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[01:21:43] <Jymmm> http://i44.tinypic.com/fmknc1.jpg
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[01:29:22] <frysteev> Jymmm: love it
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[01:35:09] <Jymmm> =)
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[01:35:27] <Tom_itx> does it come with the lp noise too?
[01:36:01] <frysteev> does it take D cell batteries
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[01:37:50] <Jymmm> 6v lantern battery
[01:41:43] <jbunch-shop> PCW: What type of signal is the 7i33ta looking for on the index? 5v to grnd o grnd to 5v
[01:42:18] <Jymmm> JT-Shop: When you get done with the canon, you can work on a chain gun...
http://i42.tinypic.com/23peec.jpg
[01:42:19] <pcw__> Either
[01:43:47] <jbunch-shop> Any suggestions as to why I am unable to get spindle-rev?
[01:43:47] <pcw__> You can set the index polarity in HAL
[01:44:19] <pcw__> What is spindle rev (I doubt it has anything to do with index)
[01:45:10] <Jymmm> Alien vs Predator
http://i40.tinypic.com/x37675.jpg
[01:45:26] <pcw__> index is only used for homing and spindle synchronized moves AFAIK
[01:46:13] <pcw__> in both those cases motion enables index at the appropriate time
[01:50:14] <jbunch-shop> When I try a G33 move I receive an error of spindle not on when I look for how fast my spindle is rotating I see nothing in spindle-revs which I think is the value of spindle RPM's.
[01:51:15] <pcw__> I guess you need to trace where spindle-revs is wired up in HAL
[01:53:45] <jbunch-shop> net spindle-revs => motion.spindle-revs is the setting from PNConf .
[01:56:06] <jbunch-shop> Here is the spindle section of my hal file
http://pastebin.com/QncJ98d2
[02:00:36] <pcw__> man motion:
[02:00:38] <pcw__> motion.spindle-revs IN FLOAT
[02:00:39] <pcw__> For correct operation of spindle synchronized moves, this signal
[02:00:41] <pcw__> must be hooked to the position pin of the spindle encoder.
[02:01:34] <pcw__> at least in the hal code you posted the wire ends at spindle-revs
[02:02:09] <pcw__> (its an unconnected net or "wire" in hal)
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[02:07:37] <pcw__> probably supposed to be something like:
[02:07:39] <pcw__>
[02:07:41] <pcw__> net spindle-revs hm2_5i20.0.encoder.02.count => motion.spindle-revs
[02:07:43] <pcw__> presumable encoder scale must be set right for this
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[02:22:57] <jbunch-shop> Is hm2_5i20.0.encoder.02.position the same as the index? or What do you call the index pin?
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[03:21:41] <pcw__> ah yes its position not count:
[03:21:43] <pcw__> net spindle-revs hm2_5i20.0.encoder.02.position => motion.spindle-revs
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[03:24:44] <pcw__> No this is not index
[03:24:46] <pcw__> the only index connection in hal is to motion.spindle-index-enable
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[06:49:45] <mrsun> hmm, this cutter radius compensation, is that working good? :)
[06:50:21] <mrsun> very nice to be able to have just one ngc file and put any cutter i want realy to cut it, just change the tooltable .. or am i thinking wrong here? :)
[06:57:24] <KimK> mrsun: You are correct. And you have two popular methods to choose from.
[06:57:38] <mrsun> KimK, ok ?
[06:58:58] <KimK> mrsun: (1) The part profile or "East Coast" method. Program the part profile and all the entries in the tool table will be very close to the true tool diameter.
[06:59:55] <KimK> mrsun: (2) The tool path or "West Coast" method. Program the actual tool path (with a specific tool diameter in mind) and all the entries in the tool table will be very close to zero.
[07:00:11] <mrsun> ahh
[07:00:30] <KimK> Your choice!
[07:00:39] <mrsun> so even if i have one that is programmed for a specefic tool diameter, say 4mm if cutter compensation is on i can just add a -0.4 if the tool is .4 mm less then 4mm ?
[07:01:42] <KimK> Yes, exactly. Great for "regrinds" (resharpened tools).
[07:04:31] <mrsun> only problem is when adding cutter comp to already existing files the entry moves etc .. :/
[07:06:31] <KimK> In method 1 the tool table clearly shows what is going on, which is great, but it's potentially a lot of information for a bored/tired machine operator. In method 2 the tool table does not reveal anything about the programmed tool diameter, but all the entries should be near zero, so it's easier for a bored/tired operator to avoid mis-entries.
