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本发明涉及一种碳纤维复合材料螺旋弹簧及其制作方法和成型模具,该弹簧包括呈螺旋状的弹簧丝,弹簧丝由芯轴、包裹在芯轴外的中层及包裹在中层外的外层组成,芯轴由若干根碳纤维增强体组成,并且该芯轴呈扭转状,碳纤维增强体由浸渍有树脂的若干根碳纤维束及包裹在若干根碳纤维束外的一层浸渍有树脂的碳纤维布组成,中层为浸渍有树脂的若干层碳纤维布或浸渍
The present invention relates to a carbon fiber composite coil spring and a method for manufacturing the same and a forming mold. The spring comprises a helical spring wire composed of a mandrel, a middle layer wrapped outside the mandrel, and an outer layer wrapped around the middle layer , The mandrel is composed of a plurality of carbon fiber reinforced bodies, and the mandrel is twisted, the carbon fiber reinforced body is composed of a plurality of carbon fiber bundles impregnated with resin and a layer of carbon fiber cloth impregnated with resin covered outside the plurality of carbon fiber bundles, The middle layer is impregnated with several layers of carbon fiber cloth impregnated with resin or impregnated