Surface-coated cutting tool

Details Surface-coated cutting tool Surface-coated cutting tool

2011-06-28

2011-06-28

Fridie, Jr., Will (Department: 3724)

Cutters, for shaping

Comprising tool of specific chemical composition

C407S113000

Reexamination Certificate

active

07967533

ABSTRACT:
A surface-coated cutting tool includes a coating layer (108) formed on a substrate (104), wherein assuming that the average thickness of the coating layer (108) on a first surface (106) and a second surface (107) of the substrate (104) is A, a difference between the maximum and minimum thicknesses of the coating layer (108) is 0.04×A or less. Also, a surface-coated cutting tool includes a coating layer (108) formed on a substrate (104), wherein assuming that the average thickness of the coating layer (108) on a first surface (106) of the substrate (104) is B1, and the average thickness of the coating layer (108) on a second surface (107) of the substrate (104) is B2, a value obtained by dividing an absolute difference value between B1and B2by a larger value of B1and B2is 0.04 or less.

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