Process and apparatus for producing a rough generated surface on

Details Process and apparatus for producing a rough generated surface on Process and apparatus for producing a rough generated surface on

1994-02-01

1996-01-16

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412995, 204212, 204224M, C25F 302, C25F 700

Patent

active

054845130

ABSTRACT:
The invention relates to a process and apparatus for producing a rough and hard generated surface on a cylindrical body of rotation, more particularly a roll for metal strips. To rapidly obtain as uniform a surface roughness as possible, the body of rotation (2), acting as a cathode, is immersed over its whole length into an electrolyte (1) in a tank (3) only to such an extent that the immersed peripheral portion is narrower by a multiple than a plate-shaped anode (5) disposed opposite the body of rotation and extending over its whole length. The electrolyte can contain a substance suitable as a finishing deposit on the generated surface.

REFERENCES:
patent: 1918627 (1933-07-01), Ballard
patent: 2272609 (1942-02-01), Kennedy et al.
patent: 3519548 (1970-07-01), Karlquist
patent: 3647646 (1972-03-01), Tucker et al.
patent: 5344538 (1994-09-01), Chamberlain et al.

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