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    Author(s): Daniel E. Dunmire; George H. Englerth
    Date: 1967
    Source: Research Paper NC-15. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
    Publication Series: Research Paper (RP)
    Station: North Central Research Station
    PDF: View PDF  (2.98 MB)

    Description

    A system of locating defects in a board by intersecting coordinate points was developed and a computer program devised that used these points to locate all possible clear areas in the board. The computer determined the yields by placing any given size or sizes of cuttings in these clear areas, and furthermore stated the type, location, and number of saw cuts. The computer improved on the manual act of extracting cuttings from a board. This was demonstrated conclusively in the yields obtained from a representative sample of 4/4 hard maple lumber in the FAS, Select, and No. 1 Common lumber grades. Thus, a plant manager can obtain an accurate estimate of cutting yields from any grades of hard maple lumber.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Dunmire, Daniel E.; Englerth, George H. 1967. Development of a computer method for predicting lumber cutting yields. Research Paper NC-15. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

    Keywords

    lumber cutting yields, predicting yields, computerization

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