摘要
介绍了一种大直径螺栓的预紧方法液压拉伸预紧法。分析了液压拉伸预紧的工作原理 ,并给出了螺栓伸长量和预紧力的确定方法。
A pretension method for major diameter bolts using hydraulic stretching equipment is introduced. The principle of the hydraulic pretension is analyzed, the calculation of bolt elongation and pretightening force is also given.
出处
《重型机械》
2001年第5期30-31,38,共3页
Heavy Machinery
关键词
液压拉伸
螺栓
大直径
伸长量
预紧
hydraulic stretching, bolt, pretension, major diameter, elongation
