| 带冠整体式涡轮盘的CAD/CAM |
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| 引用本文： | 赵万生,吴湘,詹涵菁,田继安,陈济轮,孟凡新.带冠整体式涡轮盘的CAD/CAM[J].推进技术,2003,24(4):380-383. |
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| 作者姓名： | 赵万生 吴湘 詹涵菁 田继安 陈济轮 孟凡新 |
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| 作者单位： | 1. 哈尔滨工业大学,机电学院,黑龙江,哈尔滨,150001
2. 首都航天机械公司,北京,100076 |
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| 摘 要： | 大推力液体火箭发动机逐渐采用带冠整体涡轮叶盘替代不带冠叶盘，以提高推重比、可靠性。为了解决带冠整体涡轮盘加工存在的技术难点，开发了叶盘加工专用CAD／CAM软件模块——TBCam，并以此作为辅助工具，对某液氢液氧发动机氧泵转子一级叶盘进行了加工实验。实验证明，TBCam解决了叶盘电火花加工中电极设计、电极加工和叶盘加工轨迹搜索等技术疑难，显著缩短了加工准备时间，实现了高精度加工。
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| 关 键 词： | 液体推进剂火箭发动机 涡轮泵 带冠涡轮 电火花加工 样条函数 计算机辅助设计 |
| 文章编号： | 1001-4055(2003)04-0380-04 |
| 修稿时间： | 2002年8月8日 |
CAD/CAM of rimed blisks |
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| ZHAO Wan-sheng,WU Xiang,ZHAN Han-jing,TIAN Ji-an,CHEN Ji-lun and MENG Fan-xin.CAD/CAM of rimed blisks[J].Journal of Propulsion Technology,2003,24(4):380-383. |
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| Authors: | ZHAO Wan-sheng WU Xiang ZHAN Han-jing TIAN Ji-an CHEN Ji-lun and MENG Fan-xin |
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| Institution: | ZHAO Wan-sheng~1,WU Xiang~1,ZHAN Han-jing~1,TIAN Ji-an~2,CHEN Ji-lun~2,MENG Fan-xin~2 |
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| Abstract: | In order to improve thrust-weight ratio and reliability, rimed turbine blisks tend to replace blisks without rim in large thrust liquid rocket engine. To manufacture rimed blisks, a specific CAD/CAM module--TBCam was developed. An experiment on a rimed turbine blisks of a liquid rocket engine was conducted. It proved that TBCam can be helpful in design and manufacturing electrode, searching trace of manufacturing blisks, and it reduces readiness time remarkably, and realizes high-precision processing. |
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| Keywords: | Liquid propellant rocket engine Turbine pump Shrouded turbine Spark machining Spline function Computer aided design |
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