Based on an example of quickly repairing a hydraumatic drawframe at low cost, this paper shows the method of module replacement is feasible when some out-of-date but costly facilities break down.

• 介绍一种廉价、快速修复一台340吨液压拉伸机实例,说明在检修某些陈旧、贵重设备时可以尝试局部模块替换方法。