Automatic bur grinding machine

Details Automatic bur grinding machine Automatic bur grinding machine

1976-03-15

1977-10-11

Jones, Jr., James L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51108R, 51237T, B24B 302, B24B 360

Patent

active

040528219

ABSTRACT:
A bur grinding machine especially adapted to grind dental burs and including a turntable supporting a plurality of similar workheads having collets to support bur blanks; a plurality of grinding units mounted on a stationary base in circumferentially spaced locations around the periphery of said table and repsectively operable to perform different grinding operations in sequence upon the heads of bur blanks; means to index, rotate, and advance the collets of the workheads automatically at each grinding unit to form a plurality of teeth upon the bur blanks; means to index said table to advance the burs in the workheads to the next grinding unit; means to feed and accurately position bur blanks within the collets of the workheads; and means to control the cycle of the machine throughout.

REFERENCES:
patent: 978097 (1910-12-01), Wilt
patent: 2076808 (1937-04-01), Bryant
patent: 2109600 (1938-03-01), Vanderbeek
patent: 3153305 (1964-10-01), Burt
patent: 3309819 (1967-03-01), Guhring
patent: 3488886 (1970-01-01), Braum
patent: 3974553 (1976-08-01), Reiger

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