#linuxcnc | Logs for 2016-06-17

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[09:15:27] <root-x> https://www.youtube.com/watch?v=0TE81tzoWzU
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[09:22:55] <root-x> nice simple
[09:22:59] <XXCoder> nice
[09:25:10] Jymm is now known as Jymmm
[09:25:44] <archivist> and undressed something like http://highlab.com/~seb/linuxcnc/scorbot-er-3/0302152207.jpg
[09:26:08] <enleth> okay, ORAC works. with a VFD borrowed from the Bridgeport, but it works nevertheless
[09:26:51] <archivist> seb was testing the kins now in linuxcnc for that wrist
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[09:27:21] <enleth> the 0-10V speed signal generator is screwed as well, but I can live without it, the whole control is going the way of dodo ASAP anyway
[09:28:13] <Deejay> dodo?
[09:28:33] <XXCoder> now exinact bird
[09:28:35] <Deejay> https://de.wikipedia.org/wiki/Dodo ?
[09:28:38] <Deejay> ah yes
[09:29:36] <archivist> I might have a pcb out of an orac
[09:32:13] <enleth> do you want the shittiest VFD in the world for your collection?
[09:32:24] <enleth> it's dead, but it's really better that way
[09:32:34] <XXCoder> safer. ;lp;
[09:32:36] <XXCoder> *lol
[09:33:15] <enleth> I still cannot fully comprehend the utter crappiness of this device
[09:34:23] <XXCoder> nobody can comprehend the infinity, so you are excused
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[10:17:31] <XXCoder> homofaciens is one crazy guy
[10:17:53] <XXCoder> https://www.youtube.com/watch?v=IgU__c4NgrM
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[10:24:30] <XXCoder> geez. mouse position sensor
[10:36:54] <XXCoder> not bad https://hackaday.com/2016/06/13/review-monoprice-mp-select-mini-3d-printer/
[10:36:54] <SpeedEvil> It is annoying that nearly all of the mice position sensors went away
[10:37:23] <XXCoder> SpeedEvil: I wonder if that printer strip can be adopted to router use
[10:37:31] <SpeedEvil> sure
[10:37:31] <XXCoder> put it under the table
[10:37:42] <SpeedEvil> I've considered using M4 rod, instead and capacitive sensing
[10:37:44] <XXCoder> true position data not commanded
[10:38:10] <XXCoder> m4 rod, research
[10:38:12] <XXCoder> *ing
[10:38:32] <XXCoder> looks like standard rod
[10:38:35] <SpeedEvil> yes
[10:38:46] <XXCoder> so you use resistance value eh
[10:38:52] <SpeedEvil> Primarily as I have some, there is likely beter solution.
[10:38:56] <SpeedEvil> no, capacitive.
[10:39:04] <XXCoder> how do that work
[10:39:13] <XXCoder> and whats its resolution
[10:40:00] <SpeedEvil> Measure quadrature values of two comb PCBs applied close to the thread
[10:40:24] <XXCoder> is there a page that explains that?
[10:40:36] <SpeedEvil> Easily a hundredth of a thread
[10:40:59] <SpeedEvil> Probably - I don't know of one though
[10:41:22] <XXCoder> one thread rotation on m6 is I guess 1 mm per rotation
[10:41:35] <XXCoder> it means it can do .001 mm resolution
[10:41:39] <XXCoder> that is pretty good
[10:42:03] <XXCoder> dunno what m4 is on that
[10:42:24] <jthornton> wow that h97m asrock mb is terrible on preempt rt
[10:46:13] <XXCoder> can't find anything yet
[10:46:16] <jthornton> well terrible with debian wheezy and uspace but great with linuxmint and ja14
[10:49:05] <SpeedEvil> XXCoder: http://www.ni.com/tutorial/7109/en/
[10:49:14] <XXCoder> thanks. looking.
[10:49:49] <SpeedEvil> XXCoder: using the additional point that real outputs are sinusoidal from the measurement in question,and you can also measure rotation if you use ADCs, not binary determination of posiition
[10:50:20] <SpeedEvil> Though the context this was in was a large router, where ~0.5mm precision would have been almost entirely ideal
[10:50:45] <XXCoder> interesting
[10:51:04] <XXCoder> I'm looking for 0.01mm precision
[10:51:13] <XXCoder> or thereabouts anyway
[10:51:37] <XXCoder> I wonder if linuxcnc can accept input with tb6560 as controller
[10:51:44] <XXCoder> probably not lol
[10:51:55] <XXCoder> tb6560 is my first Controller TM ;)
[10:53:32] <XXCoder> good reviews (with few known issues) with that $200 3d printer
[10:54:03] <XXCoder> relly too bad HDPE is too hard to 3d print
[10:54:59] * SpeedEvil really wants to 3d print kittens.
[10:56:05] <XXCoder> https://youtu.be/MmTaOvlJMpA
[10:56:10] <XXCoder> cheese kittens
[10:56:51] <SpeedEvil> http://imgur.com/gallery/CrmJNum
[10:57:00] <SpeedEvil> err
[10:57:14] <SpeedEvil> https://www.theseus.fi/bitstream/handle/10024/86198/Thesis%20final.pdf?sequenc rather
[10:57:22] <SpeedEvil> - on printing using recycled HDPE
[10:57:34] <XXCoder> is it that boat one?
[10:57:44] <XXCoder> there is some 3d print stuff related to HDPE but most cant
[10:58:42] <XXCoder> lol that cheeze orinter "extruder" keeps slipping off
[10:59:47] <SpeedEvil> ah - he just made filliment
[10:59:50] <SpeedEvil> from recycled
[11:00:36] <XXCoder> "Generally, HDPE is considered exceptional because of its impact strength relative to other
[11:00:37] <XXCoder> thermoplastics (one of the best impact resistance thermoplastic) and has an excellent
[11:00:37] <XXCoder> machinability."
[11:01:13] <XXCoder> soylent bottles is HDPE too apparently
[11:01:27] <XXCoder> in least the bottle itself. its covering is 7
[11:01:30] <XXCoder> "other"
[11:01:41] <archivist> SpeedEvil, I would not use threaded rod, its pitch is somewhat off from any measurement standard
[11:01:57] <XXCoder> archivist: regrind it or lathe iot
[11:01:59] <XXCoder> ?
[11:01:59] <SpeedEvil> archivist: yes, absolute pitch is unimportant in this case
[11:02:25] <SpeedEvil> Pitch variance is more important, and though in principle that can be calibrated out...
