The screw and machine barrel with optimization design and elaboration have excellent plasticizing effect.
优化设计和精心制作的螺杆、机筒有极好的塑化效果。
2
As the key component of extruder, the structure of screw rod has a great effect on the characters of puffed materials.
作为挤压膨化机关键部件的螺杆，其结构对膨化物料的性状有着十分重要的影响。
3
Based on the screw theory, the first-order effect coefficient matrixes of a 3-upu parallel pyramid mechanism under initial position and movement along X-coordinate axis are established.