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[01:55:56] <andypugh> Some commercial machines seem less elegant than hobby conversions.
http://www.ebay.co.uk/itm/Matchmaker-cnc-milling-machine-Larger-than-Bridgeport-Needs-a-controller-Project-/190756900654
[01:59:01] <andypugh> This seems to be nearly all headstock, very strange:
http://www.ebay.co.uk/itm/English-Electric-Lathe-/221153064705
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[02:15:43] <t12> weird
[02:16:18] <t12> maybe theres lots of large gearing directly on the spindle
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[02:29:12] <andypugh> It looks very sturdy
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[02:36:49] <r00t4rd3d> http://i.imgur.com/NgsAG.jpg
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[02:43:24] <andypugh> Night all
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[03:04:30] <tjb1> Got the last of the 3 laptops they had
[03:17:58] <ReadError> which laptop?
[03:21:17] <tjb1> http://www.amazon.com/gp/aw/d/B0085RUZ7S
[03:22:13] <ReadError> selling em?
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[03:23:30] <tjb1> ?
[03:24:02] <ReadError> i mean did you get them to sell?
[03:24:07] <ReadError> or just needed 3 laptops
[03:24:17] <tjb1> I only got 1
[03:25:26] <tjb1> I got the last 1 out of the 3 they had
[03:25:53] <ReadError> oh thought you meant the last 3
[03:26:04] <tjb1> No
[03:27:06] <tjb1> This is just gonna be for sheetcam, linuxcnc testing, draftsight, etc...
[03:28:12] <tjb1> Mainly so I dont have to take my mbp into the garage
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[06:48:19] <Loetmichel> mornin'
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[07:49:06] <DJ9DJ> moin
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[12:46:04] <r00t4rd3d> http://i.imgur.com/DYfo4.jpg
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[12:52:46] <mazafaka> r00t4rd3d: this way, Mother Earth says it's okay to watch onto it.
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[15:50:34] <IchGuckLive> Hi all
[15:54:12] <mazafaka> hi
[15:55:14] <pcw_home> Crazy shopping day in US, good time to stay far away from malls
[15:58:10] <IchGuckLive> black friday also here in the US bases Area around Europe
[15:58:54] <IchGuckLive> factory outlat with around 40k parking places packed to the burst
[15:59:07] <pcw_home> Our newspaper was 3/4 advertising
[15:59:32] <IchGuckLive> thats good for the business and Tax
[15:59:57] <IchGuckLive> 2 Turkeys may have survived wars in the News today
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[16:02:43] <pcw_home> we have wild turkeys here (non native, established by fish and game commission on the 1960s)
[16:02:45] <pcw_home> they can become quite a nuisance
[16:03:28] <IchGuckLive> what is the hunting fee
[16:03:56] <pcw_home> Dont know
[16:04:28] <ReadError> these turkeys here
[16:04:36] <ReadError> they stand 5' from the interstate
[16:04:39] <ReadError> eating stuff
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[16:05:23] <IchGuckLive> ReadError: so they are filled already O.O
[16:05:29] <pcw_home> They are native in the east/midwest but not west coast
[16:10:49] <IchGuckLive> im off by til later
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[16:16:12] <awallin> pcw_home: around? I wanted to ask about the latest PCI-E FPGA card. Does that have a linuxcnc driver? How about the SPI extension-board?
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[16:19:52] <mazafaka> guys give me some good article for noob about the differences between steppers and servos (e.g. DC brushless)
[16:20:10] <mazafaka> there was an article but I have no link by now
[16:22:06] <pcw_home> awallin yes the PCIE card (6I25) is supported
[16:22:33] <pcw_home> Theres no SPI breakout but thats just mechanical
[16:23:52] <awallin> pcw_home: I was thinking of having some 24-bit ADCs for temperature measurement over SPI. by SPI-extension I meant 7I46
[16:24:32] <awallin> If I were to build my own cards with SPI ADC and DAC chips, would it be hard or easy to get the signals into HAL ?
