曾向东.曲母线型铝合金筒形零件的旋压加工[J].精密成形工程,2016,8(4):54-59.
ZENG Xiang-dong.Spinning of Cylindrical Al Alloy Part with Curvilinear Generatrix[J].Journal of Netshape Forming Engineering,2016,8(4):54-59. |
| 曲母线型铝合金筒形零件的旋压加工 |
| Spinning of Cylindrical Al Alloy Part with Curvilinear Generatrix |
| 投稿时间：2016-06-05 修订日期：2016-07-10 |
| DOI：10.3969/j.issn.1674-6457.2016.04.010 |
| 中文关键词: 铝合金 筒形件 旋压加工 强普结合 |
| 英文关键词: Al alloy cylindrical part spinning power-conventional spinning combination |
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| 中文摘要: |
| 目的 加工出 3 mm 厚的曲母线连接直壁段的大尺寸筒形铝合金零件。 方法 利用卧式数控旋压机，采用强旋、普旋相结合并辅以热旋的方案进行工艺试验。 结果 通过工艺试验摸索相关加工要点，采用先强旋出零件的小端锥曲线部位，再通过多道次加热普旋，加工出了厚度为 3 mm 的曲母线连接直壁段的大尺寸筒形铝合金零件。 结论 对于带有锥曲型面的大尺寸铝合金筒形件，采用强旋、普旋结合的工艺进行加工是可行的；零件毛坯方案、普旋时的收口量、零件扩径等因素是影响旋压加工成败的主要因素。 |
| 英文摘要: |
| In order to machine 3 mm thick large-size cylindrical Al alloy part with curvilinear generatrix followed by straight-walled section, power-conventional spinning combination method supplemented with heat spinning via horizontal CNC spinning machine was explored through process tests, namely, power spinning of the conical curve section at the small end followed by multi-pass heat conventional spinning. It has been proved that power-conventional spinning combination method is feasible for the machining of large-size Al alloy cylindrical parts with cone-curved profile. Part blank design, necking amount of conventional spinning and part expanding are primary factors affecting the success of the above spinning processes. |
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