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Forum: 70. Control Systems Sat 05 May 2012, 02:03
Replies: 79
Views: 107,565
Posted By Gerald D
See: first posts on MechMate DIY Control box...

See:
first posts on MechMate DIY Control box full spec screened spindle 3phase (http://www.mechmate.com/forums/showthread.php?t=282)

and

Cooling fans...
Forum: 70. Control Systems Thu 03 May 2012, 23:22
Replies: 79
Views: 107,565
Posted By Gerald D
Modern drives have very little wasted heat. The...

Modern drives have very little wasted heat. The stories about big heatsinks for drives come from 10 years ago.
Forum: 70. Control Systems Sat 11 October 2008, 12:12
Replies: 79
Views: 107,565
Posted By Gerald D
Also then, a false pulse (error pulse) from Mach...

Also then, a false pulse (error pulse) from Mach could also start the spindle by mistake . . . . .

You cannot trust Mach to have the final decision on whether the spindle runs or not. The...
Forum: 70. Control Systems Sat 11 October 2008, 11:12
Replies: 79
Views: 107,565
Posted By Gerald D
Irfan, the issue here is: How can we stop the...

Irfan, the issue here is: How can we stop the spindle with the E-stop?

That is the reason the VFD is powered from the main (E-stopped) contactor.
Forum: 70. Control Systems Thu 13 December 2007, 10:53
Replies: 79
Views: 107,565
Posted By Gerald D
This is the only pic I can find now: 657 ...

This is the only pic I can find now:

657

Yes, I do crimp a lug onto the braid. In the pic above the wire is thin and the lug is massive in comparison.

I don't unravel the braid to get the...
Forum: 70. Control Systems Tue 27 November 2007, 07:25
Replies: 79
Views: 107,565
Posted By Gerald D
Nils, I think the rest of the guys have more...

Nils, I think the rest of the guys have more recently bought them. I have never seen poor quality ones, but then again I sit on another continent. :)
Forum: 70. Control Systems Mon 26 November 2007, 20:02
Replies: 79
Views: 107,565
Posted By Gerald D
Doug, I havn't come across the "wrong" way to...

Doug, I havn't come across the "wrong" way to mark wires. Somebody else's numbers are mostly considered to be understood only by them. I would say design your own system.
Forum: 70. Control Systems Thu 25 October 2007, 22:55
Replies: 79
Views: 107,565
Posted By Gerald D
Gecko's 6-6 terminal blocks are actually 3-3-3-3....

Gecko's 6-6 terminal blocks are actually 3-3-3-3. There are tiny dovetails between the blocks. Gecko uses a knife or chisel to cut off the center dovetails and make 6-6. You can use 2's (or 3's) and...
Forum: 70. Control Systems Thu 04 October 2007, 00:32
Replies: 79
Views: 107,565
Posted By Gerald D
If you do change the terminal blocks, make sure...

If you do change the terminal blocks, make sure you get a good quality. Gecko did have a bad experience with a supplier just over a year ago and were obliged to find a better quality. "Bad quality"...
Forum: 70. Control Systems Tue 02 October 2007, 20:23
Replies: 79
Views: 107,565
Posted By Gerald D
Doug, before the days of Gecko Vampires, the...

Doug, before the days of Gecko Vampires, the drives were extremely sensitive to a loose connection with the motor. An accidental break in a motor wire causes smoke - the expensive kind. So the logic...
Forum: 70. Control Systems Tue 26 June 2007, 11:32
Replies: 79
Views: 107,565
Posted By Gerald D
The date on my previous post is 5:13am. I sleep...

The date on my previous post is 5:13am. I sleep from about 9:30pm to 5:00am, local time of course. If you catch me on-line between these hours, I am talking in my sleep :)

You guys would be very...
Forum: 70. Control Systems Mon 25 June 2007, 21:13
Replies: 79
Views: 107,565
Posted By Gerald D
It is held at Cardinal Engineering, Galesburg,...

It is held at Cardinal Engineering, Galesburg, Illinois, but I don't know how the folk get invited. Here is an out-of-date web page: http://www.cnc-workshop.com/
Forum: 70. Control Systems Sun 24 June 2007, 11:40
Replies: 79
Views: 107,565
Posted By Gerald D
Treat with the greatest suspicion.....

Treat with the greatest suspicion.....
Forum: 70. Control Systems Fri 15 June 2007, 00:21
Replies: 79
Views: 107,565
Posted By Gerald D
Here...

Here (http://www.artsoftcontrols.com/forum/index.php?topic=3418.0) is a report on a "CNC Workshop" held in the US recently.

Those guys wiring their control panels . . . . where did they get the...
Forum: 70. Control Systems Sun 03 June 2007, 00:28
Replies: 79
Views: 107,565
Posted By Gerald D
Hi Alan Yes, the PMDX-122 has certainly...

Hi Alan

Yes, the PMDX-122 has certainly proved itself. I did have a noise problem, and the support from Steve Stallings (the designer/producer) was fantastic. Even though the noise was coming...
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