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[16:26:25] <tjb1> I recommend not posting a question about laser on cnczone unless you want "frank wang" and the "gweike" crew to spam you
[16:26:39] <awallin> pcw_home: oh, actually I meant the 6I68. that is the latest development?
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[16:40:25] <pcw_home> 6I68 has been supported for along time, the latest and lower cost card (the 6I25) is supported by the 5I25 driver
[16:41:56] <pcw_home> There's a HostMot2 SPI driver but because SPI devices are so different you basically need a component for setup for each chip type
[16:45:40] <awallin> pcw_home: ok thanks.
[16:46:17] <awallin> pcw_home: also I wanted to ask about counting pulses with the FPGAs, for example the 3X20. what is the fastest it can count?
[16:46:45] <pcw_home> Theres an example component for the 7I65
[16:47:12] <pcw_home> The quadrature counter?
[16:47:51] <pcw_home> the FPGA itself can count maybe a few hundred MHz
[16:48:02] <awallin> the pulses would be TTL pulses, short pulses where we just want to count how many rising edges we see
[16:48:16] <awallin> the pulse-train would not be regular, pretty random in fact
[16:50:04] <pcw_home> the encoder counter has a limit because is has a digital filter (3 clocks minimum with filter 'off') on all inputs
[16:50:06] <pcw_home> so with a3X20 (50 MHz clocklow) this is 60 nS minimum recognizable pulse
[16:50:14] <awallin> the pulses come from a photomultiplier. one of the has a 10ns wide pulse according to the spec
[16:50:33] <awallin> pulse height 2-2.2V
[16:50:46] <pcw_home> OK so that doable, but requires a different counter type
[16:51:52] <awallin> we would count the number of pulses into a register during some time-interval, say 1ms or 10ms, and then read+reset the register over PCI/HAL
[16:51:57] <pcw_home> how many channels do you need
[16:52:08] <ReadError> hey guys
[16:52:15] <ReadError> http://www.youtube.com/watch?feature=player_detailpage&v=MwZCuTlSKeY#t=21s ;)
[16:52:17] <ReadError> that is so awesome
[16:52:21] <awallin> for the pulse-counting just one (at first at least)
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[16:53:55] <awallin> pcw_home: for fast pulse-counting is it possible to raise the clock with PLL for some parts of the fpga?
[16:54:15] <pcw_home> Yes, I would probably just use a newer Spartan 6 card like a 5I25 (ClockHigh of 200 MHz)
[16:54:17] <pcw_home> and add a simple 32 bit counter
[16:54:28] <awallin> ReadError: wouldn't it be even greater if it was made with open-source cam + machine-controller
[16:55:05] <pcw_home> that would resolve down to 5 ns without needing a FPGA hardware clock pin
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[16:56:13] <awallin> pcw_home: what about the 3x20, it has a larger spartan3? how fast can that go?
