Method of making a cutting insert with a hole for clamping

Details Method of making a cutting insert with a hole for clamping Method of making a cutting insert with a hole for clamping

2008-12-19

2011-10-04

Ip, Sikyin (Department: 1735)

Powder metallurgy processes

Forming articles by uniting randomly associated metal particles

Consolidation of powders

Reexamination Certificate

active

08029724

ABSTRACT:
A method of making a cutting insert using powder metallurgical methods including using a press with a main pressing direction and a press tool setup with a die, a male core rod, a female core rod, a bottom punch, a top punch and a feed shoe. The insert has a noncylindrical hole perpendicular to the main pressing direction, herein referred to as a cross-hole. A cross-hole with increased dimensional accuracy is obtained if the powder also is compacted by the two core rods.

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patent: 2004/0086415 (2004-05-01), Gubanich et al.
patent: 2 012 654 (1979-08-01), None
patent: 10-118796 (1998-05-01), None
patent: 10-146695 (1998-06-01), None

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