Re: [Emc-users] Apparent changes in gcode in Linuxcnc 2.8.0

On Wed, 21 Oct 2020 at 14:52, Alan Condit wrote: > I have a bunch of wizards that I have written under 2.7 and under 2.8 they > won’t work. The biggest change is that you used to be able to write the > subroutine declaration as O< CutBevel > SUB [1] [2] [3] like a formal > declaration of para

[Emc-users] Halscope Log Files

Does anyone have any investment in a tool to read the halscope log file format? I am thinking that it is a bit unhelpful at the moment and a plain CSV or similar would be much easier to work with in external tools. But it would be unfortunate if doing that broke existing tools. (And it would be b

Re: [Emc-users] mesaflash problem, Peter plz comment

On Thu, 22 Oct 2020 at 02:00, Gene Heskett wrote: > No, that steers the pwm which modulates the bottom half of the bridge, > and not externally separated, both sides on these full H bridge cards. The step outputs are a differential pair, not PWM and /PWM. I am not sure if that is a real distinct

Re: [Emc-users] Halscope Log Files

On Thu, 22 Oct 2020 at 16:50, Nicklas SB Karlsson wrote: > > Did not read very carefully, if you need maybe I could spend a few other > try to get the halscope log file into Octave. I would be much more interested in getting a halcope log back in to halscope. -- atp "A motorcycle is a bicycle w

Re: [Emc-users] Apparent changes in gcode in Linuxcnc 2.8.0

On Wed, 21 Oct 2020 at 14:52, Alan Condit wrote: > I have a bunch of wizards that I have written under 2.7 and under 2.8 they > won’t work. The biggest change is that you used to be able to write the > subroutine declaration as O< CutBevel > SUB [1] [2] [3] like a formal > declaration of para

Re: [Emc-users] Emc-users Digest, Vol 174, Issue 64

On Fri, 23 Oct 2020 at 00:31, Alan Condit wrote: > Thank you very much. Because of the error message I was looking in the > wrong place. That fix got it to load successfully, and allowed me to debug > the problem and fix it. It was reporting the error in the subroutine at the subroutine call lin

Re: [Emc-users] Limit switches for my lathe

On Mon, 26 Oct 2020 at 15:29, Alan Condit wrote: > I am having trouble figuring out the placement of the Z limit switch or > switches I was troubled by the same issue, and did some bodgery to make the resolvers return an absolute position, so that now I can home without moving. This might be

Re: [Emc-users] (no subject)

On Tue, 27 Oct 2020 at 01:18, John Figie wrote: > I recently > assembled the second MB and decided to install Debian 10 using a USB drive. Is this using the standard Debian installer, or the LinuxCNC installer? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for

Re: [Emc-users] OT: probing query_01

On Wed, 28 Oct 2020 at 09:25, Roland Jollivet wrote: > I want to make a touch probe, and looking at the classic Renishaw tripod > style, an obvious limitation is the lobing error. > Is this appreciable (<5um?) or is it dwarfed by taper-mounting and spindle > error? I have never let it worry me t

Re: [Emc-users] how to control lathe spindle with a mesa 7i77 card

On Thu, 29 Oct 2020 at 10:23, andrew beck wrote: > I think the 7i77 is a bit different though and just wondering how to best > control the VFD The 7i77 is +/- 10V so you would want to use an "abs" module to make sure that the 7i77 analogout doesn't see the negative spindle speed commands Then se

Re: [Emc-users] I am STILL not getting G2/G3

On Sat, 31 Oct 2020 at 20:48, Gene Heskett wrote: > Yes Jon, r1 does not equal r2. Gawd I wish that error window was > copy/pastable. The code straight out of counterbore.py has exactly the > same error. G90 / G91 and G90.1 / G91.1 need to match the assumptions of the G-code. -- atp "A motorcy

Re: [Emc-users] EPP

On Sun, 1 Nov 2020 at 16:02, dave engvall wrote: > I have a application for a 7i37/ 7i33. In face a couple of them. > First try has been a D525 with a SIIG single pport. Do you really mean 7i37? Or maybe 7i43? > First off I have no idea if the SIIG board works and indeed no idea of > how to tes

