Cutting a slot in carbide

- T
- Tom Gardner
  
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posted
17 years ago

Thu, May 11, 2006 4:32 PM

I need to cut a 1/8" by 1/8" +.020"/-0 slot through one side of a 3/4" x

3/4" x 1/4" square carbide insert. Do I need to send this out to an EDM shop?

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- W
- Wayne Lundberg
  
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posted
17 years ago

Thu, May 11, 2006 4:53 PM

That's what I'd do...

- D
- d.dixson
  
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posted
17 years ago

Thu, May 11, 2006 5:00 PM

Just did this with a diamond wheel mounted in our gearhead drill press (special arbor). Removed a .060" x .060" corner in C-2. Used .010" side steps at full depth. Didn't take long. HTH Doug

- P
- Polymer Man
  
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posted
17 years ago

Thu, May 11, 2006 5:00 PM

Can the shape be ground?

- W
- wfhabicher
  
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posted
17 years ago

Thu, May 11, 2006 5:02 PM

It could also be ground with a diamond cut-off wheel.

Check with a commercial / industrial tool & cutter grinder.

You can even do it yourself in a milling machine (or possibly lathe).

You turn up a copper disk and tap in diamond abrasive into the disk's circumference.

Then use as grinding wheel to cut slot.

Wolfgang

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