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    • 3. 发明授权
    • Tooling having compliant forming surface for forming resin composites
    • 具有用于形成树脂复合材料的柔性成形表面的模具
    • US6024555A
    • 2000-02-15
    • US956331
    • 1997-10-23
    • Harold M. GoodridgeKirk D. Skaggs
    • Harold M. GoodridgeKirk D. Skaggs
    • B29C33/30B29C33/40B29C33/42B29C43/36B29C70/44B29C70/42
    • B29C43/021B29C33/303B29C33/405B29C43/12B29C43/3642B29C70/44B29C2043/3644B29C2043/3657B29C33/42B29K2105/0854B29L2031/003Y10S425/044
    • A tooling concept uses a compliant forming surface for forming composite parts. The tooling concept utilizes a rigid support substructure that has a thin compliant forming surface. In the preferred embodiment of the invention, the tooling concept is used to form a composite sine wave spar. A preferred embodiment of the tooling concept includes upper and lower tool inserts and side tool inserts. The upper tool insert has a compliant forming surface that is located in between a rigid support substructure and the composite material used to form the composite part. Composite prepreg is laid up over a sine wave contour on the upper and lower tool inserts to form upper and lower U-shaped composite workpieces. The upper and lower tool inserts and workpieces are then brought together to form a sine wave I-beam. Radius fillers are then applied to the intersections between the upper and lower composite workpieces and cap strips are placed over the flanges of the joined composite workpieces. Side tools and end tools are then placed around the joined upper and lower tool inserts. The resulting assembly is covered with a breather cloth, baked in a vacuum bag and cured in an autoclave. During curing, the autoclave applies a hydrostatic pressure on the upper tool insert and thus compliant forming surface. The compliant forming surface in turn applies a consolidation and forming pressure to the composite workpiece within the tools. During curing, the compliant forming surface deforms slightly to account for thickness variations in the composite workpiece in order to produce a better quality formed composite part.
    • 工具概念使用柔性成形表面来形成复合部件。 工具概念使用具有薄柔顺成形表面的刚性支撑子结构。 在本发明的优选实施例中,工具概念用于形成复合正弦波形梁。 工具概念的优选实施例包括上部和下部工具插入件和侧面工具插入件。 上部工具插入件具有柔顺的成形表面,其位于刚性支撑子结构和用于形成复合部件的复合材料之间。 复合预浸料在上下工具刀片上放置在正弦波轮廓上,形成上下U型复合工件。 然后将上下工具插入件和工件组合在一起以形成正弦波I型梁。 然后将半径填料施加到上复合工件和下复合工件之间的相交处,并将盖带放置在连接的复合工件的凸缘上。 然后将侧面工具和端部工具放置在连接的上部和下部工具插入件周围。 所得组件用通气布覆盖,在真空袋中烘烤并在高压釜中固化。 在固化期间,高压釜在上部工具插入件上施加静水压力,从而在柔性成形表面上施加静水压力。 柔性成形表面又对工具内的复合工件施加固结和成形压力。 在固化期间,柔性成形表面略微变形以考虑复合材料工件中的厚度变化,以便产生更好质量的成形复合材料部件。
    • 5. 发明授权
    • Rigid tooling with compliant forming surface for forming parts from
composite materials
    • 刚性工具具有柔性成型表面,用于从复合材料形成零件
    • US5714179A
    • 1998-02-03
    • US544969
    • 1995-10-30
    • Harold M. GoodridgeKirk D. Skaggs
    • Harold M. GoodridgeKirk D. Skaggs
    • B29C33/30B29C33/40B29C33/42B29C43/36B29C70/44B29C70/42
    • B29C43/021B29C33/303B29C33/405B29C43/12B29C43/3642B29C70/44B29C2043/3644B29C2043/3657B29C33/42B29K2105/0854B29L2031/003Y10S425/044
    • A tooling concept having a compliant forming surface for forming composite parts. The tooling concept utilizes a rigid support substructure that has a thin compliant forming surface. In the preferred embodiment of the invention, the tooling concept is used to form a composite sine wave spar. A preferred embodiment of the tooling concept includes upper and lower tool inserts and side tool inserts. The upper tool insert has a compliant forming surface that is located in between a rigid support substructure and the composite material used to form the composite part. Composite prepreg is laid up over a sine wave contour on the upper and lower tool inserts to form upper and lower U-shaped composite workpieces. The upper and lower tool inserts and workpieces are then brought together to form a sine wave I-beam. Radius fillers are then applied to the intersections between the upper and lower composite workpieces and cap strips are placed over the flanges of the joined composite workpieces. Side tools and end tools are then placed around the joined upper and lower tool inserts. The resulting assembly is covered with a breather cloth, baked in a vacuum bag and cured in an autoclave. During curing, the autoclave applies a hydrostatic pressure on the upper tool insert and thus compliant forming surface. The compliant forming surface in turn applies a consolidation and forming pressure to the composite workpiece within the tools. During curing, the compliant forming surface deforms slightly to account for thickness variations in the composite workpiece in order to produce a better quality formed composite part.