Re: [Emc-users] how to control lathe spindle with a mesa 7i77 card

On Sun, 1 Nov 2020 at 04:43, andrew beck wrote: > On a 7i76 the 0_10v is isolated from the Mesa card I think. Is a 7i77 > similar? I just a bit cagy about connecting up electrically to the VFD > inputs. As I don't want to blow anything. I don't know. PCW would know. > I'm still struggling to

Re: [Emc-users] how to control lathe spindle with a mesa 7i77 card

On Sun, 1 Nov 2020 at 19:12, Ed wrote: > Where would a Mesa SpinX1 or a Pico Spindle DAC fit in here? The Spin1X is (as I understand it) basically the PWM-to-Analog stage from a Mesa card as a standalone board. (The 7i76 spindle out does _not_ use PWM, that's a smart-serial digital signal. --

Re: [Emc-users] Doc puzzle

> On 1 Nov 2020, at 22:53, Gene Heskett wrote: > > So what does the L option do? It allows you to repeat the cycle. Described in the canned cycle intro. http://linuxcnc.org/docs/2.8/html/gcode/g-code.html#gcode:g80-g89 ___ Emc-users mailing list

Re: [Emc-users] EPP

On Sun, 1 Nov 2020 at 23:18, dave engvall wrote: > > Middle of afternoon and I still need coffee. ;-) Let's try 7i43. The 7i43 loads firmware at startup. 1) Make sure that you have the firmware you need in /lib/firmware/hm2/7i43 2) Work out the base address of the card (or you can try to use Lin

Re: [Emc-users] how to control lathe spindle with a mesa 7i77 card

On Mon, 2 Nov 2020 at 09:33, andrew beck wrote: > I am controlling a 1988 fanuc velocity spindle drive. And no Idea about > isolation. Not keen to try it lol. Give Mesa a phone call? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mecha

Re: [Emc-users] Relatively cheap harmonic actuator

On Sat, 5 Sep 2020 at 16:20, Tom Smart wrote: > > Did anyone order one of these drives from this listing? I ordered one and go > an email today saying they only had 2 left and they were both faulty so > canceled my order. Which is odd, as that same listing now says that they have 10 @ £525 and

Re: [Emc-users] learning how to write a simple canned cycle.

On Wed, 4 Nov 2020 at 22:11, Mark Johnsen wrote: > > Andy Pugh (and others) can answer this better than I can, but here's a link > to Andy's website on using the lathe: > http://www.bodgesoc.org/lathe/lathe.html That's pretty old now. If you have the latest LinuxCNC (2

Re: [Emc-users] learning how to write a simple canned cycle.

On Thu, 5 Nov 2020 at 00:46, R C wrote: > Currently I am using axis 2.7.15, I would like to try that. I am > planning on building another machine for this later (with the newest > linuxCNC) > Is it a lot of work to still try the "pretty old" stuff? The graphical version runs on 2.7 (and probab

Re: [Emc-users] learning how to write a simple canned cycle.

On Thu, 5 Nov 2020 at 01:05, R C wrote: > Where could I get it from, and how do I install it in 2.7 ? Download the ZIP file attached to the first forum post: https://forum.linuxcnc.org/41-guis/26550-lathe-macros?start=0#34357 (And note that the screenshot shows it running on LinuxCNC 2.6) You

Re: [Emc-users] learning how to write a simple canned cycle.

On Fri, 6 Nov 2020 at 00:08, R C wrote: > So that was easy to do, oh and looks great btw! Now I need to learn > how to use it :) Here is an example: https://youtu.be/nIYMfyf4jDI -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanica

Re: [Emc-users] looking for info on this youtube video and possibly getting in touch with Rob H

On Fri, 6 Nov 2020 at 23:57, andrew beck wrote: > I can't find the build thread https://forum.linuxcnc.org/30-cnc-machines/33116-matsuura-600vf-retrofit Though he hasn't been seen much since. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use

Re: [Emc-users] quick question on parallel port cables

On Sat, 7 Nov 2020 at 02:48, R C wrote: > > You will need a cable that has ALL 25 pins connected (one to one), > that's called a straight through It's a bit more than that, as some parallel cables only have enough wires to work a printer, and leave some out. You need an IEEE 1284 cable. (then

Re: [Emc-users] encoder vs headache and bad threads.

