反挤压直筒的省力研究
Researchment On Anti-extrusion Of Straight Tube With Force Saving
李新凯，张治民，张春雨，孟模
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作者单位：中北大学精密成形中心
中文关键字：反挤压；单位变形力；空心坯料；主应力法
英文关键字：Anti-extrusion；Unit deformation force；Hollow billet；Slab method
中文摘要：文章通过主应力法计算出反挤压空心坯料的所需载荷公式，采用Deform-3D软件对两种不同实验方案进行模拟，结果表明，反挤压空心坯料能有效降低载荷和单位变形力。通过试制铝合金轮辋证实了这一理论。
英文摘要：The load formulas of Anti-extrusion of hollow billet were calculated by Slab method.Two different programs were also simulated by Deform-3D software.The results show that，Anti-extrusion of hollow billets can effectively reduce the load and unit deformation force.The trial of Aluminum alloy wheels confirms this theory.