Computer optimization of cutting yield from multiple-ripped boards
Abigail R. Stern, Kent A. McDonald, Forest Products Laboratory (U.S.), Forest Products Laboratory (U.S.)., United States. Forest Service
Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1978 - House & Home - 13 pages
RIPYLD is a computer program that optimizes the cutting yield from multiple-ripped boards. Decisions are based onautomatically collected defect information, cutting bill requirements, and sawing variables. The yield to clear cuttings from a board is calculated for every possible permutation of specified rip widths and both the maximum and minimum percent yield solutions are saved. Solutions include rip cut and crosscut locations as well as the percent yield of clear cuttings. (Author).
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automatically locate defects board width CD CD clear area clear cuttings CLRKNT collect defect information combinations of rip computer program coordinate system grid crosscut locations cut and crosscut cutting bill requirements cutting yields data grid defect location data Forest Products Laboratory grid units inches index to RIPCOM kerf last defect grid LJ LJ LU LJ LU LU LU X X maximum yield minimum cutting length minimum yield solution number of rip OJ OJ OJ OJ PJ oj ro optimize sawline placement percent yield piece tally PJ PJ OJ random length cuttings rip combination rip cuts rip saws available rip width combination RIPCOM and NRIP RIPYLD ro CD Sawing variables softwood specified length cuttings specified length option SUBROUTINE U.S. Depart uj uj unit grid area USDA X-grids yield of clear