On Sat, 7 Nov 2020 at 18:03, Gene Heskett wrote: > With the servo repeat rate of 1khz, and the high speed I am spinning this > encoder, up to 15k or so is there any chance I could get an advanced > warning of this condition Set hm2.encoder.N.quadrature-error-enable and watch the quadrature-e

Re: [Emc-users] anti-freeze recommendation for water cooled spindle motors

> On 7 Nov 2020, at 23:37, Gene Heskett wrote: > > Something that's better suited for long term lack of use and uses > distilled makeup water. But I've no clue what to use in its stead. Maybe waterless coolant? https://www.amazon.com/gp/offer-listing/B010F9ZBEU As an example __

Re: [Emc-users] anti-freeze recommendation for water cooled spindle motors

On Sun, 8 Nov 2020 at 02:53, Gene Heskett wrote: > > https://www.amazon.com/gp/offer-listing/B010F9ZBEU > Outrageous price too. $200 to refill my tank? Nope. :( That suggests that the tank is much bigger than necessary. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is des

Re: [Emc-users] limit switch configuration on lathe in linxcnc (2.7)

On Sat, 7 Nov 2020 at 22:37, R C wrote: > when I click the "Home All" button, it moves the Z axis really slow > (and I mean REALLY slow). I assume that it should do that at jog speed? It should do it at the HOME_SEARCH_VELOCITY from the INI. Or, if the polarity of the input needs to be fli

Re: [Emc-users] limit switch configuration on lathe in linxcnc (2.7)

On Sun, 8 Nov 2020 at 21:59, R C wrote: > I found that one, the "search speed" in stepconf. (I shouldn't use > that I heard, since it resets other stuff, but playing with it for now.) You can carry on using stepconf unless or until you start hand-editing HAL and INI. Does Stepconf let you se

Re: [Emc-users] Velocity fluctuating, when I try to jog the machine

On Sun, 8 Nov 2020 at 22:03, Viesturs Lācis wrote: > I am stuck on a problem that I cannot figure out. > Please take a look here: https://youtu.be/LtP9wE-FUN4 > It should be steady jogging back and forth at 1074 mm/min. The motor > is not moving at a constant pace This can happen if the stephen

Re: [Emc-users] limit switch configuration on lathe in linxcnc (2.7)

On Mon, 9 Nov 2020 at 04:37, R C wrote: > when I home the X axis (with either option) , from a "random position" > (where the cross slide was left before I turned everything off for > example) It goes towards home, hits the switch, reverses and backs > off (slowly) a little and then reverses

Re: [Emc-users] Auto depth of tapping question, wild hair idea #excedrin_headache

On Mon, 9 Nov 2020 at 11:09, Gene Heskett wrote: > Does this sound like a worthwhile bit of research? Not to me. I just accept finishing the holes out with a bottoming tap by hand. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanica

Re: [Emc-users] limit switch configuration on lathe in linxcnc (2.7)

On Tue, 10 Nov 2020 at 02:57, R C wrote: > I am trying to use the macros you wrote. It seems to work in axis, and > tried the turning macro. > emc/task/emctask.cc 389: interp_error: EOF in > file:/usr/share/axis/images/axis-lathe.ngc seeking o-word: o > from line: 0 That means that the system

Re: [Emc-users] anti-freeze recommendation for water cooled spindle motors

On Tue, 10 Nov 2020 at 07:38, Gene Heskett wrote: > I've > put 100 psi air thru it both ways several times without dislodging the > crap so its glued in place pretty strongly. There are antifreezes for iron blocks and for aluminium blocks. I don't know how significant the difference is, as I thi

Re: [Emc-users] limit switch configuration on lathe in linxcnc (2.7)

On Tue, 10 Nov 2020 at 15:05, R C wrote: > Also, just wondering. Do your macros generate g-code that you have to > run? Or does it run the machine 'directly' ? They run (for example) turning.ngc as soon as you press the "run" button. There is no G-code generated. -- atp "A motorcycle is a bi

Re: [Emc-users] ender 3 and low quality sprockets

On Wed, 11 Nov 2020 at 05:15, Gene Heskett wrote: > So I've come to the conclusion that quite a bit of what you can download > as .stl's, are intended to be very low resolution so as not to compete > with the same you-toobers commercial offerings. You are free to conclude what you want, of cours

Re: [Emc-users] ender 3 and low quality sprockets

On Thu, 12 Nov 2020 at 02:22, Chris Albertson wrote: > A better approach is to create a slicer that can work with .STEP files > directly. Or slice inside the CAD software itself, where 100% of the design data is available. This isn't as hard as it sounds, I have even done it, using the built-in

