Double-head automatic grinding machine

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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Details

5116581, 5116586, B24B 504

Patent

active

043229174

ABSTRACT:
A double-head automatic grinding machine which comprises a machine base, a work table supported on the base for movement in the longitudinal direction of the base and supporting a main shaft support block and an opposing tail stock for pinching a workpiece therebetween, a grinding wheel support block movably supported on the machine base for movement towards and away from the table in a direction normal to the table movement path, a vertically movable lifting block slidably mounted in the grinding wheel support block and supporting a pair of grinding wheel shafts in a vertically spaced relationship.

REFERENCES:
patent: 2101787 (1937-12-01), Amidon
patent: 2127210 (1938-08-01), Dunbar
patent: 2612736 (1952-10-01), Lewis
patent: 2730845 (1956-01-01), Ernst
patent: 2748540 (1956-06-01), St. George
patent: 2771715 (1956-11-01), Wood
patent: 4027245 (1977-05-01), Bourrat

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