Method and apparatus for sharpening scalloped-edge blades

Details Method and apparatus for sharpening scalloped-edge blades Method and apparatus for sharpening scalloped-edge blades

1994-01-18

1995-07-25

Rose, Robert A.

Abrading

Abrading process

Razor, knife, or scissors sharpening

451421, 451208, 451192, B24B 358

Patent

active

054357713

ABSTRACT:
A sharpening apparatus for sharpening scalloped-edged blades in a carton slitting machine includes at least two rotating cylindrical hones mounted on a pneumatically controlled actuator. A sharpening operation is initiated by a machine operator as needed to maintain blade sharpness, and is performed automatically by the apparatus controls. The actuator positions the rotating hones in contact with opposing sides of a cutting edge of the slitting blade as the blade moves past the hones at reduced speed. A first hone is rotated in a direction opposite to the direction of the blade and a second hone is rotated in the same direction of the blade. During sharpening, the hones execute several reciprocating axial movements to stroke the blade.

REFERENCES:
patent: 1053331 (1913-02-01), Waring
patent: 2961809 (1960-11-01), Hansen
patent: 2997825 (1961-08-01), Hansen
patent: 3036408 (1962-05-01), Hansen
patent: 3060650 (1962-10-01), Hansen
patent: 4309930 (1982-01-01), Wright
patent: 4528777 (1985-07-01), Bernstein et al.
patent: 4829721 (1989-05-01), Wright

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