Extrusion & Post
7 조회수
Corrugated patterns appear on XPS extruded board
문제 현상
Transverse periodic corrugated ripples appear on the surface of extruded polystyrene insulation board.
This problem is relatively common in foam molding production and requires comprehensive analysis and solution from multiple aspects of material, process, and equipment.
원인 분석
(1) Process speed aspect: The sizing device is not synchronized with the extrusion speed, producing periodic resistance fluctuations, Speed parameters affect the synchronization between material flow state and reaction progress.
(2) Material aspect: Fluctuations in raw material performance indicators or insufficient pretreatment affect molding quality.
(3) Process aspect: Control deviation of key process parameters causes the '2079851475616104453 to deviate from optimal conditions.
(4) Equipment aspect: Equipment precision and maintenance status affect the stable execution of process parameters.
해결 방법
(1) Implementation measure: Stabilize the extrusion speed, Develop a specific operation plan based on actual production conditions, and verify the implementation effect.
(2) Implementation measure: Adjust the pulling speed of the sizing device, Develop a specific operation plan based on actual production conditions, and verify the implementation effect.
(3) Equipment maintenance: Check the surface finish of the sizing mold., Develop regular inspection and maintenance plans to ensure the equipment is in optimal working condition.
(4) Preventive measure: Establish sound process control standards and a quality inspection system, and regularly review process data for continuous optimization.
핵심 요약
This problem requires comprehensive analysis from multiple dimensions of material, process, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.
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