#linuxcnc | Logs for 2015-07-10

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[00:00:05] <_methods> high pressure water is bad for you
[00:00:06] <malcom2073> The old shapeokos looked sturdier
[00:00:15] <CaptHindsight> ok for a hot melt materials deposition printer
[00:00:28] * SpeedEvil imagines a 3d printer+water-jet cutter
[00:00:35] <SpeedEvil> What could possibly go wrong?
[00:00:43] <blockh34d> what about plasma cutter?
[00:00:46] <_methods> esab built a plasma waterjet
[00:00:52] <_methods> what a POS
[00:00:57] <blockh34d> lol
[00:00:59] <malcom2073> Man what happened to the old makerslide machines
[00:01:02] <malcom2073> what were they called?
[00:01:03] <_methods> they rack would wear out in like a year
[00:01:06] <CaptHindsight> _methods: "maybe cncrouter parts machines" is that a brand?
[00:01:12] <_methods> all the waterjet abrasives
[00:01:16] <_methods> yeah
[00:01:20] <_methods> cncrouterparts.com i think
[00:01:40] <_methods> they have like 2'x4' tables
[00:01:41] <malcom2073> There was a $600 machine somewhere
[00:01:48] <blockh34d> what about just some cheap-o plasma cutter on a corexy basically
[00:01:56] <blockh34d> they could be dirty cuts
[00:01:57] <_methods> out of all the kit builds they seem to be alright
[00:02:00] <blockh34d> i can deal with that
[00:02:07] <blockh34d> for now anyways
[00:02:13] <CaptHindsight> I'm looking for an off the shelf 3-axis stage for non-contact deposition with 10um repeatability
[00:02:26] <_methods> ah
[00:02:26] <Jymmm> I have a gorilla rack http://www.acehardware.com/product/index.jsp?productId=2658820 It can be configured for 72" tall or 4x4x3 or 2x8x3, the shelves are 1/2" partical board. and heavier than fuck. Any suggested to a light shelf replacement instead of the particalr board?
[00:02:42] <CaptHindsight> and not by Parker, Newport, Aerotek etc
[00:02:42] <_methods> CaptHindsight: you're probably going to have to design yhour own fo rthat
[00:02:46] <_methods> what size foot print
[00:02:53] <blockh34d> Jymmm: starboard, like nautical carpentry board, its hdpe and crazy strong
[00:02:58] <CaptHindsight> _methods: yeah, just looking again
[00:03:08] <Jymmm> blockh34d: never heard of it?
[00:03:14] <_methods> working envelope?
[00:03:17] <CaptHindsight> _methods: 10 x 12"
[00:03:24] <_methods> oh little guy
[00:03:25] <CaptHindsight> x 3-4" Z
[00:03:25] <blockh34d> Jymmm: HDPE is high density poly ethelene, milk jugs basically
[00:03:28] <CaptHindsight> yeah
[00:03:31] <blockh34d> crazy strong
[00:03:46] <Jymmm> blockh34d: I mean starbaord. I know polymers =)
[00:03:47] <blockh34d> Jymmm: also i tried some PVC board recently for some home repairs it was pretty nice but had a bit of flex
[00:04:15] <blockh34d> Jymmm: oh cool, yah maybe theres a better brand name to shop for locally... i would aim for nautical carpentry type work from what i hear thats where its used
[00:04:45] <Jymmm> blockh34d: Oh fuck that. You meanton "Marine" the price get digits added =)
[00:04:50] <blockh34d> with a 90 degree fold at the edges i bet it'd be pretty ridgid
[00:04:55] <CaptHindsight> _methods: I rebuilt some of these last year http://www.automationtechnologiesinc.com/products-page/cnc-router/kl3040-cnc
[00:05:15] <Jymmm> blockh34d: but thank you anyway
[00:05:21] <blockh34d> Jymmm: true... i hope to make my own hotform/hotroller way to make sheet hdpe soon from scavenged supplies
[00:05:23] <CaptHindsight> _methods: since the supplier is local, but by the time you're done you might as well have started from scratch
[00:05:25] <_methods> yeah i remember
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[00:05:34] <blockh34d> Jymmm: no problem it happens tobe on my mind anyways
[00:05:45] <_methods> yeah for your accuracy you're probably better off just designing your own
[00:05:45] <CaptHindsight> _methods: everything is just half-assed
[00:05:53] <_methods> off a ballscrew stage
[00:05:59] <blockh34d> my goal here with cnc is actually to make sheets of this hdpe from milk jugs mostly, of even thickness, and then cut it with a cnc into useful stuff
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[00:06:10] <Jymmm> blockh34d: I'll add cross members and 1/8" fiberboard the dark brown stuff I can't recall the name
[00:06:11] <_methods> should be pretty easy to find a 10x12 stage for that
[00:06:20] <blockh34d> Jymmm: MDF
[00:06:22] <Jymmm> no
[00:06:22] <blockh34d> ?
[00:06:29] <Jymmm> DARK brown
[00:06:35] <Jymmm> used for bench tops
[00:06:41] <blockh34d> oh ok
[00:06:41] <Jymmm> MUST be pre drilled
[00:06:47] <Jymmm> super dense
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[00:06:55] <blockh34d> i should check that out
[00:07:24] <blockh34d> maybe you could get cheaper / thicker sheet hdpe buying it as cutting boards for industrial kitchens
[00:07:25] <SpeedEvil> Jymmm: Impregnated with ...
[00:07:31] <blockh34d> that comes in long stock
[00:07:32] <CaptHindsight> _methods: yeah, just looking for something that might have popped up on the market recently
[00:07:34] <SpeedEvil> Jymmm: I know this
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[00:07:51] <Jymmm> SpeedEvil: yeah, the name always slips me mind
[00:08:06] <SpeedEvil> Jymmm: It's used for horseboxes and stuff
[00:08:23] <SpeedEvil> As it is actually waterproof
[00:08:35] <Jymmm> or almost is
[00:08:43] <_methods> the only thing i can think of is maybe repurposing something a legitimate company like roland makes or something
[00:09:03] <_methods> probably would be overly expensive thouhg
[00:09:33] <CaptHindsight> _methods: yeah, too pricey for what you get to start with
[00:09:37] <blockh34d> impregnated paper backer?
[00:10:03] <Jymmm> not masonite
[00:10:08] <CaptHindsight> _methods: for inkjet you don't even need a ballscrew
[00:10:33] <Jymmm> Yeha masonite
[00:10:38] <CaptHindsight> _methods: whipping around a 12oz printhead is pretty easy
[00:10:38] <_methods> ah i thought you wanted ballscrews on it
[00:10:38] <Jymmm> SpeedEvil: masonite
[00:10:52] <SpeedEvil> That's the US name I think
[00:11:16] <Jymmm> Super dense http://totalimage.com/wp-content/uploads/2014/03/masonite.jpg
[00:11:23] <_methods> yeah i'd whip up some linear way belt drive table then
[00:11:44] <blockh34d> what is a good cnc design for me to make? seems like enough vslot rail and 90's would just about do it
[00:12:03] <blockh34d> i guess its all about precision and speed, figure i'm shooting kinda low there
[00:12:07] <blockh34d> keep it cheap and easy etc
[00:12:25] <blockh34d> i would rather some sort of metal frame though
[00:12:37] <alex4nder> blockh34d: you in the US?
[00:12:40] <blockh34d> yes
[00:12:42] <CaptHindsight> _methods: the oriental motor 0.36° and 0.72° steppers are lower in price now
[00:12:42] <blockh34d> ohio
[00:12:50] <alex4nder> blockh34d: buy a taig, or something used
[00:13:06] <malcom2073> Go to auctions
[00:13:10] <alex4nder> yah
[00:13:12] <malcom2073> I got a full size knee mill for $350
[00:13:20] <blockh34d> well i think it would be better for me to build this
[00:13:24] <Jymmm> http://www.lowes.com/pd_15483-46498-SS1254825_0__?productId=3014304
[00:13:26] <malcom2073> My dad got his for... well... he actually got paid to take his by the time he sold the other stuff heh
[00:13:29] <blockh34d> i have further goals and they will require that i be able to build this device
[00:13:36] <blockh34d> ...before i can put legs on it and AI
[00:13:48] <blockh34d> hexapod mounted
[00:13:50] <Jymmm> comes in 1/8" sheets
[00:14:06] <Jymmm> GREAT for worlbench tops
[00:14:16] <Jymmm> workbench*
[00:14:19] <blockh34d> i figure most of a hexapod frame / basic mechanicals could be cut out of sheet HDPE
[00:14:27] <blockh34d> and it would probably be pretty nice for a non-combat robot
[00:15:01] <Jymmm> blockh34d: HDPE needs spacial struture to have an strength to it
[00:15:03] <blockh34d> useless in hostility, it would melt under fire, but soft edged and nontoxic for being around people
[00:15:17] <blockh34d> Jymmm: yes i've been working with it here some in a more macgyverish way
[00:15:32] <blockh34d> i melt it into sheets, cut it inot shapes and bend it at the edges i need rigid
[00:15:39] <blockh34d> i made a nice tripod like this
[00:15:52] <blockh34d> it folds up nice and is pretty functional
[00:16:00] <Jymmm> k
[00:16:12] <blockh34d> i think i could make some nice easels liek this too
[00:16:37] <blockh34d> i ahve a design for a compact artists easel i think its pretty nice, would be really sharp precision cut
[00:16:37] <Jymmm> If you have the setup to thermoform it, then it's great to sork with
[00:16:49] <blockh34d> thats actually why i wanted to cut metal
[00:16:56] <blockh34d> i figured thats how i would make forms to melt it into
[00:17:05] <blockh34d> i would like to make HDPE glasses
[00:17:09] <blockh34d> cheaply and give them away
[00:17:12] <Jymmm> frames?
