Rotary vane vacuum pump is the most vacuum equipment used in vacuum trade.
旋片式真空泵是真空行业中使用最多的真空获得设备。
As there were leak on contact place between shaft and rotor body in built up hollow rotor, dropping discharg gas speed of pump and efficiency applied of oil sealed sliding vane rotary vacuum pump.
组合式空心转子由于轴头与转子体之间的结合面存在着渗漏，使泵的抽气效率性能下降，从而影响其在应用中的效率。
In this paper, the problems met in designing, producing and use of the rotary-vane vacuum pump are discussed. The solution methods and the research direction are given.
本文论述了旋片真空在设计、生产和使用中存在的问题，提出了解决的方法和研究方向。
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