Re: [Emc-users] More questions for the 3d 'spurts

On Thu, 12 Nov 2020 at 17:05, Gene Heskett wrote: > Suggested fixes? Countersunk screws instead of counterbored? More likely to be self-supporting. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunati

Re: [Emc-users] canned cycles

On Thu, 12 Nov 2020 at 18:01, R C wrote: > So I watched some videos with some simple examples, but when I try > running them in axis, it complains about "unknown g-code used. G71 and G72 are implemented in LinuxCNC 2.9 but not in 2.8. You can have G71 and G72 in 2.8 via a Python remap. if you r

Re: [Emc-users] canned cycles

On Thu, 12 Nov 2020 at 18:21, R C wrote: > Seems like I better start installing Linuxcnc 2.9 then. Is tehre a > stable version that I can download? (what is the URL ?) Sorry, no. 2.9 is the dev version and inherently a little unstable. buildbot.linuxcnc.org has instructions. The Python remap

Re: [Emc-users] canned cycles

On Thu, 12 Nov 2020 at 18:56, R C wrote: > I did see 2.8, I'll install that on a different tray, so I can swap the > 2.7.15 install back if for some reason I have issues. Whilst 2.8 is better than 2.7 in myriad ways, it isn't actually any better in respect to G71 and G72. > > Are you using softw

Re: [Emc-users] Velocity fluctuating, when I try to jog the machine

On Thu, 12 Nov 2020 at 20:21, Viesturs Lācis wrote: > Now that I think about it, when I > jog the machine and release the arrow key, it continues for at least > full second, if not more, before it actually starts to decelerate. Do you see that with physical jog buttons? I am trying to work out if

Re: [Emc-users] More questions for the 3d 'spurts

On Thu, 12 Nov 2020 at 18:35, Gene Heskett wrote: > How do I make that .stl into gcode to drive one of my mills? How do you normally make G-code? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics

Re: [Emc-users] Named subroutines

On Fri, 13 Nov 2020 at 00:19, Ralph Stirling wrote: > > I was reading the docs on remapping, and got to > wondering if the o call syntax > discussed in: > http://linuxcnc.org/docs/html/remap/remap.html > could be used directly in G-code programs. Yes. Though oddly the docs don't mention it in the

Re: [Emc-users] More questions for the 3d 'spurts

> On 13 Nov 2020, at 00:47, Gene Heskett wrote: > > Will it build and run on the armhf? Or am I the designated lab rat? It’s Python. It should run just about anywhere. I used to run it in my Mac. ___ Emc-users mailing list Emc-users@lists.sourcefor

Re: [Emc-users] back to a bad cable?

On Fri, 13 Nov 2020 at 16:18, Gene Heskett wrote: > I, despite seeingthe signals on the bobs input leds just fine, am not > seeing them at all the inputs to encoder.01 in the 5i25. That doesn't necessarily mean that they are making it as far as the IDC cable. Have you buzzed the cable through?

Re: [Emc-users] Poor memory, or new feature?

On Sat, 14 Nov 2020 at 15:13, Gene Heskett wrote: > ISTR I used to be able to control the mist and flood buttons when LCNC > was executing a program, but discovered this morning that I can't. Which UI? AFAIK you always could and still can. -- atp "A motorcycle is a bicycle with a pandemonium a

Re: [Emc-users] canned cycles

On Fri, 13 Nov 2020 at 23:43, R C wrote: > btw: where can I find that "Python remap" for the canned G71 and G72 g > codes? https://github.com/LinuxCNC/linuxcnc/tree/andypugh/g71type2remap/configs/sim/axis/g71 For the remap files and a sample .ini with the requisite additions. https://github.co

Re: [Emc-users] canned cycles

On Sat, 14 Nov 2020 at 22:25, R C wrote: > That takes care of the python errors, however, it complains about not > knowing what u is, as in: > > G71 U.1 R.05 Yes, that version doesn't use U or W as in LinuxCNC G-code those are axis designators. https://github.com/LinuxCNC/linuxcnc/blob/andypugh/

Re: [Emc-users] Poor memory, or new feature?

