07-15-2019, 07:03 AM
(07-14-2019, 09:07 PM)TomG Wrote:(07-14-2019, 12:20 PM)awemawson Wrote: Don't forget that the CNC machine will have oodles of coolant not only cooling cutters and workpiece, but also clearing away chips to prevent 'recutting'
Exactly. Without coolant, even light cuts at twice the recommended speed will quickly dull tooling.
The best surface finish is generally attained by using light, climb cuts at the proper sfpm. Coolant, even if just misted on with a spray bottle will help as well.
Tom
Exactly. Tool life will go in the toilet.