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By mofosheee

January 6, 2015, 11:30 am

just purchased F&S calc

Would somebody please back me up on the following:

0.375" solid 2 flute Carbide endmill, pocketing to 1" on 7075-T6 Al

using a 1.5HP machine I'm receiving readings of @ 3500 rpm, Feed = 21ipm with plunge of 10.5 ish.

Would somebody please review that my readings are in the ballpark?

Thank you

Jerry

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Eldar Gerfanov

January 6, 2015, 12:09 pm

Hello,

I assume you are limited by the available RPM.

Speed and Feed is OK.
You did not specify depth of cut. In your case i would suggest starting from about 1/8" DOC

Make sure you use coolant or airblast to clear the chips.
Aluminum tends to stick to cutting tools if no lubrication is used.

Good luck!

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mofosheee

January 8, 2015, 9:53 am


Will be using coolant,

cutting to 1.25" depth. I can speed up the rpm's to 5000

Thank you!

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