Control system for automatic adjustment of lathe knife pitch

Details Control system for automatic adjustment of lathe knife pitch Control system for automatic adjustment of lathe knife pitch

1988-11-28

1990-12-18

Ruggiero, Joseph

Boots, shoes, and leggings

144213, 144357, 36447402, G06F 1546, B27L 502

Patent

active

049791206

ABSTRACT:
An electrical control system is described for automatic adjustment of the pitch angle of a lathe knife in a veneer lathe apparatus in response to reduction of the diameter of the log during peeling. The control system includes a digital computer having a memory in which are stored a plurality of data tables of different pitch angle profile ranges for different wood species. The lathe knife pitch angle is adjusted by such compute control system changing the height of a cam follower roller on a knife carriage which moves along a mechanical pitch rail cam member during peeling.

REFERENCES:
patent: 4380259 (1983-04-01), Brookhyser et al.
patent: 4392519 (1983-07-01), Calvert
patent: 4494588 (1985-01-01), Berry et al.
patent: 4506714 (1985-03-01), Shrum et al.
patent: 4708180 (1987-11-01), Browning, Jr. et al.
patent: 4791970 (1988-12-01), Walser et al.

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