#linuxcnc | Logs for 2013-10-04

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[08:27:37] <Loetmichel> mornin'
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[09:02:32] <DJ9DJ> moin
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[10:10:34] <jthornton> morning
[10:12:07] <Loetmichel> mornin'
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[10:38:40] <jthornton> I can't remember the last time I saw 15.714285714 stone
[10:42:42] * DJ9DJ scratches his head
[10:42:46] <DJ9DJ> hi jthornton
[10:45:08] <archivist_herron> I usually see more than 16 stone on electric trolleys
[10:46:15] <jthornton> hi DJ9DJ
[10:46:59] <ReadError> lol stones
[10:47:07] <ReadError> why do people still use that?
[10:47:27] <Loetmichel> american?
[10:47:40] <archivist_herron> UK use stone too
[10:47:42] <Loetmichel> because they cant do like the rest of the world, like every time ;-)
[10:47:45] <DJ9DJ> thats why i scratched my head. wth do they mean?! ;)
[10:49:14] <DJ9DJ> how much is one stone?
[10:49:38] <Loetmichel> a few kg
[10:49:54] <Loetmichel> https://www.google.de/#q=1+stone+in+kg&safe=off
[10:50:04] <DJ9DJ> ah tnx
[10:50:08] <Loetmichel> 1 stone = 6.35029318 kilograms
[10:50:09] <DJ9DJ> never heard about that before
[10:52:17] <TekniQue> UK and Ireland use stone to weigh people
[10:52:20] <TekniQue> and nothing else
[10:52:23] <DJ9DJ> hundredweight. hmm
[10:52:25] <jthornton> 1 stone = 14 lbs
[10:52:41] <TekniQue> the weight of a person is always quoted in stone
[10:52:56] <TekniQue> but I've never, ever heard anything else quoted in that unit
[10:55:59] <DJ9DJ> hmm, my weight is about 12 stone
[10:56:51] <jthornton> my goal is 13-14 stone
[10:57:46] <DJ9DJ> i think stone is a good unit to weigh people
[10:58:02] <DJ9DJ> numbers are always only two digits :)
[10:58:21] <jthornton> unless your a little people
[10:58:34] <Loetmichel> hrhr
[10:58:50] <DJ9DJ> hehe, yes, but not more than two ;)
[10:58:50] <archivist_herron> 7stone weakling
[10:58:53] <Loetmichel> i am at 17,2 stone
[11:01:20] <jthornton> Jon Minnoch at one time weighed in at 100 stone
[11:01:46] <jthornton> http://www.guinnessworldrecords.com/records-3000/heaviest-man/
[11:01:54] <DJ9DJ> omg
[11:01:57] <Loetmichel> ouch
[11:04:00] <jthornton> for a while I weighed 18 stone but have been reducing my gravitational attraction for some time now
[11:04:32] <DJ9DJ> make sure your gravitational attraction will not drop below zero ;)
[11:04:54] <DJ9DJ> you might just fly away ;)
[11:04:59] <jthornton> lol
[11:08:03] <Loetmichel> jthornton: i just have switched from smoking to e-cigs... i dont expect my weight to go down any tome soon ;-)
[11:08:44] <jthornton> I'm sure smoking has no effect on your weight, not many calories in smoke
[11:09:04] <DJ9DJ> ;)
[11:09:14] <jdh> it has negative calories
[11:09:26] <Loetmichel> jthornton: but the "smoking substitute" in candy has
[11:09:59] <jthornton> oh my a bad substitute, try rubber bands
[11:10:12] <Loetmichel> i.e. people (me included) tend to eat more snacks when quitting soking
[11:10:21] <Loetmichel> +m
[11:10:36] <jthornton> I used tobacco in the past and I know
[11:10:45] <jthornton> http://www.myfitnesspal.com/
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[11:11:26] <jthornton> at one time I smoked, chewed and dipped... sometimes all at once
[11:11:28] <Loetmichel> fitness? moving without having to? not my thing ;-)
[11:11:47] <jthornton> I use the calorie counter
[11:11:53] <Loetmichel> and i am not THAT fat...