    • 具有用于形成复合部件的柔顺成形表面的加工概念。 工具概念使用具有薄柔顺成形表面的刚性支撑子结构。 在本发明的优选实施例中,工具概念用于形成复合正弦波形梁。 工具概念的优选实施例包括上部和下部工具插入件和侧面工具插入件。 上部工具插入件具有柔顺的成形表面,其位于刚性支撑子结构和用于形成复合部件的复合材料之间。 复合预浸料在上下工具刀片上放置在正弦波轮廓上,形成上下U型复合工件。 然后将上下工具插入件和工件组合在一起以形成正弦波I型梁。 然后将半径填料施加到上复合工件和下复合工件之间的相交处,并将盖带放置在连接的复合工件的凸缘上。 然后将侧面工具和端部工具放置在连接的上部和下部工具插入件周围。 所得组件用通气布覆盖,在真空袋中烘烤并在高压釜中固化。 在固化期间,高压釜在上部工具插入件上施加静水压力,从而在柔性成形表面上施加静水压力。 柔性成形表面又对工具内的复合工件施加固结和成形压力。 在固化期间,柔性成形表面略微变形以考虑复合材料工件中的厚度变化,以便产生更好质量的成形复合材料部件。
    • 6. 发明授权
    • Method of making a composite part using a compliant forming surface
    • 使用柔顺成形表面制造复合部件的方法
    • US06254812B1
    • 2001-07-03
    • US09165857
    • 1998-10-02
    • Harold M. GoodridgeKirk D. Skaggs
    • Harold M. GoodridgeKirk D. Skaggs
    • B29C7044
    • B29C43/021B29C33/303B29C33/405B29C33/42B29C43/12B29C43/3642B29C70/44B29C2043/3644B29C2043/3657B29K2105/0854B29L2031/003Y10S425/044
    • A tooling concept uses a compliant forming surface for forming composite parts. The tooling concept utilizes a rigid support substructure that has a thin compliant forming surface. In the preferred embodiment of the invention, the tooling concept is used to form a composite sine wave spar. A preferred embodiment of the tooling concept includes upper and lower tool inserts and side tool inserts. The upper tool insert has a compliant forming surface that is located in between a rigid support substructure and the composite material used to form the composite part. Composite prepreg is laid up over a sine wave contour on the upper and lower tool inserts to form upper and lower U-shaped composite workpieces. The upper and lower tool inserts and workpieces are then brought together to form a sine wave I-beam. Radius fillers are then applied to the intersections between the upper and lower composite workpieces and cap strips are placed over the flanges of the joined composite workpieces. Side tools and end tools are then placed around the joined upper and lower tool inserts. The resulting assembly is covered with a breather cloth, baked in a vacuum bag and cured in an autoclave. During curing, the autoclave applies a hydrostatic pressure on the upper tool insert and thus compliant forming surface. The compliant forming surface in turn applies a consolidation and forming pressure to the composite workpiece within the tools. During curing, the compliant forming surface deforms slightly to account for thickness variations in the composite workpiece in order to produce a better quality formed composite part.
    • 工具概念使用柔性成形表面来形成复合部件。 工具概念使用具有薄柔顺成形表面的刚性支撑子结构。 在本发明的优选实施例中,工具概念用于形成复合正弦波形梁。 工具概念的优选实施例包括上部和下部工具插入件和侧面工具插入件。 上部工具插入件具有柔顺的成形表面,其位于刚性支撑子结构和用于形成复合部件的复合材料之间。 复合预浸料在上下工具刀片上放置在正弦波轮廓上,形成上下U型复合工件。 然后将上下工具插入件和工件组合在一起以形成正弦波I型梁。 然后将半径填料施加到上复合工件和下复合工件之间的相交处,并将盖带放置在连接的复合工件的凸缘上。 然后将侧面工具和端部工具放置在连接的上部和下部工具插入件周围。 所得组件用通气布覆盖,在真空袋中烘烤并在高压釜中固化。 在固化期间,高压釜在上部工具插入件上施加静水压力,从而在柔性成形表面上施加静水压力。 柔性成形表面又对工具内的复合工件施加固结和成形压力。 在固化期间,柔性成形表面略微变形以考虑复合材料工件中的厚度变化,以便产生更好质量的成形复合材料部件。