齿根圆角半径对齿轮冷锻成形的影响
Effect of Dedendum Fillet Radius on Cold Forging for Gears
陈 伟, 陈 晖, 李名尧
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作者单位：（上海工程技术大学 材料工程学院，上海 201620）
中文关键字：圆柱直齿轮； 冷锻； 数值模拟； 齿根圆角半径
英文关键字：column spur gear; cold forging; numerical simulation; dedendum fillet radius
中文摘要：利用Solidworks三维造型软件对圆柱直齿轮进行参数化建模；采用正挤压成形工艺，使用有限元数值模拟软件Deform-3D对冷锻成形过程进行三维刚塑性有限元数值模拟；确定了合适的齿根圆角半径以优化成形工艺，为实际生产提供参考。
英文摘要：The parametrical modeling of column spur gear was set up by software Solidworks; adopting forward extrusion forming process, and using finite element simulation software Deform-3D, the cold forging forming of the gear was simulated; then the suitable dedendum fillet radius was defined to optimize forming process, which can give a reference for practical production.