[00:17:15] <blockh34d> yes just the frames
[00:17:21] <_methods> shot glasses
[00:17:24] <blockh34d> shouldnt be too hard
[00:17:26] <Jymmm> use wood molds
[00:17:32] <blockh34d> oh really?
[00:17:38] <blockh34d> wow i would not have guessed that'd be viable
[00:17:39] <Jymmm> MDF molds even
[00:17:46] <blockh34d> interesting
[00:17:57] <blockh34d> how reusable are they?
[00:18:04] <Jymmm> wood is a thermal insulator, take lots of heat
[00:18:12] <blockh34d> i'd like something i could basically put into production use
[00:18:20] <Jymmm> not sure how easy the release would be though =)
[00:18:27] <blockh34d> yeah seems like it could be an issue
[00:18:36] <blockh34d> nylon prints onto mdf with a strong bond
[00:18:47] <blockh34d> makes me think hdpe might not want to let go very easily in similar ocnditions
[00:18:56] <blockh34d> but whatever, make a fancy mold
[00:19:03] <Jymmm> but nylon isn't PE which sbonds to nothing =)
[00:19:05] <blockh34d> something that breaks apart into little parts or something i dunno
[00:19:10] <blockh34d> oh cool
[00:19:26] <blockh34d> i made my current glasses out of printed nylon
[00:19:38] <blockh34d> the frames that is, my old ones broke and i got tired of shitty delicate frames
[00:19:39] <Jymmm> ut for what you're talking about, I'd look at mold injection
[00:19:51] <blockh34d> interesting
[00:20:03] <blockh34d> well it'd be a whole new world of technology to get into
[00:20:06] <Jymmm> they would cost you $0.005/ea after the $10K mold was made =)
[00:20:21] <blockh34d> could i mill my own mold with the right cnc?
[00:20:34] <blockh34d> is that the right terms?
[00:20:35] <Jymmm> and make your own injection machine too
[00:20:41] <blockh34d> i would mill a mold and route outlines?
[00:20:49] <Tom_itx> yeah a dude in seattle made one
[00:20:50] <blockh34d> oh sweet
[00:21:03] <blockh34d> yah i've seen some filament maker designs
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[00:21:11] <Jymmm> as I understand mold injection, there's more to it than like (for exmplae) a cnadle wax mold
[00:21:20] <blockh34d> seems similar to what a high pressure injector might be like, i dunno
[00:21:34] <Jymmm> BUT... Maybe you can get a candy mold maker to do it for you.
[00:21:37] <Tom_itx> http://www.users.qwest.net/~kmaxon/page/side/mold_mach_137.htm
[00:21:44] <_methods> make mold, inject plastic, remove part, make $$$$$$
[00:21:46] <_methods> it's simple
[00:22:00] <blockh34d> the filament makers use a long drill bet inside near walled space thatgrabs the stock and pushes it towards the heat source/tube
[00:22:02] <Jymmm> so simple china does it all the time
[00:22:15] <blockh34d> my goals are less commercial
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[00:22:20] <blockh34d> but similar in scale
[00:22:22] <_methods> it's like an atm machine in your garage
[00:22:24] <Tom_itx> what has china done on it's own?
[00:22:29] <Tom_itx> other than copy
[00:22:32] <blockh34d> i'd like to make kickstarter style funded free glasses
[00:22:39] <blockh34d> give em away to poor kids and anyone that wants em
[00:22:41] <_methods> oh man i love kickstarter
[00:22:54] <blockh34d> yah what a neat concept
[00:23:10] <blockh34d> my goals never seem to get kickstarted, i'm not social enough i think
[00:23:14] <blockh34d> but some day, who knows
[00:23:16] <malcom2073> Tom_itx: Apparently, they do a whole lot, but they don't export it
[00:23:40] <zeeshan-laptop> what type of injection molding do you wana do
[00:23:49] <zeeshan-laptop> i used to make dies for preforms for blow modling
[00:23:50] <zeeshan-laptop> molding
[00:24:06] <blockh34d> so what about a router where the cutting bit is actually on legs and it walks around on the stock, kinda crablike
[00:24:08] <zeeshan-laptop> its crazy how intense the finishes were
[00:24:11] <blockh34d> is that at all 'a thing'?
[00:24:18] <Tom_itx> malcom2073, well they did build a wall
[00:24:24] <blockh34d> i feel like that is a little bit doable
[00:24:25] <malcom2073> Damn mongolians
[00:24:27] <zeeshan-laptop> the die surfaces where the preforms came out of were vapor honed!
[00:24:36] <blockh34d> malcom2073: just build a really big wall
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[00:27:06] <blockh34d> my cat is such a thug
[00:27:20] <blockh34d> i always find him sleeping on top of the largest pile of sharp objects he can find
[00:28:20] <blockh34d> tonight it was a pile of steak knives
[00:28:20] <CaptHindsight> _methods: what did you find today?
[00:28:37] <_methods> ?
[00:28:46] <CaptHindsight> poopstarter
[00:28:49] <_methods> oh lol
[00:28:53] <_methods> they hydro hammock
[00:28:57] <_methods> or was that yesterday
[00:28:58] <CaptHindsight> lol
[00:29:10] <CaptHindsight> and i haven't even seen it yet
[00:29:14] <_methods> omg
[00:29:15] <blockh34d> banana hammock pro?
[00:29:21] <_methods> how have you missed the hydro hammock
[00:29:38] <blockh34d> i like hammocks
[00:29:42] <blockh34d> they're super comfortable
[00:29:59] <blockh34d> in brazil apparently they're very popular, more so than normal beds
[00:30:33] <_methods> https://www.kickstarter.com/projects/hydrohammock/the-hydro-hammock
[00:31:00] <_methods> patents pending lol
[00:31:05] <CaptHindsight> it looks dumb enough to work!
[00:31:37] <CaptHindsight> combine that with a barbeque or hot cheese dispenser
[00:31:47] <_methods> hahah
[00:31:51] <blockh34d> needs bluetooth
[00:31:59] <_methods> i'm sure it has an app
[00:32:14] <_methods> like that smart water bottle
[00:32:26] <blockh34d> theres a water bottle that makes me smart
[00:32:37] <blockh34d> thats freaking amazing i am ready to buy
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[00:32:54] <CaptHindsight> i still have to launch the t-shirt with app that tells you when it's dirty
[00:33:10] <CaptHindsight> and the beer mug that tweets you when it's empty
[00:33:50] <mutley> id rather my beer mug tweeted the bartender :)
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[00:33:51] <malcom2073> +2
[00:33:53] <CaptHindsight> for the persons that need to constantly be told what to do
[00:34:02] <malcom2073> Bet you'd sell them like hotcakes
[00:34:44] <blockh34d> ElizaMug - 'How does that make you feel?'
[00:34:59] <blockh34d> automate the bartenders job
[00:35:01] <blockh34d> technology
[00:35:02] <CaptHindsight> yeah, many bars can't seem to find people that can be on the lookout for empty glasses
[00:35:21] <blockh34d> quadros
[00:35:24] <CaptHindsight> there are several patents on beer dispensing
[00:35:29] <blockh34d> quadros indoors with drunk people
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[00:35:33] <CaptHindsight> metered taps
[00:35:55] <CaptHindsight> drink delivering drones
[00:36:14] <malcom2073> Buddy of mine had a party bot for a while
[00:36:26] <malcom2073> Basically a wheeled robot that went around serving beer
[00:36:42] <blockh34d> i would fork that
[00:36:44] <blockh34d> coffeebot
[00:36:52] <CaptHindsight> https://www.youtube.com/watch?v=P1kxwA1SzCw Hydro Hammock
[00:37:59] <CaptHindsight> has USB ports!
[00:38:10] -!- kb8wmc [kb8wmc!~kb8wmc@64.25.194.29] has joined #linuxcnc
[00:38:39] <blockh34d> maybe a usb bob? hydro hammock powered cnc?
[00:39:20] <CaptHindsight> I was waiting for the laughter and jump back to SNL
[00:40:04] <kb8wmc> has anyone experienced problems getting into LinuxCNC website???
[00:40:09] <blockh34d> yes the commercials are the funniest part of SNL these days
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[00:40:44] <CaptHindsight> kb8wmc: yeah it's down, but they are aware
[00:40:46] <malcom2073> Bwahahah hydro hammock
[00:40:48] <malcom2073> that's great
[00:41:18] <_methods> hop in the hydro hammock with a pack of hot dogs
[00:41:35] <kb8wmc> CaptHindsight: tnx, for info...I appreciate it
[00:41:38] <blockh34d> they should show off how portable it is
[00:41:44] <malcom2073> Who the hell takes a 50lb heater, and 300lbs of water with them hiking?
[00:41:45] <_methods> sousvide hammock
[00:41:51] <blockh34d> then show a long line of people carrying 5gal water jugs
[00:41:55] <malcom2073> How the hell did those people get that much fresh water at the beach?
[00:42:02] <blockh34d> pack of sherpas not included
[00:42:05] <kb8wmc> Capt....I thought it might be me...lol
[00:42:15] <CaptHindsight> and with the new hydro-lid steamer the buns are warm when the dogs are done
[00:43:07] <blockh34d> i bet we are at most 2 spring breaks away from video footage of some idiot diving into one of these froma second story window etc
[00:43:15] <blockh34d> 2 at the absolute most, it might already exist
[00:43:40] <blockh34d> i think i'd be pretty tempted
[00:44:11] <blockh34d> someone should cannonball it and get flung back out like a catapult, that'd be hilarious
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[00:44:58] <blockh34d> so if i dont want to buy a cnc what is there for entry level projects?
[00:45:07] <blockh34d> maybe theres kits i could get that are kind basic?
