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Thanx Tpby, I'll go log on over there and check it out ( and make a post). The Bobart portion of the the program has been a bit tricky.

What's the best method for machining this path emboss in Bobart? It's aprox 5in X 2.5in... V cutter? I'm having trouble with the setup inside of Bobare specifically. Anyone have experience using it?...

www.littlemachineshop.com has some tach's, but if you're gonna cnc it then Mach3 has a tach function and you can build the circuit to support it very cheeply.
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Here's the cad file that goes with it..

Would you guys look at this file and see where I'm messing up? :-)

When I post the code, my deepest -Z cut is only .1875", and it should be at -.25. I can't seem to figure out what I'm doing...

Thanx les, I need to get a copy of the book anyway :-)

Question about calculations for worm gear hobbing...

I'd like to try hobbing a few worm gears and would like to know how to calculate OD etc. I've found the GearSpec program from W.M. Berg...

There we go - good tip. I think that'll work for me. On your material representation - is it a solid model? I mean, did you extrude curves to create the box? Then just put it on another layer?
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Thanx gents. I'm having a bit of a trying transition to Bobcad... I'm not used to not defining my stock more than anything I guess. It's really throwing me off for part setup. Any tips?

How do you know how to setup the simulator to test run your parts? I'm having mixed results when I try to use it. Here's a simple file for demonstration purposes... sometimes I'll get it just about...

That got it, thanx

Having a problem with this gcode file when loading into Mach3...

Tried on Mach3 Stable and development versions, same results. File displays in the path window as a bunch of circles for the...

Correct - go NC and series, that way if anything opens it will trigger.

*Bump*

Have a look here...http://www.hightechsystemsllc.com/index_files/Page1220.htm

They're for the Taig, but the mounting stragety is still valid for you're machine.

I have been reading the Digispeed XL manual and wondering how to execute a "spindle index sensor" and mentioned in the text. I've got an older Taig with a 1/5hp motor that needs an upgrade.
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I can think of quite a few places to buy worm gears, but they are EXPENSIVE. If you bought the gears, might as well just buy the table setup.

As far as the number of teeth on the gear goes, I...

Here's another way to gash the teeth, without the use of a rotary table to start with...

Pretty neat and workable idea, although I don't think it would be necessary to do the 2 sets of holes on...

How about modifying a roll top desk?

Also, give the gecko and Mach III route serious consideration... it is a fantastic setup for very little outlay of cash. Buy a nice PC to dedicte to the mill; I used a Dell 2.2ghz that I bought...

Oops... here it is... I forgot that I wa the one that did the drawing a few years back. This is the wiring diag for the sigma motors. Man, I'm gettin old.

The drawing is for bipolar parallel, and...

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Hi, I've got Bridgeport Series II NC with a 4j head that I converted to CNC a few years ago. I used the stock steppers (they are really, really powerful), gecko 210 drives and a 65v 20 amp home...

Check this site out, I've been a member here for several years. It's perhaps the finest resource on the net for what you want to do. Be sure to join and check out the forums.
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