文章通过几个塑料斜齿轮注射模型腔的超塑性加工过程,比较系统地介绍了用超塑性成形工艺加工塑料注射模型腔所用的超塑合金牌号、性能、模具结构、成形工艺参数以及型腔所能达到的尺寸精度、表面光洁度和使用寿命,最后通过经济效益的分析比较,说明了这是一项值得推广的快速、经济的制模新技术。 In this paper, the superplasticity of injection molding cavities in several plastic bevel gears is systematically introduced. The superplastic alloy grades, performance, mold structure, forming process parameters and cavity Can reach the dimensional accuracy, surface finish and service life, and finally through the economic analysis and comparison shows that this is a worthy of promotion of fast, economical molding new technology.