Re: [Emc-users] who has used thin client pcs

2022-02-09 Thread Chris Albertson
is > > specifically i am thinking of running my cnc machines on them. they are > cheap fanless and seem to be pretty solid. > > but just seeing who else has gone down that way > > On Wed, Feb 9, 2022 at 5:58 PM Chris Albertson > wrote: > > > They work well for their

Re: [Emc-users] who has used thin client pcs

2022-02-09 Thread Chris Albertson
t; Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] What Would You Suggest?

2022-02-05 Thread Chris Albertson
about 3.2NM. That's > > > 12,000 steps per second (7.5RPS) with 8 micro-steps per step well > within > > > the reach of even a parallel port controller and 450 oz-in. That's > well > > > above the 1 RPS you need and even just 3:1 still gives you 1600 oz-in. > >

Re: [Emc-users] Mini-itx 64bit mother board with parallel port

2022-02-04 Thread Chris Albertson
e better off with any of those cheap Intel boards that have two Ethernet ports. Or I'm sure you can find an older PC in someone's junk pile -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourcefor

Re: [Emc-users] What Would You Suggest?

2022-02-04 Thread Chris Albertson
stepper drivers, ..., it's too late to be really > cost effective.). And the surface grinder only cost me $300. > > Thanks, > Ken > > > > Kenneth Lerman > 55 Main Street > Newtown, CT 06470 > > ___ > Emc-users maili

Re: [Emc-users] Mini-itx 64bit mother board with parallel port

2022-02-02 Thread Chris Albertson
EST Chris Albertson wrote: > > I followed that link.Wow, that is a good deal. Especially when you > > look at the power supply. It uses a 12 volt barrel jack and a large > > size wall-wort. The CPU burns all of 6 Watts.It could run on > > battery power. > > >

Re: [Emc-users] Mini-itx 64bit mother board with parallel port

2022-02-02 Thread Chris Albertson
only hold scratch files On Wed, Feb 2, 2022 at 8:25 PM Chris Albertson wrote: > They use a really tiny ATX power supply that convert the 12 volt input to > whatever the ATX pins are. These things cost about $20 The power supply > is some small it is built into the cable > https:

Re: [Emc-users] Mini-itx 64bit mother board with parallel port

2022-02-02 Thread Chris Albertson
ini-box-Mini-itx/dp/B00QVK3ZPU/ref=sr_1_6?crid=1AAP9OO84LECA=mini+atx+pico+power+supply=1643862229=electronics=mini+atx+pico+power+supply%2Celectronics%2C124=1-6> On Wed, Feb 2, 2022 at 7:32 PM Andy Howell wrote: > I > > On 2/2/22 20:08, Chris Albertson wrote: > > I follo

Re: [Emc-users] Mini-itx 64bit mother board with parallel port

2022-02-02 Thread Chris Albertson
d in. I > don't imagine I'd need a lot of memory. 2GB maybe? > > Looks like this will do the trick. $200 with 2GB of memory. > > https://www.onlogic.com/pd14ri/ > > Thanks, > > Andy > > > > > > > ___ > Emc-use

Re: [Emc-users] Stepper PID

2022-02-02 Thread Chris Albertson
_ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] motherboard that plays well with 7i43

2022-01-30 Thread Chris Albertson
and can recommend candidate boards from experience. Thanks in advance. > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] motherboard that plays well with 7i43

2022-01-28 Thread Chris Albertson
dozen USB ports. Even a Raspberry Pi has 4 USB ports and might work well for this. But my question is not about using a specific PC, but rather if it matters. -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists

Re: [Emc-users] 60's vintage position feedback.. (GE Accupins)

2022-01-25 Thread Chris Albertson
. But the "N identical" method is easy to do and works well. -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] 60's vintage position feedback.. (GE Accupins)

2022-01-23 Thread Chris Albertson
This On Sun, Jan 23, 2022 at 4:30 PM andy pugh wrote: > On Sat, 22 Jan 2022 at 04:49, Chris Albertson > wrote: > > > > Arduino? Too slow to coune pulses if they happen every 0.0001 inch > unless > > the table moves slow. > > As long as it gets a couple of sam

Re: [Emc-users] rotary table re-engineeering

2022-01-23 Thread Chris Albertson
r. > This is go'n to to be fun :) > > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California _

Re: [Emc-users] 60's vintage position feedback.. (GE Accupins)

2022-01-21 Thread Chris Albertson
of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-use

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-19 Thread Chris Albertson
ble. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-18 Thread Chris Albertson
t; > > _______ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-16 Thread Chris Albertson
nical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.so

Re: [Emc-users] shop air? Not No, but Heck No

2022-01-16 Thread Chris Albertson
> - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Bea

Re: [Emc-users] Field Oriented Control (FOC) algorithm for BLDC and Stepper motors.

