#linuxcnc | Logs for 2019-02-12

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[03:15:13] <Deejay> moin
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[03:25:50] <gloops> omg ive cracked the apron on my lathe
[03:26:06] <Loetmichel> apron?
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[03:27:16] <gloops> the front plate on the saddle
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[03:27:51] <gloops> i just wanted to put a little punch mark on something - just put it on the apron and tapped it with punch
[03:28:09] <gloops> just a very light tap, just noticed casting is cracked
[03:28:30] <Loetmichel> ouch
[03:28:49] <gloops> looks like another cast welding job
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[03:29:21] <XXCoder> sucks'
[03:30:32] <gloops> these daft things you do without thinking - another mess about now
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[04:48:55] <jthornton> morning
[04:50:08] <XXCoder> morninmg
[04:50:16] <XXCoder> its raining here lol
[04:50:19] <XXCoder> but still lots snow
[04:56:56] <sensille> i'm very happy with g38.2 and direct electrical contact to the workpiece. finally my Z touch off is accurate
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[05:12:45] <CNC_Brian> Morning all
[05:13:26] <XXCoder> sensille: nice
[05:13:27] <XXCoder> hey
[05:15:06] <sensille> XXCoder: now i just need a way to mount the vice electrically isolated
[05:16:32] <CNC_Brian> Be easier to isolate the probe and have the vive as ground
[05:17:49] <CNC_Brian> There is a guy on eBay.co.uk who dose a nice probe of �150
[05:17:59] <CNC_Brian> Not worth trying to make one for that.
[05:18:42] <sensille> i'm using the shank of a (broken) tool as probe. not sure how to isolate it without adding runout
[05:21:04] <sensille> a proper 3d probe would be nice, but i don't have the money atm
[05:23:25] <jthornton> what are you probing for?
[05:23:57] <sensille> Z height + edges of the workpiece
[05:24:43] <sensille> mesh probing of the flatness of the workpiece would be nice, too
[05:25:17] <sensille> workpiece is aluminum bolted to the wooden spoil board (unless it's in the vise)
[05:25:55] <jthornton> for Z I use a dowel
[05:26:29] <jthornton> for X a dowel in the spindle and push the part up to the dowel and make that 1/2 the diameter of the dowel
[05:26:51] <jthornton> for Y the back of the vise I use an edge finder
[05:27:17] <jthornton> https://www.youtube.com
[05:28:01] <sensille> do you think this is more precise than the electrical method?
[05:28:09] <sensille> (accurate)
[05:30:21] <sensille> also i still wonder where the electrical connection between the spindle an the table come from. probably through the ball screws
[05:30:42] <XXCoder> probably
[05:31:01] <sensille> although the visible part is plastics
[05:32:09] <XXCoder> depend on machine really
[05:32:20] <gloops> there are some plans for a triple edge finder online i think
[05:32:20] <XXCoder> some use key runways that'd be on contact permentkly
[05:32:38] <gloops> needs a script though
[05:32:45] <sensille> CNC_Brian: this one? https://www.ebay.co.uk
[05:34:26] <gloops> makers guide a/c suspended though https://www.youtube.com
[05:34:34] <sensille> although it's quite big. i doubt it would fit into my machine
[05:35:21] <CNC_Brian> Yes that's the one
[05:35:56] <CNC_Brian> Just need a 5V or 3.3V feed and a spare Input on your bob
[05:36:39] <CNC_Brian> Its fairly accurate I would say 0.03mm +-
[05:37:24] <sensille> i think the shank is more accurate (and costs nothing), but has obvious disadvantages
[05:37:34] <CNC_Brian> He will put the correct shank on it for you if you ask
[05:37:56] <sensille> ah. 6mm
[05:38:30] <CNC_Brian> If you rant going to employ an automatic probing script an edge-finder is fine
[05:38:56] <CNC_Brian> < �10
[05:39:10] <CNC_Brian> for an ebay special
[05:40:45] <CNC_Brian> A ridged drill shank will mean you have to set your feed rate really low to avoid crashing into the work
[05:40:49] <gloops> theres a probing vid or 2 on Ichs videos
[05:44:24] <CNC_Brian> How do you move the page around in Gremlin? Its just rotating on a corner of the limits. Driving me mad
[06:15:38] <rmu> sensille: something a bit smaller and wireless: https://vers.by
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[07:57:08] <sensille> rmu: thanks
[07:57:46] <sensille> and affordable
[08:05:48] <sensille> that looks ideal for me (although i prefer the wired version)
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[08:36:34] <CNC_Brian> Rmu that's a nice wireless probe. What country is that firm based?
[08:37:36] <sensille> belarus. i just preordered a wired version
[08:38:37] <CNC_Brian> I would probably need to pay duty and shipping to the UK
[08:38:57] <sensille> tax included it says
[08:39:14] <sensille> but they don't let me choose a country :)
[08:39:52] <CNC_Brian> Where are you?
[08:39:57] <sensille> germany
[08:39:58] <rmu> i had to pay VAT and some customs handling fee, but no customs fee per se (austria)
[08:40:35] <CNC_Brian> Let us know how it go's I want to get a wireless and a wired tool setter.
[08:40:52] <rmu> AFAIK you have to use contact form to inform serguei what you want, then it goes into production, and once finished you can checkout via webshop
[08:41:32] <rmu> my wireless probe works find, and the toolsetter, well, let's see if i get to it next week
[08:41:36] <CNC_Brian> I had better get it before Brexit LOL
[08:42:00] <sensille> that holds for nearly everything, right?
