Knife changing method in a veneer lathe

Details Knife changing method in a veneer lathe Knife changing method in a veneer lathe

1994-01-18

1995-05-23

Bray, W. Donald

Tool changing

Process

144209R, 144212, 144379, 483 25, 483 26, B23Q 3155

Patent

active

054176379

ABSTRACT:
A knife changing method is disclosed which is applicable to a veneer lathe equipped with a knife carriage to which a veneer peeling knife is clamped with its cutting edge set at a predetermined elevation relative to the knife carriage. The knife carriage is shiftable to at least one knife changing position and the lathe has formed in at least one of its side frames a knife passage adjacent the knife changing position of the carriage. In the knife changing operation, the knife carriage is firstly shifted to its knife changing position, where an old knife is released from the knife carriage by undoing knife clamps. The freed knife is laterally moved away from the veneer lathe through the knife passage in the side frame. Then, a new, or reground knife is moved laterally into the veneer lathe through the knife passage to a predetermined knife installing position on the knife carriage, where the new knife is fixed to the carriage by activating the knife clamps. In moving the old knife away from the veneer lathe, it is firstly removed laterally from the knife carriage and then withdrawn laterally out of the veneer lathe. In moving the new knife into the veneer lathe, it is firstly inserted laterally into the veneer lathe and then moved laterally to the knife installing position on the knife carriage.

REFERENCES:
patent: 3006392 (1961-10-01), Elford
patent: 3603186 (1971-09-01), Vigor
patent: 4034867 (1977-07-01), Akagawa
patent: 4842029 (1989-06-01), De Abreu
patent: 4946399 (1990-08-01), Kawashima
patent: 5217423 (1993-06-01), De Dompierre
patent: 5232380 (1993-08-01), Inoue et al.

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