Abstract: This article studied the relationship between the speed and pressure of the screw and the preformed and protruded quantity.

• 摘 要: 通过对螺杆转速、螺杆压力与预塑量、吐出物量影响关系的研究，论述了在一种新型定量吐塑机构（中国专利）上通过对运转中的螺杆施加适当压力的措施，实现系统内稳压，从而获得精确、稳定的吐塑计量。