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Indexable tool inserts for G10 and other composites?

squaodward

Plastic
Joined
Jun 17, 2021
I just getting started with my first G10 job. I've only machined metals up to this point. I've got all of my tooling figured out except for a face mill. I can only really find some insanely expensive Sandvik diamond tipped inserts. Anybody have any recommendations or experience with G10 or other layered composites?
 
I usually mill the top with an endmill. The first pass follows the profile of the part (climb cut) then I clean up the middle otherwise you risk chipping the part where the tool exits the part at the edge.
 
To be honest I wouldn't think about indexable cutters in G10.
Just get some decent coated carbide and run it slow.
OR
Buy some of these from Harvey,but they aren't cheap. Composites

I've used cheap TiCn end mills from MSC for G10 for years because G10 will eventually eat up anything you throw at it.

How much material removal do you have to do?
 








 
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