[00:45:24] <blockh34d> i mean i would rather build it
[00:46:03] <blockh34d> even though that will probably not produce as good of results for the same money as buying something, i get that
[00:46:41] <blockh34d> i will ask diycnc this is their thing i think
[00:48:36] <CaptHindsight> what's an entry level project?
[00:48:53] <blockh34d> cutting 1/4" HDPE into intricate outlines
[00:49:08] <blockh34d> up to say... 400mmx400mm... or bigger would be nice
[00:49:27] <blockh34d> hdpe/wood/acrylic etc
[00:49:32] <blockh34d> but honestly, probably a lotta hdpe
[00:50:56] <blockh34d> maybe half inch thick if its these softer materials?
[00:51:00] <blockh34d> its not essential but it'd be nice
[00:51:41] <zeeshan-laptop> die shape memory poylmer die
[00:51:48] <zeeshan-laptop> dieeee
[00:52:55] <blockh34d> whats that about?
[00:53:04] <zeeshan-laptop> sorry
[00:53:12] <zeeshan-laptop> blowing shit up
[00:53:28] <blockh34d> no its ok irc is where you go to gripe about shape memory polymers i'm pretty certian of that
[00:53:37] <blockh34d> i dont know what they are tho
[00:53:40] <blockh34d> sounds neat
[00:53:42] <zeeshan-laptop> these guys know about em
[00:53:45] <zeeshan-laptop> been working on em for a while
[00:53:53] <blockh34d> yup well good luck then
[00:53:57] <blockh34d> show it whos boss
[00:53:58] <zeeshan-laptop> giving me moral support
[00:53:59] <zeeshan-laptop> :D
[00:54:04] <blockh34d> sure
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[00:54:21] <blockh34d> dont take no bs from a shaped memory polymer
[00:54:36] <blockh34d> jsut put it in a headlock
[00:54:52] <blockh34d> ok well cyall
[00:54:55] -!- blockh34d [blockh34d!~pi@unaffiliated/blockh34d] has parted #linuxcnc
[00:56:51] <CaptHindsight> zeeshan-laptop: how many did you blow up real good today?
[00:57:36] <zeeshan-laptop> 3 so far
[00:57:51] <CaptHindsight> https://www.youtube.com/watch?v=uHkvD7-u7y8 Farm Film Report2 from your backyard :)
[00:58:36] <zeeshan-laptop> john candy was awesome
[00:58:37] <zeeshan-laptop> ;/
[00:58:52] <CaptHindsight> zeeshan-laptop: how is the whole system working out?
[00:58:58] <zeeshan-laptop> so far its okay
[00:59:02] <zeeshan-laptop> im trying to do 2 things today
[00:59:09] <zeeshan-laptop> classify linear vs non linear viscoelastic
[00:59:15] <zeeshan-laptop> and then biaxial tensile test (blow stuff up)
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[01:03:24] <CaptHindsight> zeeshan-laptop: https://www.youtube.com/watch?v=_nuFfd9kgbE SCTV Mr. Science with Johnny LaRue
[01:06:41] <CaptHindsight> I hope Pete hasn't had any anodizing mishaps
[01:07:37] <CaptHindsight> PetefromTn_: any success yet?
[01:08:50] <PetefromTn_> No not really I got all the stuff I needed picked up in town today and now I am back at home working on some other machining stuff with a friend
[01:09:00] <PetefromTn_> hopefully tomorrow I can get it setup and test
[01:09:06] <PetefromTn_> today was kind of a crazy day
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[03:08:27] <skunksleep> Latest Android update seems a bit more stable
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[03:58:25] <furrywolf> http://humboldt.craigslist.org/tag/5109654199.html ... Wooden cheese set.
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[04:04:54] <os1r1s> pcw_home: You hanging out?
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[04:10:27] <zeeshan-laptop> son of a bitch....
[04:10:36] <zeeshan-laptop> for some reeason i cant inject more than 15psi
[04:10:44] <zeeshan-laptop> even though line pressure is 30
[04:12:13] <furrywolf> ok. what happens when you try?
[04:12:32] <zeeshan-laptop> the solenoid stays open
[04:12:34] <zeeshan-laptop> and the pressure drops
[04:12:39] <zeeshan-laptop> inlet solenoid that is
[04:13:13] <zeeshan-laptop> Hm.
[04:13:31] <furrywolf> so... your line pressure isn't 30, or your sensor doesn't read over 15?
[04:13:56] <zeeshan-laptop> no sensor reasons till 50
[04:14:00] <zeeshan-laptop> i already tested that
[04:14:08] <zeeshan-laptop> and i have an analog gage on the line side
[04:14:10] <zeeshan-laptop> shows 30psi
[04:14:23] <zeeshan-laptop> i think i have a big leak in the system
[04:14:41] <zeeshan-laptop> that damn leak is catching up to me
[04:14:47] <furrywolf> that would be noticed by your analog gauge dropping from 30 to 15...
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[04:17:29] <zeeshan-laptop> hm
[04:17:43] <zeeshan-laptop> maybe its the needle valve..
[04:18:03] <furrywolf> you have direct acting valves, right?
[04:19:11] <petefromtn> Evening folks
[04:19:38] <zeeshan-laptop> furrywolf: yes
[04:20:03] <Simonious> a friend just ordered a Roland MDX-40A and now he's wondering if it was his best choice, I've got no experience with such a machine - any thoughts here?
[04:20:03] <furrywolf> so if you have 30 psi on one side, you also have 30 psi on the other. :)
[04:20:08] <furrywolf> does your analog gauge drop to 15?
[04:20:12] <zeeshan-laptop> no
[04:21:18] <furrywolf> are there any other components between the two gauges other than the valve?
[04:21:22] <zeeshan-laptop> rerimmomg tje test
[04:21:26] <zeeshan-laptop> rerunning i mean
[04:21:37] <zeeshan-laptop> no
[04:22:10] <furrywolf> then your gauge is bad, your other gauge is bad, the valve is bad, or you have a leak so bad the valve can't flow enough to fight it...
[04:22:15] <zeeshan-laptop> oh i think the sample failed..
[04:22:16] <zeeshan-laptop> hmm
[04:22:20] <furrywolf> lol
[04:22:38] <furrywolf> in other words, it performed perfectly, and "hmm" is the sound of data? :)
[04:23:00] <zeeshan-laptop> lol yea
[04:23:04] <zeeshan-laptop> that is weird
[04:23:07] <zeeshan-laptop> the sample isnt failing at the pole
[04:23:13] <zeeshan-laptop> that is why i didnt notice it
[04:23:32] <furrywolf> remember, many discoveries start with "that's funny....", not "eureka!".
[04:24:02] <petefromtn> Or oh shit
[04:24:18] <furrywolf> you probably have stress concentrating on the sharp edge of your clamp
[04:25:49] <zeeshan-laptop> http://i.imgur.com/dfFe6oV.jpg
[04:25:51] <zeeshan-laptop> there is no clamp there
[04:26:42] <furrywolf> ... what name do YOU use for the big metal piece with a hole in the middle and six bolts squishing it?
[04:27:05] <zeeshan-laptop> i meant to say stress concentration
[04:27:06] <zeeshan-laptop> not clamp
[04:28:01] <furrywolf> the material is anisotropic... you probably have some weird funky curved stress lines if you mapped it..
[04:28:24] <furrywolf> also, it looks like the material has visible ripples in the vertical direction, and the rip is vertical? is your sample of uneven thickness?
[04:32:11] <zeeshan-laptop> i know its anisotropic
[04:32:35] <zeeshan-laptop> and ive got uniaxial tensile test data that made this sample fail at 130% strain
[04:32:44] <zeeshan-laptop> in a biaxial case, i should be hitting around 260%
[04:32:49] <zeeshan-laptop> im only hitting 60%
[04:32:57] <zeeshan-laptop> its something to do with the die design
[04:33:54] <furrywolf> as it tries to stretch unevenly, it pulls at it in weird angles. picture what a piece of sheet (of the type you put on the bed) would look like if poked through a hole. the folds result in reduced stress in one direction but increased in the other...
[04:35:00] <furrywolf> you have an anisotropic material with weird properties, that tries to keep its shape like a sheet, not a rubber balloon. :)
[04:35:44] <furrywolf> now what would be REALLY interesting is if this effect goes away above the melt temperature.
[04:36:56] <zeeshan-laptop> even if it is anistropic
[04:36:57] <furrywolf> although it also could have just been a defective sample. the picture really looks to me like it has visible vertical striations, such as from a poor forming process, and it might have started out being uneven thickness with thin spots, or else it had even thickness but uneven properties when stretched.
[04:37:00] <zeeshan-laptop> the fracture has to happen on the pole.
[04:37:17] <zeeshan-laptop> the fracture line usually goes along the weaker direction
[04:37:20] <zeeshan-laptop> lemme show you a pic
[04:38:23] <zeeshan-laptop> http://i.imgur.com/n8L3RFT.jpg
[04:38:36] <zeeshan-laptop> that is some 5457 aluminum ,
[04:38:43] <zeeshan-laptop> highly anisotropic cause of cold rolling
[04:38:57] <zeeshan-laptop> you can see the direction of rolling by the lines
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[04:40:07] <furrywolf> http://thumbs.dreamstime.com/z/sphere-object-covered-red-cloth-d-illustration-shaped-satin-isolated-white-background-surprise-presentation-concept-37073372.jpg the folds around the edges concentrate stress sharply... the top of the fold is loose, with no tension on it, while the inside of the fold has all the tenstion of trying to hold the center in place.
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[04:40:32] <furrywolf> just one of many theories, of course.
[04:40:58] <zeeshan-laptop> you only see the folds
[04:41:04] <zeeshan-laptop> cause it relaxed by the time i took the pic
[04:41:12] <zeeshan-laptop> those folds werent there during the test
[04:41:18] <furrywolf> looking at your picture more, the more I lean towards the sample being of uneven thickness and/or having uneven stretching properties. I don't mean one way vs the other, I mean due to uneven rolling or such.
