well i went in for the kill today and ran the big M30x3.5, 4 flute, bottom tap 2 inches deep,3 times.
I used a speed of 120 and a feed of 16.5354. i flooded it with coolant and let her rip, it did awesome. Im holding it in a large collet so ill keep an eye on the holder cap loosening or slippage.
Thread milling was not an option due to cost and hard to find mill body to insert type and ive never thread mill before, i would love to master it though.
Thread: m30 x 3.5 tap speed?
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12-11-2008, 12:03 AM #1
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03-06-2009, 07:54 PM #2
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Vardex thread mills
You can try Vardex thread mills. I've thread milled some pretty big threads with them. Vardex has software that will write code you can cut and paste.
It's really very easy!:cheers:
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