提出一种基于慢走丝线切割技术的双曲面四极杆加工方法。金属杆整体先固定在陶瓷环上，再进行慢走丝加工，避开单杆加工、人工组装的传统工艺环节。通过测试及上机实验，确认采用慢走丝线切割技术加工的小尺寸金属四极杆，可以满足四极质谱仪性能要求。%Based on the wire cutting technology ,a processing method of hyperboloidal quadrupole rod is proposed. Avoiding the traditional machining of a single rod and manual assembly ,the metal rod is fixed on a ceramic ring and then processed by the wire EDM machine tool. The hyperboloidal quadrupole rod w hich is processed by this method can be used on the quadrupole mass spectrometer properly to pass the test.
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