SURFACE COATING CERMET-MADE END MILL AND CUTTING TOOL

Title:

SURFACE COATING CERMET-MADE END MILL AND CUTTING TOOL

Document Type and Number:

Japanese Patent JPH08243830

Kind Code:

A

Abstract:

PURPOSE: To provide a surface coating cermet-made end mill and a cutting tool having large bond strength of a coating layer formed in a surface of an edge point to eliminate apprehension of separation or the like further with a long life.

CONSTITUTION: A coating layer 8 is formed by chemical evaporation in a surface of a cermet-made end mill base unit 7, and it contains 70 to 95wt.% hard dispersed phase containing a compound metal carbon nitride of one kind or more selected from Ti, Zr, Hf, V, Ta, Nb, W, Mo, with the rest part consisting of a binding phase mainly composed of Go and/or Ni. The coating layer 8 is formed by containing any one kind or more of carbide, nitride, oxide, carbon nitride and nitride carbonate of one kind or more selected from Ti and Al.

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Inventors:

NAKAMURA SEIICHIRO
TANAKA TETSUYA

Application Number:

JP5158295A

Publication Date:

September 24, 1996

Filing Date:

March 10, 1995

Export Citation:

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Assignee:

MITSUBISHI MATERIALS CORP

International Classes:

B23C5/16; B24B3/06; C22C29/02; C23C16/32; C23C16/34; C23C16/36; C23C16/40; (IPC1-7): B23C5/16; B24B3/06; C22C29/02; C23C16/32; C23C16/34; C23C16/36; C23C16/40

Attorney, Agent or Firm:

Masatake Shiga (2 outside)

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