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[08:43:02] <CNC_Brian> It's a very bad idea, but I just want it over now.
[08:44:39] <sensille> of the probe works well, i'll order a tool setter and 3 homeing switches as well :)
[08:45:35] <rmu> that should be "works fine" instead of "works find". stupid keyboard.
[08:45:53] <sensille> workfinder
[08:46:49] <sensille> although ... if i use the touch probe for dialling in Z, I have to use a rigid tool setter
[08:47:14] <sensille> touching of the toolsetter with the touch probe would be ... interesting
[08:48:51] <CNC_Brian> Could be expensive crash.
[08:51:12] <sensille> a rigid tool probe with an optical 'prewarning' could be nice
[08:51:37] <sensille> approach it with high speed up to the last mm, then go very slowly
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[08:58:35] <rmu> you can "calibrate" the toolsetter with the probe
[08:58:45] <rmu> idirectly
[08:59:09] <rmu> measure a cutter with toolsetter, and use it to cut a feature into some junk-piece
[08:59:18] <rmu> the measure the feature with the touch-probe
[09:00:57] <sensille> given the result of touch probe on tool setter is even repeatable
[09:01:08] <sensille> both have contact forces in the same range
[09:05:15] <sensille> ah, or i calibrate the tool setter to some fixed position on the table, and touch off the probe to that position, while i touch off the tool to the tool setter
[09:05:37] <rmu> touch off tool to tool setter, use tool to cut a hole, measure hole with touch probe
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[09:06:58] <Elmo40> sounds simple enough ;-)
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[10:00:00] <PL7icnc> Hi
[10:00:33] <PL7icnc> gloops, 2uploads a day
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[10:07:38] <flyback> https://www.youtube.com
[10:07:40] <flyback> enjoy
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[10:09:43] <PL7icnc> flyback, tupper Has been great at that time
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[10:09:55] <PL7icnc> now Cheep is the way that works also
[10:10:39] <flyback> what's funny is it was made from polyethylene scrap
[10:11:03] <PL7icnc> newest material at that time
[10:11:15] <flyback> no the scrap part heheh
[10:11:21] <flyback> but it was good enough for this
[10:11:29] <PL7icnc> like 3d prining in our time invents more and more material
[10:11:57] <flyback> yep
[10:12:41] <PL7icnc> or as we here are on CNC its TB6500-> HSS60
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[10:13:33] <PL7icnc> Inline, from Germany ?
[10:14:25] <PL7icnc> On Sunday i did install 18.04 flyback
[10:14:55] <flyback> cool
[10:14:57] <PL7icnc> there is now a PPA i found in the Forum
[10:15:04] <PL7icnc> easy as it is
[10:15:12] <flyback> I will probably move my data recovery box to 18.04 and make a 16.04 vm
[10:15:20] <flyback> for the one piece of sw that doesn't run on > 16.04
[10:15:34] <flyback> I can use ata over thernet to map the drive I am working on to the vm
[10:16:00] <PL7icnc> I think ubuntu goes more on Money store as SNAP is invented
[10:16:27] <PL7icnc> snap holds the newest stuff while canonical is almost 2versions behind
[10:16:50] <flyback> yeah my hexchat is a snap
[10:16:58] <PL7icnc> as here
[10:18:32] <PL7icnc> It is so interesting as my English comes back so quick after years of no English word
[10:18:57] <PL7icnc> ok i did work years in school English
[10:19:32] <PL7icnc> and this here is great to get back to the past.
[10:20:01] <PL7icnc> flyback, did you ever get Camotics 1.2 to run
[10:20:24] <PL7icnc> i got only 1,1 on the 64 now to run on 18.04
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[10:21:06] <flyback> I think you have me confused with someone else
[10:21:12] <flyback> not done any cnc stuff yet
[10:21:31] <flyback> im friends with Tom_L though
[10:21:37] <PL7icnc> Away for Workoff today
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[10:43:04] <lostinsip> hello :)
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[13:33:34] <sensille> i have a problem that from time to time the y stepper stalls during a move
[13:33:59] <sensille> now i reduced max velocity+accel for all axes, and now it also happens on x
[13:34:20] <sensille> when i turn the stepper by hand they move easily
[13:34:56] <sensille> this is some resonance problem of steppers, right?
[13:35:26] <Elmo40> is amperage adjustable ?
[13:35:36] <Elmo40> or power supply voltage dropping when all motors go?
[13:35:51] <sensille> only one motor moves
[13:36:21] <sensille> there are switches for current, but i think they're set to the rated current, not completely sure
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[13:37:06] <sensille> due to the lower acceleration, the motor stays longer in the resonant region and stalls?
[13:38:10] <sensille> or i configure max vel to stay below the resonance freq
[13:38:13] <gloops> well you can bump the amps up to close to the max for your drivers
[13:38:41] <gloops> you want to be thereabouts to get the max out of the motors, also voltage
[13:38:49] <sensille> i don't have a datasheet for the steppers
[13:39:18] <Elmo40> in that tupperware video, the 'mold making' part around 6:30 is all CNC now. 1 guy and a 5-axis mill ;-)
[13:39:21] <sensille> ok, so it doesn't happen during accel
[13:39:24] <gloops> the steppers will probably take it, theres usually some info online for steppers if you type the product code in
[13:39:53] <gloops> could be screws resonating if they are lower diameter
[13:40:01] <Elmo40> any markings on the steppers?
