Ultrasonic tinning of current-carrying armout-clamp, and bivariate composite adhering for copper-aluminium transition current-carrying armour clamp
An ultrasonic and current-carrying gold technology, which is applied in the bonding of current-carrying metal fittings, ultrasonic hot-dipping tin of current-carrying metal fittings and copper-aluminum transitional double-denatured composite bonding technology, can solve the problem of poor bonding force and contact surface of brazing bonding. Easy to oxidize, increase contact resistance and other problems, achieve the effect of improving flatness, preventing potential corrosion and chemical corrosion, and reducing contact resistance
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Embodiment 1
[0034] 1. The operation procedure of ultrasonic hot-dip tinning on the contact surface of copper and aluminum current-carrying fittings:
[0035] ①Clean up burrs: clean up the burrs around the contact surface of the current-carrying hardware, and wait for tinning;
[0036] ② Preheating in the insulation box: Put the parts to be dipped into the 101-2A digital display electric blower insulation box for insulation and preheating. The preheating temperature is 150°C and the constant temperature time is 15 minutes;
[0037] ③Tin bath ultrasonic hot-dipping tin: put the parts to be dipped in the tin bath of H43-120 ultrasonic jet tin dipping machine preheated to 150°C for ultrasonic hot-dipping tin, the tin bath temperature is 350°C, and the tin dipping time: 2 minutes for aluminum, 2.5 minutes for aluminum alloy, and 10 minutes for copper;
[0038] ④Take out the tin-immersed parts from the tin bath, and clean the burrs around the tin-immersed surface with pure cotton cloth before ...
Embodiment 2
[0048] 1. The operation procedure of ultrasonic hot-dip tinning on the contact surface of copper and aluminum current-carrying fittings:
[0049] ①Clean up burrs: clean up the burrs around the contact surface of the current-carrying hardware, and wait for tinning;
[0050] ② Preheating in the insulation box: before tin dipping, put the parts to be dipped into the 101-2A digital display electric blower insulation box for preheating, the preheating temperature is 200 ° C, and the constant temperature time is 12 minutes;
[0051] ③Tin bath ultrasonic hot-dip tin: put the parts to be dipped into the tin bath of the H43-120 ultrasonic jet tin dipping machine heated to 200°C for ultrasonic hot-dip tin, the tin bath temperature is 350°C, and the tin dipping time: aluminum 2 minutes for aluminum alloy, 10 minutes for copper;
[0052] ④Take out the tin-immersed parts from the tin bath, and clean the burrs around the tin-immersed surface with pure cotton cloth before the tin layer of t...
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