Production & Quality
5 조회수
Random copolymer polypropylene extruder cooling system efficiency decline
문제 현상
The product is insufficiently cooled, and the temperature is still high after leaving the cooling water tank, affecting the sizing effect and subsequent cutting.
The decline in cooling efficiency causes production speed to decrease or the product to deform.
원인 분석
（1）Cooling water flow insufficient or water pressure low\
（2）Cooling water temperature too high\
（3）Cooling water channels scaled and clogged\
（4）Cooling water tank length insufficient\
（5）Product wall thickness large, heat dissipation slow
해결 방법
（1）Check the cooling water pump and pipes, ensure sufficient flow and water pressure\
（2）Add a cooling water chilling device (water chiller), control water temperature at 15-25°C\
（3）Regularly clean the cooling water channels and cooling water tank, remove scale\
（4）Increase the cooling water tank length or add cooling stations\
（5）For thick-wall products, appropriately reduce extrusion speed and extend cooling time
핵심 요약
The decline in cooling efficiency is caused by insufficient water volume or excessive water temperature, requiring improvement of the cooling system and control of water temperature.
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