Machine for three-dimensional polishing of workpieces shaped as

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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51156, B24B 3100

Patent

active

041697138

ABSTRACT:
The machine for three-dimensional polishing of workpieces shaped as solids of revolution in a magnetic field using ferromagnetic abrasive powder comprises an electromagnetic system having an air gap for the ferromagnetic abrasive powder to retain therein, spindles for the workpieces being machined to hold, a mechanism for traversing the spindles adapted for the workpieces being machined to pass through the air gap of the electromagnetic system, and mechanisms for the spindles to rotate round their own axes and oscillate. The spindle oscillating mechanism comprises a cam held in position to the spindle and adapted to engage, with its shaped face, the eccentric roller whose shaft is square with the axis of rotation of the spindle carrying the cam.

REFERENCES:
patent: 2899777 (1959-08-01), Davidson

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