Hot tinning process of ultrafine copper wire
A technology of hot-dip tinning and copper wire, which is applied in the direction of hot-dip plating process, metal material coating process, coating, etc., can solve problems such as broken wires and tin layer falling off, and achieve improved corrosion resistance, lower melting point, and good The Effect of Adhesion and Plating Rate
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Embodiment 1
[0034] A hot-dip tinning process for ultra-fine copper wires. Take 0.03mm pure copper wires and wires for unwinding, and then enter the annealing tube for annealing. After annealing, dry them, enter tin liquid for tinning, and take up the wires after cooling. , making ultra-fine copper wire; wherein, before the annealing treatment, the surface of the copper wire is continuously coated with ethanol when the wire is released;
[0035] Three temperature sections are set in the annealing tube for annealing treatment.
[0036] The three temperature sections include:
[0037] The first temperature section: 130°C, while placing carbon powder on the inner wall of the annealing tube, the take-up speed is 100m / min;
[0038] The second temperature section: 190°C, take-up speed: 210m / min;
[0039] The third temperature section: 260°C, take-up speed: 350m / min;
[0040] The temperature at which the copper wire exits the annealing tube is controlled below 40°C.
[0041] After drying, the...
Embodiment 2
[0047] A hot-dip tinning process for ultra-fine copper wires. Take 0.03mm pure copper wires and wires for unwinding, and then enter the annealing tube for annealing. After annealing, dry them, enter tin liquid for tinning, and take up the wires after cooling. , making ultra-fine copper wire; wherein, before the annealing treatment, the surface of the copper wire is continuously coated with ethanol when the wire is released;
[0048] Three temperature sections are set in the annealing tube for annealing treatment.
[0049] The three temperature sections include:
[0050] The first temperature section: 150°C, and carbon powder is placed on the inner wall of the annealing tube at the same time, and the take-up speed is 130m / min;
[0051] The second temperature section: 220°C, take-up speed: 250m / min;
[0052] The third temperature section: 310°C, take-up speed: 350m / min;
[0053] The temperature at which the copper wire exits the annealing tube is controlled below 40°C.
[00...
Embodiment 3
[0060] A hot-dip tinning process for ultra-fine copper wires. Take 0.03mm pure copper wires and wires for unwinding, and then enter the annealing tube for annealing. After annealing, dry them, enter tin liquid for tinning, and take up the wires after cooling. , making ultra-fine copper wire; wherein, before the annealing treatment, the surface of the copper wire is continuously coated with ethanol when the wire is released;
[0061] Three temperature sections are set in the annealing tube for annealing treatment.
[0062] The three temperature sections include:
[0063] The first temperature section: 180°C, and carbon powder is placed on the inner wall of the annealing tube at the same time, and the take-up speed is 200m / min;
[0064] The second temperature section: 230°C, take-up speed: 300m / min;
[0065] The third temperature section: 400°C, take-up speed: 400m / min;
[0066] The temperature at which the copper wire exits the annealing tube is controlled below 40°C.
[00...
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