[11:12:01] <jthornton> pain in the a$$ but works
[11:12:23] <jthornton> I'm not THAT fat either but I'm tired of weighing too much
[11:12:25] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14295 ;-)
[11:13:10] <Loetmichel> as long as i can move faster and can carry more than my co-workers everything is ok
[11:13:20] <jthornton> oh no I clicked on a photo... now to see if I'm over my limit today
[11:15:06] <Loetmichel> just the huffing and puffing after running up the stairs at the company the tenth time has to cease
[11:15:31] <jdh> hire some underpaid interns
[11:15:33] <Loetmichel> hrhr
[11:15:40] <DJ9DJ> lol
[11:15:59] <Loetmichel> hrhr, that would be a solution also ;-)
[11:20:36] * jthornton tries to come up with a logical solution to how to calculate number of passes for facing
[11:25:51] <jthornton> so if depth of cut is less than 1/2 total depth, divide total depth in 1/2 or make one cut at doc and one at finial depth?
[11:26:16] <jthornton> final
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[11:39:58] <Loetmichel> jthornton: make a rule that hte last cut shouldnt be smaller than the radius on your tool
[11:40:18] <Loetmichel> so it still CUTS and doesent "scrape"
[11:40:34] <jthornton> this is a facing Op for a mill
[11:40:47] <Loetmichel> so?
[11:41:23] <Loetmichel> the tool has a minimum cutting depth after that it will grind rahter than cut.
[11:41:44] <Loetmichel> or do your tools have razor sharp edges?
[11:41:48] <jthornton> hmm, I've never seen a minimum cutting dept for a tool
[11:43:19] <Loetmichel> which kind of facing tools do you use?
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[11:43:55] <jthornton> it varies could be end mills, insert end mill, facing mill just depends on the job
[11:44:06] <jthornton> I don't want to get real complicated with this
[11:44:06] <Loetmichel> hmmm
[11:44:22] <Loetmichel> i meant: tungsten inserts or massive?
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[11:45:03] <jthornton> none of my machines have massive anything, biggest is 3" diameter
[11:45:04] <Loetmichel> tungsten inserts tend to have small radii on the cuting edges, in the range of about 0,05mm or so
[11:45:21] <Loetmichel> so these should have a cutting depth of at least the double
[11:45:49] <Loetmichel> with small end mills that are razor sharp : dont bother
[11:46:28] <jthornton> so a general solution would be to divide the cuts up to be even rather than have the last cut less
[11:46:42] <Loetmichel> i would think so
[11:47:33] <jthornton> thanks
[11:47:48] <jthornton> time for a mountain bike ride
[11:48:38] <archivist_herron> effort--
[11:49:45] <jthornton> I'm doing the short route this morning so just 30 minutes to get the blood flowing and the heart pumping
[11:50:10] <DJ9DJ> have fun!
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[12:09:30] <Tom_itx> jthornton, are you saving .005-.020 for a final pass?
[12:12:16] <Tom_itx> good to minimize tool deflection etc for a nice smooth finish
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[13:43:18] <JT-Shop> Tom_itx: I had not thought about that, but I thought a skim pass did not give a good finish
[13:43:48] <Jymmm> For what it is (post surgery to accept protected 18650's), I'm loving this thing: http://intl-outdoor.com/2usb-mobile-device-charger-318650-xml2-sideswitch-flashlight-p-741.html
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[14:01:53] <tjtr33> wench seen Jon Elson
[14:02:18] <tjtr33> hmm not a command or the wench is out
[14:02:29] <archivist_herron> syntax is !seen nick
[14:02:38] <tjtr33> thx
[14:02:57] <archivist_herron> !seen tjtr33
[14:02:58] <the_wench> last seen in #linuxcnc 2013-10-04 15:02:38GMT 00:00:19 ago, saying thx
[14:03:07] <tjtr33> !seen jelson
[14:03:08] <the_wench> Never heard of the entity jelson you ask for
[14:05:10] <tjtr33> Jon's doing a linuxcnc presentation at local ASME chapter tomorrow. no schedule available :(
[14:06:07] <tjtr33> oh well, go early, grab the high ground and stay alert :)
[14:06:20] <archivist_herron> I would ask on the list where he posted the message
[14:06:38] <tjtr33> yep, thx
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[14:07:30] <archivist_herron> he did say in that message I will give a talk about history and capabilities of LinuxCNC
[14:07:30] <archivist_herron> at 10:30 AM, but will have the mill set up all day.
