Apparatus for grinding cutting edges of knives in tobacco cuttin

Details Apparatus for grinding cutting edges of knives in tobacco cuttin Apparatus for grinding cutting edges of knives in tobacco cuttin

1985-01-23

1988-01-12

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 33HK, 51249, B24B 900

Patent

active

047181982

ABSTRACT:
The straight of undulate cutting edges of elongated knives on the rotary knife holder in a tobacco shredding machine are ground by a driven grinding wheel, whose axis makes a small acute angle with the axis of the holder, while the grinding wheel is rocked back and forth about an axis which is parallel to the axis of the grinding wheel and is located in a second plane parallel to a first plane which is tangential to the cylindrical path of the cutting edges. If the axial length of the grinding wheel is less than the length of the cutting edges, the grinding wheel is advanced stepwise in the axial direction of the holder.

REFERENCES:
patent: 627863 (1899-06-01), Maynard
patent: 1193453 (1916-08-01), Brinkman
patent: 2151204 (1939-03-01), Hartman
patent: 2762169 (1956-09-01), Schmaus
patent: 3374699 (1968-03-01), Schmermund
patent: 3979076 (1976-09-01), Stoltzfus et al.
patent: 4557074 (1985-12-01), Elsner

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