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[07:10:24] <mazafaka> mrsun: you need correct entry moves if you use cutter radius compensation. otherwise, the tool may cut the detail sometimes at the end of the moves where the trajectory changes.
[07:11:16] <mazafaka> mrsun: e.g. line and then arc, and the tool moves next to the line till its end while it is already cutting the arc a little bit
[07:11:57] <mazafaka> Visuslise the G-code in EMC and watch thoroughly onto the real trajectory of the tool.
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[07:14:07] <mazafaka> in fact, you can manually add arc for an entry move, and check how far the tool goes at the last element in the end
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[07:18:26] <mazafaka> in the end of the program
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[07:51:56] <Loetmichel> mornin'
[07:53:07] <DJ9DJ> moin
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[08:01:04] <mazafaka> morning? Evening!
[08:11:03] <DJ9DJ> nope, not here :)
[08:11:10] <DJ9DJ> its about 9am
[08:16:12] <Loetmichel> mazafaka: you are living behind the iron curtain.... ure its dark there ;-)
[08:16:16] <Loetmichel> sure
[08:17:27] <DJ9DJ> hehe
[08:19:51] <Loetmichel> grrr. my dell streak cellphone has a firmware bug... battery below 1%: no charge in the phone... you have to get the battery out, put it on a external charger/Psu for 2 minutes, then back in the phone: charging... annoying... what do the ppl do who havent got a jiustable PSU ;-=)
[08:19:55] <Loetmichel> ?
[08:20:54] <DJ9DJ> buy a new battery? ;)
[08:21:16] <Loetmichel> maybe
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[11:13:50] <mazafaka> "(3:16:19 PM) Loetmichel: mazafaka: you are living behind the iron curtain.... ure its dark there ;-)"
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[11:18:26] <Loetmichel> mazafaka: am i wrong?
[11:21:33] <DJ9DJ> hehe, mazafaka is using the Vilnius IRC server, Loetmichel :D
[11:22:20] <Loetmichel> is he?
[11:22:41] <Loetmichel> tatsache
[11:22:45] <Loetmichel> oh
[11:22:53] <Loetmichel> factt
[11:23:16] <Loetmichel> hmm, should i visited him as i was in vilnius last week?
[11:23:17] <Loetmichel> ;-)
[11:23:19] <DJ9DJ> hehe
[11:23:22] <Loetmichel> +have
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[11:28:00] <mazafaka> Loetmichel: it was only 3:00 PM
[11:28:50] <mazafaka> you would see this:
http://www.flickr.com/photos/ilyagalkin/6952213451/in/photostream
[11:28:56] <mazafaka> but I'm in Russia
[11:29:38] <mazafaka> a big mess
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[11:32:16] <mazafaka> it's spring and I sometimes come home at dinner, everything becomes dirty.
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[11:44:56] <SadMan> what offsets/coord system does touch off set?
[11:46:49] <jthornton> the one you pick
[11:47:50] <SadMan> hm, g54 as i thought
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[11:49:55] <SadMan> but it does some math compared to just doing g10 l2 p1
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[11:50:10] <SadMan> so how do i do "touch off z 0" using g10?
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[11:56:52] <jthornton> I don't understand your question, what are you trying to do?
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[12:00:15] <SadMan> i'm trying to use a simple probe (a piece of pcb), what i want it to do is do g38.2 and when it trips, do equivalent of me doing manually touch off on z axis with value 1.5 (that's the height of pcb)
[12:00:23] <SadMan> so z0 would be on top of the piece
[12:06:17] <awallin> "By pressing "Touch Off" or the END key, the "G54 offset" for the current axis is changed so that the current axis value will be the specified value"
[12:06:47] <awallin> so check what the current G54 z-offset is, and then load the negative of that with G10 ?
[12:07:03] <SadMan> it seems that i need g53 z
[12:07:10] <SadMan> no idea how to get that
[12:08:14] <awallin> hmm the current G54 z-offset is in variable #5223
[12:08:48] <SadMan> but i'm probably setting offset against g53 (machine coords)
[12:08:54] <SadMan> but i could be wrong
[12:09:39] <awallin> yes, the offset is against machine coordinates. you would use g53 for moving (g0 g1 etc) in machine coordinates - if you want to do that..