On Sat, 14 Nov 2020 at 22:58, Gene Heskett wrote: > > Which UI? AFAIK you always could and still can. > axis, and its all ghosted when running gcode on todays master, active > only if you stop the execution. That machine is still running wheezy, > but lcnc was fresh early this morning. Having tr

Re: [Emc-users] canned cycles

On Sat, 14 Nov 2020 at 23:19, R C wrote: > > https://github.com/LinuxCNC/linuxcnc/blob/andypugh/g71type2remap/docs/src/gcode/g-code.txt#g71-lathe-roughing-cycle-turning > > > I have no idea what you just said. It's a link to the documentation for the Python remap version of G71. > Are here any

Re: [Emc-users] Poor memory, or new feature?

On Sat, 14 Nov 2020 at 23:38, Gene Heskett wrote: > Me neither Andy. And I'd sure like it if it gets fixed. Can you create an issue? https://github.com/LinuxCNC/linuxcnc/issues -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical g

Re: [Emc-users] linuxcnc board with good epp port

On Sun, 15 Nov 2020 at 22:50, dave engvall wrote: > > With *B*lack Friday on/coming I need a recommendation for a motherboard > that has good latency and a rock solid EPP port. I have never tried it, but if I was buying I think I would get this one: https://www.mini-itx.com/~JNF791-3855 12V inpu

Re: [Emc-users] Probe with PCB piece

On Mon, 16 Nov 2020 at 20:59, Alan Condit wrote: > > However, when I read the instructions on G38.2 it talks about the switch > opening. Can I invert the probe signal and use it for switch closing? Where are you reading? The G38 docs don't talk about opening or closing, they talk about contact a

Re: [Emc-users] G64 - view current setting

On Tue, 17 Nov 2020 at 03:38, David Berndt wrote: > > Is there any way to See the P or P and Q values of G64? A pin or param > somewhere? Some other method? I have had a look, and I don't see anything. The python interface has a "get motion mode" but that does not seem to get the tolerance. If

[Emc-users] Now here is an interesting product...

Mentioned on the IRC. SKF (and maybe others) make standard 62-series bearings with a built-in encoder. The PPR isn't huge but for measuring (for example) motor speed they look handy. Also potentially a good fit for some lathes, just because the through-hole is large, even if not used as a bearing.

Re: [Emc-users] Quick question on connecting up Mesa cards

On Sat, 21 Nov 2020 at 10:35, andrew beck wrote: > Now I want to update the firmware on the 5i25 so I can use it also I don't know if you worked it out, but the 5i25_7i76_7i77 (etc) firmwares _do_ need the cards to be on the designated headers. That is why you can find a 5i25_7i76_7i77.bit and a

Re: [Emc-users] G64 - view current setting

On Tue, 24 Nov 2020 at 04:23, David Berndt wrote: > But does G64 Px operate in machine native units? or should it be reset > when changing between g20 and g21? The code here: https://github.com/LinuxCNC/linuxcnc/blob/5cb4a18e0068fe430a2f2acbf219530f68c30c32/src/emc/task/emccanon.cc#L1199 Uses "

Re: [Emc-users] Suggestions for a retrofit.

On Tue, 24 Nov 2020 at 20:25, John Figie wrote: > I am thinking that I want to use Mesa Etherent I/O cards and I want to use > PID servo control. > > About the motors: These are Peerless DC motors (8 brushes). 66V max and > 3.75 Amps Max. 800 RPM coupled directly to the ball screws with a servo >

Re: [Emc-users] Suggestions for a retrofit.

On Wed, 25 Nov 2020 at 04:01, John Figie wrote: > I looked over the information you provided. It is not clear to me how the > 7i80hv_16_sv.. "SV" sections work. The card provides a PWM output for the > 7i40, the encoder feedback comes back to the 7i40 and then back to LinuxCNC > servo thread whe

Re: [Emc-users] How do I put a buster 2.8 back on buster master-rt from buildbot?

On Thu, 26 Nov 2020 at 04:27, Gene Heskett wrote: > See subject, synaptic says master-rt doesn't exist for buster. master-rt would be RTAI. The buildbot doesn't get on with the 64-bit RTAI kernel. If you want master + RTAI then you need to compile it yourself. http://buildbot.linuxcnc.org/ --

Re: [Emc-users] Suggestions for a retrofit.

On Fri, 27 Nov 2020 at 18:45, John Figie wrote: > I think I am going to attempt to figure out what the parameters of my motor > are and make a model to simulate my control loop. For hobby stuff I think > LTspice may be good to model and simulate. I am not sure what you hope to gain from a model.

