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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_i _i automatically locate defects board width CD CD CD clear area clear cuttings CLRKNT collect defect information combinations of rip computer program coordinate system grid cut and crosscut cutting bill requirements cutting yields data grid defect location data Forest Products Laboratory grid encountered grid units kerf last defect grid LJ _J LJ h LJ LJ LJ maximum minimum cutting length minimum yield solution Multiple ripping MULTIPLE-RIPPED BOARDS number of grid number of rip OJ OJ OJ oj ro optimize sawline placement percent yield piece tally random length cuttings rip combination rip cuts rip saws available rip width combination RIPYLD Sawing variables sawline placement based softwood specified length cuttings specified length option SUBROUTINE U.S. Depart UD OJ UJ _i UJ UJ unit grid area USDA X-grids X-Y coordinate system XCUT YIELD FROM MULTIPLE-RIPPED yield of clear