[14:07:53] <archivist_herron> and stick around for that answer :)
[14:08:04] <Jymmm> I hate when that happens
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[14:09:59] <tjtr33> Jon's talk at 10:30 am
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[14:34:58] <WalterN> JT-Shop: went you the one that built an anodizing station?
[14:35:09] <JT-Shop> building
[14:35:31] <WalterN> still doing it.. alright :3
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[14:35:54] <JT-Shop> on hold while I catch up with orders for other things
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[14:36:11] <WalterN> what was the pump you bought to mix the acid water around?
[14:36:26] <WalterN> I think I'll probably buy one myself
[14:37:20] <JT-Shop> zoro tools g1927922
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[14:38:40] <JT-Shop> I think it is a Grainger branded pump but cheaper from zoro
[14:39:01] <WalterN> $221
[14:39:03] <WalterN> yeah
[14:40:41] <WalterN> from a shops point of view, are there any special things that need to be done legally for something like the acid?
[14:40:56] <WalterN> heh
[14:41:18] <WalterN> probably need a strong bag of base close by
[14:43:00] <JT-Shop> nope it is a Little Giant pump
[14:43:32] <JT-Shop> mix a lot of baking soda in the acid till ph is 7 then dump in the drain
[14:43:58] <WalterN> baking soda is not a very strong base
[14:44:08] <JT-Shop> it's cheap
[14:44:15] <WalterN> hmm
[14:44:25] <JT-Shop> and you can get it from the grocery store
[14:45:04] <JT-Shop> took about $15 worth to neutralize a 5 gallon 50/50 mix
[14:45:32] <archivist_herron> one thing is to avoid rusting your best machines nearby
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[14:45:55] <JT-Shop> yea, you want to do anodizing in a shed
[14:47:22] <archivist_herron> ex boss mixed up a new batch of some evil brass cleaning solution and we had rusty lathes on the monday after
[14:47:54] <archivist_herron> mix of nitric and sulfuric iirc
[14:48:22] <JT-Shop> yikes
[14:48:46] <JT-Shop> that's another reason to use a pump to circulate the acid instead of air
[14:48:57] <archivist_herron> on the plus side, one does not catch the common cold while in an anodising atmosphere :)
[14:49:33] <WalterN> heh
[14:50:24] <archivist_herron> I worked at an industrial anodising company way back in the 1970's
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[14:56:40] <WalterN> JT-Shop: are you using plastic containers or stainless steel for the anodizing pool?
[14:56:57] <skunkworks> http://www.youtube.com/watch?v=yrTDBW6q7Xg
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[14:58:44] <WalterN> anyway, I'm going to work
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[14:59:54] <jthornton> plastic
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[15:09:53] <jthornton> see you guys Sunday
[15:12:18] <`Nerobro_> archivist, chemically a very dirty place. Biologically, very clean. :-)
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[15:25:09] <tjtr33> re: ASME meet in Wheaton Illinois. a chairperson replies, 'there is no published schedule of events.'
[15:25:09] <tjtr33> The singular entry for Jon's Linuxcnc talk is at 10:30 am. without a _schedule_, there's no way to resolve conflicts with other events.