Re: [Emc-users] crazy #2

On Tue, 1 Dec 2020 at 21:40, Chris Albertson wrote: > The next step is to see why PID is not very good at this. It is reactive > and can't plan ahead.For example, it can't say "I am only a few > floors away from my target I'd better apply the brakes. That's exactly what the D term _can_ do

[Emc-users] Version 2.8.1 is released

Version 2.8.1 is largely a bugfix release based on 2.8.0. One exception is the porting back of drivers for Mesa 7i95, 7i97 and 7c80. This should be offered as an automatic update on most systems. At this time the installer ISO and Pi image will install the 2.8.0. A new version of both is likely i

Re: [Emc-users] "External" homing

On Thu, 3 Dec 2020 at 20:53, Frederic RIBLE wrote: > However, I cannot find good reference about clean integration with > LinuxCNC own homing logic. > Especially re-using standard GUI homing button/status, and auto-mode > inhibition when homing is not done I suspect that it might be best to igno

Re: [Emc-users] new motor/vfd has arrived.

On Fri, 4 Dec 2020 at 00:52, Gene Heskett wrote: > I currently have a 5i25, driving a cnc4pc c1g bob on P2, with a 7i76D on > P3. I can use the spindle controls of the 7i76D or I might be able to > talk to it thru rs485. Which is the better control, and if its the > rs485, what module does that n

Re: [Emc-users] new motor/vfd has arrived.

On Fri, 4 Dec 2020 at 15:41, Eric Keller wrote: > https://www.amazon.com/gp/product/B082KKG55T?pf_rd_r=065XPWF7ZTHWN85F18N6&pf_rd_p=9d9090dd-8b99-4ac3-b4a9-90a1db2ef53b > I'm curious what the rationale is for alligator clips. They are a fairly "universal" connector, I suppose. You can clip on to

Re: [Emc-users] Spindle indexing

On Sun, 6 Dec 2020 at 05:43, John Dammeyer wrote: > What I was wondering is if LinuxCNC, with a suitable Servo Motor or high res > encoder on the spindle can treat it like a 4th axis on a mill. Yes, absolutely. Though it isn't easy to make it very stiff. It is exactly the same as setting up s

Re: [Emc-users] [was Spindle indexing] now rigid tapping help

On Mon, 7 Dec 2020 at 11:13, Gene Heskett wrote: > Now comes the improvement request for two more pins into motion. > > I need a pin to disable the backlash move, until the spindle has actually > stopped. Are you sure that isn't what already happens? (I guess that Halscope can answer the questio

Re: [Emc-users] Mesa Tacho Generator?

On Mon, 7 Dec 2020 at 14:50, Todd Zuercher wrote: > > Is it possible to set up a firmware for a Mesa FPGA that could read the > encoder velocity from an encoder input and output that velocity as an analog > command directly to an analog output I don't know if any of the FPGAs have an analogue o

Re: [Emc-users] Mesa Tacho Generator?

On Mon, 7 Dec 2020 at 19:42, Todd Zuercher wrote: > Mostly, I was hoping to avoid the thread delays of having to go through hal > adding 1-2 more thread cycles to the "staleness" of the data. (Encoder > read/process to velocity, Hal read from Mesa, Hal process value/scale, Hal > write back to

Re: [Emc-users] Can someone define what an angular scale is?

On Wed, 9 Dec 2020 at 23:13, Gene Heskett wrote: > I noted that 1 turn of the bs-1 worm is exactly 10 degrees I would be surprised if that were the case. I think that dividing heads are either 40:1 or 90:1, and the docs for the BS1 say it is 40:1, or 9 degrees per rev. It would be better to cou

Re: [Emc-users] 7i96 multi wire input

On Thu, 10 Dec 2020 at 12:52, Sven Wesley wrote: > All will ground if one fails and then all will fail. I mean, it would be OK > but less optimal. Can you definitely not afford one io per drive? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial u

[Emc-users] I wonder...

https://hackaday.com/2020/12/10/a-xilinx-zynq-linux-fpga-board-for-under-20-the-windfall-of-decommissioned-crypto-mining/ So an ARM core and an FPGA on one board? I wonder if one could put LinuxCNC on the ARM and Hostmot2 on the FPGA? -- atp "A motorcycle is a bicycle with a pandemonium attach

Re: [Emc-users] fixed A offset problem

On Sat, 12 Dec 2020 at 00:37, Gene Heskett wrote: > The touch off works, but zero isn't zero. Where or what do I look at? Some I-gain might pull in the last little bit. Or you can display "commanded" rather than "feedback" and not see the (tiny) error. -- atp "A motorcycle is a bicycle with

Re: [Emc-users] I wonder...

