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Hongxing Plastic Mould · More than 20 years of expertise in Mould manufacturing

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Add: 21-2#, Xinggang Road, Huangshigang Industrial Zone, Huangshi City, Hubei Province

Tel: 0086-13597667790

Contact: Kate Yan

E-mail: kate@hongxingmold.com

Website: www.korediziizlehd.com

 

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Hongxing mold What is Plastic Extrusion




Hongxingmold offers a state of the art tool room, complete with 5 axis wire EDM and CNC machining centers. All tooling is designed, engineered and tested under the watchful eyes of our experienced technical team. Using the latest technologies, they will work closely with you to design the plastic extrusion tooling that will meet the exacting needs of our customer while improving productivity, safety, efficiency and reducing costs.

Plastic extrusion is a manufacturing process through which plastic is melted, shaped into a continuous profile, and cut to length. This process is used in the production of a wide variety of items, including piping, wire insulation, and plastic sheeting. Even adhesive tape and window frames include extrusion as part of their manufacturing processes.

In this process, raw plastic is fed into a heated extruder cavity or cylinder. Typically, the raw plastic is in bead form and may be mixed with colorants before the extrusion process begins, and in some methods, ultraviolet (UV) inhibitors may be added to the raw plastic beads as well. Once inside the machine, the plastic beads and any accompanying material move through an opening in the extruder cavity towards a screw mechanism. The screw rotates, forcing the plastic material to advance through the cavity.

Inside the cavity, the temperature is very high, often reaching about 400°F (200°C), which melts the plastic. Many exturders involve the use of three different heaters set to gradually increase heat inside the cavity. This reduces the potential for overheating.

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