我厂情报室在测绘意大利吊车上所使用的电机时,发现有四台在集电环表面上加工出螺旋槽,这是我们第一次发现集电环表面加工新技术,经过调查研究,初步理解了这种加工的作用并开拓了我们的思路。港用意大利吊车电机是法国 Unelec 公司生产的 FBL 系列电机,中心高从 H200～H355集电环表面上都有螺旋槽。我们仅测 I plant intelligence room in the mapping of the Italian crane used in the motor, found in the collector ring surface of the spiral groove, which is the first time we found the collector ring surface processing technology, after investigation, preliminary Understand the role of this processing and open up our ideas. Hong Kong Italian cable car motor is the French company Unelec FBL series motor, the center from the H200 ~ H355 slip ring has a spiral groove on the surface. We only test