[12:10:37] <SadMan> i want to find out current g53 z so i can set the negative to g54 z
[12:10:41] <SadMan> that should give me 0
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[12:12:43] <awallin> the current position of the machine, in g53 coordinates, might be available as a set of variables
[12:13:12] <awallin> but you could also calculate the current g53 position as a g54-offset + current-position
[12:13:17] <SadMan> i found variable only for g54+
[12:13:21] <SadMan> variables
[12:13:26] <awallin> so what you want is g54-offset + probe-result ?
[12:14:16] <SadMan> hm, g38.2 is probably setting something too, that could be useful
[12:14:34] <awallin> yes, the result of the probe is in a variable, see docs
[12:14:38] <jepler> the sample nc file tool-length-proble.ngc does this sort of thing
[12:14:54] <SadMan> is there somewhere a list of variables?
[12:14:57] <SadMan> can't google one
[12:15:02] <Jymmm> hi jepler ltns
[12:15:09] <awallin> there should be a great big table of variables somewhere !?
[12:15:23] <jepler> it uses g43.1 z[difference between old and new tool length] to set the height for the second tool.
[12:16:15] <jepler> so it's not quite the same thing, but it shows how to use the variables that result from probing
[12:17:45] <jepler> there's also G10 L20 which sets a g5x coordinate system to a calculated value -- e.g., g10 l20 p1 z0 changes the g54 coordinate system such that the current z is 0
[12:17:56] <jepler> http://linuxcnc.org/docs/html/gcode_main.html#sec:G10-L20
[12:20:05] <jepler> the numbered parameters that store information about the g5x coordinate system are given here, but beware that they are always in inifile units, not gcode units, so doing calculations based off of them is really not possible to do correctly:
http://linuxcnc.org/docs/html/gcode_main.html#sub:G54-to-G59.3:
[12:20:37] <jepler> and the parameters where the probe result is stored are mentioned here
http://linuxcnc.org/docs/html/gcode_main.html#G38.x%20Straight%20Probe
[12:20:56] <jepler> I'm 99% sure they're in the gcode units that are active at the time of the probe, though I don't see that the docs explicitly say this.
[12:22:28] <jepler> this is a bit disorganized; in the 2.5 docs the structure has been changed a little bit and there is one section which is intended to give all the numbered parameters that have special meaning for linuxcnc. but be careful using this documentation for 2.4.x, as some items are new in the development version that will be linuxcnc 2.5.
http://linuxcnc.org/docs/2.5/html/gcode/overview.html#_parameters_variables_a_id_sec_parameters_a
[12:23:32] <SadMan> g10 l20 p1 seems to do the job
[12:23:33] <SadMan> thank you!
[12:23:35] <awallin> yes, that was what I was looking for. The 2.5 (dev) used to be the top link on the docs page. now the top link is to 2.4...
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[12:42:18] <awallin> if these parameters are in INI-units and not g-code units then maybe there should be a warning about that in the docs?
http://linuxcnc.org/docs/2.5/html/gcode/overview.html#_parameters_variables_a_id_sec_parameters_a
[12:49:04] <mrsun> mazafaka, hmm ok =)
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[12:58:10] <JT-Shop> what is and INI unit and a G code unit?
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[13:05:27] <SadMan> JT-Shop: you set mm or inch in .ini but you can override it in g-code using g20/g21
[13:05:39] <SadMan> but you'll still have "native" units in some variables
[13:05:40] <JT-Shop> yep
[13:12:50] <ssi> morn
[13:13:09] <ssi> cross your fingers that I get a mesa box today
[13:13:11] <ssi> neeeed it
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[13:18:57] <ssi> the garbage man sounds exactly like the ups man D:
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[14:39:18] <ssi> aww jeez
[14:39:38] <ssi> I put DIN rail in my power box to mount my VFDs on
[14:39:50] <ssi> got the GE 1/4hp vfd today for my coolant pump, and it doesn't mount on rail :/
[14:39:58] <ssi> now I gotta cut the rail down
[14:41:23] <pcw__> DIN rail adapter?
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[14:41:48] <ssi> eh it's faster to cut the rail down and screw this to the box than buy and wait on an adapter
[14:42:31] <ssi> I guess I can't complain too much about a $33 vfd :P
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[15:03:07] <Devilholk> Anyone know how big of a project it would be to PC control a emcoturn 140 with emcotronics T1 control?
[15:05:57] <cradek> you'd have to tell us more about it to get a meaningful answer
[15:06:18] <cradek> I see it's a lathe with a turret
[15:06:54] <cradek> what kind of motors/encoders/drives/etc does it have?
