摘要
为了分析万能法轧制H型钢的过程中,轴承内部摩擦力对滚动体接触反力的影响,利用有限元的方法建立了轴承座受力的二维有限元分析模型。在轧制力峰值一定和摩擦因数变动的条件下,系统地模拟了轴承座的静力学特性分析。研究结果表明：接触反力随接触包角的增大而增大,在接触包角22.5°-56.25°的范围内,摩擦因数越小,接触反力的波动越大,波动的峰值出现在接触包角45°的区域内。该研究成果对于进一步研究轴承座的受力及其优化和判定轴承的寿命提供了理论上的依据。
In order to analyze the effect of friction force on contact reaction inner bearing during universal rolling of H-Beam ,2D finite element model of bearing block was established using numerical simulation method. On the base of the determination peak value of rolling force and variable coefficient of friction force, the static character of bearing block was simulated. The results indicate that contact reaction increases with the contact wrap angle, the fluctuation of contact reaction enlarges with the coefficient of friction in domain of 22. 5°- 56. 25°. Its peak value appeares in the domain of 45 °of contact wrap angle. The research results provide a guide for further studies on the stress, optimization and lifespan for bearing block.
出处
《润滑与密封》
CAS
CSCD
北大核心
2007年第7期51-53,58,共4页
Lubrication Engineering
基金
河南省教育厅科技攻关项目(2006460018).
关键词
H型钢
轴承座
轧制力
摩擦因数
接触反力
H-beam
bearing block
rolling force
coefficient of friction force
contact reaction