[13:40:21] <gloops> oh DONT change the dipswitches while powered up
[13:41:47] <sensille> yeah, they say 3A, have to open the case, but i think it's already configured to 3A
[13:42:00] <sensille> if i stay <2000mm/s it seems to be fine
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[13:42:21] <gloops> well obviously the motors do have limits
[13:42:51] <gloops> reducing accel will get more overall speed, but in a small workspace its a trade off
[13:42:55] <sensille> it went well for weeks
[13:42:59] <sensille> but now it starts
[13:43:02] <gloops> i.e you really want accel
[13:43:18] <sensille> and reducing accel made it worse
[13:43:26] <gloops> hmm, everything tight? no loose mountings or anything
[13:43:46] <gloops> anything that can cause drag, something loose or out of alignment
[13:43:53] <sensille> has to be something like that
[13:44:03] <sensille> but in the end it's resonance
[13:44:10] <gloops> or possibly a noise/ground issue
[13:44:50] <sensille> i can wiggle the gantry a bit
[13:44:53] <sensille> that might be new
[13:45:04] <sensille> can't do that with y
[13:45:09] <gloops> skate bearings?
[13:45:17] <sensille> so something with the nut of the ballscrew
[13:45:45] <sensille> and it destroyed 5 hours of work :(
[13:45:57] <gloops> oh sh*t
[13:46:54] <gloops> if you are cutting on one side of the gantry hard and the gantry can rack it will eventually lock up
[13:47:16] <gloops> or shift so much the ballscrew nut gets tight
[13:47:57] <sensille> that's not it. something is loose in the nut. need to find out what
[13:48:45] <gloops> well that may have cause the problem with the nut, if its been running twisted
[13:49:17] <sensille> the load is very light, i only cut 0.15mm of aluminum at a time
[13:49:21] <sensille> stepdown
[13:49:21] <gloops> i spent hours shimming the screw nuts, one fraction out of true and the screw gets hard to turn - not doing the nut any good
[13:50:40] <gloops> it seems light sensille, but there are leverage forces in play, its not light by the time it hits the bearings on the gantry
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[13:51:16] <gloops> well if you located the issue at least you can do something about it anyway
[13:54:22] <sensille> oh man, the bolts for the nut where a bit loose
[13:54:29] <sensille> that simple
[13:54:54] <sensille> i hope it already fixes it
[13:55:01] <sensille> totally not worth the trouble
[13:55:44] <sensille> do you need to clean the ballscrews regularly? there are a few tiny chips on it, but very very few
[13:56:46] <sensille> s/you/i
[13:59:10] <sensille> in the ini file there's a max velocity in the TRAJ section, is that only for jogging?
[14:01:03] <gloops> dont take the nut off the ballscrew
[14:01:32] <Wolf__> rod whip will lock the motor up as well depending on length
[14:01:34] <gloops> clean the screws, i lubricate mine, you might want to check out some proper lubricant
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[14:02:25] <gloops> the max velocity in TRAJ will be the default rapid speed, regardless of what each axis is set for
[14:02:40] <gloops> (i think, dragging my memory now)
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[14:04:10] <gloops> this can be deceptive, although when you jog an axis it moves according to its own max velocity, when code it running it tries to do the default rapid
[14:04:29] <sensille> oh
[14:04:33] <gloops> so no axis should exceed the global max velocity
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[14:05:29] <gloops> err the overall max velocity shouldnt exceed the max for any axis
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[14:06:27] <gloops> you can of course control the max velocity using the slider on the UI
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[14:07:33] <sensille> so the driver are set to 2.5A, max is 3A
[14:07:38] <sensille> and 1/8th microstepping
[14:08:06] <gloops> many would reccomend using the max amps for full power to the motors
[14:08:24] <sensille> they're not getting warm atm, so why not
[14:08:42] <gloops> dont change the driver settings with the power on
[14:08:53] <sensille> yeah, i don't
[14:09:02] <sensille> can linuxcnc handle 1/16th?
[14:09:13] <gloops> yes, and 1/32000
[14:09:23] <sensille> at reasonable speeds
[14:09:37] <sensille> and does it gain me anything?
[14:09:39] <gloops> calculate the SCALE and change it in the ini
[14:09:58] <sensille> depends on my latency i guess
[14:10:01] <gloops> you get more resolution - if you need it
[14:10:23] <sensille> and only lose speed
[14:10:37] <sensille> i'll try that
[14:10:43] <gloops> its arguable whether any speed is lost
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[14:11:47] <sensille> yeah, i know the factors. but that's the only possible downside
[14:14:52] <gloops> lets see 5mm screw, 1600 steps = .03 res
[14:16:02] <sensille> 0.003
[14:16:53] <Elmo40> only slightly off...
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[14:25:22] <sensille> the moment when you think you've broken everything...
[14:25:30] <sensille> forgot to re-plug the lpt cable
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[14:28:07] <sensille> joint 1 following error, so with 1/16th linuxcnc can't keep up on my machine, or only up to 1500mm/min
[14:33:27] <gloops> running from your own PC sensille? that seems pretty slow
[14:35:09] <sensille> maybe some setting is still wrong
[14:35:27] <sensille> but it makes a much smoother impression with 1/16th, i like that
[14:36:06] <sensille> and the 3A add noise
[14:36:20] <sensille> it's a dedicated PC, but quite old
[14:37:36] <sensille> some phenom cpu
[14:37:48] <gloops> noise as in audible?
