Re: [Emc-users] How to add additional condition for enabling machine

If the air pressure is related to movement of an axis (or you want to say it is...) you can use axis.N.amp-fault-in as a place to input an your error condition. The machine won't be forced to e-stop, but will not allow the power button to be pressed/stay on. Same thing should be possible

[Emc-users] Multi-meter recommendations

Apologies, this might be slightly OT, but I imagine we all use a Multi-meter a few times a month in our EMC related work. It seems my Micronta 22-174b has given up on life, or has suffered a brain injury at the very least. After not using the meter for about 3 weeks I dusted it off and was

Re: [Emc-users] Huanyang vfd reverse

Sigh, resetting the drive to defaults cured the reverse issue. No idea what setting could have been set to cause some sort of a reverse bias or ?? issue. On Sun, 20 Aug 2017 03:40:56 -0400, David Berndt <ber...@uberwin.com> wrote: I'm having some issues commissioning my HY VFD. 4k

Re: [Emc-users] HAL - Delay before machine power

der of all things in HAL is determined. Still doesn't give enough time between the servo reset and checking servo status, but just pressing machine on again does the trick. On Tue, 09 May 2017 02:59:54 -0400, David Berndt <ber...@uberwin.com> wrote: > Hello all, > > Sorry

[Emc-users] HAL - Delay before machine power

Hello all, Sorry to disturb the email list with this, normally I'd post to the forum but it seems to be pretty unreliable lately. I'm pretty new to this, so the solution to this might be obvious. But at this time it isn't to me. Any help would be appreciated. My current situation is I'm

Re: [Emc-users] EMC traffic

Everyone gave up and moved to machinekit... On Mon, 19 Jun 2017 17:42:24 -0400, hubert wrote: Just checking, It seems unusual not to have any posts in this long a period. My last received post was 6/17/17, 12:27 PM

[Emc-users] Linuxcnc.var reset causes?

I recently restarted my machine after about a months uptime. Everything was working quite well until the window manager died (not really linuxcnc's problem). When I brought linuxcnc baack up all my work offsets, 54,55,56,57 were used, were all 0. Super annoying I reset g56 and tested

[Emc-users] Backlash compensation speed

I was having a backlash issue yesterday that lead me to wondering. How is backlash taken up? At rapid speed? At max acceleration? More? Less? What governs how the motion to backlash comp is taken up? Kind of a moot point because it turned out my backlash problem was some loose bolts in a

Re: [Emc-users] MDI edit/UI question

Sigh. No. It's a python file. I'm not a python expert, but that totally sounds like the kind of thing that'll just get realtime interpreted. Why would anyone want to rebuild... Now I have to remember back 4 months ago to when I built initially, figure out how the heck to rebuild, any what

Re: [Emc-users] MDI edit/UI question

I jumped through the hoops of fire. It works. Thanks for the patch and support. Dave On Thu, 24 Aug 2017 15:30:03 -0400, David Berndt <ber...@uberwin.com> wrote: Sigh. No. It's a python file. I'm not a python expert, but that totally sounds like the kind of thing that'll ju

[Emc-users] MDI edit/UI question

Maybe this is an easy one, maybe not. When using axis in standard config, on the mdi screen, if you've selected the "MDI Command" text box, you can use the up/down arrows to scroll through the history, enter to run the currently selected history command, and if you use the mouse to click

Re: [Emc-users] MDI edit/UI question

I got no joy on this one, or I don't understand the expected result of the patch. In 2.7.8 that I pulled/built a few months back. Changes appear to apply just fine, but when scrolling through the history list I can't press home, left, right, end, etc to begin edittng. Turns out insert

Re: [Emc-users] Huanyang vfd reverse

On Sun, Aug 20, 2017 at 10:45 AM, David Berndt <ber...@uberwin.com> wrote: Sigh, resetting the drive to defaults cured the reverse issue. No idea what setting could have been set to cause some sort of a reverse bias or ?? issue. On Sun, 20 Aug 2017 03:40:56 -0400, David Berndt <ber

