Porter Engineering Ltd.

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Porter engineered many of the advances in sophisticated softwareused in determining the best method to break down long logs inbucking systems and short logs at primary breakdown. From theearlier methods of Look-Up Tables to the Real Time Solutions oftoday, Porter has led the industry in providing a completepackage of Optimization and Process Control for log breakdown.
It is estimated that over 70 percent of Western Canadian logs have been scanned with PEL systems.

Porter has recently entered the southern USA market with sales to Weyerhaeuser and Champion International.

"RT2 - Real Time for Real Trees" is a world class softwareprogram that runs on the VME based Motorola line of processors.

"RT2" is in use in most of the largest mills in Western Canadafor primary breakdown on machines such as Sharp Chain Reducer
Bandsaws, Chip-N-Saws and End Doggers, as well as for Bucking
Systems in both Linear and Transverse Merchandisers. Solutions are generated in less than a second, as thousands of combinationsof boards and cants are evaluated to yield the highest value products. The resulting sets are sent to the linear positionersvia the PLC and Setworks to position the chipperheads and saws as well as set the appropriate feedspeed. In some cases, logsare processed through Chip-N-Saws at feedspeeds of up to 500 fpm.

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