Pure Nickel machining question

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- clay
  
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posted
17 years ago

Thu, Jun 22, 2006 4:17 PM

Anyone have some Speed & feed advice for milling Nickel 200? (Pure Nickel) I am milling pockets with a Ø.1875 .03R bull nose end mill, and getting a lot of chatter type tool marks. Have tried Cobalt & Micrograin carbide tools. Finish DOC is around .002", side finish step is .020" Cobalt RPM is 1000rpm, carbide is around 2500rpm.

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- Protagonist
  
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posted
17 years ago

Sat, Jun 24, 2006 4:06 PM

We went around, instead of milling, used EDM - wire and sinkers to machine Nickel200. EDM cuts Nickel200 like butter. Fast too! Julius

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