Extrusion & Post
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efficiency decline Occurring in the winding Stage of Cast polypropylene film
Problem Phenomenon
efficiency decline occurs in the film during the winding stage, affecting production stability and product quality.
Cast polypropylene film is sensitive to the process parameters of this stage.
Cause Analysis
(1) The process parameters of the winding stage are set improperly
(2) The equipment condition or precision is insufficient
(3) Raw material characteristics (cast extrusion, chill roll control, high transparency, good heat sealability) cause processing difficulties
(4) The environmental conditions (temperature and humidity) are unsuitable
(5) Improper operation or inadequate monitoring
Solution
(1) Optimize the process parameters of the winding stage, and control the temperature within the range of 230-270°C
(2) Check and maintain the equipment to ensure operating precision
(3) Select processing process parameters suitable for cast polypropylene film
(4) Control the temperature and humidity of the production environment
(5) Strengthen operation training and process monitoring
Key Takeaway
The process parameters of each stage of film production need to be precisely controlled; equipment condition and raw material quality are the foundation.
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