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[16:23:54] <jp_mill> archivist: got the pulley mounted on the screw. just bought a new length of acme and machined the end proper
[16:24:13] <archivist> good
[16:25:13] <jp_mill> i thought those import mills would of had some chinglish version of an acme. turns out it was standard 7/8"
[16:26:01] <archivist> sometimes they copy all the original, except for the added sloppyness
[16:26:38] <jp_mill> yeah you never know what gets lost in translation
[16:27:09] <archivist> one in here got a very out of square column
[16:27:19] <jp_mill> mind you if it was my mill i would just toss the acme for ball screws
[16:28:51] <jp_mill> i'd almost expect that
[16:30:26] <archivist> more and more I am convinced of the use old iron and upgrade it
[16:33:55] <Tom_itx> yeah, i doubt if most shops would bother rebuilding them rather just buy a new macine
[16:34:47] <jp_mill> now and days it's a lot easier to do that
[16:34:55] <Tom_itx> couple days down time swapping them out and back in business
[16:35:10] <jp_mill> when my fanuc dies it will get converted to lcnc
[16:35:56] <jp_mill> I almost want to do it now
[16:37:05] <jp_mill> no macro B, small memory, tool changer logic is messed
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[16:56:12] <IchGuckLive> Hi all B)
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[17:19:09] <IchGuckLive> jp_mill: fanuc may never die
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[17:24:50] <jp_mill> yeah i know some fanuc 6 controls still going strong
[17:25:37] <IchGuckLive> i got a company here with about 50+ fanuc 11 and they mill mill mill
[17:26:19] <jp_mill> although one day mine may kick the bucket due to the phase converter
[17:27:48] <IchGuckLive> there are cheep parts of this on the maket no need to change control on that
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[17:28:33] <jp_mill> well ther is a need if you want features you just cant get on the old controls.
[17:30:03] <jp_mill> PMC logic changes a a PITA as well
[17:30:21] <jp_mill> are a^
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[17:30:56] <IchGuckLive> agree
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[17:32:27] <jp_mill> I always get a coustomer asking can we do that (on an old Fanuc)? and the answer usually ends up yes but. damm PMC
[17:33:06] <IchGuckLive> its just g-code
[17:33:22] <IchGuckLive> you are the factor to get the part done
[17:33:29] <IchGuckLive> not the mashine
[17:33:38] <jp_mill> no the ladder logic in the controller
[17:34:36] <IchGuckLive> ladder logic does not act on part axis priceson
[17:34:53] <jp_mill> I know
[17:35:27] <Tom_itx> IchGuckLive what is your native language
[17:35:27] <Tom_itx> ?
[17:35:38] <jp_mill> my point was the old controls are cumbersome when you need to change functionality the the original MTB did not include
[17:37:37] <Tom_itx> and expensive
[17:38:17] <IchGuckLive> Tom_itx: im Us boarn but live in Germany
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[17:50:45] <IchGuckLive> Loetmichel: das radarbild sieht schlimm aus wird ne heise nacht werdeen !
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[18:13:07] <IchGuckLive> im off by
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[18:51:11] <andypugh> I think I needed a bigger angle plate: https://picasaweb.google.com/lh/photo/6cLmi75Noc5E1gTSJz_bj9MTjNZETYmyPJy0liipFm0?feat=directlink
[18:51:56] <andypugh> It's quite lucky that my 123 blocks have the same thread as my hold-down set.
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[18:57:09] <skunkworks> looks like a M.C. Escher drawing...
[19:00:47] <skunkworks> andypugh, what are you making?
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[19:02:26] <andypugh> It's the end-plate/support for my milling machine.
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[19:05:24] <andypugh> If you watch the first few seconds of: http://www.youtube.com/watch?v=X0celdfZmkA
[19:05:55] <andypugh> You see that the table leadscrews is just hanging out in the breeze, and that coolant wil run straight out the ends of the T-slots.
[19:08:06] <Loetmichel> hmmm somehow the x axis sounds a bit "rusty"
[19:08:18] <Loetmichel> like a loose chain and sprocket
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[19:09:54] <Tom_itx> andypugh, drill a coolant drain in the rear and plug the end T slots with neoprene
[19:10:12] <andypugh> The camera makes it sound funny. It doesn't sound like that in real life, and there _are_ no chains and sprockets.
[19:10:21] <Tom_itx> then the coolant drain will plug up with shavings :D
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[19:10:53] <Connor> not seeing the coolant
[19:11:17] <Tom_itx> i think it was more for visual effects
[19:11:17] <Connor> I see the ballscrew flapping in the breeze..
