全钢载重子午线轮胎零度带束层偏出的原因分析和解决措施

Cause Analysis of Deviation of 0° Belt in TBR Tire and Corrective Actions

从成型机、工艺参数、半成品、工艺操作方面分析全钢载重子午线轮胎零度带束层偏出(零度散丝)的原因,提出通过采取保证成型机后压辊精度,优化后压辊和胎冠预贴合压辊结构,调整胎面后压辊低压到高压的切换位置,合理设定胎面后压辊摆角,调整带束层供料速度与带束层贴合鼓转速,保证零度带束层、2#带束层、胎肩垫胶、胎面贴合不偏歪等措施,解决全钢载重子午线轮胎零度带束层偏出问题。

The root causes of the deviation of 0° belt in TBR tire were analyzed in this study. The molding machine, process parameters, semi-finished products, and operation of the process were investigated. Based on the analysis results, the corrective actions were recommended as follows： improvement of the accuracy of the press roll forming machine, optimization of the roller structure, adjustment of pressure switching position and roller angle, adjustment of the feed speed of the belt layer and the speed of belt layer laminating drum, and improvement of the lamination accuracy.