Using an 4-flute 1/8" end mill center cut, TIN coated.

At 1700 rpm. .050" DOC. Slotting 12"L.

The calculations say feedrate at 6.8 in/min.

It broke immediately. Did I calculate wrong ?

At 1700 rpm. .050" DOC. Slotting 12"L.

The calculations say feedrate at 6.8 in/min.

It broke immediately. Did I calculate wrong ?

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