[14:38:09] <sensille> yes, probably pwm switching
[14:39:26] <sensille> direction change really make a much better impression with 1/16th, i want to keep that
[14:39:32] <gloops> yes i wouldnt worry about that
[14:40:16] <sensille> Phenom II X4 945
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[14:42:57] <sensille> need to increase BASE_PERIOD
[14:43:40] <gloops> assume youve run the latency check
[14:47:08] <sensille> currently running again. ~8000ns
[14:50:48] <gloops> that should be fine
[14:57:33] <sensille> need to find the setup/hold times for the tb6560 drivers
[15:02:01] <sensille> hm. max stepping frequency 15kHz? that's about the limit i also observe
[15:03:59] <gloops> i would sling those drivers and get some DM542s
[15:04:08] <gloops> or at least the newer tb6600
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[15:05:37] <gloops> Pulse input frequency up to 200 KHz
[15:05:56] <sensille> i'll get something with 1/256th microstepping and drive them from my fpga :)
[15:10:48] <gloops> well youll get the theoretical resolution - but might be slightly beyond the mechanical potential lol
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[15:19:42] <gloops> http://www.haoyuelectronics.com
[15:21:22] <lostinsip> hi gloops :)
[15:21:45] <gloops> hi, hows it going
[15:22:34] <lostinsip> not too bad, in the middle of trying to work out how to reduce the price of this proposed CNC
[15:23:00] <lostinsip> basically it seems the americans pay a lot more for aluminium than we do
[15:23:23] <Deejay> i think they buy aluminum :)
[15:23:25] <lostinsip> and then if I import it it is subject to 7.5% duty
[15:23:54] <lostinsip> this is true, perhaps thats why the price is different
[15:24:03] <Deejay> hehe ;)
[15:24:20] <lostinsip> i checked the drawings and i think aluminium and aluminum are copatable
[15:24:26] <lostinsip> *compatable
[15:24:38] <lostinsip> my spelling is shit
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[15:27:19] <gloops> well i thought it was a bit pricey, but i tend to be cautious with money lol
[15:27:49] <gloops> cheaper to buy the extrusions here and a chop saw
[15:28:04] <lostinsip> yeah way cheaper
[15:28:37] <lostinsip> in fact i dont even need to saw them as KJN will cut to length with a posh cnc saw
[15:28:53] <lostinsip> works out about half the price
[15:29:20] <gloops> oh well, if its cut as well thats half the job done
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[15:29:57] <gloops> universal fittings and brackets for that stuff
[15:30:07] <lostinsip> and CNC router parts kindly provide a cutting list!
[15:31:24] <lostinsip> i will still go for their drives and electronics as I need to make sure I dont start a build project that becomes the project rater than the business
[15:32:27] <gloops> youd probably find identical electrics elsewhere too, but i know what youre saying
[15:33:39] <lostinsip> yeah I have been looking carefully
[15:33:54] <lostinsip> and basically could build it all with bits sourced in the UK
[15:35:08] <lostinsip> but multiple suppliers and the need to ensure everything was set up in terms of config files etc. etc.
[15:36:12] <lostinsip> and my gf (who is half the business) knows i could get lost in tinkering and we wont make any mony haha
[15:36:16] <Tom_L> SW should have a lib for that stuff...
[15:36:38] <Tom_L> what stuff are you planning to make?
[15:37:38] <Wolf__> really, if it was me setting up to make wood and metal things, I would just DIY a router and plasma table
[15:37:43] <lostinsip> SW?
[15:37:55] <lostinsip> oh software sorry
[15:37:55] <Wolf__> vs a 2 in one
[15:38:17] <lostinsip> its a fair point Wolf__
[15:39:02] <Tom_L> not sure i'd do a dual purpose one personally
[15:39:36] <lostinsip> Its definitely being considered
[15:39:37] <Wolf__> 2 in one might seem like a good idea for a prototyping shop or something, but possible production machine, dual use is a bad idea
[15:40:16] <lostinsip> we will be doing a fair bit of prototyping at first and are not looking at high volumes initially
[15:40:31] <lostinsip> hence the dual machine, but I am giving it all a lot of thought
[15:41:19] <lostinsip> if I had more experience in the CNC control side and more time I would go all DIY
[15:41:43] <Tom_L> we're here to help
[15:41:49] <Wolf__> better to learn it
[15:41:53] <lostinsip> thanks Tom_L :)
[15:42:07] <Wolf__> then to have a machine that you cant trouble shoot or repair
[15:42:39] <lostinsip> Wolf__: yeah definitely
[15:43:02] <Wolf__> and if I can figure the cnc stuff out, anyone can lol
[15:43:07] <Tom_L> provided you take good notes :)
[15:43:55] <lostinsip> I am quite keen to source as much of the kit in the UK as I can, its mostly from china amyway lol
[15:44:40] <lostinsip> difficulty comes in convincing my partner im not going to buy a lot of kit which i turn into a non functional unit
[15:45:13] <gloops> it is a stepper motor build i think? up and running in a few hours if you pester people in here while youre doing it heh
[15:45:50] <lostinsip> well that is very encouraging gloops
[15:48:02] <lostinsip> I really want to know the machine well, and if im honest id rather use hybrid steppers with encoders
[15:48:32] <lostinsip> as for me open loop control over an 8x4 bed seems like it could be prone to issues
[15:49:28] <lostinsip> so much to learn!