[Emc-users] Huanyang vfd reverse

I'm having some issues commissioning my HY VFD. 4kw unit driving a 5hp 3450rpm motor at 30hz max frequency (temporary 2 pole motor, 4 pole motor is in the mail). Works great in "forward", but when it accels in reverse it trips out and throws an E.OC.N error. Which appears to be an over

Re: [Emc-users] Huanyang vfd reverse

On Sun, 20 Aug 2017 18:09:20 -0400, Gene Heskett <ghesk...@shentel.net> wrote: On Sunday 20 August 2017 03:40:56 David Berndt wrote: I'm having some issues commissioning my HY VFD. 4kw unit driving a 5hp 3450rpm motor at 30hz max frequency (temporary 2 pole motor, 4 pole

[Emc-users] Newall DRO integration

Anyone have any experience integrating a Newall DRO into linuxcnc? I happened up a scale/read head for quite cheap with no display. It might be a useful tool for roughly calibrating axis, or doing whatever other random tasks in future. I don't necessarily need it to be part of a control loop

Re: [Emc-users] ATS-667 again

jects that aren't gear-tooth-like this may be the way to go. On Sat, 27 Jan 2018 21:37:38 -0500, Gene Heskett <ghesk...@shentel.net> wrote: On Saturday 27 January 2018 19:09:07 David Berndt wrote: A new name, I'll say welcome in case no one else does. I'll jump in here and be slightly off

Re: [Emc-users] ATS-667 again

I'll jump in here and be slightly off topic. I've recently been setting up some ATS688s for spindle encoding on a big straight bevel gear. Works great. Wish the duty cycle was a bit higher so I wouldn't have to skew the A/B phases off 90 degrees. But the gear teeth aren't square like the

[Emc-users] Large servo selection

Wondering if anyone had any preference/experience/advise to share with single phase capable larger servos. I'm looking at an application for a 3 to 5hp motor with a vfd, but if I could just get a servo to fill in that'd be nice. Gear reduction will be required, but something with more

Re: [Emc-users] Large servo selection

n live with a VFD, your life will be much simpler to simply get a single phase input VFD and a suitable motor. You can find 3 phase gearbox equipped motors on Ebay that can get you 500 rpm max. Dave On 4/11/2018 2:01 AM, David Berndt wrote: Wondering if anyone had any preference/experience/

Re: [Emc-users] Large servo selection

nd to be a bit elastic when pulled hard so you may need a 3+ inch wide belt. But it can certainly move quickly. The cost for the belting is quite reasonable. On 4/11/2018 3:21 PM, John Kasunich wrote: On Wed, Apr 11, 2018, at 3:08 PM, John Kasunich wrote: On Wed, Apr 11, 2018, at 10:30

Re: [Emc-users] TSC, grrrrr.

What? What exactly is the pitch/sizing on a USS bolt? Google doesn't really return much for a USS thread chart... UNS? 7/16-18? TSC was formed in 1938, perhaps you got their last piece of original stock? On Mon, 02 Apr 2018 19:35:27 -0400, Gene Heskett wrote: I

[Emc-users] Spindle Encoder AEDR-8300 Encoder Ring

Hi EMC folks and more specifically Andy Pugh, I was hoping you could let me know which of the AEDR line you used and how fine a pattern you put on your encoder wheel on one of your lathes. It seems the reasonable options are the 36 LPI or 75LPI models, but I suspect you did less? if so was

Re: [Emc-users] Spindle Encoder AEDR-8300 Encoder Ring

mounting for my encoder ring, so options for adapting an off the shelf encoder ring seem low as not many are that large. Dave On Wed, 31 Oct 2018 16:48:46 -0400, andy pugh wrote: On Wed, 31 Oct 2018 at 19:00, David Berndt wrote: if so was it with one of the one channel output units instea