2022-01-13 Thread Chris Albertson
t; drive of small motors which have been good enough for in-house use, > and it isn't too difficult. Making them bullet-proof for other end-users > to connect to their own motors and power supplies would require some > design hardening. > > The bldc hal component is great for experimenti

Re: [Emc-users] Field Oriented Control (FOC) algorithm for BLDC and Stepper motors.

2022-01-12 Thread Chris Albertson
c motors. > > The sintheta and costheta values could be multiplied by the output > of a PID loop to adjust the amplitude based on torque or velocity > requirements. Bldc connects to an encoder counter to track rotor angle. > > -- Ralph > > Fro

Re: [Emc-users] Field Oriented Control (FOC) algorithm for BLDC and Stepper motors.

2022-01-12 Thread Chris Albertson
losed-loop steppers"If this can already be done in software how? But I have serious doubts a Linuc PC has good enough timing even with an RT kernel. But in theory, how to connect the stepper? On Wed, Jan 12, 2022 at 1:26 AM andy pugh wrote: > On Wed, 12 Jan 2022 at 01:28, Chris Alber

Re: [Emc-users] Field Oriented Control (FOC) algorithm for BLDC and Stepper motors.

2022-01-11 Thread Chris Albertson
gt; > -Original Message- > From: Chris Albertson > Sent: Tuesday, January 11, 2022 2:06 PM > To: Enhanced Machine Controller (EMC) > Subject: [Emc-users] Field Oriented Control (FOC) algorithm for BLDC and > Stepper motors. > > [EXTERNAL EMAIL] Be sure links are saf

[Emc-users] Field Oriented Control (FOC) algorithm for BLDC and Stepper motors.

2022-01-11 Thread Chris Albertson
he control software is measuring current and forcing it to have the desired waveform against the inductance and mechanical loads. https://youtu.be/zcb86TRxTxc Here is the project website https://simplefoc.com/ -- Chris Albertson Redondo Beach,

Re: [Emc-users] OT: mouses

2022-01-10 Thread Chris Albertson
> > > > > Does the space mouse work under linux? > Let's say it does work under Linux. Do any Linux-based CAD systems work with the Space Mouse? ___ Emc-users mailing list Emc-users@lists.sourceforge.net

[Emc-users] Looking for a really small motor

2022-01-10 Thread Chris Albertson
_hqp_detail_aax_0?psc=1=ZW5jcnlwdGVkUXVhbGlmaWVyPUFCNE83T01ZSDNYNUomZW5jcnlwdGVkSWQ9QTA2MzQ1NDQzOUNJWjVFUlE1SUw0JmVuY3J5cHRlZEFkSWQ9QTAwODUxMzJDR1VVOVI3RjhMVkYmd2lkZ2V0TmFtZT1zcF9ocXBfc2hhcmVkJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==> Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net htt

Re: [Emc-users] OT: mouses

2022-01-10 Thread Chris Albertson
al user. > And a lefty. > Do y'all have any recommendations? > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-u

Re: [Emc-users] Tormach writing open sorce ROS2/Machiekit/LCNC bridge.

2022-01-06 Thread Chris Albertson
rm etc. Nice to see someone else > makes almost as many mistakes as I do. > https://www.youtube.com/watch?v=T3fl1FIKEQo > > > > -Original Message- > > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > > Sent: January-05-22 5:58 PM > > To: Enhanc

Re: [Emc-users] Very good software backlash control demo.

2022-01-05 Thread Chris Albertson
58 PM, Sam Sokolik wrote: > > This has been done at a bigger scale... (2 feedback loops) > > > > > https://web.archive.org/web/20160222165548/http://jmkasunich.com/cgi-bin/blosxom/shoptask/wichita-trip-02-20-08.html > > > > > http://wiki.linuxcnc.org/cgi-

Re: [Emc-users] Tormach writing open sorce ROS2/Machiekit/LCNC bridge.