[11:03:03] <archivist> pitch variance is about as random of the bit of rolled thread I have measured
[11:03:26] <XXCoder> "The filament was successfully extruded at an average rate of 90 mm/min and used to print parts." HDPE printing
[11:04:06] <SpeedEvil> oh
[11:04:47] <archivist> a capacitive comb averages some of that out
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[11:06:07] <XXCoder> SpeedEvil: good read so far on HDPE printing
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[11:06:34] <archivist> ball bearings in a tube should be within an amateurs ability
[11:06:38] <lair82> jthornton, that sounds like the mb I am using, I had to update the OS to get it to run right with good numbers.
[11:06:54] <lair82> I am running wheezy on it,
[11:07:53] <jthornton> what did you have to do to update the OS?
[11:08:01] <lair82> Here is what I did, http://freeby.mesanet.com/makert4.1.13
[11:08:26] <archivist> SpeedEvil, http://www.newall.co.uk/technology/
[11:08:31] <jthornton> thanks
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[11:10:15] <jthornton> lair82: I did get auto login and file sharing fixed on wheezy
[11:10:20] <SpeedEvil> archivist: interesting
[11:10:41] <lair82> Also, I had to add this to grub if I remember correctly, "sudo ethtool -C ethN rx-usecs 0" with the "N" specifying what ethernet port you are using for the 7i80 or what ever card you are using
[11:11:31] <lair82> I will have to go through my notes on the ethtool command to make sure what file I added that to,
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[11:11:47] <jthornton> I just manually configured the fixed ip for the ethernet port
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[11:12:57] <lair82> I did find a workaround a while ago on the auto login, and as for the file sharing, I found that I had to enable the permissions and sharing for every directory that dealt with the folder I was trying to share.
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[11:14:47] <jthornton> http://paste.ubuntu.com/17428978/
[11:14:53] <jthornton> my notes on debian
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[11:15:38] <jthornton> I set up the home directory so every one under that is shared and drag and drop works from everywhere on my lan
[11:16:12] <jthornton> time to put the new tire on the hoe and start digging with my $600 new tire
[11:17:02] <XXCoder> https://www.amazon.com/Monoprice-MP-Select-Mini-Printer/dp/B01FL49VZE interesting
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[12:24:35] <_methods> heh got a dynasty 200 for $860
[12:25:50] <CaptHindsight> _methods: know any US suppliers that stock co2 laser galvos (complete heads, no laser)?
[12:27:12] <_methods> no i do not
[12:27:29] <_methods> i have a buddy who might
[12:27:31] <_methods> i'll ask him
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[12:28:07] <CaptHindsight> most have zillion week lead times
[12:28:44] <Deejay> re
[12:29:51] <CaptHindsight> _methods: for example http://www.camtech.com/index.php?option=com_content&view=article&id=96&Itemid=85
[12:30:31] <CaptHindsight> http://www.camtech.com/index.php?option=com_content&view=article&id=140&Itemid=170
[12:35:36] <_methods> yeah he's all into laser light show stuff and galvos if anyone knows he will
[12:36:09] <CaptHindsight> the diff between the light show stuff and the marking stuff is the power rating of the mirrors
[12:37:46] <_methods> i personally don't know any suppliers
[12:37:55] <_methods> i deal mainly with cutting lasers
[12:40:46] <CaptHindsight> the power level here is plastic melting, metal marking
[12:40:46] <_methods> and we pretty much exclusively deal with II-VI
[12:41:00] <_methods> for all optics
[12:41:47] <_methods> besides, cheap and laser are not two words you often hear together lol
[12:42:13] <_methods> if you do it's usually shortly followed by the words fire
[12:42:17] <CaptHindsight> I'm finding that it's another racket
[12:42:17] <_methods> hahah
[12:42:24] <_methods> definitelly
[12:42:26] <XXCoder> cheap, good, powerful. choose 2. if from chinese, choices is "cheap"
[12:42:50] <_methods> if you want to charge 1000x more just add the word laser to your product
[12:42:59] <XXCoder> laser condoms
[12:43:00] <CaptHindsight> the Chinese team of 1000 monkeys haven't figured it out yet
[12:43:34] <_methods> there are some fairly strict itar and ear regulations imposed on a lot of laser stuff
[12:43:59] <XXCoder> laser endmill
[12:44:05] <CaptHindsight> high power mirrors on a cheap galvo should have a large profit margin
[12:44:45] <_methods> all of our "mirrors" are 2-3" thick slabs of copper lol
[12:44:49] <_methods> water cooled
[12:45:26] <XXCoder> laser cooled laser mirrors
[12:46:00] <CaptHindsight> kinda tough when the laser wavelength is heat
[12:46:20] <XXCoder> there is such thing as laser cooling actually
[12:46:36] <XXCoder> just not at "warm" scale, only ultracold
[12:46:57] <CaptHindsight> and the discussion goes to a tangent
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[12:47:14] <CaptHindsight> only took 20 minutes
[12:47:16] <XXCoder> it always does. though it also ends as I'm going to bed heh
[12:47:30] <XXCoder> unless you guys care to discess laser micrometer
[12:48:09] <CaptHindsight> I once knew a guy that heard from somebody that a laser is dangerous ...
[12:48:21] <CaptHindsight> he dropped it on his foot
[12:48:24] <XXCoder> night all heh
[12:52:02] <CaptHindsight> somehow the price of a $2-5K galvo and $1K lens turns into $15-20K when mounted
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[12:53:09] <CaptHindsight> I guess that's why I have a mill
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[13:22:10] * tiwake pokes _methods
[13:23:43] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=15841&g2_imageViewsIndex=1 <- so eionen screenshot meinte ich
[13:24:01] <Loetmichel> oh, sorry, wrong channel
[13:24:39] <tiwake> windows :-/
[13:25:04] <Loetmichel> tiwake: only as reciver for the webcam and the VNC from the linuxCNC machine ;)
[13:25:22] <Loetmichel> its quiter in the office than in the workshop
[13:25:40] <Loetmichel> AND i can do some administration work or soldering while the machine runs ;)
[13:26:34] <Loetmichel> or some gaming: http://www.cyrom.org/palbum/main.php?g2_itemId=15889&g2_imageViewsIndex=1
[13:27:29] <Loetmichel> <- lazy fuck ;)
[13:27:42] <Loetmichel> works well tho.
