Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1980-04-28
1982-06-22
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 536
Patent
active
RE0309761
ABSTRACT:
A honing machine for honing ball bearing races or other arcuate grooved surfaces that extend around the circumference of cylindrical workpieces comprises a workpiece support assembly for rotatably supporting the workpiece in the machine, a spindle drive mechanism for rotating the workpiece, and an oscillation mechanism for holding and oscillating a honing stone in abrading engagement with the arcuate surface of the workpiece as the workpiece is rotated. The oscillation mechanism includes an oscillating tool holder for holding the honing stone and a mounting mechanism for rotatably supporting the oscillating tool holder. The mounting mechanism is tiltable by means of a lift cylinder and toggle linkage to lift the stone out of engagement with the grooved surface of the workpiece for insertion and removal of successive workpieces into and out of the honing machine. The tool holder mounting mechanism is mounted on a horizontal slide mechanism for sliding the oscillating bridge and attached honing stone axially out of the way of the workpiece. Constant downward pressure on the honing stone is provided by a stone feed mechanism. For honing an outer bearing race, a stone feed cylinder is mounted away from the honing stone under the oscillating tool holder and is connected to a finger applying downward pressure on the honing stone by a linkage and torsion shaft arrangement. A radial thrust bearing is employed to hold the workpiece against the spindle drive mechanism. An automatic loading mechanism loads a new workpiece into the machine and ejects a finished workpiece from the machine with a single stroke of a load cylinder.
REFERENCES:
patent: 2252096 (1941-08-01), Pew
patent: 2551961 (1951-05-01), Moore
patent: 2908115 (1959-10-01), Ennis
patent: 3089289 (1963-05-01), Serafin
patent: 3562960 (1971-02-01), Thielenhaus
patent: 3959928 (1976-06-01), Schmitz
Ex-Cell-O Corporation
Risko Frank D.
Timmer Edward J.
Whitehead Harold D.
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