[15:50:07] <Wolf__> thats kinda how I wanted to do my plasma, clear-path servos and gear rack drive
[15:50:36] <lostinsip> yeah it seems a better set-up
[15:51:08] <lostinsip> I need to try and source a torch height control system in the uk thats proving harder
[15:51:21] <gloops> http://www.cncrouterparts.com
[15:51:43] <gloops> i mean that would be nice to just hang on the wall and connect up
[15:51:54] <lostinsip> Yeah I was looking at the NEMA 34 but same idea
[15:52:46] <Wolf__> I’m doing a mesa controlled setup
[15:52:53] <gloops> $1500 though, can be done a lot cheaper, with a bit of spare time
[15:52:59] <lostinsip> its hitting a good balance between going to half a dozen suppliers ordering bits and making lists etc. and just paying one supplier
[15:53:15] <lostinsip> yeah gloops
[15:53:43] <Wolf__> 0.o
[15:53:46] <lostinsip> and I do have some time, but also have to concrete the floor of the building, install power and extend the compressed air
[15:53:48] <Wolf__> $1500...
[15:54:10] <lostinsip> mesa controled Wolf__ ?
[15:55:09] <Wolf__> could do 4x 420oz-in clear path for $1200~ mesa 7i96 and THCad for damn near the same cost
[15:55:33] <Wolf__> https://mesaus.com
[15:55:43] <lostinsip> thanks i will take a look
[15:56:14] <lostinsip> the big issue with bringing anything from the US is its a major pain with import and duty
[15:56:38] <gloops> https://www.ebay.co.uk
[15:56:39] <lostinsip> hence trying to source in the uk or europe
[15:57:43] <lostinsip> yeah i have looked at various kit similar gloops
[15:58:50] <Wolf__> the mesa board I mentioned is just a i/o & step gen interface for lcnc
[15:59:10] <lostinsip> ah ok
[15:59:34] <Wolf__> also handles the encoder input from the torch height controller ad card
[15:59:41] <lostinsip> I am on a pretty steep learning curve here after years in the energy industry
[16:00:07] <lostinsip> yeah torch height control is pretty important for me to sort out
[16:01:20] <Wolf__> I just wish I had a newer plasma machine w/ built in voltage divider but its really not that big of a thing
[16:02:06] <lostinsip> I will be replacing my old saf plasma with a new hypertherm for this project
[16:02:48] <lostinsip> there is an interface in that machine, although i have no idea how that connects to the z axis
[16:03:59] <Wolf__> the thcad board takes the torch arc voltage (post divider) and converts it to analog output to the mesa encoder input, then linux cnc controls the Z axis directly
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[16:06:14] <lostinsip> ah ok so there is a 0-10v or whatever from the plasma this is read as an analogue input
[16:06:31] <Wolf__> only 2 other pairs out of the hypertherm, arc ok (machine move ok) output which is just a relay switched pair and plasma start signal
[16:06:51] <Wolf__> yup for the 0-10V
[16:06:58] <CaptHindsight> https://www.ono3d.net heh they contacted us.... are they even shipping that cell phone adapter/printer?
[16:07:04] <lostinsip> ah ok that makes sense
[16:07:17] <Wolf__> newer hyperthem have the voltage divider internal
[16:07:26] <CaptHindsight> still says pre-orders on the website
[16:07:28] <lostinsip> this will be the new 45xp
[16:07:44] <lostinsip> which i am very excited by as it looks awesome!!
[16:07:46] <Wolf__> and you can order sample parts from TE.com to make up the CPC cable
[16:08:08] <Wolf__> or you can order the parts
[16:08:19] <lostinsip> cpc is the connector used on the hypertherm?
[16:08:21] <Wolf__> still cheaper then the cnc cable they sell
[16:08:21] <CaptHindsight> https://www.reddit.com
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[16:08:28] <Wolf__> yeah
[16:08:33] <lostinsip> ok cool
[16:08:55] <lostinsip> i am watching a video on clear path motors they look great
[16:08:59] <Wolf__> I’m using a hypertherm 1000, but they haven’t changed the interface
[16:09:39] <lostinsip> the thing that i am most daunted by is the software setup, i am absolutely not a programmer/coder
[16:10:01] <lostinsip> the wiring and mechanics are not a bother for me
[16:10:02] <Wolf__> Nether am I lol
[16:10:21] <lostinsip> been building and wiring stuff for 30 years haha
[16:10:41] <lostinsip> but break out in a sweat when faced with a config file lol
[16:12:34] <Wolf__> jt is a big help with that stuff http://gnipsel.com
[16:12:45] <JT-Shop> :)
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[16:13:13] <JT-Shop> if you use a 7i96 I have a simple configuration tool for that.
[16:13:16] <Wolf__> basic setups are easy with linux cnc anyways
[16:13:41] <Wolf__> add dumb stuff like wireless pendants and whatnot make things harder
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[16:15:40] <gloops> well, ill come from the other end of things - steppers, drivers BOB - simple config, reliable, covers many pro applications - cheap
[16:16:32] <gloops> Ichs who was in here built hundreds of machines a year for schools using the cheapo chinese components, worked like a dream
[16:16:34] <Wolf__> the clearpath servos are closed loop hybrid using step/dir input
[16:16:52] <Wolf__> so same as a stepper rig
[16:17:47] <lostinsip> yeah the clearpath unit slook very nice
[16:18:18] <Wolf__> very, kinda spendy but simple
[16:18:54] <lostinsip> but given the NEMA34 stepper kit from CNC router parts is over 2000 dollars....
