Copper coated aluminum three-core flame-retardant refractory flexible electric cable
A flame-retardant, fire-resistant, and manufacturing method technology, which is applied in the direction of cable/conductor manufacturing, insulated cables, cables, etc., can solve the problems of hard cables, low tensile force of aluminum materials, and inability to process, etc., to achieve light weight, less copper, and low cost. low effect
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[0053] for figure 1 The copper-clad aluminum three-core round flame-retardant and fire-resistant flexible cable of the present invention shown, the method for manufacturing the cable includes: the step of making the copper-clad aluminum wire into a single conductive core 1; The step of forming the wire core refractory layer (2, 3) on the outer surface; the insulation treatment step of extruding insulating material on the wire core refractory layer (2, 3) to form an insulated wire core with an insulating layer 4; for three The step of cable-forming the insulated wire core with the insulating layer 4 to form a cable; and the step of extruding refractory plastic on the cable to form a flame-retardant sheath layer 6 . Since the cross-section of the single conductive core 1 is usually circular when manufacturing a single conductive core 1, it is usually not necessary to process the conductive core 1 into a circular conductive core 1. ; But if the cross-section of the single conduc...
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