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Title:
MANUFACTURE OF THIN ALUMINUM PIPE FOR COPYING MACHINE DRUM
Document Type and Number:
Japanese Patent JPH03149180
Kind Code:
A
Abstract:

PURPOSE: To satisfy RMAX2μm or less surface roughness, required for a copying machine drum, with no necessity for accurate cutting work of high manufacture cost by applying roller burnishing work to an aluminum or aluminum alloy drawn pipe of 10μm or less surface roughness manufactured by drawing work.

CONSTITUTION: An aluminum or aluminum alloy pipe of 10μm or less surface roughness, finished into a predetermined dimensional shape by drawing after hot extrusion, is cut into a fixed length. Next by performing roller burnishing work of passing through a large number of burnishing rolls arranged on the circumference, this aluminum surface roughness is finished to 2μm or less.


Inventors:
Hagiwara, Takuzo
Application Number:
JP1989000289306
Publication Date:
June 25, 1991
Filing Date:
November 07, 1989
Export Citation:
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Assignee:
FURUKAWA ALUM CO LTD
International Classes:
G03G5/10; B21B19/10; B21C37/30; B24B39/04; B24B39/06; B21B3/00; (IPC1-7): B21B19/10; B21C37/30; B24B39/06; G03G5/10



 
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