[15:08:01] <Devilholk> It uses 5 pahse steppers
[15:08:12] <Devilholk> I dont have much info about it actually
[15:08:21] <Devilholk> I was hoping that somebody in here would be experienced with a similar machine
[15:08:35] <Devilholk> Since I suspect, it may be a big project, if i
[15:08:45] <Devilholk> I'm the first one doing it to that kind of machine
[15:09:04] <Devilholk> So it was a shot in the dark
[15:09:08] <cradek> it will depend on your skills more than the particular machine
[15:09:26] <cradek> steppers are trivially easy if it has a standard interface like quadrature or step/dir to the drives
[15:09:48] <cradek> you'll probably need to do some ladder programming to run the turret
[15:09:58] <Devilholk> The drivers may be easy to RE otherwise, they use 74xxx chips for stuff
[15:10:17] <Devilholk> But I suspect everything is serial inside
[15:10:18] <cradek> you'll have to understand the wiring of the lathe fairly well to interface to its limit and home switches and other sensors
[15:10:26] <Devilholk> True
[15:10:43] <Devilholk> Assume I can control all motors, read all switches and encoders
[15:10:43] <cradek> you'll want an encoder on the spindle to enable threading, it may or may not have one already
[15:11:12] <cradek> do you have full schematics for it already?
[15:11:19] <Devilholk> Then I could more or less just configure LinuxCNC for it?
[15:11:25] <Devilholk> No
[15:11:34] <Devilholk> I'm just pondering the possibilities
[15:11:36] <cradek> you should get them if at all possible
[15:11:44] <Devilholk> Its hard to get any information about this machine
[15:11:56] <Devilholk> Its like Emco themselves dont know how they work anymore
[15:12:06] <cradek> then that will be your biggest problem, not software config :-/
[15:12:55] <Devilholk> Maybe it would be easier to remove the stepper drivers and get new ones for those too
[15:13:41] <cradek> very minimum you will need to find out, either by finding docs, or by inspection: what is the interface to the stepper drives, interface to the spindle drive, what kind of feedback from the spindle, how does the estop chain work
[15:13:47] <Devilholk> Damn it I wish I could afford this thing and fix it up instead of f-ing about with it. It has lost its memory and it doesnt know its a lathe anymore
[15:14:22] <cradek> 5 phase stepper drives are not easy to find and if yours work and have a normal interface, that would be just money thrown away
[15:14:45] <Devilholk> I guess I could interface the stepper motor drivers fairly easy
[15:14:45] <cradek> do not remove or replace parts until you fully understand what you have and you have a plan
[15:14:55] <Devilholk> I have to scopes to watch data with =)
[15:15:27] <Devilholk> Yeah, right now, since I dont own it but have to fix it, I'm just trying to load in new data in it
[15:19:12] <Devilholk> Appears that the parity for serial communication does not work as usualy parity >.<
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[15:34:31] <mozmck> Devilholk: you might post on the mailing list as there are people who read that but are not on irc.
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[15:49:28] <ssi> cradek: are you using the original GE servo amps on your HNC?
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[15:54:38] <cradek> yes
[15:55:33] <ssi> what about the 90v supply
[15:55:35] <ssi> using the stock one?
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[15:56:49] <cradek> yes
[15:57:16] <ssi> there's something in the servo amp manual about a +/-15V bias supply
[15:57:29] <ssi> but the control has a +/-12v supply, and I wasn't sure if that was being used as the bias supply or what
[15:57:48] <cradek> I used +-12 on mine
[15:58:02] <ssi> a modern one?
[15:58:05] <ssi> or the stock one
[15:58:12] <ssi> the stock one is freakin enormous heh
[15:58:13] <cradek> I think I used a pc power supply for that
[15:58:17] <ssi> gotcha
[15:58:29] <ssi> the reason I asked is, yesterday the machine was running for awhile
[15:58:40] <ssi> and all of a sudden it let a bunch of smoke out of the control
[15:58:46] <cradek> ouch
[15:58:46] <ssi> out of the blue, no interaction caused it
[15:58:52] <ssi> and I can't find what smoked
[15:58:55] <ssi> everything still works ;)
[15:59:00] <cradek> electrolytic cap
[15:59:01] <ssi> I'm guessing bad caps, heated up
[15:59:04] <cradek> sure
[15:59:13] <cradek> funny that it still works :-)
[15:59:16] <ssi> anyway, point is I want to try to remove as much of that as possible
[15:59:23] <ssi> debating about keeping the 90v supply
[15:59:31] <cradek> yours is HNC with the huge GE control?