[04:41:33] <zeeshan-laptop> it does have uneven stretching prpoerties
[04:41:38] <zeeshan-laptop> but that doesnt explain why it didnt fail at the pole
[04:41:46] <zeeshan-laptop> cause the pole has the most amount of strain on it
[04:41:52] <zeeshan-laptop> the material is uneven throughout
[04:41:55] <furrywolf> what if the material was simply thinner or weaker there?
[04:41:57] <zeeshan-laptop> (btw its not uneven)
[04:42:03] <zeeshan-laptop> its .008" uniform
[04:42:05] <furrywolf> more tests. :)
[04:42:08] <zeeshan-laptop> it stretches unevenly
[04:42:13] <zeeshan-laptop> yea im gonna do one again
[04:42:59] <furrywolf> also, compare a test at the shape-holding temperature range, the shape-restoring temperature range, and your theorized remelt temperature range.
[04:45:31] <furrywolf> it might become more isotropic above the remelt temperature
[04:47:51] <furrywolf> bbl, it's past wolfy bedtime again.
[04:52:49] <zeeshan-laptop> noo
[04:52:56] <zeeshan-laptop> i did the test again
[04:53:09] <zeeshan-laptop> http://i.imgur.com/WL6jnjB.jpg
[04:53:11] <furrywolf> and?
[04:53:14] <zeeshan-laptop> heres another one
[04:53:19] <zeeshan-laptop> i took it during the step
[04:53:23] <zeeshan-laptop> so the lines show show
[04:53:31] <zeeshan-laptop> it blew up in multiple spots
[04:53:31] <zeeshan-laptop> lol
[04:53:33] <zeeshan-laptop> completely weird
[04:54:03] <furrywolf> again all aligned with the rolling direction
[04:54:33] <zeeshan-laptop> oh well
[04:54:59] <furrywolf> I think you're assuming the material is more uniform than it actually is.
[04:55:14] <zeeshan-laptop> ive measured it
[04:55:38] <zeeshan-laptop> okay i think its time to head home
[04:55:40] <furrywolf> I think it has some form of significant grain structure, and in addition to a large-scale difference with and across the rolling direction, there's lots of local variation.
[04:56:13] <furrywolf> that is, if you dividied it into tiny pieces and popped each one separately, you'd find a very wide spread of burst pressures
[04:57:07] <zeeshan-laptop> :/
[04:57:10] <furrywolf> however, I also don't think this is really relevant to your actual research, as I don't think it'll affect the shape memory or remelt properties, just the bursting properties, and slight unevenness in the others...
[04:57:35] <furrywolf> unless your research is now about burst pressures rather than the fancy shape memory bit. :)
[04:58:11] <zeeshan-laptop> well i was doing these tests
[04:58:20] <zeeshan-laptop> to know what my limits were for thermocycling pressures
[04:58:28] <zeeshan-laptop> =/
[04:58:30] <furrywolf> random question: does it even take on a mottled/orange peel texture when restoring shape?
[04:58:36] <furrywolf> s/even/ever
[04:58:47] <zeeshan-laptop> you see those lines upon recovery yea
[04:59:08] <furrywolf> if so, that's pretty direct evidence for local variations in properties.
[04:59:19] <zeeshan-laptop> i know that!
[04:59:26] <zeeshan-laptop> it doesnt explain why it randomly fails like that
[04:59:38] <furrywolf> sure it does. some areas are weaker than others. :)
[04:59:39] <zeeshan-laptop> it should happen at the pole
[04:59:42] <zeeshan-laptop> always
[04:59:53] <furrywolf> what if there's weaker areas elsewhere?
[05:00:13] <zeeshan-laptop> i know its not that badly uniform
[05:00:15] <zeeshan-laptop> from uniaxial tests
[05:00:19] <zeeshan-laptop> they elongate to 160%
[05:00:25] <zeeshan-laptop> biaxial should elongate double
[05:00:32] <zeeshan-laptop> so the theory of non uniformity doesnt work
[05:00:58] <zeeshan-laptop> i am almost positive its something to do with my die
[05:01:08] <furrywolf> weaker areas could be popping first... or, STIFFER areas could be causing first pops, by concentrating stress on the normal areas around them. or, if you're near one of the temperature transitions, some parts could be in one temperature mode and some parts in the other...
[05:01:20] <zeeshan-laptop> weaker areas should be failing at 30% strain
[05:01:25] <zeeshan-laptop> on the uniaxial tensile test then
[05:01:28] <zeeshan-laptop> not just under biaxial
[05:02:17] <zeeshan-laptop> i gotta go! you sleep sir!
[05:02:22] <zeeshan-laptop> i need to gtfo this building
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[05:02:41] <furrywolf> the last one, slight differences in the temperature transition points at different parts of the material, could be particularly interesting.
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[07:02:03] <Jymmm> Stretchwrap... the best invention ever!!!
[07:02:41] <MrSunshine> mm she doesnt smell or anything ...
[07:02:48] <MrSunshine> ehm .. i mean .. yeah the food wraps great in it
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[07:05:13] <Deejay__> moin
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[07:18:54] <Jymmm> MrSunshine: lol
[07:19:52] <Jymmm> Took apart the gorilla rack and shrinkwrapped the steel
[07:21:02] <Jymmm> Not sure whats heavier, the steel or the partical board shelves
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[07:57:23] <eventor> linuxcnc.org is down, any infos ?
[07:59:35] <archivist> known about by some and by the person who pays the bill (a donation)
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[11:38:39] <_methods> alright finally got a 5i25/7i76
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[11:57:03] <Tom_itx> in hand or on order?
[11:57:51] <_methods> on order
[11:58:05] <_methods> there were 11 of the plugngo kits available
[11:58:40] <Tom_itx> should get my junk today
[11:58:58] <_methods> what did you order?
[11:59:00] <Tom_itx> spare board and parts to fix this one
[11:59:04] <_methods> ahh
[11:59:14] <_methods> how'd you smoke it?
[11:59:30] <Tom_itx> so i should end up with 2.5 possible systems
[11:59:39] <Tom_itx> no, actually 3 now
[11:59:46] <_methods> nice
[12:00:08] <Tom_itx> was testing and one of those cheap chinese 5v regs gave up
[12:00:16] <_methods> ahhh
[12:00:20] <Tom_itx> went to 23v
[12:00:37] <_methods> oh wow
[12:00:42] <_methods> yeah that'll do it
[12:00:56] <Tom_itx> i was nearly done with it too
[12:01:15] <_methods> ouch
[12:01:43] <skunkworks> crow bar!
[12:02:08] <_methods> air compressor and tig rig next
[12:05:03] <_methods> then plasma and plasma table
[12:05:06] <_methods> gettin there
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[12:24:08] <Tom_itx> skunkworks, yes i need to make one for it
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[12:25:32] <Tom_itx> do i want 5v or just above 5v?
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[12:28:36] <skunkworks> a bit above 5 volts. 5.5 or 6
[12:30:25] <Tom_itx> do you use a zenner or something else for it?
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[12:32:25] <Tom_itx> hefty zenner to pop a fuse if it goes above the v
[12:35:20] <archivist_herron> the sensing for a good crowbar then fires a thyristor or power transistor to short the supply and blow the fuse
[12:35:47] <skunkworks> I have used scr's
[12:36:45] <Tom_itx> http://www.circuitstoday.com/5v-power-supply-with-overvoltage-protection
[12:36:51] <Tom_itx> that one shows a 5.6v zenner
[12:37:00] <Tom_itx> back to the scr
[12:37:53] <skunkworks> so it would fire at about 6ish volts
[12:38:13] <Tom_itx> wonder if i should go a bit lower
[12:39:02] <skunkworks> I would be ok with 6 volts.. but you might want to ask others. Usually it is for a catostrofic failure.
[12:39:14] <skunkworks> the regulator is going to regulate until that point.
[12:39:30] <Tom_itx> they used a triac there, i've got a few of those around
[12:40:58] <archivist_herron> 5.2 is the max quoted in some places
[12:42:05] <Tom_itx> yeah i was gonna say alot of parts max is 5.5v
[12:43:11] <Tom_itx> in that case, once the triac fires it will stay on
[12:43:34] <_methods> theoretically
[12:43:36] <_methods> lol
[12:43:39] <Tom_itx> heh
[12:48:15] <archivist_herron> remains on until the smoke gets out the fuse or something
[12:48:48] <Tom_itx> right
[12:49:58] <archivist_herron> just size the part to handle the fuse failure time and potential current from the capacitors
[12:51:59] <Tom_itx> i've got some 6A triacs here somewhere i used on my toaster oven that should work
[12:59:47] <Tom_itx> unfortunately all i've got are 4.7v zenners
[13:00:32] <Tom_itx> maybe i could fake it with a couple diode drops in series
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[13:27:33] <_methods> omg i bet this is entertaining
[13:27:35] <_methods> http://makezine.com/2015/07/10/introduction-programmable-logic-controllers-plcs/
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[13:33:00] <archivist_herron> ! 1968....... erm relays were in computers in the 1930's rofl
[13:39:57] <_methods> gotta love MAKE-believe magazine
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[13:41:03] <archivist_herron> daydreamerzine
[13:41:09] <_methods> yeah
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[13:45:56] <archivist_herron> it is amusing how many things get re invented
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[13:49:34] <_methods> those who don't know history..............