[19:11:32] <Tom_itx> the coolant is obviously not on there
[19:11:59] <andypugh> The end-bracket will also incorporate a tool tightening and length measuring fixture (whick is why I have gone to the trouble of having a casting made)
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[19:13:08] <andypugh> Though making the tool-tightening socket is going to be an interesting exercise in taper-boring ;-)
[19:13:12] <Tom_itx> are you doing the castings?
[19:13:37] <andypugh> The casting is already made...
[19:13:52] <Tom_itx> did you make the front one?
[19:14:20] <Tom_itx> for the Y servo
[19:14:35] <andypugh> Both: https://picasaweb.google.com/lh/photo/15RdNsAOqS5YQYhRS5zPltMTjNZETYmyPJy0liipFm0?feat=directlink
[19:15:12] <Tom_itx> foam?
[19:15:22] <andypugh> https://picasaweb.google.com/lh/photo/LcJ0c7JzGi1VAI-kJZaactMTjNZETYmyPJy0liipFm0?feat=directlink
[19:15:56] <andypugh> Ah, sorry. I am not actually doing the casting myself, I know a man who knows a man who has a foundry.
[19:16:35] <Tom_itx> aluminum or cast?
[19:16:41] <andypugh> They cost me £20 to £30 each. In Iron.
[19:16:47] <Tom_itx> ahh
[19:16:50] <Tom_itx> iron
[19:17:23] <Tom_itx> i like the ikea light
[19:17:26] <skunkworks> Dad checked around here a few years ago - and iron casting wasn't too bad - like $5 a pound or something like that.
[19:17:51] <andypugh> It's cheaper than buying a block of material and milling it, most of the time.
[19:18:19] <Tom_itx> machine time would probably be similar
[19:26:06] <Connor> andypugh: Are you turning the Ball screw in this picture? https://picasaweb.google.com/lh/photo/15RdNsAOqS5YQYhRS5zPltMTjNZETYmyPJy0liipFm0?feat=directlink I can't tell what's going on..
[19:27:54] <andypugh> I turn the Y Screw, but on the X I turn the nut.
[19:28:31] <andypugh> Using a rather special hollow pulley, that I had to make myself :-)
[19:28:31] <Connor> In that picture looks like the nut might be turning..Hard to tell..
[19:29:41] <andypugh> I quite like rotating-nut arrangments.
[19:29:48] <andypugh> The Z is rotating-nut too.
[19:30:20] <Connor> so, in that video.. where the screw is flapping.. where is it attached to the table ?
[19:30:24] <andypugh> https://picasaweb.google.com/lh/photo/KZ74w9eyFZzsWCbjBZy5eNMTjNZETYmyPJy0liipFm0?feat=directlink
[19:30:33] <andypugh> On the other end.
[19:31:21] <Connor> http://www.youtube.com/watch?v=X0celdfZmkA
[19:31:30] <andypugh> I have replaced the original bush in the handle-end bracket with a Trantorque bush, so I can tighten it to have a very rigid ballscrew couping, or loosen it and insert a handle to work the machine by hand.
[19:31:37] <Connor> In this one? Must be on the outside then I guess.
[19:32:06] <Connor> okay.. Never mind.. I see now.. at the end of the video.
[19:32:08] <andypugh> Sorry, that last picture was of my Z axis.
[19:32:45] <Connor> I guess that does keep from having to support the servo on the end of the table and make things more compact..
[19:33:05] <Connor> nice looking machine.
[19:33:11] <andypugh> Indeed. And saves some flex in the cables.
[19:33:22] <andypugh> It's a nice size for hobby use.
[19:34:15] <andypugh> And being Universal, it also makes a nice gear hobber.
[19:34:37] <andypugh> A hobby-hobber, in fact ;-)
[19:34:37] <Connor> universal ?
[19:34:57] <andypugh> There is a horizontal spindle too, and the table swings.
[19:35:20] <Connor> oh okay.
