Cutting tool coated with diamond

Details Cutting tool coated with diamond Cutting tool coated with diamond

2006-06-13

2006-06-13

Ashley, Boyer D. (Department: 3722)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

C118S119000

Reexamination Certificate

active

07059811

ABSTRACT:
A cutting tool coated with diamond in which diamond is coated as a film on a substrate having a step 15 to 500 μm in height in the vicinity of a cutting edge on the rake surface and/or the flank surface. Only the diamond film in the vicinity of the cutting edge can be polished first, without polishing the film of the diamond formed centrally of the rake surface and/or the flank surface. This enables the maximum effect (sharpening of the cutting edge and prevention of welding formation at cutting edge) to be realized with the necessary minimum polishing (with a decreased polishing removal), without setting special conditions and which is suited as a finishing tool.

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