Die with solid particle removal groove

Details Die with solid particle removal groove Die with solid particle removal groove

1984-09-12

1986-04-01

Bray, W. D.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

72274, 72463, 76107A, B21C 300

Patent

active

045789851

ABSTRACT:
The present invention relates to an improved die configuration. The die comprises a body member having an interior passageway defined by a bell portion and a land portion. To improve die efficiency, the bell and land portions are provided with a helical groove for removing solid particles which may dislodge from the workpiece during its passage through the die and may interrupt smooth die operation. A technique for using the die to form a tube is also described.

REFERENCES:
patent: 157653 (1874-12-01), Tasker
patent: 550724 (1895-12-01), Phillips
patent: 880563 (1908-03-01), McTear
patent: 1957234 (1934-05-01), Schroter et al.
patent: 4403491 (1983-09-01), Wassen et al.

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