A steel roller bearing a raised design, used for making a die or a printing plate by pressure.
轧模机上有隆起的钢制滚筒，用来压制印模或印板锅炉及压力容器安全。
2
According the laevorotatory helicoid structure characteristic of the stainless steel spiral plate, analyzed the forming process, and introduced forming die structure.
针对不锈钢螺旋板的左旋螺旋面结构特点，分析了成形工艺，并介绍了成形模具结构。
3
Interim plate is an important part of the steel-plastic extruding die, made a special clamp in the lathe turning procedure, guaranteed the precision, and enhanced the work efficiency.