[13:27:44] <tiwake> work hard to be lazy
[13:27:59] -!- Tecan [Tecan!~fasdf@unaffiliated/unit41] has parted #linuxcnc
[13:28:00] <tiwake> I set up VNC once
[13:28:09] <tiwake> lost my job because of that
[13:28:37] <Loetmichel> https://www.youtube.com/watch?v=9u_ChO1AKYY
[13:28:43] <Loetmichel> how that?
[13:28:55] <tiwake> set it up and the guy who I was going to replace ended up staying and just doing everything remotely
[13:30:00] <tiwake> lamers
[13:31:24] <Polymorphism> lol
[13:31:28] <Polymorphism> brutal
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[13:32:43] <tiwake> anyone happen to know anyone who needs a good machinist in texas?
[13:36:45] <pcw_home> jthornton the ASRock h97 can be quite good:
[13:36:46] <pcw_home> http://freeby.mesanet.com/h97-g3258-preemt-rt.png
[13:36:51] <mozmck> tiwake: where are you?
[13:37:13] <tiwake> mozmck: oregon
[13:37:28] <mozmck> so you want to move to tx?
[13:37:32] <tiwake> jep
[13:38:09] <mozmck> I see. Don't currently know of someone looking for a machinist, but I know some machine shops. (north tx)
[13:38:17] <tiwake> not too picky... other than maybe an area that does not do emission testing for cars
[13:38:25] <tiwake> kinda eyeballing lubbock
[13:38:46] <mozmck> heh! don't have emission testing here - grayson county
[13:39:18] <tiwake> no emission testing rules out the three largest city areas, thats all
[13:39:47] <tiwake> dallas/fort-worth, houstin, and austin
[13:40:23] <mozmck> yep. don't have to get too far out to be out of it either.
[13:41:30] <tiwake> but I was thinking more northwest areas cause I don't like too humid
[13:41:51] <tiwake> I don't mind hot or cold, humid is the more annoying thing
[13:43:02] <tiwake> but I don't really do stuff outside very much anyway, so even that does not matter too much
[13:43:11] <tiwake> :P
[13:44:42] <tiwake> mozmck: any thoughts?
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[13:54:34] <jdh> lack of emission testing seems like a pretty lame way to pick a place to live
[13:54:57] <gregcnc> very common if you like to build cars
[13:55:46] <tiwake> I have a V6 mustang converted to a V8, it is what I will be taking to texas and it certainly won't pass emissions
[13:58:00] <tiwake> and there are other car projects I wish to endeavor upon at a later date
[14:00:50] <jdh> you mean, if you like to pollute the environment and condemn the future to a hacking wheezing global warming slow painful death
[14:01:08] <tiwake> heh
[14:01:19] <jdh> all it takes is one mustang to destroy the earth
[14:02:16] <tiwake> hydrocarbons are from dead stuff, are you condemning everything for having a life cycle?
[14:02:30] amnesic is now known as amnesic_away
[14:02:38] <jdh> no. just you!
[14:02:42] <mozmck> Humidity is not too bad in this area generally. Further west is less humid for sure - but I kind of like more trees.
[14:04:36] <tiwake> jdh: start a campaign to get everyone to stop breathing all at the same time. Now go! make a difference in the world!
[14:06:29] <tiwake> mozmck: donno, I'm not against that general area in general... I just don't know where to look (going to PM you)
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[14:23:44] <root-x> Now exists some polution prenvents like Ad-Blue and particle filters for reduce the emissions.
[14:24:38] <root-x> Their install in the exaust pipe
[14:24:41] <Polymorphism> just dont buy asus
[14:24:42] <Polymorphism> they are shit
[14:25:32] amnesic_away is now known as amnesic
[14:25:51] <root-x> Polymorphism shit is a very long world XD
[14:26:17] <root-x> word
[14:26:25] <Polymorphism> I had asus motherboard die in a month, then I had to fight with them for hours on the phone to get them to repair it
[14:26:32] <Polymorphism> I paid to ship it to them, waited 2 months
[14:26:35] <Polymorphism> they shipped it back still broken
[14:26:41] <Polymorphism> Gotta love Asus
[14:27:12] <Polymorphism> shit is the most accurate word I can think of to describe that company
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[14:36:31] <root-x> Oh man, my PC for 3D design have now 12 years old. You can change to MSI... their have good hardware for overclock etc...
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[14:48:36] <Polymorphism> I tried asrock and its been solid
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[14:50:45] <plpower> hi
[14:51:26] <plpower> PCW_ today alll clear not a single eror
[14:51:52] <Polymorphism> nicely done
[14:52:54] <plpower> Question is this channel log some where so i can see if someone answers in the night
[14:53:14] <gregcnc> zlog
[14:53:14] <zlog> gregcnc: Log stored at http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc/2016-06-17.html
[14:53:22] <plpower> is there a channel log eng. is to be worked about
[14:54:49] <plpower> whow almost every min a post
[14:55:28] <plpower> XXCoder: the new tb6600 are a miracle wonder in price and performence
[14:56:07] <plpower> i made almost 50 printer out of it and a view papercutters
[14:56:37] <Polymorphism> those are so cheap
[14:56:45] <Polymorphism> I blew a lot of money on leadhsine 4660
[14:56:51] <Polymorphism> so I hope at least it works perfectly =D
[14:57:04] <plpower> the 0.01 you are looking for is no problem on them as far as under 3600mm/min
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[14:57:19] <Polymorphism> fairly low volume so I don't need much speed
[14:57:51] <plpower> Polymorphism: i ordert a full cnc 3axis below 100euros electronic and frame
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[14:58:06] <Polymorphism> plpower, show me where
[14:58:14] <Polymorphism> I'll buy one today just because
[14:58:15] <Polymorphism> =D
[14:58:20] <Polymorphism> brand new??
[14:58:32] <plpower> no in parts not mounted
[14:58:36] <Polymorphism> OH ok
[14:58:42] <Polymorphism> yeah I could see that, depending on the parts
[14:59:06] <plpower> here maximilian uses leadshine also
[14:59:25] <Polymorphism> they work well for them?
