Method for adjusting a knife in changing knives, and a cutting m

Details Method for adjusting a knife in changing knives, and a cutting m Method for adjusting a knife in changing knives, and a cutting m

1999-01-14

2000-10-17

Rada, Rinaldi I.

Tool changing

With means to condition or adjust tool or tool support

83 13, 83954, B23Q 300

Patent

active

061323489

ABSTRACT:
A method of adjusting a blade (12) in its lowermost position while replacing a used one in a machine for cutting paper, cardboard, and similar stock. The blade is loosely attached to a blade holder that travels up and down. The blade can be loosened from the holder and raised and lowered therein. With the blade holder down, the blade can be adjusted by lowering it against at least one support (19 or 20) at the level of the stock being cut.
The backing strip is removed from the stock-positioning board. The support is advanced out of a disengaged position and into an engaged, blade-adjustment, position. The blade holder, accommodating the blade loose in its raised position, is lowered into its lowermost position. The blade is lowered onto the support in its engaged position and secured tight to the blade holder in that position. The blade holder is raised. The support is returned into its disengaged position. The backing strip is replaced in the stock-positioning board.
A machine for carrying out the method has a blade-replacement device with a mechanism for adjusting the blade in its lowermost position.

REFERENCES:
patent: 1485886 (1924-03-01), Russell
patent: 2281877 (1942-05-01), Green
patent: 2525401 (1950-10-01), Dehn
patent: 2734572 (1956-02-01), Pater
patent: 2939358 (1960-06-01), Pearson
patent: 3003381 (1961-10-01), Biel et al.
patent: 3465632 (1969-09-01), Bilek
patent: 4054076 (1977-10-01), Kumabe
patent: 5784940 (1998-07-01), Gross et al.

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