Manufacturing die and forming method of large-length-diameter-ratio carbon fiber composite pipe
A technology of composite material tube and large length-to-diameter ratio, which is applied in the field of carbon fiber composite product molding, which can solve the problems of difficult control of glue content, difficult mold entry, poor strength, etc., to protect the shape surface and straightness, and improve surface quality , Improve the effect of dimensional accuracy
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[0037] Example 1
[0038] Such as figure 1 , figure 2 with image 3 As shown, the large aspect ratio carbon fiber composite tube manufacturing mold of this embodiment is composed of a lower mold 1, a middle mold 2 and an upper mold 3. The lower mold 1 is formed by connecting a plurality of lower template blocks 1-1, each Both sides of the upper surface of each of the lower template blocks 1-1 are provided with lower mold grooves 1-1-1. The middle mold 2 is composed of two middle mold block units, and the two middle mold block units pass through the joint 4 Each of the middle template block units is formed by connecting a plurality of middle template blocks 2-1, and the lower surface of the middle template block 2-1 is provided with a middle mold that cooperates with the lower mold groove 1-1-1. The upper surface of the middle mold block 2-1 is provided with a middle mold groove 2-1-2, and the upper mold 3 of the mold is formed by connecting a plurality of upper mold blocks 3-1. ...
Example Embodiment
[0043] Example 2
[0044] The molding method of this embodiment includes the following steps:
[0045] Step 1. Cover the air bag soaked with release agent on the surface of the wood core mold in the mold, and then spread a layer of FAW80 carbon fiber / epoxy woven fabric prepreg on the air bag smoothly; the FAW80 Carbon fiber / epoxy resin prepreg has a fiber surface density of 80g / m 2 , The rubber content is 40%; the wood core inner mold is a cuboid, the outer wall shape of the wood core mold matches the inner wall shape of the carbon fiber composite tube, and the cross section of the wood core mold is 83mm high and 63mm wide;
[0046] Step 2: Lay the PMI foam on the prepreg described in Step 1, and use an adhesive to make the foam bond and solidify;
[0047] Step 3. Use compressed air to clean the surface of the foam that has been bonded and cured in Step 2. Then, two layers of FAW80 carbon fiber / epoxy woven fabric prepreg are tightly laid on the surface of the foam in the direction of ...
Example Embodiment
[0051] Example 3
[0052] The molding method of this embodiment includes the following steps:
[0053] Step 1. Cover the air bag soaked with the release agent on the surface of the wood core mold in the mold, and then spread five layers of FAW80 carbon fiber / epoxy woven cloth prepreg on the air bag smoothly; the FAW80 Carbon fiber / epoxy resin prepreg has a fiber surface density of 85g / m 2 , The rubber content is 40%; the wood core inner mold is a cuboid, the outer wall shape of the wood core mold matches the inner wall shape of the carbon fiber composite tube, and the cross section of the wood core mold is 83.5mm high and 63.5mm wide;
[0054] Step 2: Lay the PMI foam on the prepreg described in Step 1, and use an adhesive to make the foam bond and solidify;
[0055] Step 3. Use compressed air to clean the surface of the foam that has been bonded and cured in Step 2. Then, five layers of FAW85 carbon fiber / epoxy woven fabric prepreg are tightly laid on the surface of the foam in the d...
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