[15:59:36] <ssi> yeah
[15:59:48] <ssi> I've got full manuals and schematics for all of it
[15:59:51] <cradek> I've got some parts if you need them :-)
[15:59:56] <ssi> schemes for the control, even schemes for the U-store memory unit :P
[16:00:26] <cradek> the 90v supply is a transformer and bridge rectifier
[16:00:37] <cradek> can't imagine why you'd discard that
[16:00:50] <cradek> the main caps are on the servo amps themselves
[16:00:54] <ssi> gotcha
[16:01:08] <ssi> yea and they're huge
[16:01:09] <ssi> heh
[16:01:33] <Devilholk> mozmck: thanks for the tip
[16:01:40] * Devilholk just got the freaking machine running
[16:01:48] <ssi> so the 90v supply's transformer is probably a 220v primary, since the cabinet takes 220v
[16:02:10] <ssi> I guess I can use a PC supply that'll take 220v as input
[16:02:31] <cradek> yes the 90v transformer is (remarkably) single phase 220
[16:02:42] <cradek> pretty much all PC supplies will take 220 I think
[16:02:48] <ssi> yeah probably so
[16:07:45] <ssi> I figured out how to get the turret to index in MDI mode on the GE control yesterday
[16:07:52] <ssi> works perfectly
[16:08:34] <ssi> and I removed my spindle brake
[16:08:37] <ssi> haven't tested it yet
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[16:20:18] <cradek> I'm pretty shocked your control works. did you just get the machine?
[16:20:51] <cradek> mine would mdi but I couldn't get it to run a tape, and the U-stor was dead
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[16:25:13] <cradek> someone had added a BTR but I don't think it was complete either
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[16:44:11] <ssi> cradek: I picked it up weekend before last
[16:44:25] <ssi> cradek: the guy I bought it from was using it in production somewhat recently
[16:44:52] <ssi> cradek: I don't have any tapes so I can't verify that it'll run one
[16:45:04] <ssi> i was considering trying to get a tape punch and do some tape programming
[16:45:07] <ssi> but I couldn't find one cheap enough
[16:46:26] <cradek> I guess I'm glad mine didn't work - it made the decision to replace it very easy
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[16:48:28] <ssi> oh I certainly want to replace mine
[16:48:34] <ssi> I just wanted to play with the tape :)
[16:48:47] <ssi> programming for that dinosaur looks miserable
[16:50:48] <cradek> yes
[17:06:10] <Loetmichel> re @ home
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[17:20:43] <mrsun> hmm, i should make a dremel mount for the mill so i can grind the shank of my endmills :P
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[17:27:04] <mrsun> tho do not like grinding on stuff like that, abrasive :/
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[17:27:17] <mrsun> but its the only thing i can control with any kind of accuracy
[17:28:26] <archivist> dremel bearings dotn make for good grinding
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[17:28:39] <archivist> been there done that
[17:29:22] <mrsun> archivist, the result isnt to important i guess, as long as a i get a good "corner" at the flutes of the end mill
[17:29:35] <mrsun> maybe even that isnt to important =)
[17:29:53] <mrsun> i just want to be able to cut deeper then the end mill is intended for :P
[17:31:22] <archivist> get long series endmills
[17:32:04] <mrsun> archivist, more expensive :(
[17:32:09] <mrsun> sweden sucks at tools ...
[17:32:18] <mrsun> have to order from abroad to get any descent prices
[17:32:31] <mrsun> stuff that others pay like $10 for we pay like 30 - 40$
[17:32:35] <mrsun> stupid country
[17:32:46] <archivist> but grinding a relief will make it more flexible
[17:33:38] <mrsun> archivist, wont long series be atleast as flexible as me grinding of .2mm to get the shank to not rub against the material ? :P
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[18:07:44] <ssi> mrsun: spin index on a surface grinder!
[18:10:12] <micges> hi all
[18:10:55] <micges> someone know about good DC servo driver with step input? (like UHU)
[18:11:40] <JT-Shop> you have dc servos and need drives?
[18:11:49] <JT-Shop> gecko 320 I think does that
[18:12:15] <micges> exactly
[18:12:15] <pcw__> Granite also
[18:13:56] <IchGuckLive> in europ there ar so view drivers available
[18:21:28] <pcw__> any reason to choose step/dir over PWM/DIR or analog?
