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have you read mariss' white paper on stepper motors? Anything past about 20x the rated voltage just becomes heat. My experience is past 10x and the heat rises alot, and not linearly. why did you go...

Wow, 20K greg? I just retrofitted one, added a true Z axis(with thk bearings and a leadscrew), a new mister and added a wire track to get rid of the loops of wire for about 65% of that.


erie

Chris,
email me, I'm sure I can help you out.


erie

chris,
what does it do (or not!). I service and retrofit Esab and Cybermation routers.


erie
erie at shelbyvilledesign dot com

Depends on what spindle you have, I've serviced and retrofit these for the last few years and of the 8 machines I've worked on (and the one cybermation I own) no two are even remotely similar, seems...

Scott, have you looked at Mach2? you'd be surprised at how far pc-based s&d controls have come, Peter you can download the current version and run it as a demo, limited to 25khz pulse stream and 1000...

Here's what I generally recommend:

1) rack mounted pc, with extensive filtering (if budget allows, otherwise, you can get creative with cabinetry, but remember shop time is $$$$)

2) fixed...

It's both, Originally it was built by ESAB, as a plasma cutter, Cybermation bought them and converted them to router operation with a Precise 40Krpm spindle, and a PDP-8 based control. When I bought...

On really big routers, like my 8' x12', the easiest thing to do is drill 4 1/8" holes about 1" in from the extremes, e.g.

peck at 1,1; peck at 1, 143, peck at 95, 143, peck at 1, 95.

insert...

well, as a data point, my 8'x12' router has a gantry that weighs about 1200 lbs. I drive it with a 34 frame 550 oz. in. motor reduced 10:1 to a 30 tooth 24 d.p. gear.
steps per inch is about 5100...