工作台复位误差(俗称“窜扣”)是Y7520W型万能螺纹磨床的常见故障。在新机床试车时也时有发现。关于复位误差的成因及排除方法,在机修手册等有关资料上也未见记载。现结合我站的检修实践作如下介绍。 所谓工作台复位误差是指在。磨削过程中,在工作台反向以后,没有按螺距传动链 Table reset error (commonly known as “channeling buckle”) is Y7520W universal thread grinder common fault. In the new machine test also sometimes found. On the reset error causes and exclusion methods, such as machine repair manuals and other relevant information has not been recorded. Now with my station’s maintenance practices for the following introduction. The so-called table reset error is in. Grinding process, after the workbench in the reverse, did not press the pitch drive chain