水压机本体在经过几年使用之后,往往需要进行大修理,其中最主要的项目是更换工作缸、提升缸、平衡缸、移动缸的导向铜套,立柱导套以及修磨相应的柱塞。以前水压机本体的大修理,大都采用先拆上横梁,解体主、侧缸,再拆活动横梁,然后放倒四根大立柱的方法。采用这种方法,需要耗费巨大的人力和物力及较长的修理工期。尤其对于大中型水压机,困难更大。一般大中型 After several years of use, the hydraulic press body often requires major repairs. The most important items are the replacement of the working cylinder, lifting cylinder, balancing cylinder, guiding copper sleeve for moving cylinder, column guide sleeve and corresponding plunger. In the past, the overhaul of the hydraulic press body mostly adopted the method of dismantling the main beam, dismantling the main cylinder and the side cylinder, then disassembling the moving beam, and then pouring four large columns. In this way, it takes a great deal of manpower and material resources and a long repair time. Especially for large and medium-sized hydraulic press, more difficult. Generally large and medium-sized