Contact Fatigue Life Analysis of Rotary Kiln Roller

被引：0
|
作者：
Li Xuejun [1 ]
Chu Fulei
Shen Yiping [1 ]
机构：
[1] Hunan Univ Sci & Technol, Hunan Prov Key Lab Hlth Maintenance Mech Equipmen, Xiangtan 411201, Hunan, Peoples R China
来源：
PROGRESS IN SAFETY SCIENCE AND TECHNOLOGY, VOL VII, PTS A AND B | 2008年 / 7卷
关键词：
contact fatigue; axis line deflection; local stress and strain; finite element; load ratio; rainflow counting;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Aiming at disclosure the relation between the axis line deflection and contact fatigue life of rotary kiln roller, roller-wheel contact modal is analyzed with different load ratio defined by horizontal divide vertical load with finite element software ANSYS; whose resultant stress curve of exterior surface roller is considered as contact fatigue driving stress, then contact fatigue life model of roller is established with Local Stress and Strain method. Contact fatigue life of one roller with different load ratio is calculated, as well as in the procedure its fatigue damages of every cycle stress-strain value with rainflow counting are provided. Some useful conclusions are drawn that contact peak stresses are principally accounted for fatigue failure and the axis line deflection seriously influence its life. The study is important to prevent roller failure, as well as useful for design & manufacture, and it will provide basis for adjusting and optimizing control of rotary kiln.
引用
收藏
页码：1864 / 1868
页数：5
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