Originally Posted by balsaman Here is what I made/use. It's very basic. The reason there are 2 colomns for feed and speed is one is the actual calculated, and the other is another calc. based on the fact that the first calc came up with an RPM over 2500 which is my max spindle speed. The second column is the speed based on the 2500 rpm max.
On the right are two charts for common SFPM and Chip loads.
Eric |
thanks a lot
thats a great spreadsheet
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