[14:59:29] <plpower> let me grab a order from the past
[14:59:46] <Polymorphism> I went with leadshine because I got a decent price on it, and it was all in one
[15:00:04] <Polymorphism> I wasn't going to buy it because it was all in one, until I looked online and found out the drives can all be replaced individually with just a couple screws
[15:00:11] <Polymorphism> so no real disadvantage except perhaps heat
[15:00:14] <Polymorphism> which I'm sure they have figured out
[15:00:19] <Polymorphism> as long as I don't box it up tight
[15:00:27] <Polymorphism> I will have cooling fan on the electronics enclosure
[15:02:03] <plpower> last order from guandong 17Euros 125cny
[15:02:13] <plpower> vertion 57
[15:02:26] <plpower> version
[15:02:31] <Polymorphism> guandong lol
[15:02:34] <Polymorphism> china?
[15:02:39] <plpower> ofcause
[15:02:40] <Polymorphism> the prices are just crazy
[15:02:56] <plpower> and the 24V BOB is 6euros
[15:03:39] <Polymorphism> I may build a 2nd cnc now that I have one
[15:03:40] <plpower> the tb6600 are half the price
[15:03:50] <Polymorphism> tb6600 I've heard really good things
[15:04:39] <plpower> 36V only but the power-unit at that voltage is 8euros at 5A
[15:05:39] <plpower> that can run 3axis on a small PU
[15:06:14] <Polymorphism> more than enough
[15:06:18] <plpower> the 1605 are damm cheep so 2Nm steppers at 10Euros
[15:06:41] <Polymorphism> and the frame?
[15:06:47] <Polymorphism> the rest seems clear cut
[15:06:54] <plpower> construction alu
[15:07:20] <plpower> i got nearby deliver that holds rest pices below 80cm
[15:07:30] <plpower> at 1 euro etch
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[15:08:00] <Polymorphism> wow
[15:09:50] <plpower> here in shop area are 3 supplyers for the alu profiles
[15:10:00] <plpower> and 50km to go for tbr
[15:10:29] <plpower> as coustom is big issue from china on this
[15:11:17] <plpower> Polymorphism: http://www.fabbmatic.com/Produkte/Seite-/-Kategorie
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[15:12:18] <plpower> Polymorphism: full cnc at 200Euros http://www.fabbmatic.com/epages/64015207.sf/de_DE/?ObjectPath=/Shops/64015207/Products/4250848814024
[15:13:00] <Polymorphism> no electronics or spindle, not sure how good a deal that is compared to some options
[15:13:05] <Polymorphism> its not bad though
[15:13:17] <plpower> its cheese but for miniature scales cool stuff
[15:13:35] <plpower> with a Kress and adaptiv NC it works on ALU
[15:14:26] <plpower> tested on 8mm depth and 0.5mm cut at 100mm/min
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[15:16:11] <Polymorphism> not bad at all
[15:16:40] <plpower> it will last 1 job but after it may be a othere mashine
[15:17:00] <plpower> Polymorphism: what CNC you got
[15:20:04] <Polymorphism> xzero raptor, I'm still building it
[15:20:13] <Polymorphism> just got some parts I needed yesterday
[15:21:35] <Polymorphism> gotta go for a bit, bbl
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[15:32:29] <bearer> trying to run keystick on a (soon to be) headless machine and axis remotely. but remote axis fails. i see server also starting axis manual toolchange even is using display = keystick.
[15:32:56] <bearer> will it help to change the toolchange stuff, and if so, suggestion on where to go looking?
[15:34:37] <bearer> axis start up, shows interface and dies saying "HAL: ERROR: duplicate component name 'axisui'"
[15:35:49] <plpower> can you post the full error
[15:36:10] <bearer> sure
[15:36:11] <bearer> HAL: ERROR: duplicate component name 'axisui' Traceback (most recent call last): File "/usr/bin/axis", line 3227, in <module> comp = hal.component("axisui") hal.error: Invalid argument
[15:36:56] <_methods> what is keystick?
[15:37:18] <bearer> textbased "gui" for headless machines
[15:37:46] <_methods> oh
[15:37:47] <bearer> i gather I can only run one instance of axis, so changing the local one to keystick
[15:37:54] <_methods> damn i didn't even know that existed
[15:38:08] <_methods> hell that's awesome
[15:39:14] <plpower> http://linuxcnc.org/docs/html/gui/keystick.html
[15:40:13] <plpower> bearer: did you look into the hal of the mashine
[15:40:48] <plpower> in display area only DISPLAY = keystick is in
[15:40:58] <plpower> no axis gmocapy or ..
[15:41:21] <bearer> plpower: i couldn't find any mention of axisui in my hal, and it ran axis over ssh before I tried running keystick + axis
[15:42:02] <plpower> that seams the case as ko file isent unloaded on keystick
[15:42:03] <bearer> yeah, only one DISPLAY line, and it says keystick. then i run axis --ini ... to start axis remotely over ssh
[15:42:37] <bearer> plpower: ah, I'll reboot the machine and try on a fresh start! (and kick myself for not trying that first)
[15:43:18] <plpower> give it a try
[15:47:06] <plpower> ok worday is off im off GN8 from Germany
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[15:57:03] <bearer> plpower: that changed something, added absolute paths to other .hal and .xml files and hey presto! start a job in axis, and it keeps running in keystick if I closed axis. Cheers!
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[16:31:14] <roycroft> folks, i need to ask about something potentially scary
[16:31:27] <roycroft> for this project i'm working on i need to machine some arc slots in mild steel
[16:31:37] <roycroft> the problem is i don't have a rotary table, and can't afford one right now
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[16:32:18] <archivist> linuxcnc does arcs, what is so scary
[16:32:20] <roycroft> i need a hole in the center of the arc already, and i'm thinking of mounting the piece on some blocks through a bolt that goes through that hold
[16:32:26] <roycroft> i don't have a cnc mill
[16:32:35] <archivist> file!
[16:32:53] <roycroft> i'm thinking about plunge milling the ends of the arcs
[16:33:01] <gregcnc> find coordinates to make rough cur in the mill then file
[16:33:06] <gregcnc> cut
[16:33:17] <roycroft> and rotating the work by hand, taking extremely light passes
[16:33:25] <roycroft> but that really scares me
[16:33:29] <roycroft> which i think it should
[16:33:51] <gregcnc> take video
[16:33:59] <archivist> we used a saw to cut to the line when crossing out wheels, then file to finish
[16:34:03] <roycroft> there's already too much blood and gore on the internet
[16:34:26] <roycroft> i would prefer not to expend the time it would take to file, but that is probably the safer approach
[16:34:51] <roycroft> i could clamp, plunge mill, unclamp, rotate slightly, clamp, etc.
