单位长度定尺钢轨 unit length rail
Firstly this article summarized the operating principle, the request of working and character of working, character of loading; predigested the structure; gave brief illuminate on the technology criterion and the redress about assured length.
本文以承德钢铁公司第一棒线厂棒材生产线上引进的450T双偏心摆式飞剪机为研究对象,概述了飞剪机的工作原理、工作要求,以及其工作特征、载荷特征并对机构进行了简化,同时对飞剪机的技术规范以及定尺长度的调整进行了说明。
参考来源 - 承钢450T摆式飞剪动力学分析与测试研究·2,447,543篇论文数据，部分数据来源于NoteExpress
该设备的定尺控制是齿轮变速箱分配不同的转数到飞剪和矫直机，获得不同的定尺长度。
Gauging control of the equipment is that the gear speed changing box distributes different number of revolution to the flying shear and leveller, ensuring different cut-lengths.
着重介绍了使用旋转编码器与PLC相结合来提高定尺长度精度的方法。给出了PLC控制系统的硬件接线图及程序设计。
Meanwhile, in combination of the rotary coder and PLC is emphatically introduced, the hardware wiring diagram and the program design of the system are also given.
重点拟定和分析了切头和定尺剪切的长度给定环节、速度给定环节、位置控制和切换环节。
The length-given link, velocity-given link, position control and change-over link of cutting head and fixed length cutting have been emphatically analyzed and worked out.
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