#emc | Logs for 2011-06-03

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[00:10:04] <JT-Shop> 4 down 2 to go
[00:12:15] <Jymmm> football?
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[00:13:25] <Jymmm> SWPadnos: Hey, did you get new service?
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[00:14:10] <SWPadnos_> Jymmm, I've had it since some time in January
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[00:14:21] <Jymmm> SWPadnos: better than the old?
[00:14:25] <Jymmm> SWPadnos: better than the old?
[00:14:27] <SWPadnos_> most of the time
[00:14:38] <Jymmm> SWPadnos: faster?
[00:14:43] <SWPadnos_> I get ~57 Mb/s downloads and ~9Mb/s uploads
[00:15:00] <SWPadnos_> but it seems to drop connections from time to time :)
[00:15:10] <Jymmm> SWPadnos: Ah, PPPoE ?
[00:15:31] <SWPadnos_> err, could be. it's cable though, so at some point it's not "oE"
[00:16:07] <Jymmm> SWPadnos: Well if they are using authentication, you might chekc the MTU, that cna lead to drops
[00:16:17] <Jymmm> bbiab
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[00:16:54] <SWPadnos> shouldn't be. it's a Comcast business class router between me and the intarweb
[00:17:02] <jcizek> JT-Shop: You around this evening John?
[00:17:07] <SWPadnos> I'll check it some time though. bbl myself
[00:19:08] <skunkworks> logger[mah]
[00:19:08] <logger[mah]> skunkworks: Log stored at http://emc.mah.priv.at/irc/%23emc/2011-06-03.html
[00:22:36] <jcizek> Can anyone help point me in the right direction with a question regarding subroutines in gcode?
[00:22:43] <JT-Shop> garage door panels
[00:23:00] <JT-Shop> 5 down 1 to go
[00:23:05] <JT-Shop> jcizek: just post the question
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[00:24:18] <jcizek> Getting a 'Unable to open file <touchoff>' when I run my gcode. I generated it with your scpost file, have modified the touchoff.ngc to suit my specs. Am i missing a path or something?
[00:24:58] <JT-Shop> in 2.4 make sure it is in nc_files
[00:25:17] <jcizek> kinda figured there was a magic place for it to live :-)
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[00:26:15] * JT-Shop is a tired puppy and melts into the house for dinner
[00:26:23] <jcizek> jt-shop: nice... it loaded this time... After a week of getting this config working, it's time to try a run!
[00:26:30] <jcizek> Thaks for all yrou help!
[00:28:05] <jcizek> hmm, well that was short lived :)
[00:34:52] <jcizek> JT-Shop: know your at dinner, but if you see this later, I seem to have run into an issue with your SC post file.. each time the torch moves, it raises the entire Z plane by the Z float distance... hence, at 7 cuts, my design is now 7" high and exceeding Z travel limits! Am I doing something wrong?
[00:37:18] <jcizek> maybe not the SC post, maybe the touchoff.ngc the more i look at it..
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[01:57:32] <Roguish> hey all. is PYVCP being deprecated in favor of GLADEVCP?
[01:58:49] <cradek> not in 2.5.x
[01:58:57] <cradek> I can't predict any further in the future
[02:01:23] <Roguish> cradek: thanks for the reply. i just don't see too much new in the docs. definitely seems like glade is being pushed.
[02:01:59] <Roguish> and heck, i'm not a programmer and it looks like the gladevcp takes significantly more programming than pyvcp.
[02:02:17] <Roguish> i'm going to try though.
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[15:37:04] <The_Ball> any ideas on where to get a cheap 240V 12A DC motor dumb drive/amp?
[15:37:20] <The_Ball> for a big treadmill motor
[15:42:38] <skunkworks> http://cgi.ebay.com/AMC-brushless-servo-amplifier-BE25A20E-/310165227459?pt=BI_Control_Systems_PLCs&hash=item483749c7c3
[15:42:49] <skunkworks> oh - 240.. that is only 200
[15:43:09] <skunkworks> 25a peek - 12.5a cont
[15:44:24] <skunkworks> http://cgi.ebay.com/AMC-Brushless-Servo-Amplifier-B30A40-NEW-advanced-/310285281070?pt=LH_DefaultDomain_2&hash=item483e71a72e
[15:44:34] <skunkworks> little more spendy but 400v 30a peak
[15:44:40] <The_Ball> skunkworks, that's a brushless, this is a DC not BLDC :)
[15:45:42] <skunkworks> the b and be ones can be configured to run brushed servos
[15:45:56] <The_Ball> oh..
[15:46:02] <skunkworks> (take a look at the manuals on emc's site
[15:46:10] <skunkworks> *amc... heh
[15:46:28] <The_Ball> cheers
[15:48:17] <skunkworks> these are +/-10 input
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[15:53:02] <The_Ball> sweet, might build a custom h-bridge with pwm from the mesa card though, this is just for speed control for the lath
[15:53:07] <The_Ball> s/lath/lathe
[15:53:58] <The_Ball> $300+ is a bit steep for speed control on the lathe ;)
[15:54:15] <anonimasu> that's pretty normal
[15:54:24] <anonimasu> I got quoted 680 euros for one
[15:56:06] <The_Ball> auch
[15:56:17] <anonimasu> but that was for a vector one with positioning
[16:00:08] <Aero-Tec> what is the best IRC client to use?
[16:00:26] <Aero-Tec> I am using chatzilla now
[16:00:42] <Aero-Tec> but thought there may be a better on to use
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[16:09:30] <willburrrr2003> Well, went to the download page of linuxcnc.org, clicked on the download link in the box that said emc release 2.4.6....downloaded the cd, and installed it. But when I an emc, the verson said 2.4.3.... is the link not pointing to the riht file?
[16:09:41] <cradek> willburrrr2003: run the updates
[16:10:16] <willburrrr2003> Ok, I will et it up with a net connection tonight and give that a try
[16:12:05] <willburrrr2003> 2.4.6 fixes a bug with the reloading of the tool table.... I'm thinking that is part of the problem I was experiencing with my tool offsets the other night
[16:14:24] <willburrrr2003> when I touched them off they were set about 0.6ish, when I reloaded the tool table they were 6.5ish and causing a major tool jump on screen
[16:35:33] <skunkworks> http://www.youtube.com/watch?v=kw9vtsyJhsg
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[16:49:10] <mrsunshine> hmm on a mill, the oil channels for the dove tails etc should be in the upper parts right? :)
[16:49:33] <cradek> I doubt it matters
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[17:33:08] <IchGuckLive> Hi all
[17:37:32] <willburrrr2003> Hi
[17:39:08] <IchGuckLive> hi
[17:39:27] <IchGuckLive> the full production today -> http://www.pictureupload.de/originals/pictures/030611193848_EMC2-Pendant_v1_all_pcb.png
[17:40:13] <IchGuckLive> i rerouted all did all optimizatian in the G-code and millt it on the mini 6by6inch
[17:40:36] <Anthro> nice, you using an endmill or a V shaped bit ?
