Honed mandrel

Details Honed mandrel Honed mandrel

1995-05-08

1998-01-20

Smith, James G.

Abrading

Abrading process

451 39, B24B 100, B24B 719, B24B 730

Patent

active

057095868

ABSTRACT:
An electroforming process and apparatus for forming an electroform with a roughened surface. An electroform with a roughened surface is formed by plating a reusable mandrel with a roughened surface. The reusable mandrel surface is roughened using a sandblasting device. The surface of the reusable mandrel is coated with a dual catalyzed non-self regulating crack free chromium deposit and a surface preparation to maintain the roughened surface. An alternate embodiment of the reusable mandrel utilizes a stainless steel mandrel without the chromium deposit on the surface. The roughened electroform surface enables toner distribution and sealing of the toner distribution module.

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