What is included for PVC pipe extrusion mold?

What is included for PVC pipe extrusion mold?

PVC pipe extrusion dies usually include the following main components:

1. Mouth die: It is the key part that determines the outer diameter and shape of the pipe.
2. Core die: It cooperates with the mouth die to form the inner hole of the pipe.
3. Diverter: It evenly distributes the plastic melt to each flow channel.
4. Forming sleeve: It cools and shapes the pipe extruded from the mouth die to obtain accurate size and shape.
5. Adjusting screw: It is used to adjust the gap between the mouth die and the core die to control the wall thickness of the pipe.
6. Heating circles: It keeps the mold at an appropriate temperature to ensure good fluidity of the plastic melt.
7. Connecting flange: It is used to connect and fix the mold to the extruder.

For example, when producing PVC pipes of different specifications, it is necessary to accurately adjust the relative position of the mouth die and the core die through adjusting screws, so as to change the wall thickness of the pipe to meet the requirements. The design of the shaping sleeve will also be specially customized according to the size and shape of the pipe to achieve a good shaping effect.

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