Magnetically-polishing machine and process

Details Magnetically-polishing machine and process Magnetically-polishing machine and process

1990-06-27

1991-09-03

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

511631, 511641, 51 17, 51 7, B24B 3100

Patent

active

050441280

ABSTRACT:
Articles are polished by a magnetically polishing machine having a high-speed rotatable magnet disc the top surface of which is divided by at least one diameter through the disc into alternating south- and north-polar zones, a fixed plate made of a nonmagnetic material and provided above the disc, a hollow cylindrical polishing vessel retainer provided above the fixed plate and including an elastic body made of a nonmagnetic material, the elastic body lining the inner cylindrical surface of the retainer, at least one polishing vessel made of a nonmagnetic material and removably retained in the retainer, and a device preventing the vessel from rotating. The machine and process of using the machine are applicable to an article made of a metal or a hard-plastic material and with a complicated configuration or a configuration which is desired to be as little deformed as possible.

REFERENCES:
patent: 2787854 (1957-04-01), Simjian
patent: 2880554 (1959-04-01), Simjian
patent: 3695934 (1972-10-01), Feldhaus
patent: 3848363 (1974-11-01), Lovness et al.

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