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machinist - [machinist] Machining m2 tool steel 64 rockwell hardness

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  • From: Lawrence London <lfljvenaura@gmail.com>
  • To: machinist@lists.ibiblio.org
  • Subject: [machinist] Machining m2 tool steel 64 rockwell hardness
  • Date: Sat, 10 Nov 2018 15:19:33 -0500

Looks like a punch / tooling die. I would recommend using Cermet inserts and keeping your SFM between 65-80 run it dry take a decent cut engage the full nose radius this will remove the heat in the chip and keep a mirror finish run your IPR at .0025 - .004 for finish and .005 - .008 on rough depending on your rigidity

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  • [machinist] Machining m2 tool steel 64 rockwell hardness, Lawrence London, 11/10/2018

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