Re: [Emc-users] Spindle Encoder AEDR-8300 Encoder Ring

I actually tried this technique previously using the ats675s but I couldn't get a satisfactory quadrature output, my gear teeth produced more like a 25-30% on time and 70% off, so clocking the two sensors for real quadrature was problematic and didn't really provide the result I was

Re: [Emc-users] Spindle Encoder AEDR-8300 Encoder Ring

cases like this, letting my little mill make gears for itself, the large mill and the lathe with MS Excel and a home made stepper program. Peter Am 29.11.2018 um 06:52 schrieb David Berndt: Alright, Dragging this back up. A knockoff Omron encoder showed up in the mail, well I assume It's a

Re: [Emc-users] Spindle Encoder AEDR-8300 Encoder Ring

location on the spindle every rotation. Disconnect it and run a real once per rotation index? Contrive some sort of index scaling using oneshot or something crazy like that? Regards, Dave On Thu, 01 Nov 2018 06:30:19 -0400, andy pugh wrote: On Thu, 1 Nov 2018 at 03:31, David Berndt wrote

Re: [Emc-users] Done with that panel code, with one exception

I could write a big email about this, and I will if you want to, just let me know. But I'll jump in here and agree with Chris. You're missing out not having a cad/cam package. You're not able to use your tools, or your time to optimum effect, and you're not getting the best end result that

Re: [Emc-users] CNC Press Brake at TXRX Labs

Pretty interesting. But I know nothing about press brakes... Is the code run by some sort of step through procedure? Presumably a press like this is much more versatile than a manual machine as messing with the back-gauges becomes unnecessary. Any other big advantages? Do you have

Re: [Emc-users] Methods of Homeing a rotary?

I'm just finishing up a rotary built with a 750w servo and Spinea TS 200 and I plan to run a trunion style setup, so when that is level wrt to the Y axis, that's "home" imo. I've be pondering this a bit as well. I'm thinking a Fadal style homing system might be best (I have no real fadal

Re: [Emc-users] G54.1?

I'm not motivated enough to try to put this feature in myself, but would certainly make use of it. I have enough WCS's to survive as is, but feel a bit cramped... I'm not really sure how this works for the linuxcnc project, but along the lines of bug bounties, I'd throw in 40$ CAD (a

Re: [Emc-users] Machine For Conversion?

Retrofit and keep all the fanuc hardware/motors? Production shop or hobby? What's your tolerance for a working machine vs a project? Three Phase available? I think the hardware looks snazzy, I'd dubious about it actually being bt35, guessing more like a 40 taper. For myself I'd strip the

Re: [Emc-users] Detecting ESTOP and Machine ON/OFF in Axis user interface

iocontrol.0.user−enable−out (Bit, Out) FALSE when an internal estop condition exists iocontrol.0.user−request−enable (Bit, Out) TRUE when the user has requested that estop be cleared and halui.machine.is−on bit out pin for machine is On/Off are what I've used in past I believe. On

Re: [Emc-users] ESTOP and Machine Enable.

My take is E-stop is E-stop. It should remove high voltage to your drives/spindles. In some setups it might be a fairly unpleasant button to press, will your Z axis fall a little before the brake kicks in? Will your VFD hate you for suddenly disconnecting it from the mains and preventing

Re: [Emc-users] ESTOP Power Control

Maybe I'm lost... But do you need this? Control side of the drives is up and encoders are counting right? So why do the drives need to be ready to actually move just because you're going to send disable estop? The machine still isn't in the "machine on" state, so drive enables aren't

Re: [Emc-users] Ebay Servo Drive

I'm confused by these sorts of drives. I guess for a 3060 or something... But why don't people just spend the time and read up on older mitsubishi, sigma, automation direct (probably delta made?), delta, drives or their alibaba knockoffs then get those, there are tons around on ebay,

[Emc-users] PROGRAM_PREFIX with spaces

Just wanted to drop a note to the to the group so that other's don't have to troubleshoot this maybe as much as I have. Turns out it might not be a great idea to put spaces in the directories that will go in your program path. It prevents custom M Codes from running from that directory and