[17:40:46] <IchGuckLive> V
[17:40:52] <IchGuckLive> 0.2mm
[17:41:05] <Anthro> angle?
[17:41:11] <IchGuckLive> 60
[17:41:25] <IchGuckLive> its a 0.6mm path
[17:42:13] <IchGuckLive> i mill 0.3mm depth
[17:42:51] <Anthro> ok, how much overlap between passes?
[17:43:23] <IchGuckLive> the routing is on 30mil of eagle times 0.0254 mm
[17:43:49] <mrsunshine> is grade 1 good enough as a plane surface ? ... (master surface)
[17:43:49] <IchGuckLive> 0,762mm
[17:43:56] <mrsunshine> 12um accuracy
[17:44:50] <IchGuckLive> the path is 50mil big and 40 mil lowest
[17:45:43] <Anthro> ok and what was the 30mil then ?
[17:46:01] <Anthro> your grid for your teaces?
[17:46:06] <Anthro> *traces
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[17:47:08] <IchGuckLive> sorry for my bad eng understanding the Signal With is 40 lowest and 50 max the isolation is 30 mil
[17:47:26] <IchGuckLive> the Autorouter grid is 2mil
[17:47:36] <syyl> hm
[17:47:37] <syyl> http://dl.dropbox.com/u/24396704/CIMG0683.JPG
[17:47:46] <syyl> starts to look like something :d
[17:47:48] <IchGuckLive> its all autorouted nothing manuell
[17:48:23] <Anthro> ah ok
[17:48:39] <IchGuckLive> syyl: dont forget a cooling tuneel
[17:49:00] <anonimasu> does autoruouted stuff produce ok boards?
[17:49:01] <syyl> yeah
[17:49:02] <IchGuckLive> Connor:
[17:49:41] <Anthro> depends on your application
[17:49:44] <anonimasu> mrsunshine: well, depends on what you want to do
[17:49:47] <anonimasu> :)
[17:49:55] <mrsunshine> fix my ways on the chinese mill :P
[17:50:03] <mrsunshine> aka learn scraping =)
[17:50:17] <Anthro> but looking at the simplicity of the PCB and the thickness of the traces i think this is a low speed design
[17:50:20] <anonimasu> mrsunshine: your dining plates will work for making it better
[17:50:28] <mrsunshine> haha :P
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[17:50:50] <mrsunshine> yeah i guess, just used some homemade bluing on them on a sheet of glass and well, its bad ... real bad =)
[17:51:06] <anonimasu> scraping is easy
[17:51:12] <IchGuckLive> the overall is to give all EMC users with all kiind of Chees routers the posibilyti to make his own Pendant
[17:51:13] <anonimasu> tho, the hard part is sharpening the scrapers
[17:51:25] <syyl> thats not to hard
[17:51:32] <syyl> mh
[17:51:35] <anonimasu> that's my big problem
[17:51:38] <syyl> when you want to learn scraping
[17:51:43] <anonimasu> tho, I think I'll go for a carbide one instead soon
[17:51:47] <syyl> watch the videos of muellernick on youtube :)
[17:51:51] <anonimasu> amazing work
[17:52:05] <syyl> his workshop is only 100km away from here :)
[17:52:12] <syyl> i visit him every few weeks
[17:52:14] <Anthro> how is your tool life on 0.3mm deep cuts IchGuckLive
[17:52:37] <IchGuckLive> about this abound of milling
[17:52:48] <Anthro> I dont like hitting that FR-4 material too much
[17:53:04] <The_Ball> IchGuckLive, looks great, do you have any pictures of the prototype?
[17:53:12] <IchGuckLive> no cost's for resharping here so no factor
[17:53:35] <Anthro> thats nice :)
[17:53:37] <IchGuckLive> The_Ball: im going to do al over
[17:53:48] <Anthro> you drill first then mill ? or first mill the drill ?
[17:54:19] <The_Ball> I mill, spot drill with the same bit at the end 0.3mm before changing to drills
[17:54:59] <Anthro> ok so you only drill in the fiberglass and not in the copper
[17:55:26] <Anthro> right ?
[17:55:29] <The_Ball> no more as a stable start point so the drill will not wander off center
[17:55:39] <The_Ball> gives you a perfectly centered hole
[17:56:03] <Anthro> i sometimes have problems with the copper delaminating or leaving burrs
[17:56:22] <IchGuckLive> The_Ball: http://www.pictureupload.de/originals/pictures/300511201711_box_v3.jpg
[17:56:25] <Anthro> at the bottom side (i do double sided)
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[17:56:28] <IchGuckLive> prototype
[17:57:22] <Anthro> its a jog controller or what am i looking at?
[17:58:08] <IchGuckLive> the European standart prototype EMC2 Pendant
[17:58:24] <IchGuckLive> Connor: will make a USA one
[17:58:46] <IchGuckLive> so all parts comming from one supplyer kosts under 80Euros
[17:59:09] <IchGuckLive> and everyone can do this on its own we will present everything
[17:59:19] <Anthro> nice
[17:59:21] <IchGuckLive> including all and Howto
[17:59:34] <Anthro> what interface towards EMC ?
[17:59:46] <IchGuckLive> Arduino PyVCP
[18:00:03] <IchGuckLive> USB
[18:00:12] <Anthro> nice
[18:01:27] <Anthro> you have a link to the schematics of the device?
[18:02:14] <IchGuckLive> if you sent me in the querry your emal i will male it to you but we are still in the DEV state
[18:03:00] <willburrrr2003> nice looking pendand/jog controller :D
[18:03:45] <Anthro> im an electronics engineer so if you want me to look at some things just ask
[18:09:27] <IchGuckLive> no it shout work propper this way
[18:09:44] <IchGuckLive> but thanks
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[18:11:27] <IchGuckLive> the main problem is to keep the main loop as short as posible within 10ms
[18:11:39] <IchGuckLive> both way communication
[18:11:59] <IchGuckLive> to get a workiing jog weehl rate
[18:12:37] <IchGuckLive> Anthro: files arived ?
[18:12:48] <Anthro> yes they just came in, what version of eagle are you using ?
