The screw structure of blowing bottle has ordinary type and high yield type, the ratio of length to diameter is 25:1, 28:1, 30:1, 32:1. The screw compression ratio is combined with the compression ratio of the billet head, so as to meet the controllability of the material temperature in the extrusion process, the controllability of the material plasticization degree, and the stability of the discharge end flow. Reasonable cutting and dispersing components make the additives and materials kneading and more uniform, different length-diameter ratio structure is different. Such as the separation type screw: after several experiments in a reasonable position to lead out the secondary edge, can solve in the feeding, compression, screw drying process of the gas impurities. In order to adapt to the high yield screw and powder feed, the feed section of the barrel is provided with slotted bushing and strong cold water circulation, thus increasing the friction force and improving the pumping capacity of the screw.
Screw structure is suitable for
PE, PP, ABS, PET, PETG, PA, etc
Applicable to the following models
Shaped parts blow molding machine: chair back, base, tray, car water tank, toolbox, etc