2022-01-05 Thread Chris Albertson
s you > could say they have their own branch/fork > > I would have thought that since the change to python 3 with linuxcnc that > will be quite a divergent change to linuxcnc that will make it difficult to > integrate any items pushed back to 2.7 > > On Wed, 5 Jan 2022, 18:38 John

Re: [Emc-users] Tormach writing open sorce ROS2/Machiekit/LCNC bridge.

2022-01-05 Thread Chris Albertson
g to support > buyers of his kits though. There are an awful lot of bits > and pieces and assembly steps. > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris

Re: [Emc-users] Tormach writing open sorce ROS2/Machiekit/LCNC bridge.

2022-01-05 Thread Chris Albertson
2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=5vevh1cJOszulDkv2LJY%2B6hhQijKW0z8ko4CcONelAs%3Dreserved=0 > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Very good software backlash control demo.

2022-01-03 Thread Chris Albertson
or a conveyor belt maybe it's not an issue? > John > > > > > -Original Message- > > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > > Sent: January-03-22 6:40 PM > > To: Enhanced Machine Controller (EMC) > > Subject: [Emc-users] Very good softwar

[Emc-users] Very good software backlash control demo.

2022-01-03 Thread Chris Albertson
if it could be applied?I will use parts of his idea on my dog-bot. -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Harmonic Drive

2022-01-03 Thread Chris Albertson
outer > bearing of the 101T output ring gear. But overall not that difficult to > create once you have the 0.5 module shaper style cutter. > > John > > > _______ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://

[Emc-users] Tormach writing open sorce ROS2/Machiekit/LCNC bridge.

2022-01-02 Thread Chris Albertson
each group can do. And Tormach seems to be investing real money in this. -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Choice of CNC conversions

2021-12-24 Thread Chris Albertson
added to debian testing. It will soon be part > of the debian repository. > > On Fri, Dec 24, 2021, 12:54 PM Chris Albertson > wrote: > > > The problem that is limiting LCNC's wider use is that it is a very old > > design. It is definitely not what anyone would desig

Re: [Emc-users] Choice of CNC conversions

2021-12-24 Thread Chris Albertson
hen move to tabletop/lab setups > with small real components, etc... > > All these reference docs could have a category and a dedicated thread in > the forum to hold discussions, requests and criticisms. > > TY > Jérémie > > ___ > Emc-users mailing list &

Re: [Emc-users] Harmonic Drive

2021-12-22 Thread Chris Albertson
Same for screw holes and such, I ream them to corect size r install threaded brass inserts. -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread Chris Albertson
at for making parts that can be algorithmically defined. But I'd hate to have to make an organic shape like a automotive body or a power tool. o it's good to be able to move designs between tools. STEP is the best for that. Chris Albertson Redondo Beach, California _

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread Chris Albertson
ered that route? Obviously it requires a rotary axis to > make a rotary axis, but it really doesn’t seem any more insurmountable and > the results would probably be much more precise. > > Matt > > > On Dec 20, 2021, at 4:56 PM, Chris Albertson > wrote: > > > &g

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread Chris Albertson
cup. Perhaps if the 1.25module cup also had 140T and > the larger diameter it also wouldn't flex as sharply. And therefore less > chance of cracking. > > > -Original Message- > > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > > Sent: December-20-

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread Chris Albertson
the printer. > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread Chris Albertson
hes would be great. > > > > > > > > Methinks a part that surrounds the blue gear and extends over the > green > > > > and they also have a bearing race between. Or we make a similar > > bearing > > > > mount to the rear one for the

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread Chris Albertson
__ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread Chris Albertson
> and lunatics." > > > - George Fitch, Atlanta Constitution Newspaper, 1912 > > > > > > > > > ___ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > > https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc- > > > > > usersdata=04%7C01%7Ctoddz%40pgrahamdunn.com > %7C4842da1f9f934e91441e08d9c1741eef%7C5758544c573f47cebee96 > > > > > > c3e0806fb43%7C0%7C0%7C637753527048039153%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJB > > > > > > TiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=jxrNeQMSLeIFw8UIaEbmsfbb61M1abPjoVKFmwCIRP8%3Dreserved=0 > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] making post square.

