当M7120型平面磨床的液压机构发生故障后,往往因缺乏修理经验,不易找到毛病而延长检修时间,影响生产。现在根据我们在实践修理中所掌握的点滴经验,谈谈这种磨床常见的液压故障和修理方法。一、工作台爬行 When the M7120-type surface grinder hydraulic mechanism fails, often due to lack of repair experience, not easy to find problems and extend the maintenance time, affecting production. Now based on our experience in the practice of repair bits of experience to talk about this type of grinder common hydraulic fault and repair methods. First, the workbench crawling