一种轴双联齿轮冷挤压工装及成型工艺
本发明涉及齿轮成型技术领域,具体涉及一种轴双联齿轮冷挤压工装及成型工艺:通过在坯料表面构建的PTFE基复合润滑膜能显著降低挤压过程中的摩擦阻力,促进金属材料在模具型腔内均匀流动,避免因局部阻力过大导致的充型不足。在此基础上,先成形阶梯轴结构再同步挤齿的工艺路线,使材料在润滑条件下分阶段合理分配,完全消除了过渡区域的折叠裂纹风险。最后通过车削加工形成齿轮间隙,避免了高摩擦区域金属流动紊乱的问题,采用上述工艺,确保了产品成型质量。
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