开发了一种压力机齿轮的快速精密铸造技术,在该铸造工艺中采用了快速成型技术、硅溶胶翻模技术及分块陶瓷型壳。从得到的铸件可以看出,利用该工艺铸造的带齿的压力机齿轮铸件的尺寸精度和表面光洁度都很高,可提高齿轮铸件的生产效率,减少加工余量和加工工时。 A rapid precision casting technology for press gears has been developed using rapid prototyping techniques, silica sol turnover technology, and split ceramic shells. From the obtained castings, it can be seen that the castings with toothed presses cast by the process have high dimensional accuracy and surface finish, which can improve the production efficiency of gear castings, reduce the machining allowance and reduce the machining man-hour.