正切切线正切的切线的 tangent
采用锯机连同带锯条一起以带锯条工作边锯齿齿尖连线为中心作回转摆动的方法，实现带锯条始终沿着锯切曲线的切线方向进行锯切。
By the method of sawing and saw blade swing taking the line of saw-teeth of saw blade's working side for centre, saw blade always works toward the tangent of sawing curve.
高速飞剪的定长切头控制是热板坯剪切线中需要解决的课题之一，本文着重介绍了定长切头的意义、控制思想及控制方案，并对部分参数进行模拟计算。
The control of fixed length cutter for high speed flying shear with double rollers is one of the problems which is needed to solve in the processing line for cutting hot plate blank.
简述中厚板剪切机的基本类型和特点，对滚切剪的剪切原理和特点进行阐述，分析了国内中厚板厂剪切线滚切剪的应用。
The cut principle and feature of the rolling cut trimming shear were set forth, and the application of rolling cut placed on cutting line for the heavy plate mill at home were analyzed.
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