2021-12-12 Thread Chris Albertson
On Sun, Dec 12, 2021 at 12:39 PM Gene Heskett wrote: > On Sun, 12 Dec, 2021 at 2:54 PM, Chris Albertson < > albertson.ch...@gmail.com> wrote: > > > To: enhanced machine controller (emc) > I'm surprised that people don't use kinematics to remove the residual >

Re: [Emc-users] making post square.

2021-12-12 Thread Chris Albertson
12, 2021 at 9:47 AM Gene Heskett wrote: > On Sun, 12 Dec, 2021 at 12:13 PM, Chris Albertson < > albertson.ch...@gmail.com> wrote: > > > To: enhanced machine controller (emc) > Would "non-trivial kinematics" correct for non-square mechanical axis? It > s

Re: [Emc-users] making post square.

2021-12-12 Thread Chris Albertson
; Cheers, Gene > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net<mailto:Emc-users@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/emc-users > . > ___ &g

Re: [Emc-users] Harmonic Drive

2021-12-02 Thread Chris Albertson
> This type of flex cup if not made of metal would be better with a cross > hatch carbon fibre in flexible epoxy. > > John > > > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge

Re: [Emc-users] Harmonic Drive

2021-12-01 Thread Chris Albertson
gt; > John > > > > -Original Message- > > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > > Sent: December-01-21 2:59 PM > > To: Enhanced Machine Controller (EMC) > > Subject: Re: [Emc-users] Harmonic Drive > > > > If i

Re: [Emc-users] Harmonic Drive

2021-12-01 Thread Chris Albertson
that and then save as the > "Housing.AD_PRT" > > It's still a clumsy step file type of import that doesn't have the same > ease of use editing that parts built with Alibre have but at least it's > editable and some of the very poor features of the design can be changed. >

Re: [Emc-users] Harmonic Drive

2021-12-01 Thread Chris Albertson
aring out of metal and making > the companion mounting plate for the cup out of metal would allow a coupler > shaft through from the wave generator disk to the centerline of the drive > bearing. This would likely also clean up any wobble from thin printed > plastic. > > John >

Re: [Emc-users] to JD

2021-12-01 Thread Chris Albertson
n China. > > > Still on webmail (spit) excuse the mess. 7 damned bullseye installs later > I still don't have > the tools to make a proper email agent work.. > > > > Take care and stay well John. > ___ > Emc-users mailing lis

Re: [Emc-users] Harmonic Drive

2021-12-01 Thread Chris Albertson
bearings 1mm further out. Was also > able to bring it a bit closer to the motor so the bearings now sit in the > middle of the fixed spline gear. > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.

Re: [Emc-users] Harmonic Drive

2021-11-27 Thread Chris Albertson
ourceforge.net/lists/listinfo/emc-users > > > > _______ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] LinuxCNC with Robot Arm Setup

2021-11-18 Thread Chris Albertson
m that is not yet fully solved. Loading a dishwasher or cleaning a toilet is an IMPOSSIBLE task. All blue collar jobs are very secure for a LONG time. . On Thu, Nov 18, 2021 at 10:16 AM Bari wrote: > On 11/18/21 00:54, Chris Albertson wrote: > > > > > I'm working on some 4+ axis

Re: [Emc-users] LinuxCNC with Robot Arm Setup

2021-11-18 Thread Chris Albertson
___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] LinuxCNC with Robot Arm Setup

2021-11-17 Thread Chris Albertson
could achieve. I'm working on some 4+ axis CAM that if the machine and the work holding > devices are included the physics engine will check for collisions to > prevent crashes. > I assume this is unrelated to the above. Do you have anything working yet to show us? -- Chris Alberts

Re: [Emc-users] LinuxCNC with Robot Arm Setup

2021-11-17 Thread Chris Albertson
ate the kind and helpful responses here, y'all are great! > Ian > > On Wed, Nov 17, 2021 at 8:54 PM Chris Albertson > > wrote: > > > On Wed, Nov 17, 2021 at 3:07 PM theman whosoldtheworld < > > bleachk...@gmail.com> > > wrote: > > > > >

Re: [Emc-users] LinuxCNC with Robot Arm Setup

2021-11-17 Thread Chris Albertson
> ha scritto: > > > Very cool. Thanks for the link. > > John > > > > > -Original Message- > > > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > > > Sent: November-17-21 8:45 AM > > > To: Enhanced Machine Controller (EMC