[16:19:42] <lostinsip> i need to read more about the clearpath units, anything that reduces panel wiring is good
[16:20:03] <Wolf__> that was part of my draw to them
[16:21:33] <lostinsip> In the end its about getting a working machine at reasonable cost rather than a very cheap machine, i it can have a closed loop system easilly that would be awesome
[16:21:44] <Nick001-shop> Is there a 5i25 card that fits into a pci-e ?
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[16:25:02] <lostinsip> JT-Shop: you say a 7i96 card and Nick001-shop mentions a 5i25 can someone give me a quick overview of what the codes mean?
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[16:26:20] <Wolf__> mesa card part numbers
[16:27:34] <lostinsip> ah ok
[16:27:54] <lostinsip> so you would recomend the mesa cards as control boards for a linux cnc project
[16:28:00] <Wolf__> 5i25 = PCI i/o card, 6i25 PCIE, 7i96 is ethernet step/dir i/o card
[16:28:14] <lostinsip> ok cool
[16:28:43] * lostinsip reaches up to the next ledge on the vertical learning curve
[16:29:11] <Wolf__> LPT breakout board works as well, but i’m not sure on the encoder input for a THC
[16:30:33] <Wolf__> I’m using a 7i96 (https://mesaus.com/index.php?route=product/product&path=66&product_id=150) + mesa THCad (https://mesaus.com/index.php?route=product/product&path=65&product_id=64) on my plasma build
[16:31:06] <lostinsip> ok cool thanks
[16:31:54] <lostinsip> i am being wowed by clearpaths product videos haha
[16:32:02] <Wolf__> lol
[16:32:39] <Wolf__> I had nema 23 sets stocked up already so I just used those right now
[16:32:59] <lostinsip> always good to use what you have
[16:33:45] <lostinsip> the 7i96 looks great
[16:34:52] <lostinsip> ethernet capability is good, in vague looking at some of the chinese control kit there is still stuff using parralel ports
[16:35:05] <lostinsip> which i had assumed were a thing of the past!
[16:36:41] <lostinsip> so I assume that with step and direction output the 7i96 would drive a clearpath sd without anything more than a cable?
[16:36:50] <lostinsip> and a PSU for the motor of course
[16:36:53] <Wolf__> yup
[16:37:59] <lostinsip> ok thats cool
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[16:39:24] <lostinsip> for general purpose i/o for things like limit switches etc i guess another board is needed?
[16:39:24] <gloops> what kind of stuff is this machine going to make lostinsip?
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[16:41:49] <lostinsip> well without giving away any trade secrets there will be some making to order of plasma parts for a few businesses and maybe some routed components
[16:41:53] <Wolf__> nope, the 7i96 has I/O screw headers
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[16:42:33] <lostinsip> but the main thrust will be a range of designs we have for some decorative designs using stainles, wood and slate
[16:42:44] <Wolf__> almost enough if you want to go nuts w/ min/max limit switches lol
[16:43:12] <lostinsip> thats great, i will read the specs more closely
[16:43:56] <lostinsip> compatibility with linux is a big plus as it saves a windows license and i loathe windows
[16:44:11] <Deejay> gn8
[16:45:04] <lostinsip> guys, just going to have some supper back in 15 or so
[16:45:17] <lostinsip> you have all been really helpful im very grateful
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[16:46:13] <JT-Shop> lostinsip: 7i96 is a stepper card that uses ethernet, a 5i25 is a PCI card and a 7i76 is the stepper daughter card for the 5i25 or 6i25 or 7i92
[16:46:42] <sensille> gloops: also although stepper as well as driver are set to 3A, i think it means 3A max for the driver and 3A RMS for the stepper
[16:47:44] <gloops> well you dont want to exceed the amps rating for the motor
[16:47:53] <gloops> you can put more volts in
[16:48:56] <sensille> i mean the rating use a different base, max vs. rms
[16:49:38] <sensille> but not 100% sure, it's never stated that clearly
[16:49:42] <gloops> ahh right
[16:53:51] <gloops> what are the motors sensille 270 oz?
[17:04:18] <Nick001-shop> <JT-Shop>Is there a 5i25 card for a pci-e 2.0x1 slot? I have an ITX motherboard with a single slot
[17:06:08] <sensille> gloops: they don't say. but after thinking more about it i think that steppers are normally rated max, while drivers are rated RMS, but the datasheet for the driver says 3.5A max. that doesn't mean that the 3A marked on the board are 3A max, though :-/
[17:07:46] <sensille> anyway, enough frustration for today
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[17:08:16] <rmu> Nick001-shop: 6i25 ?
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[17:16:56] <jthornton> Nick001-shop: 6i25 is for pcie
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[17:18:49] <lostinsip> back from eating
[17:19:16] <lostinsip> been having a look at clearpath motors a bit more too
[17:21:30] <Loetmichel> *gnhihi* $me just got a bunch new Tshirts with writing on it from the wife. best two: "KLAR! MACHE ICH! (nur nicht jetzt)" (SURE, WILL DO! (just not right now) and "Ein Herz aus Gold, Nerven wie Drahtseile, ein eiserner Willen... Für so viel Metall ist mein Gewicht eigentlich OK!" (A heart of gold, nerves like steel cable, an iron will.. For so much metal my weight is allright!)
