Polishing composition for centrifugal magnetic-abrasive machines

Details Polishing composition for centrifugal magnetic-abrasive machines Polishing composition for centrifugal magnetic-abrasive machines

1983-01-18

1984-05-29

Derrington, James H.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

Cellulose or derivative thereof

51304, 51309, C09K 314

Patent

active

044512694

ABSTRACT:
The polishing composition for a centrifugal magnetic-abrasive machine for machining complex profiled workpieces. The composition exhibits ferro-magnetic properties and could be used in all centrifugal and magnetic-abrasive machines but more particularly in the combined centrifugal magnetic-abrasive machines wherein high roughness grades of the machined surfaces are obtained from comparatively low speeds of centrifugal packing and low magnetic field intensity. The composition is made of a 84-86% mixture of abrasive grains and iron-powder; 4-6% of a mixture of chromium sesquioxide, stearine, and oleic acid; 4-6% ground fruit pits or sawdust; and 4-6% of a 3% aqueous solution of triethanolamine soap. In their respective mixtures the abrasive grains are 5-40 mm in size and amount to 16-20%, the iron-powder amounts to 80-84%, the chromium sesquioxide of the 1-10 mm grain size amounts to 55-57%, the stearine amounts to 37-39%, and the oleic acid amounts to 5-7%.

REFERENCES:
patent: 2119159 (1938-05-01), Glenning
patent: 2622047 (1952-12-01), Ayers
patent: 3695934 (1972-10-01), Feldhaus

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