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    Author(s): P. Koch
    Date: 1976
    Source: Forest Products Journal 26(12):22-27
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (874 KB)


    Flaking heads arranged to follow headrig and edger chipper heads would smooth machined surfaces and produce high-value flakes of near optimum dimensions for structural flakeboard. In the proposed concept, eight knives are closely grouped in a 45-degree helix on a cutterhead tipped at 45-degree angle to the direction of workpiece feed. Each knife is set out in cutting radius the thickness of one flake (about 0.015 inch) from the immediately preceding knife. Thus an eight-knife head would, in each revolution, remove eight flakes 0.015 inch thick and perhaps 1 inch in length while making a cut about 1/8 inch deep, thereby removing traces of torn grain caused by chipper knives.

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    Koch, P. 1976. Prototype flaking head smooths surfaces left by headrig or edger chipping heads. Forest Products Journal 26(12):22-27

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