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对大导程内螺旋齿套筒类零件的冷挤压成形工艺进行了可行性研究，分析了该类零件的成形方案，设计出了适用于该类零件成形的冷挤压模具
Feasibility study on the cold extrusion forming process of large-lead helical gear sleeve parts was made. The forming scheme of this kind of parts was analyzed and the cold extrusion die suitable for the forming of such parts was designed