Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1978-04-11
1979-10-16
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51156, B24B 3100
Patent
active
041708490
ABSTRACT:
The rotary machine for three-dimensional polishing of workpieces shaped as solids of revolution in a magnetic field using ferromagnetic abrasive powders comprises an electromagnetic system incorporating an annular working air gap adapted for the ferromagnetic abrasive powder to accommodate therein, and a rotor arranged oppositely to the electromagnetic system and carrying spindles for the workpieces being machined to hold, said spindles being spaced peripherally on the rotor so as to traverse the workpieces along the working gap of the electromagnetic system when the rotor is running. The electromagnetic system comprises a number of segments having different magnetic induction which gradually diminishes along the direction of traverse of the workpieces being machined. The space of the air gap within each of the segments is filled with the ferromagnetic abrasive powder of different fineness ratio which is gradually diminished along the direction of traverse of the workpieces being machined.
Kosobutsky Alexandr A.
Sakulevich Faddei J.
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