P0914XS
P0914XS
P0914XS
无轴和有轴的根本区别是版辊的传动方式不同，无轴的各色组版辊的传动是各自独立的，由单独的电机驱动，这样从机械上来说，减少了机械主轴，各单元版辊获得独立，从控制上来说各单元的同步问题有待解决，而且是整个机器印刷品质的前提和基础。
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无轴印刷的图案套准控制也有别于有轴印刷，无轴印刷的图案套准控制是在各轴同步的基础上，通过控制版辊的相位来实现的。
所以，无轴凹版印刷是集版辊传动和套准控制于一体的印刷方式，版辊的独立，使得版辊的控制更加复杂，也更加灵活，相应地，印刷的灵活性、可操作性，以及凹版印刷机的自动化水平得到了提高，从而，适应了当今印刷行业复杂工艺生产的要求，提高了印刷品质，节约了生产成本，适应了印刷行业市场的发展，实现了安全生产和环保生产。
正是无轴凹版印刷控制的复杂性、灵活性，要求高品质和新技术的应用，如工业以太网POWERLINK，可编程计算机控制器PCC，全数字伺服驱动器ACOPOS的应用。
基于POWERLINK在整个方案中起着网络通讯的作用，是数据的传输通道，所以，POWERLINK是整个方案的基础，是数据的桥梁，是系统安全可靠的保证，可见其在整个方案中的份量，本文主要讲解POWERLINK技术，以及无轴凹版印刷的成功应用。
一．关于POWERLINK技术：
在本方案中各驱动器（ACOPOS系统）之间，以及各驱动与中央处理器PCC之间的关系，是通过总线的方式建立起来的，这个总线就是POWERLINK。POWERLINK是建立在以太网硬件基础之上的，不依赖于特定硬件的，完全基于软件协议的实现高实时要求的安全的工业以太网技术。
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