[18:13:03] <IchGuckLive> its the new freeware
[18:13:35] <Anthro> ok ill have to dl that. i have a licensed 4.16r but that doesnt open 5.x verison files
[18:13:43] <IchGuckLive> i shoudt better have done this in 4.16
[18:14:15] <IchGuckLive> this is the most popullar to all out ther
[18:14:51] <Anthro> if it fits the freeware limitation of 100x80mm then i think everyone should be ok
[18:15:03] <IchGuckLive> it does
[18:15:13] <Anthro> you can have multiple versions installed at the same time
[18:15:21] <IchGuckLive> thats the guess of all keep everything free and available
[18:15:42] <IchGuckLive> Bopla Hand hald are also available in the usa
[18:17:33] <IchGuckLive> ok by for today till tomorrow
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[18:24:34] <Guest748> hi all
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[19:17:31] <Loetmichel> Hrhrhrhr... Milling from the trunk -> http://www.cyrom.org/cam/
[19:20:10] <mrsunshine> so much to learn, so little time ...
[19:20:11] <mrsunshine> sigh =)
[19:24:07] <mrsunshine> is an indicator that takes 0.01 good enough for most stuff ?
[19:24:37] <andypugh> .01mm or 0.01 furlongs?
[19:25:22] <mrsunshine> mm :P
[19:25:42] <DaViruz> 0.01 feet
[19:25:55] <DaViruz> (mrsunshine is a carpenter)
[19:26:11] <mrsunshine> haha :P
[19:26:18] <mrsunshine> you suck :P
[19:26:42] <DaViruz> i am in fact sucking on a milkshake
[19:26:46] <andypugh> I had the idea a while back of Carpenter's Green to be equivalent to Engineer's Blue. It would probably be based around peas.
[19:27:34] <DaViruz> i love to play jokes on carpenters giving them a dimension in millimeters
[19:27:54] <DaViruz> they only deal in centimeters, and even though it's a simple divide-by-ten they can get very confused
[19:28:43] <andypugh> For some reason Peugeot like to use hectoPascals.. Drives me mad.
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[19:30:09] <DaViruz> i'm in the ventilation business, i get a lot of annoying pressure units
[19:32:38] <DaViruz> i despise the liquid column ones the most
[19:33:37] <andypugh> cubits of soup?
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[19:34:35] <DaViruz> millimeters of mercury or water
[19:34:46] <DaViruz> or worse still, inches of mercury or water..
[19:36:04] <Connor> Was someone looking for me?
[19:41:22] <mrsunshine> http://www.piggymadness.com/img/funny/this_month_funny_photo_collection/this_month_funny_photo_collection17.jpg oo i liked that little wrench
[19:41:24] <mrsunshine> need to make one =)
[19:41:35] <mrsunshine> can be very handy =)
[19:41:51] <mrsunshine> and doubles as a nice necklace :P'
[19:42:27] <DaViruz> cute :)
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[19:42:58] <syyl_> i think, i prefer a leatherman on my belt :P
[19:43:00] <mrsunshine> ofc i could hang a small bacho from my neck also :P
[19:43:12] <mrsunshine> wtf is it called in english ?
[19:43:18] <mrsunshine> DaViruz, ? skiftnyckel
[19:43:31] <DaViruz> adjustable wrench
[19:43:42] <DaViruz> skäftnöckel
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[19:44:25] <skunkworks> monkey wrench
[19:44:26] <Jymmm> http://geekswithblogs.net/images/geekswithblogs_net/leesblog/WindowsLiveWriter/ConversationStarterTheToolsDONOTMaketheD_12589/crescent_wrench_2.jpg
[19:44:43] <mrsunshine> crescent my ass!
[19:44:47] <mrsunshine> bacho ... can you say it!
[19:44:54] <Jymmm> nope
[19:44:57] <syyl_> skäftnöckel?
[19:45:00] <skunkworks> I call them crescent wrenches
[19:45:01] <syyl_> :D
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[19:45:31] <skunkworks> http://en.wikipedia.org/wiki/Adjustable_spanner
[19:45:57] <mrsunshine> dont know who wrote the wikipedia page but we do NOT call it "french key"
[19:47:15] <mrsunshine> not swedish key
[19:47:20] <mrsunshine> its a freakin bacho! ;P
[19:47:31] <mrsunshine> atleast thats the name ive used all my life =)
[19:47:41] <DaViruz> syyl_: adjustable wrench in a swedish dialect
[19:47:43] <mrsunshine> or "shift key" but not in english :P
[19:47:45] <Jymmm> mrsunshine: you're a fricken bacho - wth ever that is
[19:48:02] <mrsunshine> Jymmm, i guess it comes from the brand bacho ...
[19:48:18] <mrsunshine> and the only thing people had from that was one of those ;P
[19:48:22] <DaViruz> i've never heard anyone refer to it as a "bahco"
[19:48:24] <andypugh> bahco?
[19:48:27] <DaViruz> but then i'm not from balung
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[19:48:31] <DaViruz> malung
[19:48:47] <mrsunshine> ahh bahco
[19:48:51] <mrsunshine> yeah, my spelling is bad :P
[19:48:58] <andypugh> Sorry, I wasn't questioning DaViruz, I was correcting the spelling
[19:49:06] <syyl_> ah, ok
[19:49:09] <syyl_> in germany its called "franzose"
[19:49:19] <syyl_> direct translatet thats french key
[19:49:46] <DaViruz> it's a swedish invention so we get to name it. nananna
[19:49:47] <Jymmm> mrsunshine: well find a pic and post the link
[19:50:12] <DaViruz> http://2.bp.blogspot.com/_H4QBnzPvKdI/SWiN7g1BdcI/AAAAAAAACDw/GZDdGLctDI0/s320/skiftnyckel.jpg
[19:50:14] <andypugh> We just call it an adjustable spanner, occasionally a moving spanner. I prefer "Precision Nut Corner Removing Tool"
[19:50:18] <mrsunshine> DaViruz, well aparently not, he just improved it :P
[19:50:26] <syyl_> its a swedish invention to round of bolt heads :P
[19:50:39] <mrsunshine> but ofc, we dont believe in wikipedia so ... its a swedish invention =)
[19:50:43] <Jymmm> It's a fricken crestent wrench
[19:50:44] <ds3> so it is a security enhancement device
[19:51:11] <DaViruz> syyl_: it has it's uses
[19:51:20] <syyl_> yeah
[19:51:33] <syyl_> with those //&!!!/(§&/( inch-bolts
[19:51:38] <mrsunshine> handy to have in the traveling toolbox
[19:51:47] <syyl_> i have one in my car-toolbox
[19:51:48] <DaViruz> i have on in my pants
[19:51:54] <DaViruz> wow that didn't come out right at all
[19:52:07] <syyl_> not at all :D
[19:52:13] <syyl_> got a strange picture in my mind
[19:52:26] <Jymmm> DaViruz: nuts a lil loose/tight huh?