[16:57:08] <pcw_home> Its default ClockHigh is 100 MHz but could probably go higher
[16:57:30] <pcw_home> (you donr need a big FPGA for this kind of thing)
[16:57:34] <pcw_home> dont
[16:58:12] <awallin> right. well I will have to think some more about these things and convince people at work about the open-source way :)
[17:29:01] <Loetmichel> re @ home
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[17:56:16] <IchGuckLive> Hi all B)
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[18:35:48] <skunkworks> http://www.practicalmachinist.com/vb/bridgeport-hardinge-mills-lathes/add-z-ez-trak-2-axis-255376/
[18:38:19] <IchGuckLive> nice thing
[18:44:38] <tjb1> Cant believe people go to practicalasshats :P
[18:45:31] <IchGuckLive> some find it very usevull maybe
[18:46:12] <IchGuckLive> in india the mashines are also blessed by a priest
[18:46:17] <IchGuckLive> in Hawai 2
[18:46:46] <tjb1> I stopped going there are milacron or whoever the admin is started banning people because they didnt list their town in the location
[18:47:59] <IchGuckLive> yea that personilisation spreds worldwide facebook Virus
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[18:48:12] <L84Supper> it's a slippery slope, first they "require" your town to be listed on a forum, next they implant RFID cards in you at birth or invade Poland
[18:48:56] <IchGuckLive> its the "Gläserne Mench " caled over here
[18:49:09] <IchGuckLive> Orvel 1984
[18:49:46] <IchGuckLive> glass man
[18:50:47] <IchGuckLive> what is on the attempt to bring linuxcnc to 12.04
[18:51:00] <IchGuckLive> is thee a timeline or still realtime issues
[18:51:25] <awallin> rtai might never happen for new kernels I think
[18:51:36] <L84Supper> RTAI is in the works
[18:51:39] <awallin> so it's xenomai or rt_preempt or something else
[18:52:20] <IchGuckLive> ubuntu studio works on realtime so it might be solved somewhere
[18:52:36] <L84Supper> RTAI has only one main dev, we won't be able to help him out until Jan-Feb
[18:53:16] <L84Supper> if xenomai gets pushed upstream, so will RTAI
[18:53:17] <IchGuckLive> ah ok so Next year it is the plan to be up to date
[18:53:37] <awallin> it seems mah's work will make linuxcnc build for a number of rt-kernels. that would give more choice
[18:53:38] <L84Supper> IchGuckLive: not sure about the official word from the LinuxCNC devs
[18:54:04] <IchGuckLive> wait and see
[18:54:04] <L84Supper> I just know that I will need it for some projects next year
[18:54:28] <L84Supper> we will share whatever we work on with RTAI
[18:54:42] <IchGuckLive> im in the way to build up a new education room with 26 routers inside
[18:55:50] <IchGuckLive> we will see
[18:55:58] <IchGuckLive> as time moves on
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[18:56:30] <IchGuckLive> Question where is a good store in the USA to get Pulleys XL 037 15 teeth
[18:56:46] <L84Supper> people are also looking at RTAI for ARM and linuxCNC
[18:57:29] <L84Supper> so it will get pushed into 3.x sooner or later
[18:59:08] <jdh> Ich: sdp-si.com
[18:59:17] <IchGuckLive> :D
[19:00:45] -!- Jipeiro [[email protected]] has joined #linuxcnc
[19:01:33] -!- skunkworks [skunkworks!~chatzilla@str-broadband-ccmts-ws-26.dsl.airstreamcomm.net] has joined #linuxcnc
[19:03:57] <andypugh> Ooh! 1mm pitch toothed belts!
[19:04:01] <IchGuckLive> jdh: price is more then here in europ with tax
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[19:05:11] <IchGuckLive> http://maedler.de/Product/1643/1616/1013/1015.aspx
[19:06:31] <IchGuckLive> as i need 150 pcs its 2,9Eur + tax here
[19:14:05] H264 is now known as WalterN
[19:18:18] <IchGuckLive> BY
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[19:20:53] <tjb1> First thing I do to new computers…re-install the OS, gets rid of bloatware :)
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[19:48:15] <ReadError> always
[19:54:17] <JT-Shop> http://www.bbc.co.uk/news/technology-20395212
[19:58:48] * JT-Shop goes to try and finger out why my offsets go crazy
[20:03:29] <JT-Shop> I see it now the post doesn't do a G43
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[20:05:24] <tjb1> Do they still offer the option to buy a computer without all the crap on it?
[20:06:21] <JT-Shop> hmm it should work after the tool change it puts G43 H1 Z0.1
[20:06:42] <tjb1> You broke it
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[20:37:09] <JT-Shop> Z scale being off might explain it
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[20:50:55] <mevon> hello the PID values are set in the .ini file right? by default, if none are defined in the ini, I and D are set to 0?
[20:51:35] <JT-Shop> they can be set in either the ini or the hal it just depends on what is in your hal file
[20:53:26] <mevon> can I see to what it it set in HAL config?
[20:53:53] <mevon> it is* set
[20:53:55] <JT-Shop> can you rephrase the question?