[16:34:55] <roycroft> and then file it smooth
[16:35:04] <gregcnc> that too
[16:35:16] <roycroft> that would spoil your entertainment though
[16:35:30] <gregcnc> do it the safe way
[16:35:37] <gregcnc> even if it takes forever
[16:36:07] <roycroft> is a rotary table really the only safe way to do it while moving the part when the mill is on?
[16:36:25] <roycroft> are there other clever jigs for holding it reasonably that one could come up with?
[16:36:31] <archivist> the saw and file method is not hard
[16:36:36] <roycroft> no, it's not hard
[16:36:39] <roycroft> it's time consuming
[16:36:54] <archivist> time is free
[16:36:55] <roycroft> one of the pieces will be 12mm/0.5" plate
[16:37:23] <archivist> get a rotary then
[16:37:39] <gregcnc> time is the only thing we can't make more of
[16:37:43] <roycroft> cash is tight
[16:37:51] <roycroft> but i did look into a rotary table
[16:38:03] <roycroft> unfortuantely i can't really handle a large one on my little mill
[16:38:06] <archivist> I understand no cash better than most
[16:38:14] <roycroft> i found a 5" one that would be perfect, but it's out of stock
[16:38:25] <roycroft> 4" seems too small to be useful
[16:38:33] <roycroft> 6" would be a bit large for my mill
[16:38:37] <archivist> I hang the rotary off the side, much larger arcs possible then
[16:39:29] <roycroft> i was not looking to be talked into freehanding it on the mill
[16:39:31] <archivist> use a plate to "extend" the table
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[16:39:54] <roycroft> i was figuring i would be talked out of it, and wasn't seriously entertaining the idea in the first place
[16:40:03] <roycroft> i'm pretty good at knowing what is scary
[16:40:18] <roycroft> so thanks, i think you've confirmed that it's a bad idea
[16:41:17] <archivist> here I was working on steel there is a rotary under the xy http://www.collection.archivist.info/archive/DJCPD/PD/2003/2003_12_10_Ed_Tower_clock/P1010112.JPG
[16:41:33] <roycroft> filing can be rather zen, so i should probably just clear my mind and become one with my part :)
[16:42:48] <roycroft> in the meantime i'll work on other parts, and mayhap that 5" rotary table will become available before i get to the arc slots
[16:43:26] <archivist> this was another made on the manual mill http://gears.archivist.info/gears/P1010013_335.JPG
[16:43:55] <archivist> replacement for http://gears.archivist.info/gears/P1010008_400.JPG
[16:44:36] <roycroft> nice
[16:45:41] <archivist> the really nice thing about that mill is the stack of axes, X bottom then rotary then another X and Y
[16:46:13] <archivist> which means easy offsets for the straight spokes
[16:46:26] <roycroft> i've seen setups like that before
[16:47:23] <archivist> I have used an old worm speed reducer as a cheap rotary
[16:48:58] <roycroft> the 5" rotary i'm looking at can be mounted horizontally and vertically, comes with a chuck, dividing plates, and tailstock
[16:49:10] * SpeedEvil idly wonders about threading a tap on a threaded rod, welding carefully to the proper length a loop, running the tap down and then cutting the tap off.
[16:49:11] <roycroft> and it's <$300
[16:49:23] <roycroft> so probably not very precise, but good enough for a lot of work
[16:49:50] <archivist> should be able to find something cheaper
[16:50:15] <gregcnc> endless threaded rod?
[16:50:41] <archivist> I think he means die
[16:50:55] <SpeedEvil> gregcnc: yes
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[16:51:05] <SpeedEvil> err
[16:51:08] <SpeedEvil> and yes, I mean die
[16:51:14] * SpeedEvil needs more or less coffee.
[16:51:29] <roycroft> http://www.grizzly.com/products/5-Rotary-Table/T25937?utm_campaign=zPage
[16:51:33] <roycroft> that's the thing
[16:52:09] <roycroft> for a mini-mill it's the perfect size
[16:52:53] <roycroft> i'd rather have a collet holder than a chuck
[16:53:22] <roycroft> but that setup would be an improvement over what i have now
[16:56:21] <archivist> roycroft, and when things dont fit on the table, a plate http://www.collection.archivist.info/archive/DJCPD/PD/2012/2012_06_15_Adcock_Shipley/IMG_1249.JPG
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[17:02:29] <roycroft> i sometimes wish i had the shop space for bigger machinery
[17:02:48] <roycroft> but then i realise that if i did i would start collecting machinery that i can't afford and don't need
[17:03:02] <roycroft> but that would still be heaps of fun to have
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[17:07:10] <archivist> and if too heavy for the table overhead crane http://www.collection.archivist.info/searchv13.php?searchstr=milling+statfold
[17:12:52] <bearer> huh, with keystick running locally and axis remotely, my g54/relative coords breaks. Normally I jog to x0, y0, and z0, press END and zero all three axis. As I do I see the gcode in the preview move accordingly. Now I get a turquoise vector between my zero'ed position and the origin in the gcode
[17:14:15] <bearer> and trying to run the code, I get an error saying it would run outside my limits. having absolute or relative coords in keystick seems to make no difference
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[17:32:53] <CaptHindsight> _methods: maybe I'll go into the laser marking business, every supplier I have checked with makes $12-17K for mounting a laser to a scan head and lens
[17:39:58] <_methods> yeah my buddy didn't know anything about marking heads
[17:40:03] <_methods> just the galvo heads for laser light shows
[17:40:30] <_methods> plenty from alibaba land
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[17:59:09] <CaptHindsight> a dozen a dime
[17:59:36] <CaptHindsight> everyone has about the same pricing and 4-8 week lead time
[17:59:58] <CaptHindsight> even the ones that say they stock $2M in inventory
[18:10:40] <yasnak> who have you talked to?
[18:11:16] <roycroft> i will sell you a "laser"
[18:11:17] <yasnak> oh, nevermind.
[18:11:20] <roycroft> for ONE MILLION DOLLARS
[18:11:47] <yasnak> lasers are such a rip, our first one was a CLC. Control Laser. Bublys or whatever
[18:12:09] <yasnak> 30K for a diy box and laser head with crappy GUI software and a basic acer computer
[18:12:20] <CaptHindsight> yasnak: who have I talked to for what specifically?