[19:52:54] <DaViruz> well i cant fit a whole assortment of spanners in my work clothes
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[19:54:16] <DaViruz> an adjustable one takes care of a lot of situations. for more serious work better tools are more suited
[19:54:22] <andypugh> I used to carry a little one all the time. Then I got one integral to a multi-tool. Then they messed up the law such that having a knife meant straight-to-gaol so I stopped.
[19:54:40] <Jymmm> DaViruz: Um, http://ToolFetish.orgy/
[19:55:06] <DaViruz> sweden has an excemption in the "Knife law" for pocket knives and multi-tools
[19:55:08] <DaViruz> that's nice
[19:55:23] <Jymmm> knife law?
[19:55:46] <mrsunshine> yes, as in you cant carry a knife around if its not in your trade
[19:55:46] <DaViruz> we have a law tect that deals specificalt with "knives and other dangerous objects"
[19:55:55] <DaViruz> text*
[19:56:00] <DaViruz> specifically
[19:56:01] <DaViruz> what the hell!
[19:56:10] <Jymmm> eeeesh
[19:56:14] <DaViruz> eeeeeeeeeeeeeeeeh
[19:56:23] <Jymmm> That's just BS
[19:56:43] <andypugh> Yeah, we had, then they brought in a new law about "bladed weapons" so you are OK with a multi-tool unless the cops reckon you are carrying it as a weapon, at which point even nail scissors can mean gaol time. (that is the main problem, there is a mandatory custodial sentence, Magistrate friends of mine are incensed that they can't actually let people off)
[19:56:52] <syyl_> even here in germany we can carry a knife :)
[19:57:05] <DaViruz> andypugh: yeah sounds like our law. intent makes all the difference
[19:57:26] <andypugh> Yeah, and the "Intent" is an argument between you and the cop...
[19:57:32] <DaViruz> if you use your car keys as a weapon they will probably be treated as a knife in the court
[19:57:44] <DaViruz> andypugh: sadly yes
[19:58:08] <DaViruz> walking around with a holstered handgun is ok though ;)
[19:58:20] <Jymmm> DaViruz: seriously?
[19:58:24] <DaViruz> as long as you are on your way to a gun range
[19:58:40] <DaViruz> (also it can't be loaded)
[19:58:48] <Jymmm> oh
[19:58:54] <andypugh> Depending on who/what you are your word might have more weight than the cops. But generally, its unlikely.
[19:59:14] <DaViruz> but if you hit someone with it it's a knife ;)
[19:59:42] <Connor> Not a club?
[19:59:56] <Jymmm> I'll stick with my 4cell mag light =)
[20:00:11] <DaViruz> "knife or other dangerous object" to be exact
[20:00:28] <Jymmm> well, a pencil could be that
[20:00:34] <DaViruz> indeed
[20:00:40] <Jymmm> or a sheet of paper
[20:00:45] <DaViruz> and if you stab someone with it it will be treated as such
[20:00:47] <Jymmm> those paper cuts are nasty!
[20:01:01] <DaViruz> (or the cops thinks you carry it with the intent of stabbing someone)
[20:01:21] <Connor> Yea, Some strange laws here too... Like, your not allowed to saw off a riffle, but you can build a handgun out of a new frame (using a riffle frame etc)
[20:01:45] <DaViruz> all in all, i think our knife and weapon laws are pretty ok
[20:03:12] <DaViruz> Connor: where are your from?
[20:03:24] <Connor> US
[20:03:29] <DaViruz> oh.
[20:03:57] <Connor> If the gun has been registered as a riffle.. you can't saw it off.. but if your building a new one.. and it's never been registered.. then it's okay...
[20:04:00] <Connor> go figgure.
[20:04:39] <DaViruz> you can usually always do as you please as long as you don't tell anyone
[20:04:41] <DaViruz> :)
[20:13:20] <psha> DaViruz: "don't tell anyone" is pretty universal law
[20:13:35] <psha> i guess we here in Russia has same one
[20:13:58] <psha> difference is in what happens when you tell... :)
[20:14:22] <andypugh> I think in the UK it is OK to shorten a rifle, but not a smoothbore (like a shotgun).
[20:15:01] <DaViruz> we have a minimum length here, 450mm for rifles and 480mm for shotguns if i remember correctly
[20:15:02] <andypugh> It's one of those stupid laws brought in to address something that was already illegal, ie "It is illegal to rob a bank, regardless of the length of the shotgun"
[20:15:56] <andypugh> There was a spoof campaign in the UK to bring in a new law "Making it illegal to murder children and bury them in shallow graves in woodland"
[20:15:57] <DaViruz> but if you apply for a permint for a shotgun for competition in "cowboy action shooting" you can shorten it to your hearts content
[20:17:18] <DaViruz> i don't get that idiom coming to think about it
[20:19:59] <Anthro> [21:41] <mrsunshine> http://www.piggymadness.com/img/funny/this_month_funny_photo_collection/this_month_funny_photo_collection17.jpg oo i liked that little wrench
[20:20:03] <Anthro> thats indeed very nice :D
[20:20:58] <andypugh> Actually, that site became an interesting story: http://www.theregister.co.uk/2008/10/01/bringing_nothing/
[20:23:37] <andypugh> Where do I buy one?
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[20:44:02] <willburrrr2003> Last night was very roductive, I cleaned out a room in my garage that was stuffed full with boxes and other things from floor to ceiling....Took several hours, but I know have a machining room :D Tomorrow my mini-lathe will get transfered and all set up in it's new home (H)
[20:44:12] <willburrrr2003> Productive*
[20:47:30] <andypugh> A whole room for a mini-lathe? Mine lived in a cupboard in the kitchen :-)
[20:57:15] <willburrrr2003> currently it is in my bedroom on my desk, was turning own 4" roundstock the other night..and shavings are everywhere in myroom now hehe.... the room is for machining in general, it just starts out wth the mini-lathe I converted to chc, it's control panel and PC, plus desk for prints and such
[20:57:30] <willburrrr2003> cnc*
[20:58:23] <willburrrr2003> not a large room, was my landlords tool room in the garage before i moved in.
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[21:01:31] <archivist_emc> nothing wrong with a lathe in the kitchen :)
[21:03:04] <andypugh> Great for precision carrots and super-spherical sprouts.
