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Anti-stretching cable preparation method
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A cable and wire drawing technology, which is applied in the direction of cable/conductor manufacturing, circuits, electrical components, etc., can solve the problems of personal safety threats, signal influence, breakage, etc., and achieve good tensile effect and high strength effect
Inactive Publication Date: 2018-05-29
刘红军
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[0013] The purpose of the present invention is to solve the problem that the existing cables have particularly poor tensile properties, especially after the outer protective sheath of the cable is worn or damaged, the tensile properties of the cables are very poor, causing the inner conductors to be exposed outside, and even Break, affect the signal, and pose a threat to personal safety; provides a method of cable preparation that stretches
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preparation example Construction
[0029] A kind of cable preparation method of stretching, is characterized in that, comprises the steps:
[0030] Step (1), drawing and annealing copper monofilaments, after annealing, twisting a plurality of monofilaments into a wire;
[0031] Step (2), preparing a melt-coated wire made of 20%-60% basalt and 5%-50% quartz by weight, and forming a wire with an inner protective sheath after the melt is cooled;
[0032] Step (3), preparing an outer protective sheath on the wire with the inner protective sheath.
[0033] Further, the outer protective sheath in the step (3) is made of raw materials received in parts by weight:
[0040] Step (1), drawing and annealing copper monofilaments, after annealing, twisting a plurality of monofilaments into a wire;
[0041] Step (2), preparing a melt-coated wire made of 55% basalt and 45% quartz by weight, and forming a wire with an inner protective sheath after the melt is cooled;
[0042] Step (3), preparing an outer protective sheath on the wire with inner protective sheath; details are as follows:
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Abstract
The invention discloses an anti-stretching cable preparation method, which belongs to the technical field of cable preparation, and solves the problem that the existing cable has particularly poor tensile resistance, especially after an external protective cover of the cable has a certain degree of abrasion or damage, resulting in exposure or even fracture of internal conductors, influence on signals and threads to personal safety. The anti-stretching cable preparation method comprises the steps of: step (1), drawing and annealing copper monofilaments, and twisting a plurality of the copper monofilaments into a conductor after annealing; step (2), covering the conductor with a melt prepared from the components by weight: 20-60% of basalt and 5-50% of quartz, and forming the conductor provided with an inner protective sleeve after the melt is cooled; step (3), and preparing an outer protective sleeve on the conductor provided with the inner protective sleeve. The anti-stretching cable preparation method is used for preparing cables.
Description
technical field [0001] The invention discloses a method for preparing cables by rolling and stretching, which is used for preparing cables and belongs to the technical field of cable preparation. Background technique [0002] Cable (electriccable; powercable): usually composed of several or several groups of wires, made of one or more mutually insulated conductors and an outer insulating protective layer, a wire that transmits power or information from one place to another . It is usually a rope-like cable twisted by several or groups of wires (at least two in each group), each group of wires is insulated from each other, and is often twisted around a center, and the entire outer surface is covered with a high degree of insulation overlay. The cable has the characteristics of internal electrification and external insulation. Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial c...
Claims
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Application Information
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