Stock material or miscellaneous articles – All metal or with adjacent metals – Having variation in thickness
Patent
1989-04-24
1991-02-26
Zimmerman, John J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having variation in thickness
428687, 21912167, 72199, 291214, 291216, B21D 5300, B21B 2702, B23K 2600
Patent
active
049961136
ABSTRACT:
A method for rolling material between rotating rolls utilizing a lubricant, at least one of the rolls having an anistropic working surface that comprises a topography of smooth bearing areas spaced apart by at least one micron-size groove extending around and along the face of the roll in the general direction of rolling. The groove receives and conducts lubricant freely therealong during the rolling process, i.e., as the material to be rolled is directed through the rotating rolls, and is compressed between the rolls, the smooth-bearing areas force lubricant from the areas to the location of the groove in the roll. In this manner, the material is rolled under boundary lubrication conditions.
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Hector Louis G.
Sheu Shen S.
Aluminum Company of America
Strickland Elroy
Zimmerman John J.
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