[21:03:46] <andypugh> willburrrr2003: Oooh, shavings in the bed sheets... Not ideal.
[21:05:03] <DaViruz> it's disturbing how many people who find that familiar
[21:05:59] <DaViruz> that grammar looks broken
[21:06:29] <syyl_> chips in the bed?
[21:06:34] <syyl_> i have them everywhere :\
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[21:07:28] <andypugh> It's hard to get them out of carpet.
[21:07:28] <willburrrr2003> hehe, they are verywhere, the carpet is the worst part at the moment, shop vac tonight shoul get most of them
[21:07:39] <syyl_> and out of wool socks
[21:07:53] <andypugh> I find out of thumbs to be particularly hard.
[21:08:13] <willburrrr2003> hehe have yet to experience that andy
[21:08:44] <andypugh> Still got a bit in there, I assume it will work its way to the surface eventually.
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[21:13:42] <Anthro> can you suck up aluminium chips with a household vacuum cleaner or will I destroy it
[21:14:51] <andypugh> Depends on the vacuum cleaner. No problem at all with a Dyson as the dirt does not pass through the motor.
[21:15:07] <Anthro> its a bag type
[21:15:39] <Anthro> so if its fine enough it will go through the bag and through the engine
[21:16:00] <andypugh> I though that Wikpedia was meant to explain things: http://en.wikipedia.org/wiki/SL2(R). A sample: "SL(2,R) is the group of all http://en.wikipedia.org/wiki/Linear_transformation of R2 that preserve http://en.wikipedia.org/wiki/Orientation_(mathematics) http://en.wikipedia.org/wiki/Area_(geometry). It is http://en.wikipedia.org/wiki/Group_isomorphism to the http://en.wikipedia.org/wiki/Symplectic_group Sp(2,R) and the genera
[21:16:00] <andypugh> http://en.wikipedia.org/wiki/Special_unitary_group SU(1,1). It is also isomorphic to the group of unit-length http://en.wikipedia.org/wiki/Split-quaternion. The group SL±(2,R) preserves unoriented area: it may reverse orientation."
[21:16:00] <Anthro> but its non ferrous so i would expect it to fly out without harm
[21:16:30] <andypugh> Does the cleaner blow through the bag, or suck through the bag?
[21:16:48] <Anthro> it sucks through
[21:17:00] <andypugh> In that case, no problem at all.
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[21:17:40] <Anthro> ok good, i dont want to upset the misses
[21:17:46] <Anthro> breaking her tools :p
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[21:39:19] <andypugh> I think I have a problem. I am thinking about bidding on another Wohlhaupter boring head, a UPA2 to keep my UPA3 and UPA4 company. (Bear in mind that I have never yet used any of them)
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[21:43:32] <KimK> Having good tools handy is never a problem. What boring range would you be able to cover then, with the three of them?
[21:44:23] <andypugh> The same as I can with the UPA3. They all go down to zero, and the UPA4 won't fit any of my machines.
[21:45:08] <syyl_> the good ol' UPAs :)
[21:45:16] <andypugh> For fun, look at this monster: http://cgi.ebay.co.uk/50-DIA-Wohlhaupter-UPA7-S8-BORING-HEAD-LARGEST-ONE-M-/180671394377
[21:45:21] <syyl_> love it, when i can use our upa 3 at work
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[21:45:47] <syyl_> thats a serious wohlhaupter :)
[21:46:02] <syyl_> when that thing starts spinning, it wont get borring :D
[21:46:07] <andypugh> syyl_: Want a UPA4? Even nicer than the UPA3, but MT4 fixed shank.
[21:46:24] <syyl_> na, my machine at home has mk3
[21:46:25] <syyl_> :\
[21:46:31] <syyl_> looking for a upa2 :)
[21:46:52] <syyl_> but those are realy expencive
[21:46:59] <andypugh> http://cgi.ebay.co.uk/WOHLHAUPTER-BORING-AND-FACING-HEAD-UPA-2-/200613886544
[21:47:24] <syyl_> *expensive
[21:47:36] <syyl_> that price is stil ok
[21:47:38] <andypugh> Cheap, for a UPA2
[21:47:51] <syyl_> but, it will rush up in the last few minutes ;)
[21:48:02] <andypugh> www.snip.pl is your friend
[21:48:20] <syyl_> hehe
[21:48:35] <syyl_> a friend has three upa2...
[21:48:46] <syyl_> and wont sell a single one :/
[21:49:01] <andypugh> Would he swap one for a _lovely_ UPA4?
[21:49:11] <syyl_> hihi
[21:49:33] <andypugh> https://picasaweb.google.com/bodgesoc/Gibbs#5584383602073848802
[21:50:29] <syyl_> nice boring heads
[21:50:49] <syyl_> you know, that the tang on the upa4 can be removed?
[21:50:57] <andypugh> Yes.
[21:51:06] <andypugh> There is an M16 underneath
[21:51:12] <syyl_> yes :)
[21:51:18] <syyl_> many people dont know...
[21:51:23] <andypugh> I also know that MT4 can be machined down to R8
[21:51:35] <syyl_> hehe
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[21:51:59] <syyl_> another friend had a upa3 mit MT4 ground down to MT3
[21:52:08] <syyl_> *with
[21:52:17] <andypugh> A lot of folk don't know that the newer UPA3+ ones have a removable shank, with a really clever system of a grub screw with two different thread pitches.
[21:52:57] <syyl_> with a short taper, right?
[21:52:58] <andypugh> I am going to try to make a BT30 shank for my UPA3
[21:53:09] <syyl_> inside the upa
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[21:54:08] <andypugh> No, it's two pins and a spigot. No taper
[21:55:15] <syyl_> ah ok
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[21:55:40] <andypugh> Do you want to see photos?
[21:55:49] <andypugh> It's rather clever
[21:56:09] <syyl_> if its not to much effort?
[21:56:59] <KimK> Andy, speaking of photos, I just looked at your next photo up, Touchy with a lt.blue/dk.blue theme, is that the 10.04 default? I even see the Gnome foot. I thought Touchy was more colorless, with just a touch of "Ubuntu brown", or am I way behind the times as usual?
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[22:00:51] <andypugh> KimK: I used a different theme with a lot more contrast, because the default theme makes it almost impossible to see which button is pressed.
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[22:03:28] <KimK> Ah, sounds like a good idea. If I ever find myself with a touch screen, I'll be sure to ask you for all the details.
