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薄膜嵌件成型中油墨洗脱预测的创新模拟方法.pdf

上传人: 颜** 编号:1245869 2026-05-23 29页 2.38MB

1、Innovative Simulation Method for Ink Washout Prediction in Film Insert MoldingMoldflow Summit 2026Dr.-Ing.Sarah FrauholzApril 2026CovestroInnovativeand sustainable1,300 employeesin research and development80 years of ideasand inventionsPioneer of thecircular economyGame-changingand beneficialPolymer

2、 materialsof superior qualityAcross numerousindustry sectorsFor global challengesStrongand global12.9 bn in sales17,600 employees46 production sitesGlobal plastics manufacturer Innovative Simulation Method for Ink Washout Prediction in Film Insert Molding2Financial year 2025Employees calculated as f

3、ull-time equivalent(FTE)April 2026Our productsComponents for PolyurethanesPolycarbonateSolutions for various key industriesConstructionAutomotive and transportationWood andfurnitureElectrical and electronicsSports andleisureHealthEverywhere in modern lifeEnergyNutrition Innovative Simulation Method

4、for Ink Washout Prediction in Film Insert Molding3April 2026Design servicesDesign for sustainabilityImagio CQ:visualization of product designsCQ Circular Intelligent Solutions R Series:partly mechanically recycled(PCR,PIR)RE Series:Drop-in solutions partly with certified renewable attributed materia

5、l share*RP Series:Drop-in solutionspartly with certified recycled attributed material share*Your go-to partner on sustainability solutionsApril 2026 Innovative Simulation Method for Ink Washout Prediction in Film Insert Molding4A sustainable product portfolio with innovative services and solutions E

6、nabling circular business modelsClosed/open loop recyclingMaterial tracing*Biocircular attributed via mass balance according to ISCC PLUS*Chemically recycled post-consumer attributed via mass balance according to ISCC PLUSApril 2026 Innovative Simulation Method for Ink Washout Prediction in Film Ins

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1. **技术背景**:Covestro开发了一种创新的物理模拟方法,用于预测薄膜嵌入成型(FIM)中的油墨冲刷缺陷,解决传统方法依赖经验、参数交互复杂的问题。 2. **核心模型**:基于界面温度(>Makrofol®无流动温度)和剪切应力(>0 Pa)建立,通过Autodesk Moldflow Solver API计算熔融薄膜厚度及位移,实现冲刷预测。 3. **验证结果**: - 薄膜厚度增加(250μm→375μm)冲刷风险上升; - 局部点冷却可有效减少浇口处冲刷; - 浇口设计(标准/压缩)和射胶量(16g→35g)显著影响冲刷模式; - 不同颜色油墨(黑/白/银)冲刷程度差异显著。 4. **应用价值**:该方法可扩展至其他双色成型技术,减少试模需求,强化虚拟开发流程。
**FIM技术优势?** **如何预防洗出缺陷?** **仿真如何提升效率?**
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