[20:54:16] <mevon> HAL configurations
[20:54:24] <JT-Shop> http://linuxcnc.org/docs/html/config/ini_config.html#_custom_sections_and_variables_a_id_sub_custom_variables_a
[20:54:36] <mevon> does it show the value of P, I and D?
[20:54:43] <JT-Shop> does that answer your question?
[20:54:56] <JT-Shop> what is it?
[20:55:43] <mevon> integrators?
[20:55:51] <JT-Shop> yes
[20:55:58] <mevon> where do I set the values
[20:56:13] <mevon> in the ini section in the link you pposted?
[20:56:44] <JT-Shop> the values can be in either the ini or the hal file, it depends on how they are written
[20:56:48] <mevon> ive read this page many times I cannot say I understand every part of it
[20:56:53] <mevon> ok
[20:56:59] <awallin> if your HAL file has things like [AXIS_0]P then that value comes from the INI
[20:57:18] <mevon> ok I get that thks
[20:57:25] <JT-Shop> if it is used in the hal file
[20:57:51] <JT-Shop> your hal file has to have something like setp stepgen.0.position-scale [AXIS_0]SCALE
[20:58:04] <mevon> my last question was can I use the HAL configurations interface to see the values they are set by default
[20:58:11] <JT-Shop> to use[AXIS_0] SCALE = 16000
[20:58:21] <mevon> yep
[20:58:26] <JT-Shop> ah yes the show hal configuration
[20:58:35] <JT-Shop> or the tune one
[20:58:41] <awallin> use halmeter or halshow ?
[20:58:50] <mevon> position-scale is P
[20:58:53] <mevon> ?
[20:59:15] <mevon> thing is Im trying to reduce the overshoot
[20:59:50] <mevon> when jogging manually, holding the jog down give me a accumulated error
[21:00:01] <mevon> and after a while it gets too large
[21:00:10] <mevon> thus the f-errors I get
[21:00:51] <mevon> I would like to change the values of the Differential part
[21:01:32] <JT-Shop> http://gnipsel.com/linuxcnc/tuning/servo.html
[21:01:47] <JT-Shop> velocity drive?
[21:02:10] <mevon> thats gold man
[21:02:37] <mevon> yes exactly that subject
[21:02:45] <mevon> thanks a lot Ill read it
[21:03:00] <awallin> mevon: some plots in my blog
http://www.anderswallin.net/2008/04/x-axis-test/ (mesa card + pwm servodrives)
[21:05:17] <mevon> nice thank you
[21:06:23] <JT-Shop> mevon: if you open up Machine > Calibration you can adjust any values that are in the ini file and open up halscope to see how you did
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[21:10:06] <mevon> will do
[21:13:28] <mevon> I get some weird error with that JT-Shop I will investigate more later, just worried it my incomprehension that is not working here...
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[21:16:25] <mevon> think its because my servo are position driven, not velocity or voltage..
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[21:18:28] <awallin> you would need to pastebin your HAL+INI and take some screenshits of the pid-error using halscope. otherwise it's very hard to say anything...
[21:18:39] <awallin> screenshot... haha :)
[21:20:25] <JT-Shop> position driven? like step and direction?
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[21:36:00] <mevon> JT-Shop, no more like go to x4.500000 y3.200000 etc.
[21:36:33] <JT-Shop> how do you send that to the drive?
[21:36:41] <mevon> usb arduino
[21:37:01] <mevon> and i update the pos every 1ms
[21:37:27] <awallin> not really a standard linuxcnc way that...
[21:37:36] <mevon> ikr
[21:37:40] <JT-Shop> have fun, that is not in my guesspertice
[21:38:16] <mevon> lol well its just that insteed of setting the joints velocity, i use pos-cmd
[21:39:22] <mevon> and receive pos-fb while moving
[21:46:57] <andypugh> But _whebn_ do you get the feedback? Have you any idea of the timing?
