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By mofosheee

April 3, 2016, 11:29 am

Key way cutter Feeds and Speeds



I have been unsuccessful in finding the correct chart for the cutter I am using in HSM

I want to make a 4" linear cut of .060" depth stainless steel using a 10 tooth HSS key way cutter measuring; .75" diameter x .118 realizing coolant

Using the attached charts with / and formulas I'm calculating approximately; 6" ipm @ 700 rpm

Am I safe at these feeds and speeds? Did I provide enough information? Thank you

Mofoshee

feeds and speeds chart Keyseat Cutter feeds and speeds chart04032016_0001.jpg
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Eldar Gerfanov

April 3, 2016, 3:07 pm

You said HSS right?
The speed you suggest is too high. And the chart you provide is for Carbide-tipped cutters.

I would use the following specs:

Material: 304 Stainless Cold Rolled 225-275 HB
Tool: 0.750in 10FL HSS None Solid End Mill
Speed: 55.3 SFM/ 281.7 RPM
Feed: 0.0036 in/tooth 0.0362 in/rev 10.20 in/min

Please see the attached screenshot to confirm your tool setup matches mine:

Capture.PNG Capture.PNG

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