Log processing systems

  • US 4,879,659 A
  • Filed: 11/24/1987
  • Issued: 11/07/1989
  • Est. Priority Date: 11/24/1987
  • Status: Expired due to Term
First Claim
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1. A computer controlled processing system for lumber production comprising;

  • a computer,a sequence of processing stations for processing a log segment including;

    an excess material removing station for generating opposed flat side surfaces on the log segment, said flat side surfaces determined by the computer to become sides of boards to be severed from said log segments;

    a profiling station for forming profiled edges above and below said flat side surfaces to become the side edges of the boards to be severed from the log segment, and a severing station for severing the boards from the log segments,a conveyance means establishing a path of conveyance and having continuous control of the log segment in conveying the log segment along the path and through the above defined sequence of processing stations, and the improvement that comprises;

    scanning means prior to the profiling station for obtaining data of the configuration of the log segment in three dimensions, and said computer receiving said data and projecting the optimum side boards obtainable from the log segment including location and angular orientation of the side boards relative to the log segments conveyed along the path of conveyance; and

    said profiling station including adjustable profiling heads and said computer controlling the adjustable profiling heads, said profiling heads being continuously responsive to said computer to form the edges of the projected side boards during conveyance of the log segment through the profiling station.

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