[Emc-users] Backlash comp monitoring

Hello All, I'm having a bit of an issue with some geometry not coming out as expected. I suspect it's related to backlash and cutting forces moving the table a bit but I don't have linear scales to monitor/correct for that sort of thing so I'm left wondering a bit. I was hoping that being

Re: [Emc-users] question about glue

Not directly glue advise. But gear tooth sensor advise. Don't let the heads of those things rip off and go through my gear head mill's bevel gear teeth. Not pretty. No teeth broke but there is a surprising amount of quite hard metal in the middle of something like an Allegro ATS675 it

Re: [Emc-users] Open source CNC architecture

On Sat, 15 Feb 2020 01:56:44 -0500, Rafael Skodlar wrote: On 2020-02-11 01:04, Chris Albertson wrote: I said people *want* to use CNC like a laser printer. Most setups are not that good. It is a goal and if designing a new system. It is good to set the bar high and try to do

Re: [Emc-users] best diy 4th axis

Alright, maybe i'm shooting myself in the foot here by inducing demand and I won't be able to get any cheap ebay units in future, but here goes... I bought a used spinea ts200 about a year ago and put a 750w servo on the back of it, built an enclosure and use it primarily as a fixturing

Re: [Emc-users] best diy 4th axis

into that pipe fixture from the side. https://photos.app.goo.gl/zHxXurYgmY22msqb9 -Dave On Wed, 01 Apr 2020 03:05:52 -0400, John Dammeyer wrote: From: David Berndt [mailto:ber...@uberwin.com] Alright, maybe i'm shooting myself in the foot here by inducing demand and I won't be able to get

Re: [Emc-users] Encoder reset on homing to index

to change tuning with the addition of a linear scale...) are my next steps. -Dave On Sat, 25 Apr 2020 09:44:14 -0400, Peter C. Wallace wrote: On Sat, 25 Apr 2020, David Berndt wrote: Date: Sat, 25 Apr 2020 03:23:20 -0400 From: David Berndt Reply-To: "Enhanced Machine Controller (EMC

Re: [Emc-users] Encoder reset on homing to index

wrote: On Sat, 25 Apr 2020, David Berndt wrote: Date: Sat, 25 Apr 2020 23:13:59 -0400 From: David Berndt To: Peter C. Wallace Cc: "Enhanced Machine Controller (EMC)" Subject: Re: [Emc-users] Encoder reset on homing to index Resent-Date: Sat, 25 Apr 2020 23:39:11 -0400 R

Re: [Emc-users] Encoder reset on homing to index

direction it should. Please see screenshots, any thoughts are appreciated. -Dave On Sat, 25 Apr 2020 14:44:54 -0400, Peter C. Wallace wrote: On Sat, 25 Apr 2020, David Berndt wrote: Date: Sat, 25 Apr 2020 14:21:45 -0400 From: David Berndt To: "Enhanced Machine Controller (EMC)" ,

Re: [Emc-users] Encoder reset on homing to index

ence! Dave On 4/25/20 10:56 PM, David Berndt wrote: > The rotary loop works fine by itself. > > The linear loop, as it's just an I term is pretty useless/non > functional by itself. Maybe you could argue it's ok for really small > values of I, but then the settling time when using bo

[Emc-users] Encoder reset on homing to index

Can anyone enlighten me as to how hm2_5i25.0.encoder.N.position seems to get reset during homing to index? I assume somethnig is triggering hm2_5i25.0.encoder.N.reset? But I don't see that plumbed up anywhere in my HAL. I'm adding a linear encoder to a servo axis and am retaining my servo

Re: [Emc-users] Encoder reset on homing to index

on the second encoder? If I have to setup a whole bunch of oneshot shenanigans for this I'm going to be very disappointed. -Dave On Fri, 24 Apr 2020 17:25:00 -0400, andy pugh wrote: On Fri, 24 Apr 2020 at 22:21, David Berndt wrote: Can anyone enlighten me as to how hm2_5i25.0.encoder.N.position