[13:50:53] <_methods> i guess now the saying should be amended to
[13:51:08] <_methods> those who don't know how to use google are doomed to repeat history lol
[13:59:00] <archivist_herron> hehe
[13:59:26] <archivist_herron> or have a library or go and use one
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[14:03:27] <archivist_herron> just skimming the new patent pages from a 1904 and 1905 set of bound volumes of The Engineer I found ideas I had seen recently
[14:05:08] <archivist_herron> funniest was a series of posters on the underground wall to make a movie as the train came into the station
[14:05:34] <furrywolf> lol
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[14:06:50] <CaptHindsight> do you really want informed critical thinkers running around in crony capitalist society?
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[14:11:44] <_methods> plants need 'lectrolytes
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[14:13:24] <greg> CaptHindsight, just power at home single phase, so delta. 126.6/252.6V today. I'm trying to decide if that will be OK for my Emco which asks for 230±5%.
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[14:16:50] <CaptHindsight> greg: Emco lathe? CNC or manual?
[14:17:09] <greg> PCMill 125
[14:18:06] <greg> the previous PCMill 100 called for 230V+10-5%
[14:18:28] <furrywolf> that's unrealistic.
[14:18:38] <furrywolf> real world power is worse than +/-10%.
[14:19:31] <greg> US power is supposed to be ±5%
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[14:19:49] <greg> 120/240V
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[14:20:58] <CaptHindsight> any news on linuxcnc.org?
[14:21:42] <furrywolf> local power company says 106-127 is normal.
[14:21:49] <SWPLinux> working on it (for small values of working)
[14:21:53] <CaptHindsight> SWPLinux to the rescue
[14:22:25] <furrywolf> hrmm, yes, it does seem to be down, doesn't it? lol
[14:23:25] <furrywolf> NEMA specs +/-10%
[14:23:57] <CaptHindsight> I'm still waiting for the Emco manual to download
[14:24:08] <greg> I saw 5% from NEMA
[14:24:11] <CaptHindsight> some more minutes
[14:24:48] <greg> I have the manuals and all. The older machines were very picky about voltage. I'm just not sure about this one.
[14:25:14] <CaptHindsight> it is a 50Hz machine?
[14:25:35] <greg> but the older machines were made for 220 being run on our 240
[14:25:40] <greg> 50/60
[14:26:03] <furrywolf> another page from the local powerco specs 104.4-127.2 as normal..
[14:26:21] <CaptHindsight> it should be fine, but what do you mean by "picky"?
[14:26:33] <greg> like they error and wouldn't run
[14:26:42] <_methods> yeah i've had that before too
[14:26:48] <CaptHindsight> burst into flame if 11% over picky?
[14:26:50] <_methods> not with emco
[14:27:00] <furrywolf> sounds like defective equipment. :)
[14:27:06] <_methods> but yeah i've had machines that if you were over they would error out
[14:27:11] <_methods> or under
[14:27:13] <CaptHindsight> poor design
[14:27:42] <furrywolf> my generator seems to target >125ish, only sagging to 120 at full load...
[14:27:46] <_methods> well in the morning before all the local plants fired up we'd be +20% some times
[14:28:08] <_methods> once some stuff started running it'd drop down to nominal and the mill would fire up fine
[14:28:28] <furrywolf> "IEC 61000-2-2 mentions that the normal operational tolerances are ± 10% of the declared voltage. This is the basis of requirements for voltage regulation in EN 50160 for the European Community. EN 50160 requires that voltage regulation be within ± 10% for 95% of the 10 minute samples in a one week period, and that all 10 minute samples be within -15% to +10%, excluding voltage dips. "
[14:28:39] <furrywolf> I've always heard +/-10...
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[14:28:58] <furrywolf> _methods: I once got 145 at my last house for a few hours...
[14:29:04] <_methods> yeah it happens
[14:29:04] <furrywolf> (on a 120v nominal)
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[14:29:19] <CaptHindsight> run it through a #18 25' extension cord
[14:29:25] <_methods> heheh
[14:29:33] <greg> voltage will still be high at low currents
[14:29:35] <CaptHindsight> the voltage drop should keep it closer to 5%
[14:29:55] <furrywolf> if I need regulated voltage, I have a ferroresonant voltage regulator in storage...
[14:30:06] <_methods> i would just make sure at that shop as soon as i came in i fired up the lasers and their chillers
[14:30:17] <_methods> that would drop it right down lol
[14:30:43] <furrywolf> I currently have 122.0V, but as power here comes from an inverter, that doesn't mean much. :)
[14:31:00] <greg> are you off gird?
[14:31:12] <furrywolf> yes
[14:32:28] <furrywolf> FX port 1, inv 1.0A, chg 0.0A, buy 0.0A, sell 0.0A, load 1.0A, in 0.0V, out 122.0V, batt 23.2V, mode 2, ac 0, error 0x00, warning 0x00, misc 0x08.
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[14:34:11] <CaptHindsight> greg: http://www.machinetoolsalesonline.com/uploads/370/IMG_3220.jpg is this it?
[14:35:13] <greg> poking around the machine yesterday checking schematics, found a couple discrepancies??, and found a coolant tank and pump in the cabinet that was never connected or plumbed! I hadn't loooked under the front covers.
[14:35:15] <greg> yes
[14:35:38] <_methods> nice little machine
[14:35:40] <CaptHindsight> http://www.practicalmachinist.com/vb/attachments/f11/142220d1435001534-emco-pc-mill-125-power-rpc-w-w-o-transformer-power_schematic.jpg
[14:35:56] <greg> yeah that's me
[14:36:07] * furrywolf wants a nice machine
[14:36:44] <greg> I waited a long time to find one locally
[14:37:11] <CaptHindsight> heh, looks like your posting
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[14:38:58] <greg> the Euro 400V is Wye with N. so when setup that way 230 1P gets distributed to the various components in the machine. It looks like it will be a significant amount of rewiring to make it take single phase input.
[14:39:00] <CaptHindsight> 230V to 90V and 18V transformer, the primary has a taps for 5% + _
[14:39:17] <greg> Emco was very helpful with manuals and schematics
[14:39:22] <greg> right
[14:40:32] <greg> all the drives are emco proprietary or it would be easy to figure out if it will run on 250+V
[14:41:21] <furrywolf> boost/buck transformers (of the mains variety, not the identically-named dc-dc topologies) are pretty cheap.
[14:41:29] <CaptHindsight> are you going to rewire for single phase anyway?
[14:42:01] <MrFluffy> isnt a buck boost ac transformer just named "transformer"?
[14:42:13] <skunkworks> https://www.youtube.com/watch?v=iNn9Jv5_h64
[14:42:34] <SpeedEvil> MrFluffy: a buck/boost can be specifically configured to precise ratios
[14:42:39] <skunkworks> and a realtime error on the screen..
[14:42:49] <CaptHindsight> shocking
[14:43:17] <furrywolf> MrFluffy: no, they're special transformers designed for raising/lowering the voltage some small amount, such as 5% or 10%. either autotransformers or isolated transformers intended to be wired as autotransformers...
[14:43:37] <skunkworks> that's moving suprisingly fast
[14:43:40] <greg> I'm going to trace a wire that doesn't match the schematic and decide. I'd have to make sure all the L1,L2,L3,N conncetions are moved to L1,L2.
[14:45:41] <MrFluffy> Oh ok, I always figured that was what the windings ratios on isolated transformers were about. Ive only ever heard of buck/boost in the dc world.
[14:46:29] <furrywolf> "my voltage isn't quite right" is a common complaint, and a product exists for that. :)
[14:47:05] <greg> Right the buck boost would be the solution if it won't run.
[14:47:58] <_methods> hmm never seen an edm running that wasn't submerged
[14:48:28] <MrFluffy> I have a edm that runs dry tank...
[14:48:29] <CaptHindsight> the wire or the whole machine?
[14:48:42] <MrFluffy> the wire still flushes, just the drain on the tank is open
[14:49:09] <_methods> every edm i've ever dealt with had submerged table
[14:49:18] <_methods> i thought it had to be submerged lol
[14:49:23] <_methods> shows you how much i know about edm
[14:49:26] <MrFluffy> it means you can do stupid things like leave half the tank off to get weird shaped objects inside, water ejecting in strange places aside
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[14:49:51] <MrFluffy> its slower though because the flushing can be poorer
[14:51:46] <MrFluffy> mine is a sodick bf275, theres a vid of it cutting something on youtube...
[14:56:16] <CaptHindsight> http://www.edm-products.com/Dielectrics/ifase/ifase_4.htm At first they used ordinary air as a dielectric. Very soon it became clear, however, that liquid mineral oil derivatives had considerable advantages.
[14:57:34] <MrFluffy> thats sinker isnt it?
[14:58:01] <MrFluffy> wire is water dielectric normally, maybe the oldest wires are oil but the ones Ive seen have all been die sinkers with oil dielectric
[14:59:32] <MrFluffy> mine :- https://www.youtube.com/watch?v=Z1KA9JqOtAo
[15:01:44] <CaptHindsight> there are all sorts of dielectric fluids for EDM, they all have their claims on which is better and for what application
[15:02:46] <MrFluffy> water has the great advantage that you never have to worry about it being on fire :)
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[15:05:50] <MrFluffy> you can get subtanks which fit around the part to run submerged even on a dry tank machine
[15:06:16] <MrFluffy> C frames for the wire heads to get into awkward places, all sorts of adaptions
[15:07:23] <furrywolf> so far I haven't needed an EDM machine... which is good, because they seem even more expensive than all the other machines I can't afford.
[15:07:41] <MrFluffy> mine had been on fire, so was its weight in scrap
[15:07:53] <MrFluffy> sodick had written it off as unrepairable...
[15:08:09] <MrFluffy> soditech in the uk anyway
[15:09:03] <MrFluffy> CaptHindsight, it says oil for carbides on a wire, just reading it, I dont cut much in the way of carbide on it though
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[15:12:46] <membiblio> hey guys - what is up with linuxcnc.org today specifically this url? http://linuxcnc.org/index.php/english/forum/49-basic-configuration/27724-homing-a-dual-motor-for-one-axis-gantry-machine
[15:12:47] <CaptHindsight> http://machinedesign.com does this always load really slow for just me?
