Extrusion & Post
7 مشاهدة
Core Deformation Occurring in Winding/Slitting of Cast Polypropylene Film
ظاهرة المشكلة
Core deformation occurs during the winding or slitting of the film, affecting product appearance and use performance.
The winding and slitting quality of cast polypropylene film directly affects the final product quality.
تحليل الأسباب
(1) The winding tension is set improperly or is unstable
(2) The slitting knife is in poor condition or is adjusted improperly
(3) The film itself has internal stress or uneven thickness
(4) The winding/slitting speed does not match the production line speed
(5) The operating environment or equipment conditions are not ideal
الحل
(1) Optimize the winding tension and adopt an automatic tension control system
(2) Check and replace the slitting knife, and adjust the knife clearance
(3) Improve the film production process to reduce internal stress and thickness deviation
(4) Match the winding/slitting speed with the production line speed
(5) Improve the operating environment and maintain the equipment regularly
الخلاصة الأساسية
The winding and slitting quality of the film is jointly determined by tension control, knife condition, and the quality of the film itself.
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