[19:35:44] <andypugh> This is the same machine: http://www.youtube.com/watch?v=PFTHY5U8v-U
[19:35:54] <Connor> I need to get back to working on mine.. not done much in several months.. kinda been overwhelmed and a little under..
[19:36:20] <Connor> nice.
[19:37:14] <andypugh> That hob looked a lot smaller on the eBay advert :-)
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[19:46:06] <skunkworks> andypugh, didn't respond to handlewanker?
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[19:49:16] <pcw_home> andypugh: I did figure out the DPLL filter time constant scaling so it could be programmed in mS if desired
[19:49:18] <pcw_home> but dont know what you would do to prevent its being set beyond the end of its range.
[19:51:14] <pcw_home> well I guess you could bound the max reg value to FFFF and whatever mS the hal pin ended up being
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[19:56:52] <andypugh> skunkworks: Was that the guy saying that hobbing gears was a waste of time when you can single-point them?
[20:02:20] <skunkworks> yes
[20:02:31] <skunkworks> and hobbs are too expensive
[20:03:27] <andypugh> I replied, pointing him at Arc-Eurotrade and their £30 hobs. :-)
[20:03:34] <skunkworks> nice!
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[20:04:21] <Einar> You can also use a gear milling cutter for rack. It can cut any by doing several passes with offset both sides of center. It woud tak a bit of trig though.
[20:05:31] <Einar> Maybe this program could help: http://gearotic.com/
[20:05:38] <andypugh> Involute cutters are probably a bit more convenient for racks.
[20:07:40] <Einar> Ahh! There is a page explaining what I mean: http://www.jeffree.co.uk/pages/multi-tooth-gear-cutter.htm
[20:09:00] <Einar> Except with a CNC machine it could do it with a disc type cutter.
[20:10:09] <andypugh> I think that you should get much less pitch error with a hob.
[20:10:20] <Einar> Make cut, move one pitch to one side, cut again, move to the other side, and so on...
[20:11:01] <Einar> A more full form, yes. At least unless doing a lot of passes (takes time).
[20:11:39] <Einar> But as you say: hobs are expensive.
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[20:14:00] <andypugh> On the contrary, I am saying that hobs are cheap ;-)
[20:15:38] <andypugh> My T5 toothed-belt pulley hob paid for itself on the first pulley (and the pulley was of a design that I couldn't have bought anyway0
[20:18:05] `Nerobro_ is now known as `Nerobro
[20:18:47] <Einar> Here's a really good read on a rainy day. (Or better make it a rainy month!) http://www.lehmanns.de/shop/technik/27055251-9783642387456-werkzeugmaschinen-2
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[20:21:37] <Einar> Where do you buy (fairly) cheap hobs?
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[21:02:34] <DJ9DJ> gn8
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[21:08:12] <andypugh> Einar: http://www.arceurotrade.co.uk/Catalogue/Cutting-Tools/Gear-Hobs#HSS-Fine-Pitch-Gear-Hobs--Module-Sizes
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[21:49:57] <kwallace2> andypugh: I tried a low voltage version of a Delon Doubler. It should have been obvious, but I found that the output is DC. Which changes one's plans for a three phase convertor on the output.
[21:50:44] <andypugh> I was feeding an IRAMS module
[21:51:34] <andypugh> But, it should be possible to feed any VFD which has DC bus terminals.
[21:51:54] <andypugh> Many of them bring out their DC busses for sharing.
[21:52:27] <andypugh> (and, in fact, many will work fine on DC too, onc past the input rectifiers it is all the same to them)
[21:53:59] <kwallace2> I found some chatter on an EV forum that says some VFD's use some of the AC for the logic power supply, so a different supply needs to be installed if needed.
[21:56:09] <kwallace2> They also replace the output power devices to get twice the power or more.
[21:58:37] <andypugh> So they have a small transformer to create the logiv voltage?
[21:59:26] <andypugh> In that case a _small_ transformer on the relevant input phases, plus a lot of DC in the other ones ought to work.
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[22:00:07] <kwallace2> Some sort of separate power supply. It doesn't really matter how you get it.
