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Old 03-28-2021, 05:33 PM   #4823
idbeast
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Join Date: Oct 2016
Location: Olympia, WA
Posts: 523
Re: What did you do with your truck today, Part 3

Quote:
Originally Posted by mick53 View Post
I thought this was 6061 that I also know nothing about. The test piece I did was 6061. Should I call ID Designs and find out for sure what it's made of? When I did the countersink it seemed to cut fine. ?. My tool is also kinda Mickey mouse. This pulley diameter is 5.90". What spindle speed do I need?
I would call them and find out, as it does make a difference. 6061 with a carbide cutter at 5.90Dia would be 1826rpm
if using high speed steel it would be 324-388rpm
Jim W
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