This paper has elaborates the structure principles and performance parameter of the newly developed plunger extruder type ZZY/450T,and the manufacturing technology of its main components.

• 本文阐述了新研制ZZY/450T型注塞式挤压机的结构原理、性能参数和机床主要部件制造工艺,分析了挤压速度稳定性调节机理,得出了稳定挤压速度是研制挤压机床关键点的结论。