[17:21:46] <Nick001-shop> will it drive a 7i77?
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[17:28:29] <JT-Shop> Nick001-shop: a 5i25, 6i25 or 7i92 can have a 7i77 as a daughter card
[17:29:20] <Nick001-shop> Ok - what is a 7i77D vs 7i77?
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[17:36:26] <`Wolf_> one they put a D at the end of the number
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[17:38:07] <Nick001-shop> found it - the D is for a DIN rail mount -
[17:38:39] <Nick001-shop> I think
[17:39:06] <`Wolf_> Isolated I/O includes 32 sinking inputs and 16 sourcing outputs on 7i77
[17:39:26] <`Wolf_> Isolated I/O includes 32 sinking inputs and 16 sinking outputs 7i77D
[17:41:46] <Nick001-shop> Thanks - more stuff to figure out
[17:42:33] <`Wolf_> get 1 of each
[17:42:35] <`Wolf_> =)
[17:44:05] <Nick001-shop> Sure - just to add to my shelves of stuff
[17:45:11] <JT-Shop> Nick001-shop: nope different outputs IIRC
[17:45:47] <`Wolf_> I think the outputs only really make a diff if you are doing a retofit
[17:45:50] <JT-Shop> `Wolf_: got it right :)
[17:46:03] <JT-Shop> yep some machines need sourcing some need sinking
[17:46:24] <JT-Shop> LAN cable in the chicken coop tested out first time :)
[17:46:26] <`Wolf_> took a min for it to click, I remember wondering the same thing when I started look at mesa stuff
[17:47:14] <Nick001-shop> I guess I need the sourcing as that's whats working for me now
[17:48:12] <`Wolf_> keep in mind thats the outputs, like coolant pumps and whatnot
[17:48:13] <Tom_L> damn! we're actually talking about cnc today :)
[17:48:37] <Nick001-shop> happens sometimes
[17:49:26] <lostinsip> been looking at various motion control boards that might be available this side of the pond
[17:49:28] <lostinsip> https://www.cnc4you.co.uk
[17:49:52] <`Wolf_> ick, just no
[17:49:53] <Tom_L> not so much
[17:49:57] <JT-Shop> lostinsip: I ship to UK
[17:50:13] <lostinsip> ok i will take that as its shit lol
[17:50:16] <Tom_L> mesa is the way to go period.
[17:50:26] <lostinsip> right im not going to argue with that
[17:50:39] <`Wolf_> lostinsip: JT = mesaus
[17:50:54] <Tom_L> pcw = mesanet
[17:51:12] <JT-Shop> pcw is Mesa :)
[17:51:34] <Tom_L> you're just the banner rep
[17:51:56] <JT-Shop> :)
[17:51:57] <Tom_L> and chicken patrol
[17:52:44] <JT-Shop> aye the chicken whisperer
[17:52:55] <Tom_L> what's up with the door?
[17:54:05] <JT-Shop> just ran a LAN cable out to the new coop and going to put something on the other end now :)
[17:55:13] <lostinsip> you have an automated chicken coop?
[17:55:24] <Tom_L> of course he does
[17:56:17] <roycroft> you wouldn't believe how complicated the g-code is to make an egg
[17:56:46] <jthornton> lostinsip: aye an automated chicken coop
[17:56:54] <lostinsip> awesome
[17:57:24] <Tom_L> jthornton, did you see this? https://sct-usa.com
[17:57:41] <Tom_L> thought that looked rather handy
[17:58:25] <jthornton> no, not seen that
[17:58:54] <jthornton> lostinsip: the new coop has a 7" touch screen lol both are controlled by Raspberry Pi 3's
[17:58:55] <Tom_L> posted the other day but i think everybody was asleep
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[18:06:16] <lostinsip> jthornton: thats awesome, i love raspberry pi systems
[18:06:26] <lostinsip> and the boards are made in wales!
[18:06:32] <lostinsip> (which is were i live)
[18:12:29] <lostinsip> I will now retreat i think and sleep on the wealth of information i have received!
[18:13:01] <gregcnc> Tom_L have you used it? seems good but outputs e notation values for I?
[18:13:58] <Tom_L> not yet
[18:14:06] <Tom_L> hmm
[18:14:09] <lostinsip> big thanks Wolf__ , gloops , JT-Shop and everyone for your help and making me welcome
[18:14:29] <lostinsip> I will be back with no doubt more stupid questions soon!
[18:14:41] <Tom_L> only stupid one is the one that isn't asked
[18:14:47] <`Wolf_> np
[18:14:56] <lostinsip> thanks Tom_L :)
[18:15:01] <lostinsip> gn all
[18:15:04] * `Wolf_ knows the answers because he has already asked them
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[18:15:38] <Tom_L> gregcnc, i was gonna try to make a macro for my cad cam to do that and i went searching for ideas and ran across that
[18:16:46] <gregcnc> just looking at the code looks right, but I'm not sure how many controls understand
[18:16:50] <gregcnc> N94 G03 X0. Y0. Z0.0394 I5.9886E-5 J-0.2866
[18:16:59] <Tom_L> heh
[18:17:35] <Tom_L> i wonder if that's a 'feature' of the language it was coded in
[18:17:44] <jthornton> and angry ip says the new coop is on the LAN!