Re: [Emc-users] Encoder reset on homing to index

-Dave On Fri, 24 Apr 2020 18:20:07 -0400, Peter C. Wallace wrote: On Fri, 24 Apr 2020, David Berndt wrote: Date: Fri, 24 Apr 2020 17:19:10 -0400 From: David Berndt Reply-To: "Enhanced Machine Controller (EMC)" To: emc-users@lists.sourceforge.net Subject: [Emc-users] Enc

Re: [Emc-users] Encoder reset on homing to index

: On Fri, 24 Apr 2020 at 22:21, David Berndt wrote: > > Can anyone enlighten me as to how hm2_5i25.0.encoder.N.position seems to > get reset during homing to index? I assume somethnig is triggering > hm2_5i25.0.encoder.N.reset? The encoder counts reset when encoder.N.index-en

Re: [Emc-users] Encoder reset on homing to index

em and put a very light preload on the spring to hold it in place. Then I put on my face shield and hid behind the control cabinet and did the test. -Dave On Sun, 26 Apr 2020 15:49:16 -0400, David Berndt wrote: There's about .0015-.002" of backlash and an .0005" spring in the sy

Re: [Emc-users] custom_G42 rs274

Is this for lathe or? What's the use case? -Dave On Sun, 26 Apr 2020 16:42:03 -0400, andy pugh wrote: On Sun, 26 Apr 2020 at 20:56, nkp wrote: I want the interpreter to handle the compensation path, like this: https://imgur.com/xs9e3BJ So you want it to over-cut in slots where the

Re: [Emc-users] Encoder reset on homing to index

Crankiness talking. -Dave On Fri, 24 Apr 2020 19:23:18 -0400, Peter C. Wallace wrote: On Fri, 24 Apr 2020, David Berndt wrote: Date: Fri, 24 Apr 2020 19:02:54 -0400 From: David Berndt To: "Enhanced Machine Controller (EMC)" , Peter C. Wallace Subject: Re: [Emc-users] Enc

Re: [Emc-users] Encoder reset on homing to index

-Dave On Fri, 24 Apr 2020 20:01:26 -0400, David Berndt wrote: The rotary encoder is supplying it's own power (+5v) as it's the encoder relay/output from an amplifier and not directly from the rotary encoder. The linear encoder is using the inbuilt 7i77 5v. Common ground, at least I assum

[Emc-users] Hal file naming conventions

Wondering if anyone cares to share with me a useful naming convention for your signals? Do you also use the name parameters to name your components or do you just stick with and2.0 thru and2.x? My hal config works fine, but I worry about anyone that might have to look at it after me, or

Re: [Emc-users] Cheaper than normal FHA-25B

, John Dammeyer wrote: Hi Dave, I think the question being raised is whether it's possible to create a zero backlash 4th or 5th axis with COTS hardware for less money than a harmonic drive or the cycloidal gearboxes. John -Original Message- From: David Berndt [mailto:ber

Re: [Emc-users] Cheaper than normal FHA-25B

Why are you particularly worried about that? Cyclodial gear boxes and harmonic drives are both basically 0 backlash, with potentially some lost motion. Most are repeatable well under 1 arc minute, which compared to a lot of rotary tables already out there. And that's something like a .0017"

Re: [Emc-users] Hal file naming conventions

nonsense occurs to me at the time. I guess I should start with my components and maybe the the rest might fall more into place. On Thu, 14 May 2020 07:57:55 -0400, andy pugh wrote: On Thu, 14 May 2020 at 05:42, David Berndt wrote: Wondering if anyone cares to share with me a useful naming

[Emc-users] G93 minimum value/behaviour

I've recently started playing more with a 4th axis and have Fusion spitting out some reasonably decent G93'd code. Two things have come up now that I'm running a part or two. 1) Am I correct in assuming that the G64 P/q settings have limited/no effect when using the a rotary axis and linear

