SME element is a mixing element in which a number of reverse shallow reflux slots are opened on the conventional forward conveying element. Usually used together with resistance elements, the material is conveying through a shallow groove on the edge to form a return flow of melt, improving the distribution ability.
Selection principle: Usually used in the melting zone.
Ⅰ. Reasons for damage to the extruder screw1. The temperature of raw materials is low when plasticizing.2. The raw material is mixed with metal foreign matter or there are many impurities in the raw ...
The screw of the plastic extruder works under high pressure, high temperature, high mechanical torque and high friction environment for a long time. Generally, the screw has undergone surface nitridin...
Ⅰ. Common causes of unstable working speed of extruder screw1. The driving V-belt is severely worn, causing slipping during work.2. The center distance of the V-belt drive pulley is too small, so tha...