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Extrusion & Post 8 visualizações

Glass fiber/fabric wrinkles

Fenómeno do problema
Reinforcement fabric shows wrinkles within the laminate. This problem is relatively common in lamination molding production and requires comprehensive analysis and solution from multiple aspects of materials, processes, and equipment.
Análise das causas
(1) Process factor: fibers not flattened during layup; this factor affects the '2079851475616104453 and final quality of the product. (2) Material state aspect: resin viscosity too high dragging the fabric to produce wrinkles; abnormal viscosity affects the flow filling and impregnation ability of the material. (3) Process factor: resin flow during hot pressing causing fiber slippage and folding; this factor affects the '2079851475616104453 and final quality of the product.
Solução
(1) Implementation measures: use roll pressing to flatten during layup; formulate specific operation plans based on actual production conditions and verify implementation effects. (2) Formulation adjustment: reduce resin viscosity to allow fibers to stretch freely, adjust gradually and verify the effect, ensuring that other performance indicators of the product are not affected. (3) Process control: control pressing speed to prevent fiber slippage., establish an online monitoring mechanism, set parameter upper and lower limits and implement alarm management. (4) Preventive measures: establish a sound process control standard and quality inspection system, and regularly review process data for continuous optimization.
Conclusão principal
This problem requires comprehensive analysis from multiple dimensions of materials, processes, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.
fiber viscosity layup hot pressing

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