Electroplating production method and device for copper/aluminum composite conducting bar
A technology of aluminum composite and conductive row, which is applied in the electrolysis process, electrolytic components, cells, etc., can solve the problems of affecting the quality and conductivity of the conductor, cleaning the surface of the aluminum row, and unfavorable product quality, so as to improve the quality of electroplating and simplify the equipment Ease of operation and easy stirring intensity
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Embodiment 1
[0028] Step 1: Prepare a round-edged aluminum row with a thickness of 10 mm and a width of 100 mm, and then use a mold to draw it to the required size.
[0029] Step 2, soak the aluminum row in the cleaning device for 5 minutes, the temperature of the solution in the cleaning tank is 40 degrees Celsius, and at the same time, apply ultrasonic waves with a frequency range of 50 kHz to the aluminum through the ultrasonic generator installed in the cleaning tank. Clean the oxide layer and oil stains on the surface of the aluminum row. During the cleaning process, the aluminum row moving mechanism can drive the aluminum row to rotate to a certain extent relative to the cleaning tank in a reciprocating motion, so that the aluminum row can be evenly Accept the vibration of ultrasonic waves, and cooperate with the chemical cleaning effect of sodium hydroxide alkaline solution to thoroughly clean the aluminum row.
[0030]Step 3, quickly put the cleaned aluminum row into the pre-plat...
Embodiment 2
[0036] The dimensions of the round-edged aluminum row in step 1 are 10 mm thick and 100 mm wide.
[0037] The soaking time in step 2 is 10 minutes, the solution temperature in the cleaning tank is 40 degrees Celsius, and the frequency of the ultrasonic wave is 20 kHz.
[0038] In step 3, the temperature in the pre-plating tank is 20° C., and the pre-plating time is 5 minutes.
[0039] In step 4, the temperature in the main plating tank is 40 degrees Celsius; the current density is the surface area of the aluminum row 5A / dm 2 ; The main plating time is 4 hours; the thickness of the coating is to ensure that the weight ratio of copper is 16%; the range of the applied electromagnetic field parameters is frequency: 60Hz, working current: 600A.
[0040] Others are the same as in Example 1.
[0041] The surface copper layer of the copper / aluminum composite conductive bar produced is uniform, the concentricity is high, and the copper consumption per ton of finished product is 160...
Embodiment 3
[0043] The dimensions of the round-edged aluminum row in step 1 are 10 mm thick and 100 mm wide.
[0044] In step 2, the soaking time is 8 minutes, the temperature of the solution in the cleaning tank is 20 degrees Celsius, and the frequency of the ultrasonic wave is 40 kHz.
[0045] In step 3, the temperature in the pre-plating tank is 50° C., and the pre-plating time is 1 minute.
[0046] In step 4, the temperature in the main plating tank is 30 degrees Celsius; the current density is the surface area of the aluminum row 5A / dm 2 ; The main plating time is 5 hours; the thickness of the plating layer is to ensure that the weight ratio of copper is 18%; the parameters of the applied electromagnetic field are frequency: 80Hz, working current: 800A.
[0047] Others are the same as in Example 1.
[0048] The produced copper / aluminum composite conductive row has a uniform copper layer on the surface and high concentricity, and the copper consumption per ton of finished product ...
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