[15:13:06] <cradek> membiblio: the whole website is down and we're working on it as fast as we can
[15:13:07] <CaptHindsight> membiblio: website under repair
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[15:14:00] <membiblio> ok no problem :) 'stuff' happens
[15:14:14] <cradek> yes unfortunately
[15:15:07] <membiblio> Is this associated with the not-hack of United, Wall St. Journal, etc?
[15:15:08] <furrywolf> membiblio: google's cache and/or the wayback machine might have a copy, if you need to read that page
[15:15:23] <membiblio> Hey Furry - that is a great idea - thank you.
[15:15:41] <furrywolf> http://webcache.googleusercontent.com/search?q=cache:4tng52b2BwoJ:linuxcnc.org/index.php/english/forum/49-basic-configuration/27724-homing-a-dual-motor-for-one-axis-gantry-machine+&cd=1&hl=en&ct=clnk&gl=us
[15:17:49] <membiblio> This is why *some* people say 9 heads are better than 2
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[15:24:52] <PetefromTn_> Damn I think I overlooked something here...
[15:25:28] <archivist> it's Friday?
[15:25:32] <PetefromTn_> I bought this aluminum degreaser for my parts and it has a mixture ratio of course but what I did not notice is that apparently it also has to be heater
[15:25:35] <PetefromTn_> heated
[15:25:57] <PetefromTn_> I am trying to get this all setup so I can attempt an anodizing of a test part
[15:26:09] <PetefromTn_> says it needs 130 degrees
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[15:26:40] <PetefromTn_> I only bought one hot plate for the setup
[15:26:41] <archivist> you can use the current you pass through the items as part of the heating
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[15:27:04] <PetefromTn_> there will be no current passing thru this bath as it is the first bath just to clean the parts
[15:28:01] <archivist> at the plant I worked at it had a heating system (steam iirc)
[15:28:06] <PetefromTn_> I was also going to setup the anodizing bath with a 50/50 ratio of acid to water planning on four gallons of each but I am finding that thre gallons of each is probably going to be plenty so that is good
[15:29:05] <PetefromTn_> worst part is I spent a bunch of money on all of this and I am kinda tapped out now so going and buying more stuff is not really an option at this point.
[15:29:07] <furrywolf> fisktank heaters
[15:29:57] <CaptHindsight> warmer is better but it will still have some activity at room temp
[15:30:11] <archivist> without heating stuff takes longer and less evaporation
[15:30:28] <PetefromTn_> I am sure.. actually the fish tank heaters do not appear to be all that pricey they even have some at Wal mart
[15:31:00] <PetefromTn_> no idea whether they can withstand the chemical in the sealer and degreaser baths
[15:31:11] <ssi> they're cheap enough that it's worth a shot :)
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[15:31:59] <archivist> kep the plastic and wire out the bath just leave the glass immersed
[15:32:52] <CaptHindsight> don't use the included suction cup for mounting
[15:32:56] <PetefromTn_> sure it says they MAINTAIN the temperature I wonder if they have some sort of rheostat or whatever on them. that would be nice. have never even seen one before
[15:33:28] <ssi> they have a thermostat in them, yes
[15:33:33] <archivist> fish tank include a thermostat probably run too cool
[15:33:45] <CaptHindsight> oops, you don't want a heater set at 78F from the factory
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[15:34:02] <PetefromTn_> the degreaser bath needs to see 130 degrees F the sealer needs to be 200-210 degrees F
[15:34:28] <CaptHindsight> I could find a heating blanket that didn't have an auto shutoff after 10 hours
[15:34:30] <PetefromTn_> are they all set to max at 78F
[15:34:49] <CaptHindsight> could not
[15:34:53] <archivist> ever seen fish at 130?
[15:35:06] <MrFluffy> In the chippy :)
[15:35:07] <CaptHindsight> slightly blanched
[15:35:19] <_methods> poached salmon?
[15:35:22] * furrywolf suspects a jumper wire can fix the thermostat nicely
[15:35:38] <ssi> http://www.amazon.com/Aquatop-Aquarium-Submersible-Heater-300-Watt/dp/B006QI8304/ref=sr_1_2?ie=UTF8&qid=1436542491&sr=8-2&keywords=fish+tank+heater
[15:35:39] <os1r1s> PetefromTn_: I use things that look like fishtank heaters to heat all of the tanks
[15:35:42] <ssi> that one goes to 93F
[15:35:42] <PetefromTn_> yeah not too good for the goldfish heh
[15:35:42] <furrywolf> CaptHindsight: electric blankets have auto-shutoffs now?
[15:35:44] <MrFluffy> I had one that had a knob you adjusted, but irrc it only altered over a 10deg range or something
[15:36:02] <CaptHindsight> Range of temperature adjustment: 20~34°C
[15:36:04] <os1r1s> PetefromTn_: Also, it really helps to have aeration in them
[15:36:14] <furrywolf> again, just disable the thermostat... or plier-mangle it to a different temperature range.
[15:36:15] <_methods> couldn't you just heat the water before you put it in?
[15:36:35] <CaptHindsight> do they have a metric aluminum cleaner?
[15:37:09] <PetefromTn_> apparently the degreaser bath is only supposed to be 3-10 minutes of submersion
[15:37:12] <ssi> yea the metric stuff only needs to be 40C
[15:37:13] <MrFluffy> what about a homebrew fermenting heater?
[15:37:41] <PetefromTn_> so I suppose I could heat the water on the stove and add until the temp is reached.
[15:37:47] <MrFluffy> too cold.. just reading
[15:38:05] <furrywolf> get a small pump, some chemically-compatible tubing, and circulate a glycol loop between the tank with a heater and the tank that needs heat. :)
[15:38:40] <PetefromTn_> I am trying to do this WITHOUT additional costs. Already spent a bunch of money here. I am tapped out right now.
[15:38:43] <os1r1s> PetefromTn_: That can work
[15:38:46] <CaptHindsight> how far down until the earths mantle is a consistent 130F?
[15:38:50] <PetefromTn_> I can add some of these niceties later on
[15:38:51] <os1r1s> heating on a stove
[15:39:10] <PetefromTn_> what a bunch of smartasses sheesh ;)
[15:39:27] <furrywolf> PetefromTn_: get a big lump of metal (most shops have many of these), heat it on the stove, then sit in the tank. :)
[15:39:49] <zeeshan> set it on fire
[15:39:56] <PetefromTn_> I think just heating the water is fine for now
[15:40:16] <PetefromTn_> since the temp control duration is only 3-10 minutes for the part
[15:40:21] <zeeshan> 130f isn't a lot
[15:40:24] * furrywolf would do some math to see what the thermal capacity of 20lbs of steel is and how hot you'd need to heat it to raise the temperature of some number of gallons by 40 degrees, but is lazy.
[15:40:30] <zeeshan> circulate your water heater water through it
[15:40:31] <zeeshan> :D
[15:41:02] <PetefromTn_> I guess I knew better than to ask this kind of question in here.
[15:41:06] <zeeshan> furrywolf: that isn't a simple problem :")
[15:41:11] <furrywolf> zeeshan-lab: http://i.imgur.com/WL6jnjB.jpg looking at the surface, especially visible at the specular reflection, it has numerous defects, looking like small craters... it's probably just popping at these first?
[15:41:31] <zeeshan> furrywolf: those craters werent there before
[15:41:34] <zeeshan> thats localized necking happening
[15:41:39] <SpeedEvil> furrywolf: To a very handy degree - the thermal capacity of everything is about constant per cubic whatever
[15:41:42] <zeeshan> im meeting with the supervisor today
[15:41:49] <CaptHindsight> yes, thermal equilibrium, just use the mass of the water and the hunk of heated steel http://www.ux1.eiu.edu/~cfadd/1150/12Temptr/equilibrium.html
[15:41:58] <zeeshan> hes gonna give me a lecture on it
[15:41:58] <os1r1s> PetefromTn_: I use these in all of my non-acid tanks ... http://www.omega.com/Heaters/images/ARMTI2_HEATER_l.jpg
[15:41:58] <zeeshan> lol
[15:42:20] * furrywolf could give zee some lecturing too. :P
[15:42:21] <PetefromTn_> is that a water heater element?
[15:42:31] <zeeshan> PetefromTn_: those cartridge heaters are expensive
[15:42:38] <zeeshan> i found an alternative when building my apparatus
[15:42:52] <PetefromTn_> everything I need to do this is expensive except the damn water LOL
[15:42:58] <SpeedEvil> furrywolf: https://en.wikipedia.org/wiki/Heat_capacity#Table_of_specific_heat_capacities - from about 1.3-3 for solids - joules per cubic centimeter per K
[15:43:09] <furrywolf> go to a yard sale, get a random hotplate / electric grill / etc, silicone wiring well, stuff in tank? :)
[15:43:09] <zeeshan> like you can do the mathto figure out what size heater you need to maintain that temp
[15:43:20] <os1r1s> PetefromTn_: Yeah
[15:43:21] <zeeshan> but lets say you went overkill and just bought a 750watt
[15:43:22] <os1r1s> 2000w
[15:43:37] <zeeshan> http://www.mcmaster.com/#3618k386/=xzr02w
[15:43:40] <zeeshan> only 30 bux
[15:43:50] <zeeshan> trhose immersion style i couldnt find cheaper than 150
[15:43:50] <PetefromTn_> I have a hotplate and stainless pot for the sealer tank
[15:43:50] <furrywolf> he's using insulated coolers... he has quite low thermal losses as long as the lid is on...
