Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-08-30
1979-06-12
Godici, Nicholas P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51118, B24B 716
Patent
active
041576373
ABSTRACT:
A method and apparatus for lapping workpieces or components. A planetary-type plane lapping machine has a stationary lapping disc and a rotary driven rotary lapping disc. A cage having a socket for holding work to be lapped is disposed between the stationary lapping disc and the rotary lapping disc. The cage is a planet gear driven by a sun gear and a ring gear of a sun-and-planet gear. A differential gear train couples the sun gear with the rotary disc for driving the rotary lapping disc and a differential mechanism controls the direction of wear of the working surfaces of the lapping discs. In order to carry out the method disclosed the rotary lapping disc is driven rotationally at substantially twice the speed at which the center of the cage rotates about the axis of rotation of the rotary lapping disc. This precludes the development of forces of the work being lapped from acting on the cage.
REFERENCES:
patent: 2963830 (1960-12-01), Hook
patent: 2973605 (1961-03-01), Carman
patent: 3089292 (1963-05-01), Hunt
patent: 3097458 (1963-07-01), Richmond
patent: 3662498 (1972-05-01), Caspers
Khasanov Mukim M.
Nedospasov Vladimir G.
Orlov Petr N.
Peshkov Valery A.
Savelova Alexandra A.
Adams Bruce L.
Burns Robert E.
Godici Nicholas P.
Lobato Emmanuel J.
Moskovskoe Vysshee Tekhnicheskoe Uchilische Imeni N.E. Baumana
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