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Grade 50 plate

ptuttle78

Plastic
Joined
Mar 15, 2016
Has anyone machined grade 50 plate. I'm getting ready to make some brake disk out of it. An just curious what feeds and speeds. How hard is it


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The only "Grade 50" plate I know of is, A572-Gr50. It is a standard structural steel, with a yield of 50KPSI.
I machine it using standard SFM for milling and turning.

milling: 375-650 SFM milling using 1/2" AlTin, carbide, 4 -6 fl end mills
turning: 500-1020 SFM for turning, insert dependent.
 
Thanks for the info. Part is 8 inch in diameter and 1.5 in length. I'm not use to running big stuff. A little nervous loo


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