摘  要：本文介绍印刷机械设备应用变频器的特点和要求，重点阐述变频器替代传统磁粉制动器和磁粉离合器作为自动张力控制部件。近年来，变频器又扩展到上下游印刷机械设备，在无线胶订联动线、全自动模切烫印机、卷筒纸自动横切机等设备上得到应用。本文推荐一些应用实例，供推广应用时参考。

关键词：变频器；印刷机械；应用实例

Abstract: This paper introduces the applying characteristics and demands of the inverter in printing machinery. The key point expounds how inverter replaces of traditional magnetic powder brake and magnetic powder clutch used as automatic tension control. Recent years, inverter is also extended t