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首页> 外文期刊>SAMPE Journal >Second Generation Aramid Honeycomb Core Sawing Surface Finish Study
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Second Generation Aramid Honeycomb Core Sawing Surface Finish Study

机译：第二代芳纶蜂窝芯锯切表面光洁度研究

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Several new second-generation honeycomb core materials based on DuPont? KEVLAR? brand papers have been developed and commercialized. These new honeycomb materials have excellent strength and sliffness-to-weight ratios, which makes them ideal for weight critical applications. Some weight-critical applications have found it is essential to have a smooth surface (low fuzz level) on all machined surfaces to enhance secondary coating operations or face sheet-to-honeycomb bonds when using ultra low weight film adhesives. Sawing and slicing are the most challenging machining operations to consistently achieve low-cut surface fuzz levels, especially for KEVLAR? fiber based honeycomb materials (e.g. KEVLAR N636). Through this study a ranking system has been established for quantifying honeycomb core cut surface fuzz levels. In addition, specific saw blades and operating conditions have been identified that help significantly reduce the honeycomb core's fuzz level.
机译：基于杜邦的几种新型第二代蜂窝芯材料？凯芙拉？品牌纸已经开发并商业化。这些新型蜂窝材料具有出色的强度和斜率/重量比，这使其成为对重量要求苛刻的应用的理想选择。一些对重量要求严格的应用已经发现，在使用超低重量薄膜胶粘剂时，必须在所有机加工表面上具有光滑的表面（低起毛水平），以增强第二道涂层操作或面板与蜂窝之间的粘结。锯切和切片是要始终达到低切表面绒毛水平的最具挑战性的加工操作，尤其是对于KEVLAR？纤维基蜂窝材料（例如KEVLAR N636）。通过这项研究，已经建立了用于量化蜂窝芯切割表面绒毛水平的分级系统。此外，已经确定了特定的锯片和操作条件，可帮助显着降低蜂窝状芯的起毛水平。

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