Veneer clipper control system

摘要: A TELEVISION CAMERA TUBE OPTICALLY SCAN EVENLY SPACED LINES ACROSS LONGITUDINALLY MOVING STRIP OF VENEER IN RESPONSE TO LINE PULSES DERIVED FROM TACHOMETER SYNCHRONIZED WITH THE MOVEMENT AND UNDER AUTOMATICALLY CONTROLLED ILLUMINATION CONDITIONS. WIDTH FLAW COUNTERS CLOCK BY OUTPUT CAUSE PRODUCTION PULSE, IF ALONG ANY GOOD WOOD IS INCORRECT OR AT LEAST ONE EXCESSIVE PRESENT. LENGTH COUNTER CONJUNCTION PULSE DETERMINE WHAT PORTIONS ARE UNACCEPTABLE DELAYING ACTUATION KNIFE CUT PANELS ACCEPTABLE PREDETERMINED MINIMUM ALSO STANDARD MAXIMUM WIDTH. COMPENSATOR COMPENSATES FOR ERRORS DUE CHANGES RATE POSITION WHEN HAS NOT HAD TIME RETURN REST PREVIOUS CLIP.