一、引言近年来在锻造生产中,无砧座锻锤得到日益广泛的使用,因而也就带来一系列的设计制造和使用上的问题,有待我们去解决。在设计钢带传动的无砧座锻锤时,关于钢带的强度计算,是设计者经常提出来而又没有得到完善解决的一个问题,目前国内自制的一些无砧座锻锤,在使用过程中发现钢带的寿命是不够理想的,在61年6月长春汽车厂对25000公斤·公尺的无砧座锻锤进行复审时,钢带的受力分析也是讨论的重要问题之 I. INTRODUCTION In the forging production in recent years, anvil-free forging hammer has been widely used, therefore, it also brings a series of problems in design, manufacture and use that need to be solved by us. In the design of belt-driven anvil-free forging hammer, the strength of the calculation of the steel is often raised by designers but not a perfect solution to a problem, the current domestic self-made anvil-free forging hammer, the use of the process Found in the life of the strip is not ideal enough, in June 61, Changchun Automobile Factory on 25,000 kg · m anvil-free anvil forging review, the strip force analysis is also an important issue to be discussed