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Electroplating technology

An electroplating process and process technology, applied in the field of electroplating process, can solve the problems of low comprehensive production efficiency, large one-time investment, waste of financial and material resources, etc., and achieve the effects of protecting safety, saving floor space, and tightly combining the coating

Inactive Publication Date: 2018-08-28
JIANGSU AOGUANG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the original continuous copper plating of steel strips, multiple copper plating tanks, auxiliary tanks and other auxiliary equipment are required. The continuous copper plating production line of steel strips is 80 meters long and occupies a large area. The steel strip production line is about 20,000 yuan per meter , the one-time investment is too large, the overall production efficiency is low, and a large number of staff are required for maintenance operations, resulting in a waste of financial and material resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] An electroplating process, comprising pre-plating pretreatment, electroplating process and electroplating post-treatment process steps in turn, said pre-plating pre-treatment includes degreasing, water washing, activation, water washing process steps; said electroplating process includes palladium-nickel plating, nickel-plating , gold plating, and matte pure tin process steps; the post-plating treatment includes a drying process.

[0017] Wherein, the degreasing adopts ultrasonic degreasing and electrolytic degreasing, the ultrasonic degreasing temperature is 55°C, the ultrasonic current is greater than 0.2A, and the electrolytic degreasing current is 25A; the activation uses NiCl2, and the activation current is 35A; the electroplating The treatment tank for pre-treatment includes an ultrasonic degreasing tank, an electrolytic degreasing tank, and an activation tank, and the three parts are respectively independent enclosed spaces; the temperature in the palladium-nickel...

Embodiment 2

[0019] An electroplating process, comprising pre-plating pretreatment, electroplating process and electroplating post-treatment process steps in turn, said pre-plating pre-treatment includes degreasing, water washing, activation, water washing process steps; said electroplating process includes palladium-nickel plating, nickel-plating , gold plating, and matte pure tin process steps; the post-plating treatment includes a drying process.

[0020] Wherein, the degreasing adopts ultrasonic degreasing and electrolytic degreasing, the ultrasonic degreasing temperature is 65°C, the ultrasonic current is greater than 0.2A, and the electrolytic degreasing current is 35A; the activation uses NiCl2, and the activation current is 45A; the electroplating The treatment tank for pre-treatment includes an ultrasonic degreasing tank, an electrolytic degreasing tank, and an activation tank, and the three parts are respectively independent enclosed spaces; the temperature in the palladium-nickel...

Embodiment 3

[0022] An electroplating process, comprising pre-plating pretreatment, electroplating process and electroplating post-treatment process steps in turn, said pre-plating pre-treatment includes degreasing, water washing, activation, water washing process steps; said electroplating process includes palladium-nickel plating, nickel-plating , gold plating, and matte pure tin process steps; the post-plating treatment includes a drying process.

[0023] Wherein, the degreasing adopts ultrasonic degreasing and electrolytic degreasing, the ultrasonic degreasing temperature is 60°C, the ultrasonic current is greater than 0.2A, and the electrolytic degreasing current is 30A; the activation uses NiCl2, and the activation current is 40A; the electroplating The pre-treatment tank includes an ultrasonic degreasing tank, an electrolytic degreasing tank, and an activation tank, and the three parts are respectively independent enclosed spaces; the temperature in the palladium-nickel plating proce...

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PUM

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Abstract

The invention discloses an electroplating technology. The electroplating technology sequentially comprises the steps of pretreatment before electroplating, the electroplating process and electroplating post-treatment, wherein pretreatment comprises the steps of oil removal, water washing, activation and water washing; the electroplating process comprises the steps of palladium and nickel plating,nickel plating, gold plating and pure matte tin; electroplating post-treatment comprises a drying process. A steel strip is in an shape, so that the occupied area is greatly saved, and the cost of a production line is reduced by about one half; the content of phosphorus in sulfate copper plating is extremely small, so that the bonding of a coating is tighter; an manufactured electronic device is not easy to deweld; resources can be effectively saved; the safety of personnel is protected.

Description

technical field [0001] The invention relates to an electroplating process. Background technique [0002] In the original continuous copper plating of steel strips, multiple copper plating tanks, auxiliary tanks and other auxiliary equipment are required. The continuous copper plating production line of steel strips is 80 meters long and occupies a large area. The steel strip production line is about 20,000 yuan per meter , The one-time investment is too large, the overall production efficiency is low, and a large number of staff are required for maintenance operations, resulting in a waste of financial and material resources. In the original continuous copper plating of steel strips, only one or two steel strips can be electroplated at a time. In the content of the present invention, the steel strips are in an S-shaped direction in the pre-treatment tank and the plating tank, which greatly reduces the occupied area and saves the production line. The cost is about one-half, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/36C25D5/14C25D7/06
CPCC25D5/36C25D5/14C25D7/0621
Inventor 何爱芝云虹闵宇霖沈喜训丁会梅彭红军丁荣军袁小菊
Owner JIANGSU AOGUANG ELECTRONICS
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