Re: [Emc-users] G93 minimum value/behaviour

, Gene Heskett wrote: On Saturday 12 September 2020 07:46:05 andy pugh wrote: On Sat, 12 Sep 2020 at 05:19, David Berndt wrote: > 2) Is there a minimum value for G93 feed rates. Not as far as I know. I just tried a test move of G93 G0 X100 F0.01 and it moved 1mm in 1 minute. > ro

Re: [Emc-users] G93 minimum value/behaviour

2.7.8 On Sun, 13 Sep 2020 06:54:09 -0400, andy pugh wrote: On Sun, 13 Sep 2020 at 09:57, David Berndt wrote: F10 - 60 deg/s F5- 30 deg/s F2.5 - 15 deg/s F1- 6 deg/s F.5 - 6 deg/s F.1 - 6 deg/s That seems strange. Which version of LinuxCNC are you using

Re: [Emc-users] G93 minimum value/behaviour

it was a universal issue, clearly it's not and I can reasonably expect it to be fixed the next time I upgrade software. -Dave On Sun, 13 Sep 2020 15:21:58 -0400, andy pugh wrote: On Sun, 13 Sep 2020 at 17:13, David Berndt wrote: 2.7.8 The first thing to try is an update to 2.7.14

Re: [Emc-users] OT: Anyone tried these auto lube units?

I have had two of similar design in service for about 3 years now and both seem to work just fine. Filling them is the only real nuisance as I mounted mine in the base of the machine. Keep them very accessible if you can. On Tue, 18 Aug 2020 19:05:41 -0400, Leonardo Marsaglia wrote:

Re: [Emc-users] 4th axis engraving

Are you going to be able to use the "wrap" feature of 2d tool paths in fusion to get this done? Or are you a licensed/paying user? Autodesk has really gutted the 4/5th axis cad from the free version. I did some more complex milling a few months back and ended up buying a 4th license. If

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

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 you ar

Re: [Emc-users] Peristaltic Pump

I'm not sure I participated in the previous discussion but it is something I've been doing for about the last 6 months now. I replaced my old setup which was air combined with mist via pressurizing the mist tank and carefully regulating each stream via pnuematic regulator and a quite small

[Emc-users] G64 - view current setting

Is there any way to See the P or P and Q values of G64? A pin or param somewhere? Some other method? -Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Chinese VFDs with good reputations

Hi John, You've got me a bit interested in these drives. I'm currently looking for the biggest single phase servo I can easily find, looks like the Bergerda 1.8 or maybe even 2.6kw might be it. But it's always a bit hard to tell with the lower quality documentation these companies provide.

Re: [Emc-users] I wonder if I can fix it?

This is easily repaired by throwing it in the nearest round bin and buying a more robust Spinea cycloidal reducer and servo from ebay On Tue, 05 Jan 2021 12:25:42 -0500, andy pugh wrote: I bought an FHA-17C actuator from eBay. It was cheaper than normal, for parts or not working. It

Re: [Emc-users] Dealing with Servo Faults

No experience on commercial systems. But I agree, a servo fault throwing e-stop wouldn't be the best. The behaviour that seems standard on fault is that the machine goes to power off which removes enable from all the other axis and spindle is effective and limits the chaos to a reasonable

Re: [Emc-users] Probe recommendations.

I'm not going to say it's in the same cost range, but what about the Hallmark impact tolerant touch probe. ITTP? https://hallmarkdesign.co.nz/probe On Sun, 14 Mar 2021 17:13:17 -0400, wrote: Watch https://youtu.be/kwLydF4osc4 for an approach that I'm currently playing with to reduce

Re: [Emc-users] jerk control

I don't have a great need for it with my machines, or the time/brains to implement it. It just seems like a feature we really should have. I'd be willing to participate monetarily in some sort of system to incentivize the inclusion of jerk control. Perhaps an open-source feature bounty?