文献类型：期刊文献

中文题名：圆锯片多点加压适张工艺压点分布对适张效果的影响

英文题名：The inf luence of spots distribution of multi-spot pressure tensioning process on the tensioning effect of circular saw blade

作者：李博[1] 张占宽[1] 李伟光[1] 彭晓瑞[1]

第一作者：李博

机构：[1]中国林业科学研究院木材工业研究所

年份：2015

卷号：26

期号：4

起止页码：19-23

中文期刊名：木材加工机械

外文期刊名：Wood Processing Machinery

基金：国家农业科技成果转化资金项目"木材低切削量锯切加工技术"(2013G B24320607);国家自然科学基金项目"微量零锯料角锯齿木材锯切特性与机理研究"(31270605)

语种：中文

中文关键词：圆锯片;多点加压适张工艺;有限元法;显式动力学

外文关键词：circular saw blade; multi-spot pressure tensioning process; finite element method; dynamic explicit

分类号：TS643

摘要：应用ABAQUS有限元软件中的Dynamic/Explicit显式动力学求解模块建立了圆锯片多点加压适张工艺过程的加载过程仿真模型,并且结合Static/General静力隐式求解模块仿真分析了经过多点加压适张后的圆锯片卸载过程。以圆锯片边部切向适张应力的平均值与波动幅值作为多点加压适张工艺适张效果的表征参数,分析了压点分布形式对圆锯片适张效果的影响。仿真分析结果表明:圆锯片周向压点数、径向压点数与压点直径都对圆锯片边部切向适张应力的平均值与波动幅值有显著的影响,通过调整压点分布形式,能够使得圆锯片的适张效果达到最优。
The multi-spot pressure tensioning process of circular saw blade is built by Dynamic/Explicit solving module of the finite element software called ABAQUS. The uninstall process of circular saw blade after tensioning is analyzed by Static/General solving module of ABAQUS. The tensioning effect of multi-spot pressure tensioning process is characterized by the average value and fluctuation amplitude of tangential tensioning stresses in the edge of circular saw blade. The influence of distribution form of spots on the tensioning effect is studied by the model. Simulation results show that the number of circumferential spots, number of radial spots and diameter of spots all have obvious influence on the average value and fluctuation amplitude of tangential tensioning stresses in the edge of circular saw blade. The tensioning effect can be optimized by adjusting the distribution form of spots.