Re: [Emc-users] LinuxCNC with Robot Arm Setup

2021-11-17 Thread Chris Albertson
s and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] LinuxCNC with Robot Arm Setup

2021-11-17 Thread Chris Albertson
s and advice, > Ian > > -- > Ian Charnas | Engineer | iancharnas.com <http://www.iancharnas.com> > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertso

Re: [Emc-users] USB to Ethernet

2021-11-16 Thread Chris Albertson
; I was under the impression that the Mesa required dedicated Ethernet so > UDP packets wouldn't be delayed. JohnSent from my Samsung S10 > Original message ----From: Chris Albertson < > albertson.ch...@gmail.com> Date: 2021-11-16 9:51 a.m. (GMT-08:00) To: > "Enhanced

Re: [Emc-users] USB to Ethernet

2021-11-16 Thread Chris Albertson
'd rather be right there with my > hand on the ESTOP. > > John > > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -

Re: [Emc-users] Prox sensors and wiring

2021-11-04 Thread Chris Albertson
> Thanks, > -- Ralph > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___

Re: [Emc-users] Fwd: Requesting a short history review, if you'd be so kind.

2021-10-28 Thread Chris Albertson
nute. > > Putting a 5i25 in it and it ran about 50 ipm w/o any stutters. > > > > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-user

Re: [Emc-users] github problem?

2021-10-27 Thread Chris Albertson
; > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > Peter Wallace > > Mesa Electronics > > > > (\__/) > > (='.'=) This is Bunny. Copy and paste bunny into your > > (")_(") signature to help him gain world domination. > > > > > > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > Cheers, Gene Heskett. > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author, 1940) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] github problem?

2021-10-27 Thread Chris Albertson
; > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] 1973 cnc retro tech.. How to switch between metric and English

2021-10-26 Thread Chris Albertson
p.goo.gl/QNDzVJmnD9HWjs8LA > > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _

Re: [Emc-users] Panasonic serial encoder interface

2021-10-22 Thread Chris Albertson
; > We already determined that ours are using RS485, so this seems to confirm > we are looking at right things. Anybody ever tried interfacing such > encoders to LCNC? > > Thanks, > -- Ralph > > ___ > Emc-users mailing list > &

Re: [Emc-users] Fwd: Fwd: Rogue Index Pulses

2021-10-13 Thread Chris Albertson
s. See attached schematic. > > A differential receiver at the other end and using twisted pair 100Ohm > impedance wire with 100 ohm resistors at both ends creates a nice balanced > transmission line more immune to interference. > > John Dammeyer > > > > -Original Mes

Re: [Emc-users] Fwd: Fwd: Rogue Index Pulses

2021-10-13 Thread Chris Albertson
ctance, especially if > coiled up and there is capacitance per foot/meter rating on various > cables. It may or may not be important depending on the noise frequency. > > John Dammeyer > > > -Original Message- > > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > &g

Re: [Emc-users] Fwd: Fwd: Rogue Index Pulses

2021-10-13 Thread Chris Albertson
t;> ___ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-13 Thread Chris Albertson
echanical geniuses, daredevils and > > lunatics." > > � George Fitch, Atlanta Constitution Newspaper, 1912 > > > > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-13 Thread Chris Albertson
uld > >>>>> also verify that the encoder has a good ground to its metalic > >>>>> housing. Painted brackets are a recipe for failure. As are > >>>>> metallic shaft couplers. The elastomeric coupler that came with my > >>>>> omron, failed a year ago, and the coupling is now a couple layers > >>>>> of heat shrink with the inside layer of thermal glue. If it fails, > >>>>> replace it with a fresh copy. 50 cents maybe. > >>>>> > >>>>> Cheers, Gene Heskett. > >>>>> -- > >>>>> "There are four boxes to be used in defense of liberty: > >>>>> soap, ballot, jury, and ammo. Please use in that order." > >>>>> -Ed Howdershelt (Author, 1940) > >>>>> If we desire respect for the law, we must first make the law > >>>>> respectable. - Louis D. Brandeis > >>>>> Genes Web page <http://geneslinuxbox.net:6309/gene> > >>>>> > >>>>> > >>>>> ___ > >>>>> Emc-users mailing list > >>>>> Emc-users@lists.sourceforge.net > >>>>> https://lists.sourceforge.net/lists/listinfo/emc-users > >>>> ___ > >>>> Emc-users mailing list > >>>> Emc-users@lists.sourceforge.net > >>>> https://lists.sourceforge.net/lists/listinfo/emc-users > >>> Cheers, Gene Heskett. > >> ___ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > > Cheers, Gene Heskett. > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Replacing a handle.