[18:19:17] <Jymmm> Electrical symbols for contactor, is this the contacts --> || and this the coil --> |\| ???
[18:21:13] <jthornton> no, first one is Normally open and the second is Normally closed contacts
[18:25:05] <Jymmm> jthornton: Ah, ok, thank you
[18:25:14] <jthornton> yw
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[18:25:51] <jthornton> did you get your heater going?
[18:27:23] <Jymmm> No, had to order the cap yesterday and got it today, but then found another relay that looks crispy (?) and it's a factory item, so bought a generic replacement, which man not physically fit, and it's such a rats nest in there
[18:28:03] <Jymmm> Even have a crimp terminal come off the wire it was on, so need to fix that now too
[18:28:39] <jthornton> damn the bad luck
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[18:28:57] <Jymmm> And all this is just hoping that no motor or compressor is broken/seized
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[18:29:54] * jthornton needs to setup the new chicken control as a service as I think I'm done programming it
[18:30:46] <Jymmm> So parts so far is fuse, contactor, PTC, cap, and relay. Oh, and there is a compressor heater that wraps around it like a "ring" that was just sitting in the bottom of the cabinet doing nothing
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[18:31:23] <jthornton> someone been in there before messing with it?
[18:31:35] <Jymmm> and its freezing and only have 18" clearance to the cabinet.
[18:32:15] <Jymmm> No well maybe over the years of repairs, or it simply worked itself loose from vibration of the years
[18:33:57] <Jymmm> jthornton: But, at least I have the parts now. I think I got lucky finding the PTC in stock locally and only $30
[18:34:16] <andypugh> You can buy a lot of eggs for $30
[18:34:46] <Tom_L> it's just not the same...
[18:35:25] <andypugh> I admit chickens can be fairly cute, but parrots seem a lot more fun and hold a better conversation
[18:35:44] <Tom_L> they can tell on you too
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[18:36:53] <jthornton> well parrots don't lay eggs every day and you would be surprised how well I speak chicken or at least understand chicken speak
[18:37:24] <Jymmm> The chicken whisprerer?
[18:37:38] <jthornton> something like that yea
[18:37:52] <Jymmm> =)
[19:03:07] <CaptHindsight> Jymmm: that ring is a spare
[19:03:28] <CaptHindsight> it's common for the Chinese to just toss those into the box :)
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[19:25:38] <andypugh> night all
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[20:04:20] <MarcelineVQ> the snow is unreal here right now, you getting covered at your place XXCoder?
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[20:35:22] <Jymmm> CaptHindsight: gotcha, wel I reattched it anyway
[20:35:31] <Jymmm> CaptHindsight: ...for shits and giggles
[20:36:37] <CaptHindsight> as long as the compressor doesn't blow a seal or that things oxidizes through somewhere you should be good for a while
[20:36:57] <CaptHindsight> motors bearings are common
[20:37:30] <CaptHindsight> so give it all a good cleaning without blowing crap into the motor or anything else that needs airflow to stay cool
[20:38:25] <CaptHindsight> i have some similar dustless HVAC units
[20:39:01] <CaptHindsight> they were all NOS, new old stock
[20:39:26] <CaptHindsight> I'm just sure to keep them as clean and clear of debris as possible
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[20:54:48] <skunkworks> i say we ended up with 12+ inches of snow
[20:55:15] <Jymmm> skunkworks: yuck
[20:56:05] <Jymmm> CaptHindsight: It's "ring heater" maybe 1/4" diameter. It fits around the base of the sealed compressor much like a hose clamp
[20:59:50] <CaptHindsight> Jymmm: was joking earlier, what year is your unit from?
[21:00:23] <Jymmm> CaptHindsight: The factory says it's a 70's/80's unit
[21:02:02] <Jymmm> CaptHindsight: The wiring giagram for that series is dated NOV 1982
[21:02:22] <Jymmm> I got them to email it to me =)
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[21:40:15] <Tom_L> thread mill question: how many passes do you typically take?
[21:40:39] <Tom_L> it's easier on the single point mill to take more than one
[21:42:22] <Tom_L> if i take 2 on a 1/4-20 nc that's about .015" per pass
[21:42:59] <Tom_L> (starting to gather info to write a macro for my cad cam)
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[22:07:35] <CaptHindsight> https://sct-usa.com
[22:08:55] <CaptHindsight> http://www.guhring.com
[22:09:18] <CaptHindsight> http://www.threadmillsusa.com
[22:10:50] <CaptHindsight> https://www.productivity.com
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[22:10:56] <CaptHindsight> compare what thse spit out
[22:11:24] <CaptHindsight> https://www.cncci.com
[22:11:25] <Roguish> depends on how much the thread mill tool costs.....
[22:13:51] <CaptHindsight> https://www.sandvik.coromant.com start at page 112
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[22:16:39] <CaptHindsight> https://www.cnccookbook.com
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[22:20:37] <CaptHindsight> https://www.youtube.com
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[22:22:15] <CaptHindsight> https://www.youtube.com
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[23:05:57] <Tom_L> i posted that first one the other day
[23:06:47] <Tom_L> CaptHindsight i've got a pretty good idea
[23:06:48] <Tom_L> thanks
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