Cam62

Feed change during Finish Toolpath

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Is it possible in Mastercam 2017 (Lathe Toolpath) to change feed rate for the last final pass on a Finish tool pass or do you need to manually edit the NC post file or run/chain another finish pass?

Example: 5 final passes, removing .010" each at feed rate of .003/rpm and want final 5th pass at .001"/rpm in order to achieve adequate surface finish.

Cam62

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You can use toolpath editor.

Capture.png

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I would create 2 finish ops, for the ability to regenerate.

1st Op - leave. 005 stock.

2nd Op - final finish pass.

The Toolpath Editor is a great tool, especially when you are in a hurry. But the changes are made manually, and it locks the operation after you make the edits. 

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You can use semi finish in the roughing op. This will allow you to change the feed rate for the "finish" pass in the roughing op. 

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On 12/29/2018 at 2:03 PM, civiceg said:

You can use semi finish in the roughing op. This will allow you to change the feed rate for the "finish" pass in the roughing op. 

Another great option. 

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