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《Journal of Beijing Forestry University》 2002-03
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Thermal and rotary stresses in circular saw blades

Li Li;Xi Baotian;Yang Yongfu. School of Technology, Beijing For. Univ., 100083,P.R.China.  
This paper analyzes and calculates the thermal stress in the blades of circular saws used in cutting wooden pieces based on the detecting of temperature differences. The experiment showed that the circular saw blades were unstable when the temperature difference reached 21℃.The theoretical distribution of thermal and rotary stresses of the circular saw blades was determined depending on the experiment results. The tensioning stress should balance with thermal and rotary stresses in the circular saw blades. Therefore, these results are useful for thermal tensioning and machining tensioning of the circular saws.
【CateGory Index】: TS643
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