卧式液压机的工作油缸一般处于水平状态。由于活塞杆自重的影响,使活塞杆与导向套配合部位容易磨损。另外由于由活塞杆固定联接的活动推压头的装配误差,使活动 Horizontal hydraulic working cylinder generally in a horizontal state. Due to the weight of the piston rod, so that the piston rod and the guide sleeve with the site easy to wear. In addition, due to the piston rod fixed coupling activities pushing head assembly error, so that activities