2021-10-13 Thread Chris Albertson
___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Replacing a handle.

2021-10-12 Thread Chris Albertson
e end held in a 4th axis? > > Any suggestions are welcome. > John > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach,

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-11 Thread Chris Albertson
megahertz. And tends to be very dim on a analog scope. I > actually have 3, a 30 yo Hitachi 100 mhz dual trace analog, much better > than a tek of the same vintage, a 5 yo digital with the same specs you > can get for $300 or so today, and I just bought Siglents best, a 4 > trace, 350 mhz

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-11 Thread Chris Albertson
led electrical noise > floating around find the easiest path to ground resulting in the lowest > impressed voltage on the wire. > > John Dammeyer > > > > -Original Message- > > From: Chris Albertson [mailto:albertson.ch...@gmail.com] > > Sent: October-11-21 11:07

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-11 Thread Chris Albertson
e=11 > > I don't have an oscilliscope so am relying on Halscope at the moment. > > Thanks, > > Pete > > > On 11/10/2021 02:58, Chris Albertson wrote: > > sorry there was no part number on the encoder. I figured it was the > generic > > Omron clone that is 5 to 12 volts

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-10 Thread Chris Albertson
dividers eliminate the ‘ghost > pulses’ being picked up by the Pico board? > > The encoder won’t be running above 3,000 rpm. > > Pete > > > On 10 Oct 2021, at 19:00, Chris Albertson > wrote: > > > > Is your math right? Yes, I get 83 KHz for a 500 line encoder

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-10 Thread Chris Albertson
> which is 4% of the opto max 10 Mbps capabilities if the encoder was 2500 > line. > > But his is 500 line so at 166.7 RPS is 83kHz which is 0.8% of opto > capabilities. > > > John > > > > > ___ > Emc-users mailing li

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-09 Thread Chris Albertson
t; > >> -Original Message- > > >> From: Peter Hodgson [mailto:peterjohnhodg...@gmail.com] > > >> Sent: October-09-21 1:38 AM > > >> To: Enhanced Machine Controller (EMC) > > >> Subject: Re: [Emc-users] Fwd: Rogue Index Pulses > >

Re: [Emc-users] Fwd: Rogue Index Pulses

2021-10-08 Thread Chris Albertson
and it's mounting bolts as grounds. -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] VFD Recomendation

2021-09-25 Thread Chris Albertson
> > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > -- > Addressee is the intended audience. > If you are not the addressee then my consent is

Re: [Emc-users] more dc servo questions

2021-09-22 Thread Chris Albertson
es to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] more dc servo questions

2021-09-22 Thread Chris Albertson
rt foot. To wit: a sine for acceleration should give a > more gentle startup and approach to end point. Of course implementation > is left as an exercise for the student. ;-) > Now I'll shut up and go away. > > Dave > > On 9/22/21 11:28 AM, Chris Albertson wrote: > >

Re: [Emc-users] more dc servo questions

2021-09-22 Thread Chris Albertson
quite small fraction of a degree > early. And that is about 10 to 15% of the speed it can move with the > full 24 volts applied. > > > Regards, > > > > John Figie > > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] more dc servo questions

2021-09-22 Thread Chris Albertson
n not be back driven due to friction. I don't know how to calculate the load on the motor when the motor is opposing ditection of movment. There might be (?) large frictional loads. We also don't know how the driver electronics works. > > Chris Albertson Redondo Beach, California __

Re: [Emc-users] more dc servo questions

2021-09-20 Thread Chris Albertson
on a 50 us clock. > The manual is available online. > Dave > > On 9/19/21 5:12 PM, Chris Albertson wrote: > > Is the PID controller running on the PC under LCNC or is this an external > > PID controller you built? > > > > What are the numbers, the loop period, motor spee

Re: [Emc-users] more dc servo questions

2021-09-19 Thread Chris Albertson
e <http://geneslinuxbox.net:6309/gene> > > > _______ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Minimally printed rotary. Initial torque testing..

