The Flattening and Stiffening Effect of Centrifugal Stress on Circular Saw Blades in Different States

被引：0
|
作者：
Li, Bo [1 ]
An, Yuan [1 ]
机构：
[1] Chinese Acad Forestry, Res Inst Wood Ind, Beijing, Peoples R China
来源：
FOREST PRODUCTS JOURNAL | 2022年 / 72卷 / 02期
基金：
中国国家自然科学基金;
关键词：
NATURAL FREQUENCIES; TENSIONING PROCESS; DYNAMIC STABILITY;
D O I：
10.13073/FPJ-D-21-00075
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
Circular saw blades have many states, before and during the sawing process, depending on the different residual stresses and flatness of the circular saw blades. Based on the different states of circular saw blades, the effect of rotating centrifugal stress on the dynamic stability of circular saw blades is different, mainly reflected in flattening and stiffening effects. In this article, three representative states of circular saw blades were chosen and studied. The finite element method was chosen to simulate the deformation behavior of circular saw blades in the three states. The flattening and stiffening effects of centrifugal stress on circular saw blades in the three states were systematically studied. The axial stiffness of the outer edge of circular saw blades is increased with rotating speed. The rotating speed has a flattening effect on the circular saw blade, as a result of a centrifugal stress field. When the circular saw blade is in a different state, there are some differences in the flattening and stiffening effect of centrifugal stress.
引用
收藏
页码：92 / 97
页数：6
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