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早在1905年,法国工程师Creux就提出了涡旋压缩机的工作原理。这项发明虽十分引人注目,但面世七十年之久还未能转化为实用的产品,其主要原因就是无法加工出高精度的涡旋盘。随着制造工艺、加工设备以及数控技术的迅速发展,到70年代已有可能加工出合格的涡旋盘,于是美国ADL公司又把开发涡旋机械产品重新提上日程。80年代以来,我国也对涡旋盘的加工与曲线啮合方法进行了大量的研究和尝试,大多数方法都是利用直角坐标进行曲线啮合生成数控指令来加工涡旋体,对加工误差的检测和分析提及甚少,为此本文分别利用直角坐标和展成法加工运动涡旋盘,对加工误差进行了检测和分析对比,可供实际生产时参考。
As early as 1905, the French engineer Creux proposed the working principle of the scroll compressor. Although this invention is very noticeable, it has not been translated into a practical product for seventy years. The main reason for this is the inability to process highly accurate scrolls. With the rapid development of manufacturing technology, processing equipment and numerical control technology, it was possible to process qualified scroll discs in the 1970s, so the American company ADL again put the development of the scroll machine products on the agenda again. Since the 1980s, a great deal of researches and attempts have been made on the machining and curve engagement of the scroll in our country. Most of the methods are based on the use of Cartesian coordinates to generate the NC commands to process the scroll. The detection of machining errors and The analysis is rarely mentioned. For this reason, the paper uses the Cartesian coordinates and the forming method to process the moving scrolls respectively. The machining errors are detected and analyzed and compared, which can be used for reference in actual production.