[15:44:05] <os1r1s> furrywolf: He still has to get it to temp
[15:44:15] <os1r1s> furrywolf: And in some cases hold for 10-15
[15:44:24] <SpeedEvil> furrywolf: Iron - per unit volume - is about 80% of that of watrer
[15:44:50] <furrywolf> PetefromTn_: what's your opinion on exothermic chemical reactions occouring in your degreasing bath? :P
[15:44:56] <zeeshan> SpeedEvil: you still need to know the convective heat transfer coefficient
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[15:45:00] <zeeshan> which is the harder part :P
[15:45:17] <zeeshan> and if you ask the question "how long will it take"
[15:45:20] <zeeshan> it becomes even harder :P
[15:45:34] <furrywolf> PetefromTn_: got some MREs? dump a few FRHs into it. :)
[15:45:42] <SpeedEvil> zeeshan: Steel doesn't convect very well
[15:45:48] <PetefromTn_> furrywolf my feeling is I could give a rats ass as long as it works right
[15:46:04] <furrywolf> lol
[15:46:05] <CaptHindsight> zeeshan: just add a propeller to circulate the water
[15:46:23] <zeeshan> CaptHindsight: that makes the mathematical model even more complicated
[15:46:26] <os1r1s> PetefromTn_: I used some scrap alum with aquarium tubing to serve as a bubbler
[15:46:28] <zeeshan> now you probably need cfd to solve it :)
[15:46:36] <furrywolf> most of my MREs are probably expired... meh
[15:46:41] <os1r1s> PetefromTn_: In all of the tanks. Its cheap and was easy
[15:46:43] <os1r1s> fwiw
[15:46:59] <SpeedEvil> CaptHindsight: Coincidentally. http://www.ebay.co.uk/itm/191423803099?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
[15:47:09] <PetefromTn_> I am planning to add some PVC pipe bubblers here as soon as I can
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[15:47:24] <SpeedEvil> CaptHindsight: The second largest ~8l neatly fits inside the 11l one.
[15:47:31] <PetefromTn_> right now I need to get the degreaser bath heated sufficiently
[15:47:34] <CaptHindsight> zeeshan: but all he needs to know it the thermal equilibrium and the approximate time to reach it
[15:47:44] <SpeedEvil> Add water to the outside, stick on stove, add small pump
[15:48:08] <PetefromTn_> that is what I am using for the sealer bath since the heat is almost boiling
[15:48:13] <zeeshan> the approach im proposing gets you within +/-10%
[15:48:14] <zeeshan> :P
[15:48:17] <PetefromTn_> did not figure the cooler would survive that
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[15:50:37] <CaptHindsight> http://www.instructables.com/id/Sous-vide-cooker-for-less-than-40/
[15:51:18] <PetefromTn_> Hey a crock pot!
[15:51:34] <PetefromTn_> not a bad idea really and some are rather large
[15:51:35] <CaptHindsight> http://www.amazon.com/VacMaster-SV1-Sous-Immersion-Circulator/dp/B00HFDPM6W
[15:52:29] <Pudlo> How sketchy is this? http://www.aliexpress.com/item/10pcs-1-8-High-Quality-Cnc-Bits-Single-Flute-Spiral-Router-Carbide-End-Mill-Cutter-Tools/32329709414.html
[15:52:38] <CaptHindsight> what was that water jet bath that used to be on TV late at night in the 60's/70's?
[15:53:15] <Pudlo> would I be crazy to consider it? Or am I gonna get something made of chinesium?
[15:55:09] <archivist> some stuff is cheap enough not to care too much. if they work its a win
[15:55:45] <MrFluffy> I have got my sticky hands on a tea urn for such duties. but I imagine theyre few and far between in anywhere but the uk :)
[15:56:28] <archivist> http://www.ebay.co.uk/bhp/burco-boiler
[15:56:54] <MrFluffy> thats the one archivist
[15:57:03] <archivist> every tea and buns event has one in the tent
[15:57:22] <PetefromTn_> jeez I should have bought some of those instead of the damn coolers...
[15:57:26] <ssi> I want to go to a tea and buns event!
[15:57:44] <PetefromTn_> hehe
[15:58:05] <CaptHindsight> if you google that will you get what you expect?
[15:58:31] <ssi> apparently so
[15:58:46] <ssi> http://farm4.static.flickr.com/3186/3094203953_a1a4d5ce99_o.jpg
[15:59:00] <MrFluffy> you can go listen to poetry at a buns and roses event too
[16:00:02] <archivist> hot cross buns!
[16:01:07] <MrFluffy> they have a simmerstat which cycles the on off time of the element and the control adjusts the duration
[16:01:44] <PetefromTn_> those would probably have been damn near perfect for this.
[16:01:47] <MrFluffy> thats the original burco's, probably they come with a thermostat now
[16:01:56] <PetefromTn_> shame nobody ever MENTIONED IT BEFORE!!!
[16:02:02] <MrFluffy> dont you just need the heating element from one?
[16:03:04] * PetefromTn_ meanders back out to the shop mumbling about freaking heating elements
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[16:05:50] * MrFluffy wonders if they leave hot water cylinders that have developed a leak in the dump ready for raiding of the heating element and thermostat from...
[16:06:00] <MrFluffy> but then, I have deep pockets and short arms
[16:08:13] <archivist> I am using a hotplate element for my bluing "kiln"
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[16:17:44] <MrFluffy> dishwasher or washing machine element too, so many junk possibilities
[16:18:19] <MrFluffy> you'd need a seperate thermal cutout setup for them though
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[16:30:55] <CaptHindsight> we use the Sous Vide heaters for small tanks
[16:31:51] <CaptHindsight> http://www.instructables.com/id/Hack-an-aquarium-heater-to-be-always-on/
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[16:36:29] <archivist> damn this feels dirty for my elcheapo cnc probe http://www.ebay.co.uk/itm/Arduino-Pro-Mini-5v-16MHZ-CH340-CH340G-USB-to-TTL-Serial-Adapter-UK-SELLER-/251742349460
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[16:36:57] <archivist> but it is tiny
[16:37:03] <CaptHindsight> they work
[16:37:36] <archivist> that seller is a mere 10 miles from me
[16:43:50] <CaptHindsight> http://www.linuxcnc.org/ also working again \0/
[16:44:19] <archivist> thanks to SWPLinux :)
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[17:06:42] <CaptHindsight> anyone try these yet? http://www.automationtechnologiesinc.com/products-page/ac-servo-motors/the-ac-servo-driver-ac-servo-motor-400w-set
[17:07:03] <CaptHindsight> http://www.automationtechnologiesinc.com/products-page/ac-servo-motors/servo-driversimdrive-servo-motor-750w-set
[17:07:18] <CaptHindsight> http://www.cs-lab.eu/en/produkt-31,3-simDriveAC_Servo_400W_325V_Model_M4H040K.html anyone ever heard of/used them?
[17:07:31] <CaptHindsight> tjtr33 have you seen these at Keiling yet?
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[18:04:18] * jt-mobile is at Eagle River
[18:04:57] * archivist is home alone
[18:05:05] <jt-mobile> We got to see humpback whales and moose yesterday
[18:05:26] <_methods> i hope you killed them
[18:05:53] <jt-mobile> Not allowed unless you are a native
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[18:06:15] <_methods> but but it's 'murrica
[18:06:27] <_methods> it's your god given right to kill wild animals
[18:06:46] <_methods> no matter what continent you are on
[18:06:48] * archivist shoots _methods
[18:06:52] <_methods> lol
[18:06:57] <jt-mobile> lol
[18:07:01] <_methods> sorry i'm domesticated any more
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[18:12:17] <_methods> hehe
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[19:18:00] <cncjerry> cradek? home? cncjerry here, I fixed my post processor problem from yesterday. turns out i was only changing the decimal places for x,y,z and not i,j,k. that only took 20hrs.
[19:18:34] <cncjerry> new question: my post spits out a 'H' code on tool changes, anyway to get linuxcnc 2.6.8 to ignore it?
[19:19:04] <cradek> what's it look like?
[19:19:29] <cncjerry> N0004 Z.5000 H001
[19:19:44] <cradek> hm
[19:19:45] <cncjerry> I think it is selecting from a height table
[19:19:50] <cradek> what's the previous line?
[19:20:12] <cncjerry> N0003 G0 X.8125 Y1.0000 S70 M3
[19:20:31] <cradek> there's no tool change?
[19:20:35] <cncjerry> and right before that is the tool change: N0002 T01 M6
[19:20:45] <cradek> oh ok
[19:21:04] <cradek> so it wants to load the tool offset and go 0.5 above the work
[19:21:14] <cncjerry> yes
[19:21:18] <cradek> N4 needs to include a G43
[19:21:35] <cncjerry> before the h?
[19:21:39] <cradek> sure
[19:21:45] <cradek> doesn't matter but it needs to be there
[19:22:06] <cncjerry> that would correct the error? not familiar with that
[19:22:24] <cradek> yeah they mean something like G43 H1 G0 Z0.5
[19:22:36] <cncjerry> right now I just delete the h0001 manually as I am not using a table
[19:23:00] <cncjerry> I would like emc to just ignore it.
[19:23:03] <cradek> well you'll have to use tool lengths eventually...
[19:23:24] <cncjerry> yep, but haven't on this machine since it was installed in 2006
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[19:23:54] * cradek shrugs
[19:23:56] <greg> Why not remove the H from the post?
[19:24:08] <cradek> or fix it by adding G43
[19:24:25] <cncjerry> I can't find my IMS post processor application that would allow me to just take that out. another casualty of my hd failure.
[19:24:50] <greg> IMS won't help you?
[19:25:31] <cncjerry> I have it backed up somewhere. have to look for it. it is the most complicated software I own. haven't called them. they charge a bundle for support the last I looked. they'll say, load up the ims post application and take it out.
