Grinding machine for grinding a helical groove in a workpiece of

Details Grinding machine for grinding a helical groove in a workpiece of Grinding machine for grinding a helical groove in a workpiece of

1977-08-30

1979-06-12

Godici, Nicholas P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51DIG31, B24B 1902

Patent

active

041576357

ABSTRACT:
A grinding machine for grinding a helical groove in a workpiece of tapering axial section, to give a conical cutter, has means for rotating the workpiece at a varying rate as it is advanced towards the grinding wheel. The rotating means includes a pinion in the workhead engaging with a rack extending across the machine. The rack is connected to a slide lockable in position along a pivotal arm, so that the end of the rack follows a circular path as the workpiece is advanced.

REFERENCES:
patent: 2212855 (1940-08-01), Chittenden
patent: 2232704 (1941-02-01), Hughes
patent: 2330921 (1943-10-01), Rickenmann
patent: 2564496 (1951-08-01), Murray
patent: 3680261 (1972-08-01), Ward

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