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[21:53:15] <andypugh> Are you aware that LinuxCNC doesn't send endpoints? It sends a new position request every 1mS.
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[21:53:44] <andypugh> And all the velocity and accel data is encoded in how far those points are from each other.
[22:02:21] <tjb1> I have to find out why my wait for input isnt working…I believe I have the input inverted
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[22:05:40] <r00t4rd3d> your going to be dead by the time that machine is ready to cut stuff
[22:06:19] <tjb1> it already cuts stuff
[22:06:50] <r00t4rd3d> what? your finger while bolting on more steel?
[22:07:24] <tjb1> Android make your brain fuzzy?
[22:09:02] <tjb1> Make your aluminum side plates yet?
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[22:20:46] <DJ9DJ> gn8
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[22:45:50] <Xabster> my friend and i are making our own CNC router XYZ thingy
[22:46:07] <Xabster> we're talking about what kind of sensors we need at the ends of the axis
[22:46:15] <JT-Shop> my post processor generates code like this:
[22:46:17] -!- zz_satyag has quit [Ping timeout: 245 seconds]
[22:46:22] <JT-Shop> T1 M06
[22:46:28] <JT-Shop> G00 G90 X0.3215 Y-0.363 S1800 M03
[22:46:32] <Xabster> to 1) make it emergency stop and 2) make sure that the Z is stopped in time to not ruin the machine itself
[22:46:34] <JT-Shop> G43 H1 Z0.1
[22:46:57] <JT-Shop> any danger in have a move before the G43?
[22:47:18] <JT-Shop> micro switchs work fine
[22:47:23] <JT-Shop> switches
[22:47:49] <Xabster> microswitches? what kind?
[22:47:55] <Xabster> we found 1/10 millimeter switches
[22:48:13] <Xabster> 1/10 of a millimeter could be cut off from the underlying board on the CNC
[22:48:25] <Xabster> if the Z is impresice
[22:48:29] <Xabster> unprecise
[22:48:30] <Xabster> whatever
[22:48:45] <Xabster> or potentially it would not cut clear in whatever object it was cutting in
[22:50:51] <Xabster> do i make sense?
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[22:51:27] <JT-Shop> http://www.geocities.ws/killer_siller/2zzvvlcontroller/micro.switch.jpg
[22:51:45] <Xabster> yep, we looked at them
[22:51:51] <JT-Shop> not exactly clear to me what your saying
[22:52:02] <Xabster> but 1/10 millimeter might mean that it will cut downwards into whatever is below my object
[22:52:05] <Xabster> that i'm working on
[22:52:14] <Xabster> and taking 1/10 of a millimeter off the machine itself
[22:52:22] <Xabster> when cutting completely through something
[22:53:14] <tjb1> Shouldnt be JT-Shop
[22:53:38] <tjb1> Should activate G43 at a safe position though, but good that you have the spindle on before you activate it
[22:56:58] <JT-Shop> I think it is bad coding as it relies on the Z being in a safe position for the XY move before the G43 is applied
[22:58:50] <tjb1> Let me see if I have a mastercam generated code here
[23:04:49] <tjb1> Here you go -
http://pastebin.com/nSi8YTyh
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[23:06:06] <tjb1> Its always pulling from tool change position in that code
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[23:12:44] <JT-Shop> that's what has me confused as I don't have a tool change position... yet
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[23:16:03] <tjb1> Cant you just code a "G28 G91 Z0.0" in your post? after tool changes or before it calls the G43?
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[23:18:19] <JT-Shop> I just need to add TOOL_CHANGE_POSITION = 0 0 2 to the EMCIO section
[23:18:58] <JT-Shop> actually this looks better TOOL_CHANGE_QUILL_UP = 1
[23:20:15] <tjb1> Im not sure if G28 works the same with linuxcnc anyway so you might want to check that if you decide to use it
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[23:23:18] <JT-Shop> G28/30 is go to a predefined position
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[23:30:11] <tjb1> Once I get this laptop up and running, ill finally make a post for my plasma
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