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[19:26:51] <cncjerry> i'm milling pockets in copper plate today. what a mess.
[19:27:14] <cncjerry> these are for 1Ghz cavity filters. haven't milled copper in a long time.
[19:27:45] <cncjerry> someone said to use milk as a fluid, yeh, right, putrid milk under my bedroom.
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[19:29:26] <cradek> copper is terrible
[19:29:47] <cncjerry> anyway, thanks for the yearly support, all else is well. talk to you next time I have a hd failure.
[19:30:01] <cradek> welcome. perhaps consider backups.
[19:30:20] <greg> just don't do it like I did and crash your drive doing the backup
[19:30:32] <greg> I did a reinstall last week
[19:30:51] <cncjerry> ' I don't need no stinkin backup' actually I had one. the problem was I decided to change to win7 from xp. that's where all the problems started.
[19:31:16] <cradek> never heard of those
[19:31:58] <cncjerry> then I needed the updated from 2.3 to 2.5 because the old planner was giving me scallops on high speed arcs. never figured out why. could have been some stupid resonance. it went downhill from there.
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[19:38:43] <_methods> i've heard a few people swear by kerosene for lube with copper
[19:39:14] <_methods> i did see where some guys had been told the same thing and filled their coolant tank with kerosene
[19:39:17] <ssi> cncjerry: I like to keep my linuxcnc configs in a github repository
[19:39:24] <ssi> they're code as far as I'm concerned
[19:39:26] <_methods> that didn't go so well
[19:41:11] <_methods> i've personally always just stuck with swisslube and kept my feeds and speeds on teh conservative side
[19:43:20] <cradek> I've cut it slowly (like 50 sfm) under oil and it's ok
[19:43:50] <_methods> it can be problematic that is for sure
[19:44:02] <_methods> but i've found once you get your feeds and speeds right it cuts just fine
[19:44:13] <_methods> sometimes can take some jiggery pokery
[19:44:48] <cradek> heh
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[19:51:45] <_methods> i've never tried milk though lol
[19:52:10] <_methods> wonder if buttermilk would be better
[19:52:14] <_methods> or maybe yogurt
[19:52:15] <cradek> ewwww
[19:52:18] <_methods> hahahahah
[19:52:26] <_methods> sour cream
[19:52:34] <_methods> ice cream
[19:52:36] <cradek> melted butter
[19:52:39] <_methods> one scoop for you
[19:52:42] <_methods> one scoop for me
[19:53:01] <_methods> be nice having an ice cream dispenser at your cnc station
[19:53:18] <cradek> imagining ice cream through loc-line
[19:53:23] <_methods> hahahahhah
[19:53:39] <cradek> you'd need a special hydraulic pump
[19:54:23] <_methods> probably lol
[19:54:49] <_methods> mount soft serve ice cream machine to the top of your machine
[19:58:32] <greg> I think i used lamp oil (kerosene) when I worked with some copper
[19:59:16] <greg> lamp oil doesn't stink, i use it on aluminum particularly when parting in the lathe
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[20:04:08] <CaptHindsight> milk burns at a pretty low temp, how do you keep it from burning?
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[20:05:34] <CaptHindsight> maybe a softserve nozzle since it dispenses at under 0C
[20:06:06] <CaptHindsight> and most softserve doesn't contain much milk
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[20:10:16] <SWPLinux> or even food
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[20:16:09] <furrywolf> so, new stainless steel ultrasonic cleaners from china cost about the same as used, older american ones... anyone ever used them? they any good? ones like http://www.ebay.com/itm/STAINLESS-STEEL-6L-ULTRASONIC-CLEANER-DIGITAL-ELEGANT-STURDY-PACKAGE-Top-Quality-/291285997257
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[20:29:56] <greg> I have a 2.6L for a few years now. Takes hours to warm up to 150°F, I use a ceramic heater.
[20:30:40] <furrywolf> http://www.ebay.com/itm/ULTRASONIC-CLEANER-6L-6-L-LITER-STAINLESS-STEEL-INDUSTRY-HEATED-BRACKET-W-TIMER-/181434466620
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[20:30:49] <furrywolf> is yours china or name brand?
[20:30:59] <greg> china
[20:31:12] <furrywolf> I'll only be using it for cleaning tools and car parts, not for industrial use or daily stuff.
[20:31:14] <greg> programming is dumb, when the timer runs out the heater turns off
[20:31:29] <furrywolf> my current one isn't heated
[20:31:54] <greg> works much better when hot
[20:31:59] <furrywolf> and it works great, so not worried about any heater-related things.
[20:32:14] <furrywolf> mine ends up hot after a few hours... heat from the transducer and ultrasound. heh.
[20:32:24] <greg> maybe mine sucks, I have a feeling it just doesn't work well
[20:32:46] <greg> I'm tempted to get a use US make
[20:32:53] <furrywolf> how is the actual ultrasonic performance, and how long have you used it without it breaking?
[20:33:15] <greg> I don't ahve anythign to compare to
[20:33:32] <furrywolf> heh
[20:33:46] <furrywolf> put in a piece of aluminum foil and time how long before it goes away. :)
[20:33:48] <greg> I've had it for at least 4 years
[20:33:59] <greg> gets occasional use
[20:34:17] <furrywolf> I'm always impressed how mine makes foil vanish.
[20:35:08] <greg> I don't think i've ever tried that
[20:35:32] <furrywolf> try it. it's cool. :P
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[20:59:22] <Deejay> gn8
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[21:07:21] <furrywolf> just tried some pickles I got from the local health food store... "HOT DAMN DILLS" according to the label. the habaneros floating on top were a good sign. they're not bad.
[21:10:00] <furrywolf> definitely a bit of the habanero tongue burn to them
[21:10:07] <furrywolf> not super hot, but not bad.
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[22:14:42] <PetefromTn_> LOL just posted a bunch of stuff accidentally about my anodizing progress in LinuxCNC Devel.. sorry DOH!
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[22:16:53] <skunkworks> heh.. remis remis
[22:17:45] <PetefromTn_> Oh well I will just continue here
[22:20:37] <PetefromTn_> anyway I setup that stainless steel cookpot on the hotplate with DI water and the mixture of nickel acetate
[22:20:46] <PetefromTn_> that is the sealer bath
[22:21:32] <PetefromTn_> so at this point I have the acid tank setup with the electronic connections, and mixed the acid so that is all ready.
[22:21:55] <PetefromTn_> got the degreaser tank setup with DI water and that mixture of aluminum degreaser from Casewell
[22:22:35] <PetefromTn_> fabricated some little hooks to hold the thermometers I bought in each tank
[22:23:01] <PetefromTn_> so now I just need to start heating stuff up, hookup the power supply, and have at it and hope for the best LOL
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[22:23:39] <PetefromTn_> My wife ran to the store to grab some new clean spray bottles to spray off the fluids at each station as I have seen done in videos on youtube with DI water
[22:24:15] <PetefromTn_> I also did not spill a single drop of the battery acid ;)
[22:25:14] <furrywolf> there's still time. :P
[22:25:22] <PetefromTn_> always
[22:25:38] <PetefromTn_> I have some stuff to build some bubblers here too I will be working on
[22:26:17] <PetefromTn_> there sure is a lot of little things you need to get to do this safely and correctly and I am sure I am still missing something here and there.
[22:28:41] <PetefromTn_> well I am gonna get to it here and see what happens as soon as she gets back from the store with the spray bottles.
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[22:36:45] <CaptHindsight> anodzing headdress and matching vest
[22:37:26] <PetefromTn_> CaptHindsight good to hear from you. any comments on what I have done here so far?
[22:37:53] <CaptHindsight> looks good, just keep the pets and kids away
[22:38:13] <PetefromTn_> yeah they stay inside while I am doing this largely right outside the shop door
[22:38:17] <CaptHindsight> good ventilation
[22:38:39] <PetefromTn_> the sealer bath and the degreaser can be inside I would think just the anodizing bath outside no?
[22:38:45] <CaptHindsight> don't wear sandals
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[22:39:14] <CaptHindsight> the acid vapor is not good inside
[22:39:18] <PetefromTn_> I feel like an underwater welder with my facemask and gauntlet gloves and whatnot LOL
[22:39:35] <CaptHindsight> better safe than sorry
[22:39:37] <PetefromTn_> just from the anodizing tank right
[22:40:16] <CaptHindsight> yes, in the anodizing tank
[22:40:25] <PetefromTn_> should I kind of do a burn in run with nothing in the tank first before I try a test part or is that not necessary
[22:41:08] <CaptHindsight> well make sure everything is hooked up correctly
[22:41:15] <CaptHindsight> then run a part
[22:41:28] <PetefromTn_> ground to the cathodes, positive to the part and crank it up right
[22:42:41] <PetefromTn_> Okay
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[22:44:48] <CaptHindsight> PetefromTn_: how are you moving parts from tank to tank?
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[22:51:55] <os1r1s> PetefromTn_: You need to rinse the parts between stages
[22:51:56] <PetefromTn_> well I was planning to just hand it from the ti wire
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[23:12:01] <CaptHindsight> PetefromTn_: they have to be completely dry of water before using the solvent dye
[23:12:56] <CaptHindsight> PetefromTn_: after anodize but before sealing the aluminum will absorb just about anything
[23:13:51] <CaptHindsight> fingerprints, dirt, etc
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[23:23:30] <SpeedEvil> https://en.wikipedia.org/wiki/Northern_elephant_seal - I was just reading
[23:23:35] * SpeedEvil imagines sealing.
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[23:24:33] * furrywolf sends paul watson after SpeedEvil
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[23:35:37] <SpeedEvil> Elephant seals are ideally designed by nature to work in electroplating and anodising factories.
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[23:50:26] <CaptHindsight> poor seals or pore seals?
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