2021-09-13 Thread Chris Albertson
ist > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] jerk control

2021-08-29 Thread Chris Albertson
; > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ___ > Emc-users mailing list >

Re: [Emc-users] jerk control

2021-08-27 Thread Chris Albertson
The software in the link below is very widely used in industry. It is used inside MoveIt which in turn is driving many complex machines. https://moveit.ros.org On Fri, Aug 27, 2021 at 11:52 AM Curtis Dutton wrote: > That thread leads to this. https://githubhelp.com/pantor/ruckig > --

Re: [Emc-users] jerk control

2021-08-23 Thread Chris Albertson
uldn't that also be the same amount > higher? > > Todd Zuercher > P. Graham Dunn Inc. > 630 Henry Street > Dalton, Ohio 44618 > Phone: (330)828-2105ext. 2031 > > -Original Message- > From: Chris Albertson > Sent: Monday, August 23, 2021 3:39 PM > To: Enh

Re: [Emc-users] jerk control

2021-08-23 Thread Chris Albertson
Dalton, Ohio 44618 > Phone: (330)828-2105ext. 2031 > > -Original Message- > From: andy pugh > Sent: Monday, August 23, 2021 4:50 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] jerk control > > [EXTERNAL EMAIL] Be sure links are safe. > > On Mon, 2

Re: [Emc-users] jerk control

2021-08-22 Thread Chris Albertson
t shake it to > death > > > > > > > > > > > > > > > > > > > > andy mentioned that I could maybe use a limit component > to > > > > limit > > > > > > the > > > > > > > > > > initial acceleration for the first tiny moment in time > to cut > > > > down > > > > > > on > > > > > > > > the > > > > > > > > > > vibrations. > > > > > > > > > > > > > > > > > > > > how do you guys think that could work? > > > > > > > > > > > > > > > > > > > > Regards > > > > > > > > > > > > > > > > > > > > Andrew > > > > > > > > > > > > > > > > > > > > ___ > > > > > > > > > > Emc-users mailing list > > > > > > > > > > Emc-users@lists.sourceforge.net > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc- > > > > > users=04%7C01%7Cralph.stirling%40wallawalla.edu > > > > %7C7457b9607a2d4747a1e508d961a1b508%7Cd958f048e43142779c8de > > > > > > > > > > > > > > > bfb75e7aa64%7C0%7C0%7C637648169423748846%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJB > > > > > > > > > > > > > TiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000=ue%2BwIaVhfay08NBevlCAvyOoNp0qVz9ojUuigRuCOOs%3D=0 > > > > > > > > > > > > > > > > > > > > > > > > > > > ___ > > > > > > > > > Emc-users mailing list > > > > > > > > > Emc-users@lists.sourceforge.net > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc- > > > > > users=04%7C01%7Cralph.stirling%40wallawalla.edu > > > > %7C7457b9607a2d4747a1e508d961a1b508%7Cd958f048e43142779c8de > > > > > > > > > > > > > > > bfb75e7aa64%7C0%7C0%7C637648169423748846%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJB > > > > > > > > > > > > > TiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000=ue%2BwIaVhfay08NBevlCAvyOoNp0qVz9ojUuigRuCOOs%3D=0 > > > > > > > > > > > > > > > > > > > > > > > > > > > ___ > > > > > > > > > Emc-users mailing list > > > > > > > > > Emc-users@lists.sourceforge.net > > > > > > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > > > > > > > > > ___ > > > > > > > > > Emc-users mailing list > > > > > > > > > Emc-users@lists.sourceforge.net > > > > > > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > > > > > > > > > > > > > > > > ___ > > > > > > > > Emc-users mailing list > > > > > > > > Emc-users@lists.sourceforge.net > > > > > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > > > > > > > > > > > > > ___ > > > > > > > Emc-users mailing list > > > > > > > Emc-users@lists.sourceforge.net > > > > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > > > > > > > > > > ___ > > > > > > Emc-users mailing list > > > > > > Emc-users@lists.sourceforge.net > > > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > > > > > > > ___ > > > > > Emc-users mailing list > > > > > Emc-users@lists.sourceforge.net > > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > > > > > > > ___ > > > > Emc-users mailing list > > > > Emc-users@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > ___ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] jerk control

2021-08-22 Thread Chris Albertson
gt; > > > > > > initial acceleration for the first tiny moment in time to > cut > > > down > > > > > on > > > > > > > the > > > > > > > > > vibrations. > > > > > &g

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