蒸汽锤

介绍蒸汽锤用PTFE活塞环的配方设计、生产工艺流程、性能和应用。讨论了影响活塞环磨损量的诸因素，活塞环耐磨，密封机理和活塞环的加工尺寸。

This paper introduces the formulation , technological process , product properties and application of PTFE piston ring for steam hammer , and discusses the factors effecting the wear of the piston ring , wear-resistant and sealing principle and the processing size of piston ring .

车间里的蒸汽锤坏了，导致工程进度放慢。

Production has slowed because the steam hammer is broken .

炮弹投掷和蒸汽锤击不再共享冷却时间。

The Hurl Boulder and Ram effects no longer share a cooldown .

其中最奇妙的是内史密斯的蒸汽锤。

The most wonderful piece of machinery on show was Nasmyth 's steam hammer .

内史密斯的蒸汽锤。

Was Nasmyth 's steam hammer .

总结了几年的实践，介绍了蒸汽锤改造成电液锤后，动力能源消耗仅为原来的1%，生产效率提高了一倍，安全性、可靠性、产品质量均有了可靠保证，且维修方便。

Practices in several years have been summed . After steam hammer being converted into electro-hydraulic hammer , energy consumption of power was only 1 % of the original with tow times of productivity and reliable guarantee of safety , reliability and product quality and easy maintenance .

选择了5T蒸汽-空气锤上开式模锻。

The open die drop forging with the 5 T steam - air hammer is selected .

蒸汽-空气锤所用介质作功能力比较

Apply work ability comparison of mediums used for steam-air hammer

蒸汽-空气锤可采用蒸汽或压缩空气作为工作介质。但介质性质、作功能力以及作功效率是不同的，从能量利用效益出发，采用压缩空气较好。

Steam or compressed air can be used as working medium for steam-air hammer , but the features of medium , apply work ability and apply work efficiency are different . Of them compressed air can make better use of energy .

蒸汽&空气两用锤结冰问题的解决方法

Solution to problem of freezing in steam-air ham-mer