Roll manufacture

Details Roll manufacture Roll manufacture

1995-07-07

1997-04-22

Jordan, Charles T.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

419 42, 419 49, B22F 100

Patent

active

056237260

ABSTRACT:
The invention relates to the manufacture of paper machine roll shells of stainless steel. According to the invention, powder is made of molten steel by gas-atomizing, a roll shell preform is made of the powder, and the roll shell preform is machined to form a roll shell. The main advantage of the rolls shells according to the invention is their good corrosion fatigue resistance.

REFERENCES:
patent: 4340432 (1982-07-01), Hede
patent: 4740254 (1988-04-01), Rainger et al.
patent: 4770703 (1988-09-01), Tarutani et al.
patent: 4964924 (1990-10-01), Yoshitake et al.
patent: 5114470 (1992-05-01), Biancaniello et al.

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