Grinding arrangement for chopping cutter of drum-chopper machine

Details Grinding arrangement for chopping cutter of drum-chopper machine Grinding arrangement for chopping cutter of drum-chopper machine

1982-11-17

1985-01-29

Parker, Roscoe V.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51254, 76 821, B24B 355

Patent

active

044957343

ABSTRACT:
An arrangement for grinding a chopping cutter of a drum-chopper machine has a grinding tool, a grinding carriage which carries the grinding tool and is reciprocable parallel to an axis of rotation of the chopper drum over a length of the latter, a drive for driving the grinding carriage and including a double-acting cylinder-and-piston unit with a cylinder movable parallel to the axis of a chopper drum of the machine, and a control device for reversing the direction of movement of the cylinder of the cylinder-and-piston unit and including a control valve connected with the cylinder and two abutment members located at opposite sides of the control valve, as considered in the direction of movement of the cylinder and arranged so that, when the control member meets a respective one of the abutment members, the direction of movement of the cylinder is reversed.

REFERENCES:
patent: 2113186 (1938-04-01), Vuilleumier
patent: 3026653 (1962-03-01), Zordo
patent: 3748786 (1973-07-01), Elsner
patent: 3999239 (1976-12-01), Misuna

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