...统 关键词：TMS320F2812；DSP；大电机；线圈；信号处理；无损检测 [gap=989]Key words：TMS320F2812；DSP；large scale motor；pole coil；signal processing；NDT(non destructive testing) ..
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Die structural design of large-scale motor stator sector piece, difficulties and solving steps in design and manufacture of parts and components are introduced respectively.
介绍了大型电机定子扇形片模具结构的设计，及零部件设计加工难点和解决办法。
The tooth shape deviation in the worn traction gear will increase the vibration of traction gear and traction motor, increase the noise and increase by large scale the dedendum stress.
牵引齿轮磨损产生的齿形偏差使得牵引构轮和牵引电机振动加剧，噪声增大，齿根应力大幅度增大。
The Improved M/T method with 80C552 and a photo- electricity coder to measure electro-motor' s rotation speed can achieve a large scale of rotation speed measuring precision.
用80C552单片机和光电码盘配合改进的M/T法，检测铸轧辊的执行电机转速可获得大范围内测速精度。
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