[18:21:30] <pcw__> with step/dir you need to tune the drives position loop (sometimes windows only utility)
[18:21:32] <pcw__> and you don't know the following error
[18:21:34] <pcw__> (unless you feed the encoder back to the drive and LinuxCNC)
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[18:29:03] <micges> yes there is windows only utility :)
[18:30:19] <djdelorie> micges: bldc or brushed dc?
[18:30:44] <micges> and no, no specific reason, simmilar machine fixed by us was running on UHU servos
[18:30:59] <micges> brushed
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[18:33:54] <micges> pcw__: so you mean that 7i40 could be used?
[18:34:57] <awallin> OT: has anyone dove test-coverage with gcov? I get a lot of .gcov files, but lcov seems to want .gcda files ??
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[18:36:11] <djdelorie> gcc produces the .gcda files itself during the compile
[18:36:25] <djdelorie> there's a -f option for it, -fprofile-generate perhaps
[18:36:53] <awallin> oh ok, I'm probably running lcov in the wrong directory..
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[18:37:33] <awallin> yep, now I got something!
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[18:47:55] <skunkworks__> hello?
[18:48:03] <skunkworks__> logger[psha]_:
[18:48:09] <skunkworks__> oh - I am on.
[18:48:13] <ssi> woooooooo mesa gear came :D
[18:48:25] <skunkworks__> yay! I love mesa gear
[18:48:28] <ssi> me too!
[18:50:12] <skunkworks__> what did you get?
[18:50:31] <ssi> a 5i23 and a 7i49
[18:50:41] <ssi> plus two 7i42TA's should be here tomorrow
[18:50:46] <frysteev> does that mean the reolver drivers are done now?
[18:50:57] <ssi> haha I hope so!
[18:50:57] <frysteev> er resolver
[18:51:05] <ssi> I didn't realize there might not be drivers :P
[18:51:27] <frysteev> thats why i havent ordered one yey KimK and crew were still wroking on them last i checked
[18:51:33] <frysteev> (im planning on one for my orbot arm
[18:53:03] <ssi> got any links to info about the work they're doing?
[18:53:37] <frysteev> no, only talked to them in here, i believe it was some HAL voodoo they were doing
[18:54:03] <ssi> I hope I didn't paint myself into a corner :P
[18:54:29] <frysteev> ssi: let me know how it goes, cuz i want to order one, its just a priority 2 project lately
[18:55:09] <micges> Andy added resolver driver, I don't know about status but it shoud work
[18:55:13] <frysteev> ssi: you dont need resolvers, open loop with servos will be fine. what coupld possibly go wrong? :P
[18:55:18] <ssi> hahah
[18:55:46] <frysteev> sweet
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[18:56:02] <frysteev> ssi: let me know how all the resolver tuning goes
[18:57:42] <IchGuckLive> micges: where are the uhu servos from
[18:58:16] <ssi> frysteev: I certainly will
[18:59:01] <frysteev> ssi: what kind of machine is it?
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[18:59:27] <cncbasher> resolvers work fine on the 7i49
[18:59:39] <ssi> frysteev: hardinge HNC
[18:59:52] <cncbasher> but getting into the voodo thats another story
[19:00:02] <ssi> which voodoo
[19:00:11] <cncbasher> yes
[19:00:27] <cncbasher> also supported in pncconf now
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[19:00:40] <ssi> nice
[19:00:50] <frysteev> cool. my ASEA IRB6 has resolvers, planning on swapping out the POS cpu in it for emc
[19:00:52] <micges> IchGuckLive: closed software for UHU is from germany
[19:00:58] <cncbasher> at least with the 7i49 , cant say for any other as thats all i have used
[19:01:03] <micges> rest is open source
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[19:01:58] <ssi> cncbasher: you're using the 7i49 on your hardinge?
[19:02:42] <cncbasher> no not on the hardinge , it's another machine
[19:03:15] <ssi> I can't remember now, do you have an HNC or a CHNC
[19:03:30] <ssi> i think the chnc was encoders, but I don't remember
[19:08:10] <frysteev> resolvers are cool. i sorta get how they work. but i tried to figure out the a/d to convert them and it hurt my head
[19:08:30] <frysteev> then i decided the 7149 was cheaper then my mental health
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[19:12:26] <IchGuckLive> micges: thanks i know but you said uhu servos i never seen this
[19:12:56] <micges> servos I mean drivers :)
[19:15:26] <IchGuckLive> i got 10 faulhabers in stock but never seen one run O.o
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[19:17:02] <IchGuckLive> ok thanks till tomoroww
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[19:30:06] <frysteev> has anyone used EMC in a conversion, but merely as a fornt end?
