The machine equips with big-digmeter screw.That is made by the special hardening process,which posses not only good corrosion resistance and abrasion resistance but also high layout,lower coast of power,and better plastify.

• 带有屏蔽混练段的大直径螺杆，经特殊硬化处理不仅有良好的耐腐蚀性和耐磨性，而且具有高产出、低能耗，塑化好等优点。