On Fri, 11 Dec 2020 at 23:53, John Dammeyer wrote: > It’s the little things tha trip me up. Like setting the spindle to 1000 RPM. > Doing some cutting and then sending an MDI command like G01 X0.0 S500 > > And the spindle stopped. That surprises me. Which LinuxCNC version? (This might be my

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Sat, 12 Dec 2020 at 14:15, Matthew Herd wrote: > I would like to selectively reverse direction depending on whether a backgear > input switch is triggered. I see there is a gearchange component but I’m not > clear on how to utilize it. Does the gearchange component translate to the > pin

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Sat, 12 Dec 2020 at 14:47, John Figie wrote: > > I think a multiplexer will do what you want. > http://linuxcnc.org/docs/2.8/html/man/man9/mux2.9.html mux2 only multiplexes floats. See my reply for how to use mux_generic to make bitwise muxes. -- atp "A motorcycle is a bicycle with a pandemo

Re: [Emc-users] Raspberry Pi LinuxCNC 2.8 question.

On Sat, 12 Dec 2020 at 18:50, John Dammeyer wrote: > Is there a way in this version of the LinuxCNC to bring it 30 years into the > future or even just do like MachineKit on the Beagle and not ask that stupid > question each time? The desktop shortcut is just a little text file. Maybe comparin

Re: [Emc-users] Raspberry Pi LinuxCNC 2.8 question.

On Sat, 12 Dec 2020 at 18:50, John Dammeyer wrote: > Is there a way in this version of the LinuxCNC to bring it 30 years into the > future or even just do like MachineKit on the Beagle and not ask that stupid > question each time? I googled for "seems to be an executable script" and the first

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Mon, 14 Dec 2020 at 15:06, Matthew Herd wrote: > I’ve had a chance to do some reading. In particular, I’ve been contemplating > Jon’s approach and the spindle component. The manual is very interesting > because the spindle component seems to include most of the functionality I > need. I

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Mon, 14 Dec 2020 at 16:15, Jon Elson wrote: > Well, interesting. Now, where does spindle come from? In > my configs, I have signals like : > spindle.0.forward > and > spindle.0.speed-out > > But, there is no loadrt spindle command anywhere. This is rather unfortunate, and I am trying to dec

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Mon, 14 Dec 2020 at 17:10, Jon Elson wrote: > So, does every configs file set now need to loadrt spindle? No, the (normal) spindle pins are created when you loadrt motmod. But they have changed names. The conversion script should change the pin names in most circumstances. -- atp "A motorc

Re: [Emc-users] can i hook this to my cnc mill

On Mon, 14 Dec 2020 at 18:00, grumpy--- via Emc-users wrote: > > https://venturebeat.com/2020/12/07/nextmind-real-time-brain-computer-interface-dev-kit/ Video it if you do. And make sure you have limit switches. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed fo

Re: [Emc-users] calibrating the BS-1 battle

On Tue, 15 Dec 2020 at 00:36, Gene Heskett wrote: > So the last attempt was only for ten trips past the home switch. That > kept the halmeters out of sci notation. Tracking the encoders rawcounts > with two sample-holds, first freezing the rawcount at the first switch > passing, the second freezi

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Tue, 15 Dec 2020 at 01:42, Matthew Herd wrote: > > I’ve spent some time playing with the spindle component. It seems to have a > number of bugs, beyond the issue with the documentation. Somehow a negative > speed command multiplied by a negative gear ratio yields a negative speed. > And t

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Tue, 15 Dec 2020 at 11:47, Matthew Herd wrote: > I might take a look at modifying the component. I’m comfortable with C, so > perhaps I can work it out pretty quickly. .comp is C with some headers to create HAL pins. You should be able to just edit the gearchange.comp file (probably best t

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Tue, 15 Dec 2020 at 13:47, Matthew Herd wrote: > > I see gearchange was rewritten but then the rewrite wasn’t put into the final > release. Where are you looking? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, dar

