B - Operations – Transporting – 27 – L
Patent
B - Operations, Transporting
27
L
144/76
B27L 5/02 (2006.01)
Patent
CA 1271113
SPINDLELESS VENEER LATHE Abstract of the Disclosure A veneer lathe having a fixed roller, a slid- ably positionable pressure roller and a slidably posi- tionable following roller. A following roller posi- tioning means selectably positions the following roller with respect to the fixed and pressure rollers in re- sponse to a following roller position control signal. The rollers are rotated against a block positioned be- tween the rollers, thereby rotating the block with re- spect to a knife, which peels veneer from the block. The pressure roller is slidably positionable in a first plane, and the following roller is slidably positionable into a selected location in a second plane, thereby af- fording precise control over peeling of the block. A knife positioning means controllably advances the knife into the rotating block in response to a knife position control signal. A knife angling means control lably positions the knife at a selectably variable angle with respect to the rotating block in response to a knife angle control signal. Pressure and following rol- ler position sensing means sense the positions of the pressure and following rollers respectively and produce pressure and following roller position output signals representative thereof. A signal processing means (i.e. a computer) receives the output signals and produces the following roller position control signal, the knife po- sition control signal and the knife angle control signal as functions of the output signals.
519035
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