GR-IST: PC Program for Evaluating Gang-Rip-First Board Cut-Up Procedures

摘要

As the price of the better grades (Firsts & Seconds and Selects) of lumbercontinues to climb, many furniture and cabinet manufacturers have begun to process parts from No. 1 and No. 2 Common lumber. However, getting the optimum parts yield from these lower grades of lumber is difficult when using the traditional crosscut-first procedure. A gang-rip-first procedure is one solution to this problem, and a microcomputer program called GR-1ST (gang-rip-first) is now available. GR-1ST output provides: parts yield information for each board; a printer plot of each board and its defects plus the resulting saw cuts and the parts produced; and parts summary information for the parts produced from all boards processed during the computer run. As the required board defect data files become available, the program will allow researchers and plant managers to determine optimal gang-rip-first procedures for producing needed parts from different grades of lumber.