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If anyone is interested in prediction of cutting forces in aluminum milling I would recommend to read the article:
"A comparison of analytical cutting force models" published by WIAS
There you can...

Hi PotatoMill your math certainly is correct but it doesn't account for the full picture. I use Kollmorgen MOTIONEERING to calculate more precisely what kind of motors are required, it's a little...

In the past I've used the numbers in post #6 (which came from Irving) for deflection calculations in the absence of anything else. At least you can then start comparing designs with each other.
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They are Ok but those are not much cheaper than you could buy Hi-win for.

Send Fred Lee at BST automation an email with sizes and he'll give you a good price for Hi-Win. Feel free to Say Dean in...

A Tutorial on motor torque calculations

A question oft asked on MYCNCUK is "how big a motor do I need?". There is no simple answer to this, and the options are usually:
a) follow someone elses...