[22:03:48] <Jymmm> https://www.synthetos.com/wiki/index.php?title=Projects:TinyG
[22:04:56] <Jymmm> http://www.flickr.com/photos/rileyporter/4651309872/
[22:06:06] <andypugh> Interesting idea, but why put all the clever stuff on the less-capable CPU when you need a PC anyway?
[22:06:40] <andypugh> Though I guess it could turn out a fair bit cheaper than PC + interface + stepper drives
[22:07:29] <Jymmm> any pc, including mac, no specific pc, no specific I/O card *shrug*
[22:07:43] <andypugh> It does look quite nice.
[22:08:04] <andypugh> (I am trying to avoid being EMC2 partisan here)
[22:08:14] <jdhNC> why?
[22:09:29] <Jymmm> https://www.synthetos.com/wiki/index.php?title=Synthetos.com%27s_Wiki:TinyG-UsingTG:
[22:10:44] <andypugh> syyl_: https://picasaweb.google.com/bodgesoc/Gibbs?pli=1#5614119116650654722 (and folllowing)
[22:11:31] <syyl_> ok, THATS clever
[22:11:37] <syyl_> and pretty simple
[22:12:27] <andypugh> Yeah, not even a left-hand thread, just different. It actually means you get more force per torque
[22:13:05] <Jymmm> Actually here's a nice write up https://www.synthetos.com/blog/what-is-tinyg-and-why/
[22:13:06] <syyl_> my draw bar on the manual mill has also such a differential thread
[22:13:11] <syyl_> to push the tool out
[22:13:47] <andypugh> (You actually screw the fine thread all the way in, then screw down the shank until the pegs nearly touch, then back out the screw to clamp it all into place.
[22:19:58] <Jymmm> andypugh: I just thought it was interesting
[22:20:37] <andypugh> There is a 3-axis Arduino shield. That is also rather intersting.
[22:22:12] <Jymmm> takes gcode directly?
[22:22:22] <andypugh> Not sure.
[22:22:31] <Jymmm> ok
[22:23:02] <Jymmm> BTW, whatever is going around right now... DONT GET IT.... you will feel like utter shit
[22:23:17] <andypugh> My impression is that there is software so that it does, but that you could always code your own. I can imagine tyou could make a rather nice self-contained toolchanger with it, for exampls.
[22:23:42] <Jymmm> Wear a hazmat suit if ya have to!!!
[22:23:58] <andypugh> Only the weak get infections
[22:24:21] <Jymmm> infections yes, not viruses
[22:24:32] <andypugh> viruses are infections.
[22:25:00] <andypugh> (As far as I know, unless there is a subtle semantic difference)
[22:25:33] <andypugh> But my plan for the next week is to be out of sight of land on a boat, that should do the trick.
[22:25:42] <DaViruz> there is not. viral infection or bacterial infection (and a few more), none being any less of an infection
[22:27:05] <Jymmm> dont know dont care jsut dont catch it!
[22:27:10] <andypugh> I guess you can add fungal infection and animal (parasite) infection. Oddly, as far as I know, you never get infected by plants. No nasty cases of Wisteria, or acute Oak.
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[22:27:55] <Jymmm> watch for the snotty ass kid thats touching everything in the produce isle, etc
[22:28:19] <DaViruz> prion infection
[22:28:48] <DaViruz> there is one or two more i can't remember :/
[22:28:53] <Jymmm> or the guy that just sneezed and is now punching in his PIN on the atm pad.
[22:29:27] <DaViruz> as long as it stays away from my digestive system i can manage
[22:29:53] <andypugh> DaViruz: http://en.wikipedia.org/wiki/Infectious_agents suggests also "Viroids"
[22:29:55] <Jymmm> DaViruz: GI, Muscular, chest, head
[22:30:11] <DaViruz> caught a pneumonia a while back, that also sucked
[22:30:35] <Jymmm> DaViruz: My back feels like every fucking muscle is contracted all at the same time!
[22:30:39] <DaViruz> was completely unable to sleep for an entire weekend until i could get a hold of a decent caugh suppressant on monday
[22:30:52] <DaViruz> cough perhaps
[22:31:14] <DaViruz> but then they at least gave me the good stuff
[22:31:20] <Jymmm> DaViruz: Oh, and dont let me cough, or my head explodes like it was hit with a spike from the inside
[22:34:06] <andypugh> Finally, which rhymes with enough --
[22:34:06] <andypugh> Though, through, plough, or dough, or cough?
[22:34:07] <andypugh> Hiccough has the sound of cup.
[22:34:07] <andypugh> My advice is to give up!!!
[22:35:14] <DaViruz> i had no idea hiccough was spelled that way. i usually write hickup :)
[22:35:42] <andypugh> I am very glad I don't need to learn English, it's a stupid language.
[22:36:20] <DaViruz> all languages are
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[22:36:43] <DaViruz> i seem to remember some professor guy who created a perfectly structured language a while back
[22:37:19] <andypugh> There have been many. Including Klingon, Elvish, and Esperanto
[22:37:19] <DaViruz> or at least his sense of perfectly structured.
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[22:39:48] <KimK> Was it George Bernard Shaw that proposed his method of spelling English words as they sound? His famous example was "ghoti". The gh as in enough, (how did the O get in there again?) and the ti as in invention. So ghoti is "obviously" pronounced "fish"!
[22:40:59] <andypugh> I have heard it before, but I am equally unsure of the source
[22:42:10] <skunkworks> andypugh: if I am not using any kind of shielded cable to the resolver cause problems? cable is about 2ft long for testing. (shielded pairs - not even twisted)
[22:42:23] <andypugh> As always, t'internet has opinions: http://en.wikipedia.org/wiki/Ghoti
[22:42:27] <skunkworks> but not high power noice near by
[22:42:32] <skunkworks> noise
[22:42:44] <andypugh> No, I doubt that any steady-state error could be caused by noise.
[22:43:20] <andypugh> You might want to check that the underpaid 3rd-world labour (ie, me) put the right components in the right places.
[22:44:46] <andypugh> Select-right-click-speech-speak gives "fish" :-)
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[22:46:35] <andypugh> KimK: The "O" is as in "women"
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[22:48:02] <KimK> andypugh: OK, that works.
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[22:54:55] <elmo40> so... what can I build with a 3Hp hydraulic motor&pump? shear? press? iron worker?
[22:55:11] <willburrrr2003> managed to get my ubunto to connect to my wireless network, and I can't get it to access the internet, is there a setting I need to change to let it access the internet?
[22:58:02] <ve7it> elmo40, a log splitter?