[19:30:11] <frysteev> er front.
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[19:30:40] <frysteev> leaving an old motion controller or such, and just using emc to monitor and control it overall?
[19:31:15] <cradek> linuxcnc doesn't really work that way
[19:31:34] <cradek> unless you have an old system with 3 jogwheels and you put motors on them or something...
[19:31:48] <frysteev> hehe,
[19:33:51] <frysteev> its more of a theorerical i know. just curious, one of my machines works, but programming it takes forever, thinking about making it run in Direct Control Mode, and Has EMC control it that way.
[19:34:15] <alex4nder> what's the benefit in doing that?
[19:34:51] <frysteev> 1 to see if can be done, and 2, cost
[19:35:21] <cradek> what is 'Direct Control Mode'?
[19:35:56] <frysteev> you can control is live, althogh slowly via serial.
[19:36:50] <cradek> frankly my 3-jogwheel system sounds better
[19:37:15] <frysteev> but the machine has a ton of i/o that would be pricey to replicate, i can setup the i/o to drive the machine essentiaqlly like a stepper, pulse each pin for axis movement
[19:37:37] <frysteev> cradek: i like it, it makes me chinc of the cnc etch a sketches
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[19:38:01] <alex4nder> frysteev: so you'd just drive your I/O like it were a standard stepper drive?
[19:38:10] <alex4nder> with no feedback
[19:38:22] <frysteev> possibly,
[19:38:34] <frysteev> but i could do feedback to
[19:38:43] <alex4nder> well then you'd just have a stepper machine, to start.
[19:38:46] <alex4nder> and you could build off of that.
[19:39:04] <frysteev> just wondering if it makes ance sence to try it.
[19:39:20] <cradek> nope :-)
[19:39:21] <frysteev> then emy would only have to read and write a few digitial i/o to the beg machine
[19:39:27] <frysteev> :P
[19:39:52] <frysteev> yeah, i know ill end up on the mesa order page
[19:39:56] <alex4nder> haha
[19:41:55] <frysteev> its for hobby fun anwyays, not a commerical shop
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[19:52:07] <ssi> frysteev: is this the arm you're talking about?
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[20:16:51] <JT-Shop> frysteev: atm EMC runs my spindle on the BP and the rest is Anilam... but not for long
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[21:14:31] <frysteev> yo
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[21:43:19] <DJ9DJ> gn8
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[22:23:10] <ssi> ugh the computer on my little lathe is getting flaky
[22:23:13] <ssi> locking up right after startup
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[23:20:47] <craynerd> I`m totally confused as to what PSU I need for this cnc setup. I know I want 24v max (TB6560 driver will blow above this) and I need about 6-8A ideally. I`m confused about "switching" "floating"...
[23:21:19] <craynerd> I have a couple of very cheap lab supplies, both run variable to 13v and are good to 8.5A. Would these be OK run in series?
[23:22:45] <Tom_itx> i don't think i would run them in series
[23:23:57] <Tom_itx> http://www.kelinginc.net/SwitchingPowerSupply.html
[23:28:00] <craynerd> will running them in series not give me 12v ?
[23:28:03] <craynerd> 24 sorry
[23:28:11] <craynerd> if both set to 12v of course
[23:28:15] <Thetawaves> i would get a cheap 15amp 24v metal frame psu on ebay
[23:28:58] <Tom_itx> craynerd, they would need floating grounds to work like that i believe
[23:29:33] <Thetawaves> most psus do
[23:29:36] <Tom_itx> you're more than welcome to prove me wrong though
[23:29:45] <Thetawaves> they usually have +- and ground
[23:29:48] <Thetawaves> or red black and green
[23:30:01] <craynerd> ok I see
[23:31:19] <craynerd> I`m currently running just 12v at 5A, with 3x 2A stepper on it
[23:31:27] <craynerd> I`m running at 75% current
[23:31:40] <craynerd> but they are running real slow!
[23:32:06] <craynerd> I`m just thinking that I could even get away with a laptop charger , I have one here 19-22v at 4.6A
[23:32:32] <Thetawaves> you are drawing 5A but you expect to be able to use a 4.6a psu?
