Automatic composite press technique for producing cutting insert

Details Automatic composite press technique for producing cutting insert Automatic composite press technique for producing cutting insert

1981-12-16

1985-10-01

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

51295, 51307, 264 60, C04B 3116

Patent

active

045445176

ABSTRACT:
A technique for providing an intermediate composite adapted to be reaction sintered to produce a cutting insert includes the steps of positioning a pellet of material disposed within a holder on top of a first plunger within a mold by moving the holder and pellet into alignment with the plunger through the use of a first feeder device. A powder mix is then disposed adjacent to at least a portion of the pellet within the mold by a second feeder device. The powder mix and the pellet are compressed together in the mold to produce the intermediate composite which is then removed from the mold for reaction sintering in accordance with the press and treat technique.

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