[22:58:30] <SWPadnos> willburrrr2003, if you had trouble connecting to a wireless network, then something else is likely screwed up
[22:59:21] <SWPadnos> I have connected with no issues at several dozen airports, hotels, and other venues with no problems I can recall (with a laptop, of course, so the hardware was present during the original OS install, in case that matters)
[23:00:01] <willburrrr2003> older version didn't recognize my wireless adapter, new version of ubuntu I downloaded and installed lastnight does..it says it is connected to my network (100%) but web pages don't connect and neither does updater
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[23:01:02] <SWPadnos> right click on the network icon, select "connection information"
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[23:03:27] <SWPadnos> there's a network testing tool available in the system administration menu. you can test whether it's routing or DNS (or both) that's screwed up
[23:03:32] <willburrrr2003> ok, it has ip addresses assigned, says it is 802.1 wireless, but speed is unknown
[23:03:45] <SWPadnos> 802.1?
[23:03:47] <SWPadnos> or .15
[23:03:54] <Anthro> .11 is wifi
[23:03:59] <SWPadnos> err, right
[23:04:08] <SWPadnos> 15 is ZigBee / Bluetooth or something
[23:04:23] <Anthro> yes
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[23:04:32] <Anthro> close ;)
[23:04:33] <robin_sz> evening
[23:04:47] <SWPadnos> at least it's all 2.4 GHz ;)
[23:04:52] <willburrrr2003> 805002
[23:05:03] <SWPadnos> 354652.43
[23:05:04] <SWPadnos> what?
[23:05:23] <willburrrr2003> sorry wrong screen
[23:05:23] <Anthro> no 802.11a is 5GHz as well and .11n also has 5GHz bands
[23:05:39] <SWPadnos> hmmm. I should eat something before I croak. bbiab
[23:05:47] <willburrrr2003> it is 802.11 wifi network
[23:06:43] <Anthro> did you enter the correct passkey willburrrr2003
[23:07:50] <willburrrr2003> it is an open network with no passkey
[23:08:22] <Anthro> did you test with another client? might as well have a problem at the access point
[23:09:21] <willburrrr2003> 3 laptops and 2 phones connect to my wireless just fine, and this pc is connnected to same hub through wired connection
[23:09:42] <andypugh> It's that Robin bloke!
[23:09:46] <willburrrr2003> could be a bad signal strenght to my room....
[23:10:18] <Anthro> are you on widows or linux?
[23:10:23] <Anthro> on the laptop
[23:10:26] <andypugh> elmo40: A device to re-extrude failed reprap parts into useful filiament
[23:11:09] <willburrrr2003> all other units are windows, my lathe pc running ubuntu is first attempt to connect a linux box to the net
[23:11:10] <JT-Shop> willburrrr2003: did you reboot everything 3 times while holding the cat up in the air and tossing the ball to the dog... works for me with my winblows network
[23:11:26] <willburrrr2003> hehehehe
[23:11:26] <DaViruz> i want a machine that re-extrudes antire repraps into useful dental floss
[23:11:35] <JT-Shop> I'm serious
[23:11:57] <willburrrr2003> I booted it, didn't reboot it......may have to kick it again ;)\
[23:12:47] <Anthro> if you are on windows you can install network stumbler
[23:12:48] <andypugh> robin_sz: Clemence Wasabi?
[23:12:55] <JT-Shop> my winblows computer that thinks it is in charge of the router usually has to be rebooted along with the router when things get messed up
[23:13:08] <Anthro> then you can see the SNR of your signal and see if its a signal strength issue
[23:13:38] <Anthro> you dont have MAC filtering on have you ?
[23:13:48] <Anthro> on the accesspoint
[23:14:07] <willburrrr2003> no MAC filtering on
[23:14:37] <willburrrr2003> none of my computers are in control of the router it it standalone unit
[23:15:00] <robin_sz> andypugh ??
[23:15:01] <andypugh> willburrrr2003: I had a heap of trouble too. So much that I have no idea which of the things I did worked. But unplugging and plugging the cable a lot was involved
[23:15:07] <willburrrr2003> how can I check wireless signal with ubuntu?
[23:15:34] <robin_sz> andypugh, guess what im going to look at tommorow ... clue .. it has "Haas" written on the front
[23:15:51] <willburrrr2003> oooohhhhh do tell robin :D
[23:16:03] <andypugh> Still got that robot in Dewsbury?
[23:16:11] <robin_sz> andypugh, yep, saldy
[23:16:19] <robin_sz> fsking thing
[23:16:31] <andypugh> I can find a home for it indefinitely in Huddersfield.
[23:16:48] <robin_sz> feel free
[23:17:21] <robin_sz> I have the software on a disk here and the interconnect cables here
[23:17:24] <Anthro> kismet
[23:17:24] <andypugh> How big is it? COuldit be usefully employed making tea?
[23:17:31] <Anthro> http://www.kismetwireless.net/
[23:17:34] <robin_sz> its *fairly* big
[23:17:51] <robin_sz> Comau Smart S2 I think ... 2m reach ish
[23:18:08] <robin_sz> forklift job to load,unload anyway
[23:18:30] <robin_sz> or something entertaining with ropes and sky hooks
[23:18:45] <robin_sz> let me find a picture of one
[23:19:24] <andypugh> http://www.dipmec.univpm.it/meccanica/uk/laboratori/immagini/Smart.jpg ?
[23:19:48] <robin_sz> http://www.ladispe.polito.it/robotica/labrob/comau_en.html
[23:20:14] <robin_sz> yep, thats it
[23:20:22] <robin_sz> same pendant and control cab
[23:20:32] <robin_sz> got some digital IO too
[23:21:47] <robin_sz> robnot weighs 300kg
[23:21:54] <robin_sz> id say cab is about the same
[23:22:02] <robin_sz> maybe a bit more
[23:22:19] <andypugh> Unfortunately I am sailing tomorrow (and the rest of the week) then I am committed to rebuilding a fire engine, and my dad (who has the Huddersfield workshop) has had a knee replacement so won't be doing heavy lifting. But I might be able to come up with something.
[23:22:25] <robin_sz> technically, its 3 phase, put only at a few amps, a motor-genset would do it
[23:22:38] <robin_sz> well, its only gathering dust
[23:22:47] <robin_sz> saling what?
[23:22:57] <andypugh> Dubois 68
[23:23:02] <robin_sz> oh posh thing
[23:23:13] <andypugh> Fast thing. Not posh at all
[23:23:24] <robin_sz> posher than what I get to sail in ;)
[23:23:42] <andypugh> Do you have doors on the heads?