[23:33:00] <craynerd> surely that would be if I was working them all at full pelt all the time.
[23:33:22] <Thetawaves> full pelt all the time would be 6A no?
[23:33:35] <craynerd> sorry, to be clear... my supply is 12v 5A... I`m not necessarly drawing 5A
[23:34:04] <craynerd> full pelt at 75% current... 75% of 6A no?
[23:34:06] <Thetawaves> if you want to randomly loose power, and randomly loose steps because of inadequate power, be my guest
[23:34:35] <craynerd> lol, your taking this very personal...be cool, I`m a noob getting my head around it!
[23:34:50] <Thetawaves> then do it properly
[23:34:58] <craynerd> My wallet isn`t wadded
[23:35:16] <Thetawaves> a 10A psu is ~20$ on ebay
[23:35:36] <craynerd> 24v?
[23:35:48] <Thetawaves> i'll show you the ones i use to run my servos
[23:36:02] <craynerd> I`m in the UK...I hope they are as cheap here.
[23:38:13] <craynerd> is a switching supply ok then? is that what I`m after?
[23:41:45] <Thetawaves> well they have both 10 and 15a for 25$
[23:42:19] <Thetawaves> craynerd, a switching supply is fine
[23:43:08] <Thetawaves> sometimes there are issues running huge inductive loads off of cheap switching supplies with bad filters
[23:43:38] <Thetawaves> but in that case you can just put a huge capacitor across the outputs of the psu and achieve good filtering on your own
[23:44:05] <craynerd> what size cap are you talking?
[23:44:32] <Thetawaves> minimum probably 10 or 20 uf
[23:44:39] <craynerd> ok
[23:44:52] <craynerd> just trying to ebay one now...will post link before I buy!
[23:45:10] <Thetawaves> thats a wild guess, as i have no numbers to run the math with
[23:45:27] <Thetawaves> but you can just try larger capacitors...
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[23:46:09] <Thetawaves> craynerd, i found the listing i got mine from
[23:46:16] <Thetawaves> it was 40$ buy it now with free shipping
[23:46:26] <Thetawaves> because 25$ + shipping was more than 40$
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[23:46:47] <craynerd> http://www.ebay.co.uk/itm/CNC-Servo-Step-Motor-Driver-AC-DC-Power-Supply-24V-10A-/150773418921?pt=UK_BOI_Industrial_Automation_Control_ET&hash=item231acbcba9
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[23:47:09] <Thetawaves> isn't that like 70 bucks
[23:47:10] <craynerd> £33 .. what is that..like $50-60
[23:47:11] <Thetawaves> damn
[23:47:16] <craynerd> yes.. something like!
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[23:47:51] <craynerd> I can bring in from China but I`ll get stung on import duty..at which point it is just as cheap to buy from the UK and it saves waiting 3 weeks!
[23:48:14] <Thetawaves> really?
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[23:48:37] <craynerd> yep
[23:48:38] <Thetawaves> i understand you with the waiting 3 weeks part
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[23:49:33] <craynerd> will it is a real pain. I purchased an ER32 chuck before Christmas... £20 instead of £55. I waiting 3 weeks and then got charged about £18 import! I`d rather have spent the £55 and got it in a few days
[23:49:39] <craynerd> will = well
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[23:50:00] <Thetawaves> haha
[23:50:02] <craynerd> sorry...i`m tired, my sentences are starting to make little sense!
[23:50:39] <Thetawaves> well in the mean time your lab psus will do the trick?
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[23:51:18] <Thetawaves> otherwise you're back to scrounging at least 7A power supply
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[23:51:32] <craynerd> humm, bugger lol
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[23:52:02] <Thetawaves> ..and its not easy to build multiamp power supplies
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[23:53:15] <craynerd> no..neither do I dare. I will mod most things but not keen on electricity at high voltage and current!
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[23:54:11] <Thetawaves> craynerd, do the english electronic stores have anything within reasonable price range?
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[23:54:59] <craynerd> haha.. if ebay cheapest is £33, maplin or Farnell will seriously be near £60-100
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[23:57:03] <Thetawaves> my understanding of money is that 33$ buys you the same amount of regular stuff in america as 33 pounds buys you in england
[23:57:11] <Thetawaves> so maybe 33pounds is a good price?
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[23:59:47] <Thetawaves> yeah 40$ plus your import fees puts you squarely in 60$ range
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[23:59:59] <Thetawaves> craynerd, get the 33 pound, it's a steal
