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分析并计算了坯料摩擦力对连续挤压机挤压轮槽根部的应力集中影响及其产生的撕裂效果，这对挤压轮的失效分析和设计具有重要的指导意义。
The influence of the friction of the billet on the stress concentration in the root of the extrusion groove wheel of the continuous extrusion press and its tearing effect are analyzed and calculated, which has important guiding significance for the failure analysis and design of the extrusion wheel.