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[22:09:43] <kwallace2> andypugh: Yes, as you said, you only need AC on two appropriate legs, but the Delon doesn't have any AC. It should not be too hard to figure out what the VFD wants and make it, ... maybe.
[22:11:10] <andypugh> If it only needs enough AC to satisfy the logic, and the caps are kept full by a CD supply on another leg, then a very small transformer would probably work.
[22:11:25] <andypugh> That does require you to understand the input circuit.
[22:12:39] <kwallace2> I need to decide which VFD wants to volunteer.
[22:12:53] <andypugh> Why are B taper chucks so much cheaper than JT taper chucks? It can't only be because the taper I have is JT2?
[22:17:25] <kwallace2> I have no idea. My 1918 mill has a taper which I can't find, so is priceless.
[22:17:52] <andypugh> Any idea what taper?
[22:19:30] <andypugh> In actual fact this JT2 is Rivett taper on the other end (somewhere between MT1 and MT2) for my 608 lathe. Made for my by an enthusiast for $25 each. Very nice, great fit. I am sure he could make you nice tapers too.
[22:20:16] <kwallace2> I looked at it a few years back, so I don't recall the dimensions, but do recall it wasn't close to anything I could find on the web or in my MHb.
[22:21:32] <andypugh> I guess you have seen: http://www.tools-n-gizmos.com/specs/Tapers.html
[22:21:45] <kwallace2> Once I get around to working on the mill I plan on making a tool post grinder, so I can make the tapers I need.
[22:22:16] <andypugh> I get the impression that Cecil can make them be measuring a sample. The ones he made me are absolutely spot-on.
[22:22:41] <kwallace2> Yeh, I refer to Gizmos fairly often.
[22:22:58] <andypugh> Rivett taper is not there.
[22:23:43] <andypugh> http://www.deprecision.com/RivettLathe.com/images/TailstockTaper.jpg
[22:27:35] <kwallace2> This is a close a picture as I have right now, but it's the taper on the tool holder in the spindle: http://www.wallacecompany.com/machine_shop/Std_Engr_Works/sew_00026-1a.jpg
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[22:29:05] <andypugh> That looks very, err, classic.
[22:30:10] <andypugh> Any idea who made it?
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[22:33:01] <kwallace2> Cope has a short entry in this book: http://www.amazon.com/American-Milling-Machines-Kenneth-Cope/dp/1931626243/ref=la_B001JOUCS6_1_12?s=books&ie=UTF8&qid=1380925927&sr=1-12
[22:33:48] <kwallace2> I basically has this ad and the years in business: http://www.wallacecompany.com/machine_shop/Std_Engr_Works/Standard_Engineering_Works_Ad-2a.png
[22:33:57] <kwallace2> It
[22:34:48] <kwallace2> I'm also planning to scale the image and try to reproduce the pulleys.
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[22:36:33] <andypugh> I am currently having pulleys made for my Rivett. The foundry is wanting £50 for a 3-step 10" pulley.
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[22:39:33] <JayBeAre> can anyone asnwer this question: "does linuxcnc stepconf ignore limits and emergency stop when testing axis?"
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[22:43:20] <JayBeAre> because steppers are running,... but when activating the switches nothing happens, so now i am doubting the correct pin-out connections on the parallel port
[22:43:49] <kwallace2> I have only used Stepconf a couple of times, so I don't really know, but I suspect that Stepconf only runs through HAL so probably only makes steps and has very little other logic.
[22:44:17] <andypugh> Yes, it does. Axis test only sends steps. No enables, no e-stop. It tests only the axis.
[22:44:54] <JayBeAre> aaaahh,.... thank you so much for confirming my suspicions
[22:45:08] <JayBeAre> geez,.. i have been wondering and puzzling
[22:45:38] <andypugh> Which is likely to be exactly what you want at that point of configuring the machine.
[22:46:22] <JayBeAre> indeed!
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[22:49:22] <JayBeAre> thanks for responding guys! i'll continue configuring now
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[22:55:06] <andypugh> That's why we hang out here, to answer questions, or ask them.
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[23:02:30] <JayBeAre> :)
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