Method for finishing the surface of an aluminum roller

Details Method for finishing the surface of an aluminum roller Method for finishing the surface of an aluminum roller

1988-12-12

1990-03-27

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29132, B21B 2702

Patent

active

049108441

ABSTRACT:
An aluminum roller for conveying a web has a surface prepared by blasting the surface of the roller with steel shot to create on the surface a deep texture with well rounded down features and sharp up features with peaks. The blasted surface is finished with a grinding action for removing the peaks to produce plateaus surrounded by interconnected channels. Then the surface is hardcoated and polished. The interconnected channels of the surface allow air entrained between the roller surface and a web to be vented through the channels while the web is in contact with the roller.

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