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具有特殊功能要求的微电机形状特别小,电枢组件仅长45毫米。在设计时要求主轴与力矩输出齿轮不能加工成一体,齿轮和轴不能发生氧化、变形,并保证齿轮与轴同轴度;在连接时,要求轴承内加入的润滑油不能受热溢出,在连接处强度要求承受扭矩不小于12公斤力·厘米。这种特殊结构给加工带来很大困难。我们曾先后采用几种焊接方法都未获得满意结果。最后,在
Micro-motors with special functional requirements are particularly small in shape and the armature assembly is only 45 mm long. The design requirements of the spindle and torque output gear can not be processed into one, the gear and shaft can not be oxidized, deformation, and to ensure that the gear and shaft coaxiality; connection, the required lubricant added to the bearing can not be heated overflow, at the junction Intensity required to withstand torque not less than 12 kg · cm. This special structure to the processing of great difficulties. We have used several welding methods have not been satisfactory results. Finally, at