在采用连续挤压包覆技术生产铜包钢接触线时，钢丝的预热温度对产品的质量有重要的影响。
The temperature of steel wire affects the quality of the copper clad steel contact wire when it is produced with new craft of continuous extrusion.
本文探讨了挤压轮所受的坯料变形阻力矩及摩擦阻力矩的计算方法，从而推导出连续挤压包覆机传动功率的计算公式。
According to the working principal of the vacuum fixed type vacuum belt filter, we draw out calculating formula of the drive power and the tension of the urbber belt.
本文探讨了挤压轮所受的坯料变形阻力矩及摩擦阻力矩的计算方法，从而推导出连续挤压包覆机传动功率的计算公式。
According to the working principal of the vacuum fixed type vacuum belt filter, we draw out calculating formula of the drive power and the tension of the urbber belt.
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