[23:23:48] <robin_sz> although I did have a pleasant week on a finngulf 39 a wheil ago
[23:24:00] <robin_sz> ok, racer boy
[23:24:25] <robin_sz> a mate of mine has a S&S racer of similar flabour
[23:24:36] <robin_sz> classic yacht, "prospect of whitby"
[23:24:49] <robin_sz> won the round gottland in it last year
[23:24:58] <robin_sz> and still couldnt get a fastnet entry!
[23:25:03] <KimK> willburrrr2003: Did you check the box "Available to All Users" in the lower left corner?
[23:25:56] <robin_sz> so, DaPugh .. Haas VF2, with 4th axis, Rennishaw, masses of toolign and toolholders ...
[23:26:40] <robin_sz> and a blown X axis drive card ($300 from the USA for a new one) ... how much you reckon?
[23:28:24] <andypugh> http://www.cityofculture2013.com/Get-Involved/Clipper2011-2012.aspx (Coming in iunder engine because the mainsail still proudly proclaims "Jamaica")
[23:29:04] <andypugh> For the Haas, 10k sounds fair. You could make a living from it.
[23:29:32] <robin_sz> lower
[23:29:42] <robin_sz> less than half that ;)
[23:30:00] <robin_sz> nice boat, bit "Loud" on the colors!
[23:30:17] <willburrrr2003> KimK: yes I did, moved the antenna around on my bub downstairs and lost connection. thinking it's low signal strength from hub up here
[23:30:22] <willburrrr2003> hub*
[23:30:24] <andypugh> Aye, we are settling on PINK! for the team colours
[23:30:35] <robin_sz> uh huh
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[23:30:56] <KimK> Go Pink, then!
[23:31:05] <andypugh> So, I guess you will be moving into the manufacturing of bespoke racing motorbike parts
[23:31:14] <robin_sz> nah, just to play with
[23:31:42] <robin_sz> too busy with software .. and I tried engineering, it was no fun as a way to make a living
[23:33:21] <willburrrr2003> gonna disconnect this pc from hardline, and try the hardline on my linux box now, back in a bit
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[23:37:22] <jcizek> Hi all, wondering if I can get some insight on some code. http://pastebin.ca/2074343 This subroutine is called where a normal M03 would be. But it's stair stepping. Any help appreciated
[23:39:29] <Anthro> line 9, you gave #1 in absolute coords?
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[23:41:20] <jcizek> it's passed in as a decimal distance (I'm still learning this stuff, it's generated by the CAM post)
[23:41:23] <jcizek> did that makes sense?
[23:41:38] <jcizek> for example, #1 is 0.18 for example
[23:42:17] <KimK> Are lines 1-4 in G90 mode?
[23:43:31] <Anthro> yes you better set G90/91 at the start of a subroutine that to prevent weirdness, unless you exactly know what you're doing :)
[23:43:40] <jcizek> can't remember of hand... heading out to shop to check now..
[23:44:32] <andypugh> I think the G92 belongs straight after the probe.
[23:45:28] <jcizek> I;ve spent the last 3 months trying to master HAL, guess its time to start learnig Gcode now :)
[23:45:48] <jcizek> and maybe how to spell words properly and use good grammar
[23:46:29] <Anthro> yes thats it andypugh, because the G1 move at line 6 will go to an absolute position based on previous Z0 level so your touch off height is 'gone'
[23:46:47] <Anthro> no crap im wrong :D
[23:47:08] <jcizek> I have a G90 at the top of my code, but there is a G92 a few lines before the subroutine is called
[23:47:11] <Anthro> its G91 so relative move
[23:47:21] <KimK> Yes, I think the G90/G91 business is fooling you. Can you use a fixture and G10 L2/L20?
[23:48:42] <KimK> Once you probe, say this is Z x.xxx an be done with it.
[23:48:52] <KimK> s/an/and/
[23:49:23] <jcizek> So how would you handle pierce height in that case?
[23:49:35] <KimK> Then move to desired Z position without using G91
[23:49:48] <andypugh> So, you probe, then move up 1.1in, then call that Z0. That seems, illogical.
[23:50:05] <JT-Shop> jcizek: what do you mean by stair stepping?
[23:50:41] <KimK> I don't know exactly how your probe is set up, but 1) you find metal 2) you know where you are. Done.
[23:50:44] <JT-Shop> andypugh: that makes up for the backlash on the mechanics of the floating plasma torch switch
[23:51:03] <jcizek> well, when I look at the preview window, i can see that the first cut is where it belongs, but the second cut is 1.1" higher Z, the third 2.2" higher etc...
[23:51:15] <JT-Shop> KimK: the torch head has to move up (floats ) and trip the switch it is not a probe
[23:51:17] <jcizek> so over 7 cuts, the Z is almost 8"
[23:51:55] <jcizek> JT-shop: did that make any sense?
[23:52:12] <JT-Shop> after touching off do you run a program and cancel out the offsets with G92.1?
[23:52:23] <andypugh> Step through the code by hand, with pencil and paper. I think you will find the problem.
[23:52:40] <KimK> It's a probe? it's not a probe? Got a line drawing?
[23:52:40] <jcizek> JT: I generated this using your sheetcam post
[23:52:50] <JT-Shop> I think he is not canceling the offsets
[23:52:53] <Anthro> and is parameter #1 correct (ie does it need to be positive or negative)
[23:53:01] <JT-Shop> hmm should have a G92.1 at the end
[23:54:03] <JT-Shop> KimK: the plasma torch head floats and you use a probe move to "find" the top of the material but there is some hysterics in the mechanics
[23:54:30] <JT-Shop> so the torch tip touches and you keep going down till the switch trips then you have to Z up the difference to be at Z0
[23:54:41] <KimK> jcizek: Usually when I have to use G91 for some reason, I'm always careful to return to my starting point before going back to G90. Or make calculations that give the same result.
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[23:54:49] <jcizek> JT-Shop: G92.1 at the end of what?
[23:55:23] <JT-Shop> what G91?
[23:55:38] <JT-Shop> your cut program
[23:56:37] <jcizek> JT-Shop: I think he is referring to the G91 in the touchoff.ngc
[23:56:42] <JT-Shop> this is my X-trim http://pastebin.ca/2074357
[23:56:58] <KimK> JT-Shop: OK, slop in mechanism is OK, when your switch trips you know you're at Z "-0.5", let's say. Does that work?
[23:57:07] <JT-Shop> ok
[23:57:25] <JT-Shop> sure but it works for me now
[23:58:29] <JT-Shop> the G91 is just to move the up by the amount of slop and G90 is right after the move
[23:59:50] <jcizek> Yep, you're right there
[23:59:56] <JT-Shop> KimK: yes you could just as easy say G92 Z-1.1 then G0 Z0