Gallery, Projects and General > Neat Stuff

Milling: 3/4" depth of cut, shifting 300 cubi inches per minute

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andyf:
Watch the lefthand side from 2.00 to 2.10 to see the swarf brush catch fire.

There doesn't seem to be any coolant.

Andy

Stilldrillin:
I love seeing the chipping "grow", from right to left.

The Tip Rep always insisted, no coolant. As this creates rapid temperature changes at the tips cutting edge. Causing cracking..  :smart:

David D

75Plus:
But.......  What did the finished surface look like?????  :scratch: :scratch: :scratch:

Meldonmech:
Hi Andy,

             That machining center is a nice bit of kit, it would need to be capable of those metal removal rates to justity its initial and running costs. Wouldn't surprise me if it was running 24/7.
                                                                                               Nice to see some real engineering.
                                                  Cheers David

NeoTech:
Running either carbide or ceramic inserts ive learned that u need chip clearing but no coolant.  The coolant creates microcracks by shocking the surface.

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