Re: [Emc-users] calibrating the BS-1 battle

On Tue, 15 Dec 2020 at 13:48, Gene Heskett wrote: > Extending this same reasoning to that 666.66forever line of thought, > and knowing that 1 full turn of the worm is exactly 9 degrees since its > a 40/1 drive in the BS-1, can we further refine it to an even integer > number? No. Whatever th

Re: [Emc-users] Question Regarding Selective Assignments in HAL

On Tue, 15 Dec 2020 at 13:57, Matthew Herd wrote: > > https://github.com/LinuxCNC/linuxcnc/commit/0b113e98a1621d3e8aa6467eb535b514f0da3d5b#diff-667b45662b7da3b4712ad1ead290305621b11f4d0e9569f095879d1c9eff5525 > >

[Emc-users] Spindle + MDI (Was: I wonder...)

On Fri, 11 Dec 2020 at 23:53, John Dammeyer wrote: > It’s the little things tha trip me up. Like setting the spindle to 1000 RPM. > Doing some cutting and > then sending an MDI command like G01 X0.0 S500. And > the spindle stopped. Seems once > issued from the MDI it doesn't know that there

Re: [Emc-users] Spindle + MDI (Was: I wonder...)

On Tue, 15 Dec 2020 at 19:04, John Dammeyer wrote: > Enter instead G01 X1.0 F4 M3 S1000 and spindle doesn't stop but accelerates > up to 1000 RPM. The first time I tried it, I got what I expected, then I tried again and now it gives the wrong behaviour every time. So at least I have a system to

Re: [Emc-users] Spindle + MDI (Was: I wonder...)

On Tue, 15 Dec 2020 at 21:43, andy pugh wrote: > > I don't think that I have seen this with Touchy OK, you can't see this in Touchy as the MDI interface needs you to press M3 to get an S to fill out. But Gmoccapy is the same. -- atp "A motorcycle is a bicycle with a pande

Re: [Emc-users] Python question

On Wed, 16 Dec 2020 at 01:10, wrote: > > Are the necessary environment variables document somewhere? I think you just need to "import linuxcnc" to get access to linuxcnc command and state. But you would probably still need to create and net hal pins to get values from hal. -- atp "A motorcycle

Re: [Emc-users] Python question

On Wed, 16 Dec 2020 at 06:29, John Dammeyer wrote: > https://github.com/LinuxCNC/linuxcnc/blob/master/src/emc/usr_intf/emcrsh.cc > It uses sockets in that file which implies this is how communications is done. Not normally. emcrsh is an "add on" interface for communicating with remote LinuxCNC s

Re: [Emc-users] Tooling availability questions

On Thu, 17 Dec 2020 at 17:40, Gene Heskett wrote: > Is there available on the net, a good treatise of making gears with > something like this BS-1? Do you want to hob the gears or cut one tooth at a time? > And, is anyone grinding tools & making arbors to mount them? To mount what? > I have

Re: [Emc-users] Tooling availability questions

On Thu, 17 Dec 2020 at 19:05, Gene Heskett wrote: > > Do you want to hob the gears or cut one tooth at a time? > > Either. Well, there is always https://youtu.be/ZhICrb0Tbn4 And: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Hobbing -- atp "A motorcycle is a bicycle with a pandemonium attachment an

Re: [Emc-users] Tooling availability questions

On Thu, 17 Dec 2020 at 20:49, Frank Tkalcevic wrote: > Not a website, but the book "Gears and Gear Cutting" from the workshop > practice series shows how to make cutters and cut gears. This one: https://www.amazon.com/Gears-Gear-Cutting-Workshop-Practice/dp/0852429118/ Definitely a good starti

Re: [Emc-users] More on the BS-1

On Fri, 18 Dec 2020 at 08:16, Gene Heskett wrote: > > Also for a rotary table I wonder if you could use a push button on a > > control pannel. You define home to be whatever you want. For > > example if you need to make 20 cuts to cut a gear, do you care where > > the firth tooth is on the bl

Re: [Emc-users] Another Python question

On Fri, 18 Dec 2020 at 23:55, wrote: > Where can I download the python helpful functions enhancements in 2.8 > documented at > http://linuxcnc.org/docs/2.8/html/hal/halmodule.html#_helpful_functions? I am > primarily interested in how get_value is implemented. I think that they are a part of

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