The influence of variable parameters, such as, die geometry, material capability and operating condition parameters, on pressure profile, velocity profile and uniformity of material in outlet of die were also analyzed and discussed.

• 并分析讨论了当机头的几何要素、胶料物性和工作参数等各种参数改变时对螺杆分配机头内部压力场和速度场的影响以及对机头出料均匀性的影响。