[Emc-users] OT: good tiny edm infos

2017-03-06 Thread TJoseph Powderly
Nicklas Sarah Bari et al, I stumbled on a few _very_ good sites for tiny edms (many) using real on/off time fet edm power supplies ( spark generators). some french some german, but easy to understand the schematics and builds and movies. most homebuilts use r/c capacitive discharge, which trigge

Re: [Emc-users] axis position cmd lost

2017-03-06 Thread Jeff Epler
this is a bug in the UI library of AXIS, Tkinter. it is believed to be fixed in master branch, and not affect the debian and ubuntu versions that we build 2.7 debs for. Specifically, a certain radiobutton uses the string "y" to identify the "y" axis, but because Tkinter is based on a string-typed

Re: [Emc-users] damn radio shack

2017-03-06 Thread Gene Heskett
On Monday 06 March 2017 18:23:35 Ben Potter wrote: > > From: Gene Heskett [mailto:ghesk...@shentel.net] > > > > I bought what I thought were 3 momentary contact spst pushbutton at > > the Bridgeport shack Saturday. I opened the plastic bag to measure > > them and machine the holes in the apron to

Re: [Emc-users] damn radio shack

2017-03-06 Thread Gene Heskett
On Monday 06 March 2017 18:14:12 andy pugh wrote: > On 6 March 2017 at 22:39, Gene Heskett wrote: > > Ditto digikey, Newark-Element14, and Mouser. And no one makes it > > easy to spec the desired diameter and mount. > > RS (Radio Spares, not Radio Shack) let you specify the panel cutout > size: >

Re: [Emc-users] damn radio shack

2017-03-06 Thread Ben Potter
> From: Gene Heskett [mailto:ghesk...@shentel.net] > > I bought what I thought were 3 momentary contact spst pushbutton at the > Bridgeport shack Saturday. I opened the plastic bag to measure them and > machine the holes in the apron to hold them Saturday night. > > Putting the thing back togethe

Re: [Emc-users] damn radio shack

2017-03-06 Thread andy pugh
On 6 March 2017 at 22:39, Gene Heskett wrote: > Ditto digikey, Newark-Element14, and Mouser. And no one makes it > easy to spec the desired diameter and mount. RS (Radio Spares, not Radio Shack) let you specify the panel cutout size: http://uk.rs-online.com/web/c/switches/push-button-switches-acc

[Emc-users] damn radio shack

2017-03-06 Thread Gene Heskett
I bought what I thought were 3 momentary contact spst pushbutton at the Bridgeport shack Saturday. I opened the plastic bag to measure them and machine the holes in the apron to hold them Saturday night. Putting the thing back together slowly today, I wondered if my dvm could show me which end

Re: [Emc-users] Bridgeport servo troubleshooting

2017-03-06 Thread Ben Potter
Thanks to everyone who has given advice on this thread. I've learned a heck of a lot about older drives. I'm not going to attempt to repair, I'm just going to pull all three drives and replace with something a little more modern - which will probably double the space I have in that cabinet. > Fro

Re: [Emc-users] Bridgeport servo troubleshooting

2017-03-06 Thread Ben Potter
> From: Greg Bentzinger [mailto:skullwo...@yahoo.com] > My mid 80's Hurco manuals have a service chart which wants the motor and > tach brushes checked and brush dust blown out with clean dry air every > hours use. > I have actually done this (more than once) because the servos were > accessib

Re: [Emc-users] axis position cmd lost

2017-03-06 Thread Nicklas Karlsson
> On 5 March 2017 at 13:40, Nicklas Karlsson > wrote: > >> What happens if you give an MDI move in Y? > > Then examined again it actually works in MDI but not then jogging. > > Keyboard jogging, wheel-jogging or button/switch/joystick? Keyboard jogging is OK, MDI is also OK but mouse buttons on

Re: [Emc-users] I am gonna need more wire.

2017-03-06 Thread Gene Heskett
On Monday 06 March 2017 09:04:48 John Thornton wrote: > Some paint screws... > > JT And then they chip off and look ugly if you have to put a socket wrench on them to remove them so I leave nice shiny plated bolts unpainted so they are part of the "decor". Those 6 are holding a pair of 1/4"x3/

Re: [Emc-users] Bridgeport servo troubleshooting

2017-03-06 Thread Gene Heskett
On Monday 06 March 2017 04:06:49 Erik Christiansen wrote: > On 04.03.17 12:29, Jon Elson wrote: > > On 03/04/2017 12:02 PM, Gene Heskett wrote: > > > Hexfets can be hard to deal with. Bear in mind they are generally > > > shipped with a fine wire wrapped around all 3 legs > > > > I have never rece

Re: [Emc-users] I am gonna need more wire.

2017-03-06 Thread John Thornton
Some paint screws... JT On 3/5/2017 6:19 PM, Gene Heskett wrote: > On Sunday 05 March 2017 18:06:59 andy pugh wrote: > >> On 5 March 2017 at 22:21, Gene Heskett wrote: >>> . I'd picked up two rattle guns >>> of higher temp stuff, >> Can I repeat my opinion that brush-painting is more effective

Re: [Emc-users] Bridgeport servo troubleshooting

2017-03-06 Thread Erik Christiansen
On 04.03.17 12:29, Jon Elson wrote: > On 03/04/2017 12:02 PM, Gene Heskett wrote: > > Hexfets can be hard to deal with. Bear in mind they are generally shipped > > with a fine wire wrapped around all 3 legs > > I have never received a transistor with wire around it. I > have purchased roughly 300