[18:12:29] <yasnak> sorry, I thought you were looking for a laser. my bad.
[18:12:59] <CaptHindsight> just mainly the 2axis galvo setup and lenses
[18:13:25] <mikeh00> think a 10" screen would be too small for gmoccapy?
[18:17:03] <CaptHindsight> yasnak: I've gotten some quotes >$40K for a crappy system you describe
[18:18:00] <CaptHindsight> winders GUI software with no way to integrate it into a multi axis platform
[18:18:24] <CaptHindsight> since there's no source and now way to synch motion to the motion of the galvo
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[18:35:59] <yasnak> Yeah, actually CLC had the exact same F20 for sale for like 18K
[18:36:32] <yasnak> Fairly nice except that the 8" FOV lens doesn't work well if you're trying to do anneal type lases vs actual material removal lases
[18:37:21] <yasnak> Anything above basic complexity you had to code by hand, the GUI had issues randomly throwing errors IN THE LASE on parts haha
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[20:27:53] <Simonious> Anybody 3D printed with alumina?
[20:30:28] <SpeedEvil> Simonious: I plan to
[20:30:32] <SpeedEvil> but not yet
[20:30:40] <SpeedEvil> See: http://imgur.com/gallery/VBi5j
[20:30:44] <SpeedEvil> err - not that
[20:31:22] <SpeedEvil> http://fehu.whitequark.org/files/Documentation/Ceramics/A%20new%20direct%20coagulation%20casting%20process%20for%20alumina%20slurries.pdf
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[20:42:38] <andypugh> Right, so the Glue-gun equivalent of a potters wheel? It’s so obvious when you see it.
[20:43:18] <andypugh> And we have known you can make solid, engineering, parts that way for, ooh, about 20,000 years.
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[21:07:18] <Deejay> gn8
[21:07:45] <XXCoder> so dang tempted to buy https://www.amazon.com/Monoprice-MP-Select-Mini-Printer/dp/B01FL49VZE
[21:07:49] <XXCoder> but dunno lol
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[21:29:15] <andypugh> It’s cute and it’s free :-)
[21:29:33] <roycroft> a kitten?
[21:30:06] <roycroft> kittens don't stay free
[21:30:11] <roycroft> when they grow up they enslave you
[21:30:33] <andypugh> I think I will be making a 3D printer soon. Probably GG and sized specifically to make foundry patterns of 1908 engines.
[21:31:14] <roycroft> i have a chicken and egg problem
[21:31:20] <roycroft> i'm out of room in my shops for more machinery
[21:31:29] <roycroft> i could make a 3d printer and print an extension
[21:31:40] <roycroft> but i need the extension before i have room for the 3d printer
[21:31:59] <roycroft> or i need a printer shed
[21:32:59] <XXCoder> you have cnc machine? I wonder if it can be adopted to print
[21:33:07] <XXCoder> just make print "head"
[21:33:15] <roycroft> i do not have any cnc machines at this point, if that was directed at me
[21:33:21] <roycroft> i have some components
[21:33:28] <XXCoder> ahh ok
[21:33:35] <Erant> andypugh: Wax printer?
[21:33:37] <andypugh> XXCoder: My mill is too small for the parts in question.
[21:33:39] <XXCoder> I have bunch of parts I'm wondering what to do with too
[21:33:51] <roycroft> perhaps i could build a teeny tiny 3d printer
[21:34:15] <roycroft> use it to print parts for a bigger printer, and build enough of a printer shed to house the slightly bigger printer
[21:34:25] <roycroft> than use that printer to build a bigger printer and enlarge the shed
[21:34:26] <roycroft> etc.
[21:35:11] <andypugh> XXCoder: Here is the problem I am trying to solve for a friend of mine: http://hmvf.co.uk/forumvb/showthread.php?13636-1908-Dennis-Truck&p=450819#post450819
[21:36:05] <XXCoder> interesting
[21:36:29] <andypugh> The core-boxes are the interesting part.
[21:37:00] <andypugh> You need cores for the ports, combustion chamber and water jacket, and they all interlock.
[21:38:49] <roycroft> would you be building a printer that fuses metal powder, andypugh?
[21:39:50] <andypugh> No, I am thnking GGG shells then back-filling with 2-part foam,
[21:40:32] <andypugh> The point it is to make patterns for the foundry, to make maybe 10 castings.
[21:40:56] <Duc_mobile> I must be a boring person or something since Im tired of smelling weed in my hotel room in vegas
[21:41:53] <roycroft> i see
[21:42:26] <roycroft> i thought you were going to print the parts themselves
[21:42:35] <roycroft> dmls seems like an interesting technology
[21:42:52] <roycroft> but it's probably wicked expensive to build a good quality dmls printer
[21:43:12] <roycroft> cheaper to build a printer that makes patterns and cast the parts
[21:43:38] <Polymorphism> XXCoder, the maker select v2 better
[21:43:43] <Polymorphism> pennies more
[21:43:53] <XXCoder> ok will look into it
[21:44:39] <Polymorphism> http://www.monoprice.com/product?p_id=13860
[21:44:40] <Polymorphism> bbl
[21:44:53] <Polymorphism> looks like its a bit too good, out of stock again
[21:45:21] <XXCoder> its $100 more
[21:46:05] <Polymorphism> 12,900 pennies more, yes
[21:46:13] <Polymorphism> probably worth it depending on what you're going to use it for
[21:46:25] <XXCoder> likely just play around actually
[21:46:57] <neckro23> monoprice sells 3d printers now? wtf
[21:47:07] <Polymorphism> its a rebranded wanhoa duplicator i3
[21:47:08] <Polymorphism> but yes
[21:47:12] <neckro23> that's the second time TODAY I've gone "wtf" at a Monoprice offering (first time was MIDI controllers)
[21:47:19] <Polymorphism> the one thing to note xxcoder is the small build area on that mahcine you linked
[21:47:34] <Polymorphism> plus I can't speak to its quality. the wanhao i3 and the monoprice clone is very well reviewed
[21:47:35] <XXCoder> yeah
[21:47:54] <Polymorphism> there is sort of a 3d printing channel here too if you donty already know
[21:47:56] <Polymorphism> #reprap
[21:47:59] <Polymorphism> but they prefer diy
[21:48:02] <Polymorphism> still good info in there
[21:48:54] <neckro23> I still have to figure out how to turn my existing CNC into a 3d printing thing
[21:49:12] <Duc_mobile> you might not have the speed required on the cnc
[21:49:31] <XXCoder> whats speed cnc need to be at for printing
[21:49:34] <Polymorphism> this is an area highly relevant to my interests
[21:49:41] <Polymorphism> I was considering a 3d printing mod for my cnc
[21:50:02] <Erant> Eh, I 'unno. I can run mine at 100IPM+, which is faster than I remember most 3D printers being.
