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Anyone know the best way to replace brushes on my old HRT 210? Seems like pulling just the motor would give easy access so I guess I'm wondering how best to do that. Will the motor assy slide out...

Without getting too specific as to what kind of machine, etc,.....why are you using a edge finder to find the center of a cylindrical part? Use a spinning indicator like a Blake CoAx or a simple test...

I'm running one of these GW-21 units . Just set it up, spent a little time getting the comm right and it seems like the ticket. I can run long lines , ethernet, to the unit and the old rs-232 from...

That helps. Breaking things into short simple ideas is a good thing for the dYsLeXiC machinist....

Ok, so if the tool was a wheel, its how far it went in one minute? But how does the depth of cut get calculated? How do I know if I should take .100, .010, or .001? The cutter speed would not affect...

Just downloaded ME consultant. What a great simple program. Thanks. And thanks from my end mills....

Thanks. I'm cheap, usually to a fault, when buying tools. I guess there's a point where its 'false economy'!

I just ripped my criterion apart. Its got a 7/8 thread , so there's a start.

Found an adapter for $26 at Travers. Thanks for all the help!
I guess I felt that you can interpolate anything...

Wow. I probably toasted the mill. It still feels sharp, tho. Why so slow with all that coolant?
Any advise on tool speed software?

Sorry, I missed that last post before I replied.
It sounds like maybe I'm asking a lot from HSS tools. Problem with cnc is ya can't feel when a tool is cutting poorly. A friend suggests using...

That's what I'm trying to find out. Thanks.It sounds like I should use something like a Criterion boring head. I needed to hear it from someone who does this more than my limited experience. Have you...

I'm using a 1/2" 4 flute coated HSS end mill,climbing, finishing at 2500 rpm and slow 5 fpm feed
At this slow feed rate, the chips are nearly non-existant!.

I am holding it in a very rigid lathe...

I'm a bit new to cnc. I'm trying to cut a bearing bore in steel tube (heavy walled) and am having a hard time with concentricity. Does anyone out there have a pretty good idea of depth of cuts for...