拖拉机螺栓紧固力矩不达标的危害张梦华在拖拉机厂成品库进行整机检测工作中发现，约９０％拖拉机产品重要部位螺栓紧固力矩不符合产品出厂验收技术条件的规定。这些螺栓由于拧的过紧或过松，甚至未紧固，造成了一种潜在危险。拖拉机是一种在恶劣地形中行驶作业的机器，颠... Tractor bolt tightening torque non-compliance hazards Zhang Meng-hua tractor factory finished product warehouse for machine testing found that about 90% of the important parts of the tractor bolt tightening torque does not meet the technical requirements of the factory acceptance. These bolts pose a potential danger because they are too tight or too loose or even tightened. Tractor is a kind of operation in the harsh terrain of the machine, Britain ...