Backup roll arrangement for wood veneer lathe

Details Backup roll arrangement for wood veneer lathe Backup roll arrangement for wood veneer lathe

1981-02-05

1983-08-02

Bray, W. D.

Woodworking

Veneer lathe

364174, B27L 502

Patent

active

043960499

ABSTRACT:
A backup roll arrangement for peeling veneer from a log in a wood veneer lathe which includes a backup roll rotatably mounted on a carriage driven by a dc motor toward the center of the log during a veneer peeling operation. A control system coordinates the position of the backup roll with the position of a veneer knife blade on a knife carriage as it advances toward the axis of the rotating log to peel veneer. The backup roll is positioned intermediate the ends of the log and is controlled to be fed toward the log axis in coordination with the knife so as to prevent bending or bowing of the log core, particularly during the later stages of the veneer peeling operation. The backup roll assembly has a frame mounted generally above the veneer lathe such that as the backup roll carriage moves downwardly, the axis of rotation of the backup roll moves toward the axis of rotation of the log at a constant small angle from vertical.

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