[21:50:10] <neckro23> hm, I wonder what the min speed is
[21:50:26] <Duc_mobile> most 3d printers have a fast acceleration
[21:50:35] <Polymorphism> bridging etc
[21:50:39] <neckro23> yeah mine runs pretty fast too. like at least a few hundred ipm iirc.
[21:50:44] <Polymorphism> infill
[21:50:46] <Polymorphism> fast operations
[21:51:05] <neckro23> hm, that's a good point... probably lighter is better for that stuff
[21:53:50] <Duc_mobile> watch some of the videos on youtube to show the speeds
[21:53:56] <andypugh> From where I am, printing patterns for conventional casting looks like the way to go. It would be days of printing, and expensive, but then every part is about £50 and 20 minutes.
[21:54:08] <andypugh> And, is made od actual cast irion.
[21:54:27] <Erant> andypugh: What would you print it in? PLA?
[21:54:28] <XXCoder> andypugh: then left outside for few years to anneal?
[21:54:28] <Duc_mobile> andypugh: have you looked at making your own machinable wax then pouring a cast
[21:54:52] <XXCoder> Duc_mobile: I did look into it. awesome, though creation part is little bit dangerous
[21:55:07] <Duc_mobile> use a slow cooker outside
[21:55:23] <Duc_mobile> or crock pot. its actually not to bad
[21:55:35] <andypugh> The point is to have a re-uasble pattern for conventional sand casting.
[21:55:52] <andypugh> This is a 1908 truck.
[21:56:25] <andypugh> (and will be possibly the oldest ruck in the world when finished)
[21:56:27] <Duc_mobile> what about machine a wood form
[21:56:31] <XXCoder> https://www.youtube.com/watch?v=rpXq6mnbCus
[21:56:34] <XXCoder> I wanna try this
[21:57:05] <XXCoder> Duc_mobile: yeah then finish it, paint very strong paint and its nice and smooth, perfect for making sand cast hollows
[21:57:11] <XXCoder> myfordboy does that
[21:57:35] <Duc_mobile> I need to build some wax when I get home from vegas
[21:58:11] <XXCoder> I do wonder if I really need to bother cutting plastic into tiny peices
[21:58:16] <XXCoder> that guy didn't.
[21:59:08] <nos> Fibers have their strengths. :D
[21:59:48] <Duc_mobile> Im lazy I can wait for the lids to melt
[22:00:41] <andypugh> I do have a huge collection of HDPE for just that reason. (most of my kitche cupboards are rammed full of plastic bags). I just haven’t got round to it yet
[22:01:02] <XXCoder> if I recall store bags is LDPE
[22:01:29] <andypugh> I have CNC -machined stacks of MDF. But there is still a lot of sanding and fettling.
[22:02:11] <andypugh> I am trying to find something that is less effort than this: http://bodgesoc.blogspot.co.uk/search/label/Holbrook03%20Pattern%20Making
[22:02:57] <andypugh> That was basically 3 weeks of evenings of machining. It would be less with a spindle faster than 1000 rpm, I suppose.
[22:03:26] <XXCoder> though there is upper limit lol
[22:03:32] <XXCoder> my machine 27000 is just too fast
[22:03:47] <Duc_mobile> 3d printed plastics suck for large forms unless you really know what your doing
[22:04:35] <XXCoder> HMM guy is using blender to shred HDPE. not bad idea
[22:06:27] <XXCoder> https://www.youtube.com/watch?v=kUR6_bQLU-E
[22:08:17] <andypugh> I can’t decide if that Art of Weapons person is a boy or a girl. Not that it matters, but it’s an unusual voice.
[22:08:36] <XXCoder> maybe that person is an alien
[22:08:39] <andypugh> Sounds English, though.
[22:08:48] <XXCoder> English-born alien
[22:09:25] <XXCoder> if there is ever aliens we would have legalse oddity, there would be alien native born, alien alien
[22:09:26] <andypugh> The way they say “but” is Northern English.
[22:09:56] <Duc_mobile> I wonder how bad that smells in the house
[22:10:08] <Duc_mobile> andypugh: Im wondering if its a young kid doing the video
[22:10:22] <andypugh> Fairly young, I reckon.
[22:11:40] <Duc_mobile> maybe be hard to tell male or female then
[22:12:35] <andypugh> LOL “Avoiding the awkwardly placed dog”
[22:15:55] <andypugh> I reckon super-smart boy kid with very understanding mum.
[22:17:06] <Duc_mobile> probably "it" could be doing much worse thing with their time
[22:17:13] <andypugh> Actually, at 10:40 you can see them.
[22:17:30] <Duc_mobile> male or female kid?
[22:17:36] <andypugh> Boy
[22:18:02] <andypugh> And Wickes sandpaper == UK
[22:19:21] <Duc_mobile> I need to find a new project to work on
[22:20:07] <Duc_mobile> wish Rockwell didnt charge 10 grand for the programming software
[22:20:36] <XXCoder> what type of project
[22:21:04] <Duc_mobile> no clue something automated probably
[22:21:32] <andypugh> Snake-bot
[22:21:39] <Duc_mobile> whats that
[22:22:02] <andypugh> A serial array of Stewart Platforms
[22:23:27] <Duc_mobile> interesting. Still trying to figure out if I want to build the turrent platform on wheels
[22:24:07] <Duc_mobile> but cant find a good use for it
[22:26:38] <Duc_mobile> andypugh: forgot to mention that I got the motor working for the cold saw and wired up correctly
[22:28:11] <andypugh> Grand
[22:39:16] <CaptHindsight> "there's a penguin on the tele"
[22:45:49] <Jymmm> and a banana on the moon
[22:46:12] <XXCoder> and no cheese
[22:46:13] <andypugh> fruit flies like a banana
[22:46:14] <CaptHindsight> whasssaappppiinning Jymmm?
[22:46:23] <XXCoder> thats why we havent back for years. diappointment
[22:46:29] <CaptHindsight> get all yer critters killed?
