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Get a size O or 1 motor starter off ebay and use one pole of your pressure switch to pull in the coil. It does not take long for all the silver to be worn off the contacts and then they are toast,...

I built a vacformer for my scale model canopies, trial and error was the name of the game. The most important part in my opinion is a good frame for holding the plastic. My frame held 8"x8" which...

Check across the coil, and from each lead to ground. You should have a reading of 20 ohms or something like that, could be more or less. If you have continuity to ground from either lead the coil is...

I could not get it to work either, the second file that is. Has anyone tried wintopo ?
Steven

A jigsaw is probably what you are looking for, yes there are portable band saws, but not too handy for curve cuts.
Steven

40VA/24Volts=1.6 amps or so,VA is just another term for power similiar to watts. Larger transformer are usually rated in KVA.
Steven

There are easy work-arounds for hitting limits and not having handwheels. I use NC limits in series to pick a 24v MCR(master control) relay, normally closed contacts on the MCR give me shutdown...

The thrust bearings keep your leadscrew from moving back and forth when it accelerates or decelerates against the table load. I use 1/2"-13 threaded rod and 1" delrin nut for drive. The rod is turned...

I would suggest installing a GFI receptacle to feed your PS if you cut the grounds from the 115v supply. A GFI compares current flow from hot and neutral, so no ground is needed. If any of the cases...

Berger Lahr and one other company make 5 phase stepper motors and controllers, but I have seen the controllers on ebay a few times. I have a couple of the motors that came on a 2-axis assembly, I...

EOT= End of travel (limit switches).
Steven

I have an IDC Danaher motor controller that uses logic input for shutdown, logic high for enable, logic low for disable. I would like to use this for EOT. It has 2 terminals marked with a +and-. The...

Clamp the rails to the table with C-clamps and use a transfer punch to mark the holes. Remove rails and drill out the marked holes with 1/8" bit, then the proper drill size for the tap you are using,...

Here is the Z axis, the weakest part of my machine, I plan on running a laminate trimmer or foredom tool for cutter.

Steven

Here is my router I have cobbled together out of scrap alum. and other items from the scrapyard. I have only run a few files, but so far everything is working out well. Table travel is something like...

My controller required step + and - along with Dir + and -, I simply used the common from parallel port for the - on both, works fine. I was thinking I would need diode across the - from the...

I relocated and installed equipment for about 10 years, we used Starrett Precision levels 12" long .0005" per foot accuracy. I have also used water levels for fences and such, and there is no...

http://www.hurricanecues.com/db2/00146/hurricanecues.com/_uimages/ContactSheet-3copy.jpg
My father makes Hurricane Cues, he is semi-retired but still turns a few sticks here an there. He uses 2 cnc...