The hose extrusion molding process of the PVC pipe extrusion line is divided into three stages:
1. Raw material plasticization, the solid plastic raw material itself, after heating and mixing in the PVC pipe extrusion production line, becomes a uniform viscous fluid, which is ready for the subsequent plasticity.
2. Under the action of certain pressure and speed of the extrusion parts of the PVC pipe extrusion production line, the viscous liquid successfully passes through the molding head to form the required cross-sectional shape.
3. Finally, after sizing and cooling, the extruded shape is fixed to form a stable solid state. After cooling and shaping, we can get the PVC hose we want through the PVC pipe extrusion production line.
The above three stages are the basic process of PVC pipe extrusion line to produce PVC hose. The process is mainly completed through the cooperation of the main machine, namely the extruder, and the auxiliary machines including the machine head, shaping device, cooling device, traction device, cutting device and stacking rack.
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