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。
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.
换向器端轴头装有测速齿盘，换向器轴承盖留有轴承温度传感器安装口。
Frame is a press-formed welded fabrication and hugging bearing or bush structure; Speed gear plate is mounted on shaft end of commutator.
换向器端轴头装有测速齿盘，换向器轴承盖留有轴承温度传感器安装口。
Frame is a press-formed welded fabrication and hugging bearing or bush structure; Speed gear plate is mounted on shaft end of commutator.
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