一、前言大多数的建筑机械产品中金属结构件所占比重很大,因此在国外一般建筑机械厂的二个最主要车间就是金属结构车间和装配车间。而这些厂所需的锻件、液压件、基础部件则由专业化的生产厂协作提供。我国目前的建筑机械厂基本上是全能厂,但是金属结构车间仍然是一个很重要的车间。以后 I. INTRODUCTION Most of the metal structures in construction machinery products account for a large proportion, so the two most common workshops in foreign general construction machinery plants are metal structure workshops and assembly workshops. The forgings, hydraulic components, and basic components required by these plants are provided by a specialized manufacturer. China’s current construction machinery factory is basically an all-round factory, but the metal structure workshop is still a very important workshop. after