Composite core used for reinforced cable and reinforced cable
A composite material core and cable technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of incomplete utilization of the transverse fiber effect of the fiber sleeve, reduced tensile strength of the composite core, unsuitable quality control, etc. And the effect of high elastic modulus, improving fatigue strength and fatigue resistance, and not easy to fall off
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[0052] Example 1: Inner core 1 selects 72 12K carbon fibers with a fiber diameter of 7 microns, and uses an adjustable tension frame for tension control, so that the carbon fiber tension is basically the same; structural layer 2 uses 24 bundles of glass fiber braided fiber braided tubes, each bundle The glass fiber is 90 pieces and 4 strands; a 24-spindle horizontal braiding machine is used; 28 pieces of 1200Tex glass fiber are used for the outer layer 3, and modified epoxy resin is used as the thermosetting resin. Curing agent, imidazole accelerator. Epoxy resin glue ratio: modified epoxy resin: modified acid anhydride: 1-methylimidazole: zinc stearate=100:100:2:2. The sum of the fiber weights of the carbon fibers in the inner core 1, the fiber braided tubes in the structural layer 2, and the glass fibers in the outer layer 3 accounts for about 80% of the total weight of the composite core.
[0053] The material selected with this ratio is used to manufacture a composite cor...
Example Embodiment
[0054] Embodiment 2: The inner core 1 selects 36 carbon fibers of 12K, and the fiber diameter is 7 microns, and uses an adjustable tension frame for tension control, so that the carbon fiber tension is basically consistent; Fiber weaving, each bundle of glass fibers is 120 pieces and two strands; a 16-spindle horizontal weaving machine is used; the outer layer 3 is made of 20 basalt fibers of 600Tex, and the thermosetting resin is epoxy resin, and the glass transition temperature Tg is about 180 ℃, Use acid anhydride curing agent and imidine as accelerator. Epoxy resin glue ratio: modified epoxy resin: methyltetrahydrophthalic anhydride: 1-methylimidazole: zinc stearate=100:90:1.5:2. The sum of the fiber weights of the carbon fibers in the inner core 1 and the basalt fibers in the structural layer 2 and the basalt fibers in the outer layer 3 accounts for about 70% of the total weight of the composite core.
[0055] Use this ratio to select materials for the manufacture of com...
Example Embodiment
[0056] Embodiment 3: inner core 1 selects 75 carbon fibers of 12K, the fiber diameter is 7 microns, and structural layer 2 selects 24 bundles of basalt fibers to weave, and each bundle of fibers is 90 four strands, and outer layer 3 selects 100 Kevlar49 aramid fibers for use, and the first The second structure layer 2' is woven with 36 bundles of glass fibers, each bundle of glass fibers is 80 pieces of 6 strands, and the second outer layer 3' uses 40 glass fibers of 1200Tex, and uses an adjustable tension frame to control the tension, so that the carbon fiber, aramid fiber The tension of fiber and glass fiber is basically the same; epoxy resin is used for thermosetting resin, and the glass transition temperature Tg is about 200 ℃. Acid anhydride curing agent and imidazole are used as accelerators. Epoxy resin glue ratio: modified epoxy resin: modified acid anhydride: 1-methylimidazole: zinc stearate: 12-14 alkyl glycidyl ether=100:100:1.6:2:5. Sum of fiber weights of carbon f...
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