MACHINE STRESS RATING: PRACTICAL CONCERNS FOR LUMBER PRODUCERS.

被引：0

作者：

Anon

机构：

来源：

USDA Forest Service Research Paper FPL (Forest Products Laboratory) | 1977年

关键词：

COST ACCOUNTING - SAWMILLS - WOOD - Grading;

D O I：

暂无

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学科分类号：

摘要：

The first part of the report deals with the principles of stress grading by machine. In the second part, the methods of lumber yield assessment are described. The third part on mill mechanical analysis and cost analysis, surveys mills that presently use some form of machine grading, indicating flow diagrams and permitting installation cost estimates.

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