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Zhangjiagang City Xinlai Machinery Co., Ltd.

Plastic Machinery, Plastic Extruder, Plastic Pipe Making Line manufacturer / supplier in China, offering Plastic Mixing Unit PVC Compounding Machine with Hot Cold Mix, High Capacity Rigid PVC Compounding Machine, 200-600kg Rigid PVC Compounding Granulating Machine and so on.

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Supplier Homepage Company Show Technical Forum 12 major quality issues and solutions for PE pipe extrusion line

Technical Forum

12 major quality issues and solutions for PE pipe extrusion line [Aug 27,2013]
12 major quality issues and solutions for PE pipe extrusion line

Root cause: 1. Insufficient cooling
Solution Increase inlet water flow for calibrating sleeve, or prolong the distance between bush and calibrating sleeve.

Root cause: 2. Sealing ring size is inappropriate, and forms vibration. 
Solution Confirm the size of sealing ring the vacuum tank. If small, replace it. Otherwise, slightly reduce the vacuum degree of the first section in the vacuum chamber, then increase the vacuum degree of the second section in th vacuum chamber.