Production method of large-size special-shaped aluminum conductive core cable
A technology of conductive wire core and production method, applied in cable/conductor manufacturing, circuits, electrical components, etc., can solve the problems of easy breakage of monofilament, inability to form cabling, and easy jumping out of the inner layer conductor of the conductive wire core to the outer layer, etc. Achieve the effect of not easy to break, improve quality, and round the cable
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[0024] The present invention will be described in further detail below.
[0025] A method for producing a large-size special-shaped aluminum conductive core cable is characterized in that it includes the following steps:
[0026] Step 1: Use the A2 grade φ10mm aluminum rod that meets the requirements of the national standard, and draw it into a φ2.53mm aluminum monofilament through a sliding aluminum drawing machine;
[0027] Step 2: Put the φ2.53mm aluminum monofilament drawn in step one into an annealing furnace for annealing. The temperature in the return furnace is controlled at 210-230℃, and the annealing time is 2.5-3 hours. After annealing, the aluminum monofilament The tensile strength of the silk is 130-135N / mm 2 , The elongation is 18-20%;
[0028] Step 3: After the aluminum monofilament after annealing in step 2 is completely cooled, re-pour and apply drawing oil to form a drawing oil film on the surface of the aluminum monofilament; it can solve the volatilization of the a...
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