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| 双向凸台皮带轮冲锻成形有限元分析 |
| FEM Analysis of Pulley with Bidirectional Boss in Stamping-forging Hybrid Forming |
| Received:September 10, 2012 Revised:November 10, 2012 |
| DOI： |
| 中文关键词: 冲锻成形 双向凸台 皮带轮 有限元 分流槽 |
| 英文关键词: stamping-forging hybrid forming bidirectional boss pulley FEM diffluent trough |
| 基金项目: |
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| 中文摘要: |
| 根据皮带轮壁厚不均匀且带有双向凸台的结构特点，对其进行冲锻成形工艺研究。利用有限元软件Deform-3D对冲锻阶段金属的流动、成形缺陷及成形载荷进行模拟分析，并采取在冲锻模上模增加不同高度分流槽的形式来降低成形载荷。结果表明，对于双向凸台皮带轮可以采用冲锻成形工艺来成形；在分流槽高度为2 mm时，成形效果良好，成形载荷较小。 |
| 英文摘要: |
| The stamping-forging hybrid forming process was analysed based on the structure characteristics, including non-uniform wall thickness and bidirectional boss of the pulley. By the FEM software Deform-3D, the metal flow, forming defect and load in stamping-forging hybrid forming process were analysed. Diffluent troughs with different heights in the top die were used to reduce the forming load. As a result, stamping-forging hybrid forming was available for pulley with bidirectional boss, the load and forming result was satisfactory when the height of diffluent trough is 2 mm. |
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