本文介绍了用陶瓷型精铸工艺制造1320×420机座铝型板的操作要点,并对用该法制作大尺寸单面型板所存在的工艺难点,诸如怎样方便、正确地找到上下型板定位孔位置,如何减少或消除由于制造过程中型板的变形和收缩所引起的误差等问题,提出了较为满意的解决办法。 This article introduces the operation points of making 1320 × 420 base aluminum plate with ceramic casting process, and find out the difficulties in the process of making large-size single-sided plate by this method, such as how to find the upper and lower plate correctly How to reduce or eliminate the problems caused by the deformation and shrinkage of the plate in the manufacturing process and put forward a more satisfactory solution.