Metal working drill/endmill blank and its method of manufacture

Details Metal working drill/endmill blank and its method of manufacture Metal working drill/endmill blank and its method of manufacture

1997-12-18

2000-07-11

Turner, Archene

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

51255, 51307, 51309, 75228, 75236, 75237, 75241, 75242, 407119, 4274191, 4274192, 4274197, 428334, 428325, 428698, 428701, 428702, B32B 700

Patent

active

060869801

ABSTRACT:
A cemented carbide drill/endmill blank and method of manufacture thereof wherein the drill/endmill includes a core and a surrounding tube with improved technological properties. The difference in Co-content between the core and tube is 1-10 wt-% units and the cubic carbide content is 8-20 wt-% in the tube and 0.5-2 wt-% in the core.

REFERENCES:
patent: 4743515 (1988-05-01), Fischer et al.
patent: 5145739 (1992-09-01), Sarin
patent: 5541006 (1996-07-01), Conley
patent: 5543235 (1996-08-01), Mirchandani et al.
patent: 5679445 (1997-10-01), Massa et al.
patent: 5780139 (1998-07-01), Canfer et al.
patent: 7971485 (1990-11-01), Nomura et al.

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