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henne
May 9, 2009

by exmarx
What is the width of the cut you are trying to make? It doesn't look like it can be much more than 1/2 than the DoC, which should be pretty easily achievable. Try to find a local tooling supplier instead of McMaster, they sell a lot stuff but have a pretty poor selection of endmills. You could also look for a dedicated tooling supply company online, and they should have a sales department to help you find the best endmill for the job. You can either look for an endmill with >3/8" flute length which will give a nicer finish on the wall of the part as you can do your final pass at full depth or look for a relieved shank endmill which will be a bit stiffer and have less deflection on harder cuts. I think in your situation you'd want the full length flutes as your machine won't have the rigidity to benefit from the increased stiffness.

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