[22:46:44] <Jymmm> CaptHindsight: SSDD, what it be like!?
[22:47:40] <CaptHindsight> Jymmm: did you get a megablaster supersoaker squirt gun or?? filled with bug juice
[22:48:36] <Jymmm> CaptHindsight: Kinda, the sprayer I got shoots about 20ft stream if you REALLY pump it up
[22:48:59] <Jymmm> CaptHindsight: But... Ifound the source of those bastards!
[22:49:12] <Jymmm> CaptHindsight: they were crawling up a down spout
[22:49:29] <Jymmm> CaptHindsight: the nest is no more
[22:49:56] <XXCoder> make woodgears wasp vacuum
[22:50:02] <CaptHindsight> was picturing your kitchen to look like this http://vignette1.wikia.nocookie.net/men-in-black/images/5/50/Aliens.png/revision/latest/scale-to-width-down/590?cb=20110514194136
[22:50:23] <andypugh> I was going to suggest https://www.youtube.com/watch?v=T0qagA4_eVQ but it’s entirely caption-free
[22:50:36] <Jymmm> CaptHindsight: that would have been cool, excet for the cops showing up
[22:51:25] <XXCoder> andypugh: I loved that show, too bad fire "killed" those charactors
[22:52:02] <andypugh> Wallace is basically my dad
[22:52:23] <andypugh> (well, my dad before his brain broke)
[22:52:25] <CaptHindsight> wow forgot about Wallace and Gromit, how long has it been since their first film 25+ years?
[22:52:55] <XXCoder> been a while
[22:53:08] <XXCoder> there will never be any more though
[22:53:43] <CaptHindsight> https://en.wikipedia.org/wiki/A_Grand_Day_Out 1989
[22:53:57] <CaptHindsight> my kids were little
[22:54:20] <CaptHindsight> must have been VHS tapes we got
[22:54:29] <XXCoder> I was 13 then
[22:54:40] <XXCoder> 27 years
[22:55:20] <Jymmm> CaptHindsight: https://www.youtube.com/watch?v=BQ4cWBiLuo0
[22:56:36] <XXCoder> ah yes Oct 2005 was when fire destroyed stages and charactors
[22:57:18] <CaptHindsight> Jymmm: bug vs bug https://www.youtube.com/watch?v=PXo2Zdhh7m0
[22:57:44] <XXCoder> red green lol did saw some shows on that
[22:57:59] <XXCoder> I still remember that hack that turned car into variable length whellbase car
[22:58:14] <XXCoder> "confort of long base tight turning radius of short base"
[22:58:15] <XXCoder> lol
[23:01:12] <XXCoder> https://youtu.be/ORxw547fLDI?t=420
[23:05:21] <Jymmm> CaptHindsight: Guess what I found last summer making a nest... https://www.youtube.com/watch?v=TQNgxJdqzm4
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[23:14:08] <andypugh> I really don’t know what wasps are for. Nasty things.
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[23:15:26] <XXCoder> protecting plants from other bugs
[23:15:33] <malcom2073> andypugh: http://img.memecdn.com/This-is-a-wasp_o_47234.jpg
[23:16:52] <andypugh> It’s the laying an egg in a paralysed victim thing that I don’t like. That’s just mean.
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[23:18:31] <malcom2073> That's only one kind of wasp, the rest haven't learned that trick yet
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[23:18:59] <CaptHindsight> http://www.technobuffalo.com/2016/06/17/lgs-new-tv-repels-mosquitoes-yes-seriously/?utm_source=dlvr.it&utm_medium=twitter
[23:19:13] <CaptHindsight> LG’s new TV repels mosquitoes – Yes, seriously
[23:19:33] <XXCoder> mosquitoes unfortunately is not useless either
[23:19:52] <XXCoder> so many eat em
[23:21:02] <andypugh> I am not too bothered about mosquitos, I can spare the blood.
[23:21:19] <XXCoder> bug ecosystem is powered by blood. lol
[23:21:31] <andypugh> And it isn’t like the malaria parasite is their fault.
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[23:22:08] <XXCoder> yeah.
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[23:29:02] <CaptHindsight> http://techxplore.com/news/2016-06-world-processor-chip.html World's first 1,000-processor chip
[23:30:00] <XXCoder> wow
[23:31:01] <andypugh> isolcpus would probably be wrong :-)(
[23:31:41] <Ralith> world's first, except for the last five years or so of GPUs
[23:33:13] <djdelorie> to be fair, those have 1024 processors, not 1000
[23:33:39] <PCW_> this is MIMD also not SIMD like most GPUs
[23:35:06] <andypugh> I just invented MISD. It;s great when you want to be _really_ sure of the result.
[23:36:58] <XXCoder> build a million processor supercomputer with that cpu
[23:37:18] <skunkworks> The noise in the Y axis seems to have been a ball screw support bearing that isn't forced oiled
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[23:38:28] <skunkworks> just odd. they seem to have willy-nillied decided what to oil..
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[23:44:37] <XXCoder> chinese?
[23:49:49] <CaptHindsight> http://formlabs.com/store/us/form-2/buy-printer/ I'm going to make a Linuxcnc board that drops into these to replace their closed controller
[23:52:09] <CaptHindsight> simple 2 axis galvo with z-axis stage
[23:53:21] <CaptHindsight> bypass their resin cartridge ID DRM as well
[23:53:39] <XXCoder> drm. lovely.
[23:54:09] <XXCoder> they are trying to be printer company. ink more expensive than human blood
[23:54:19] <XXCoder> yet cheap to make
[23:55:48] <Jymmm> CaptHindsight: Piss em off, make a cheap unlocker thingy
[23:56:35] <CaptHindsight> going to make a board that just swaps out their board
[23:56:49] <Jymmm> ah
[23:57:18] <CaptHindsight> 4 core arm board that runs Linuxcnc plus the galvo and z-axis driver
[23:58:15] <enleth> XXCoder: yeah, it's priced as if it were made out of unicorn droppings hand-picked by Tibetan monks in the heart of the Amazon jungle
[23:58:36] <XXCoder> lol indeed
[23:58:56] <CaptHindsight> there are similar SLA printers for ~$1k but people seem to buy the form2
[23:58:57] <Jymmm> CaptHindsight: What ARE the resins they/it uses?
[23:59:27] <CaptHindsight> then they want other resins or wish to control the settings themselves
[23:59:54] <Jymmm> CaptHindsight: you have one?