Grinding machine

Details Grinding machine Grinding machine

1977-01-04

1978-02-07

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116587, B24B 4918

Patent

active

RE0295310

ABSTRACT:
A grinding machine having a movable workhead for carrying a workpiece and a movable wheelhead for carrying a grinding wheel, the workhead and the wheelhead being axially movable along intersecting paths. The wheelhead is provided with a lead screw drive in which the screw is fixed against rotation and the nut carried by the wheelhead platform is rotated by a gear drive but is fixed axially. This drive is used to provide micrometric movement. The screw terminates at one end in a piston in a hydraulic cylinder, this providing piston/cylinder drive for large amounts of wheelhead movement. Workhead feed is provided by a rotatable and axially displaceable spindle drive by a step-by-step electric motor through a gear train that converts the rotary motion output of the electric motion to corresponding axial movement of the spindle.

REFERENCES:
patent: 2395910 (1946-03-01), Schmidt
patent: 2661580 (1953-12-01), Crompton
patent: 2873560 (1959-02-01), Bertscher
patent: 3627490 (1971-12-01), Asano

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