Press plate having textured surface formed by simultaneous shot

Details Press plate having textured surface formed by simultaneous shot Press plate having textured surface formed by simultaneous shot

1993-08-12

1997-01-28

Jones, David

Metal tools and implements, making

Blank or process

Die

72 53, B21K 520

Patent

active

055969127

ABSTRACT:
Shot peening with a mixture of at least two sizes of shot can be used to obtain a textured finish press plate with desirable gloss features. The press plate is impacted with a mixture of shot having at least two different sizes to simultaneously obtain a texture and gloss control. A separate overblasting step to obtain a desired gloss uniformity is thereby avoided.

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"Glass Bead Impact Blasting", Michael Woelfel and Robert Mulhall, Sep. 1982, pp. 57/58.

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