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Electroplating pretreatment degreasing method

A technology for electroplating pretreatment and oil powder, applied in the field of degreasing before electroplating, can solve the problems of long degreasing time, inability to remove grease on the surface of electroplating parts, unqualified electroplating parts, etc. , the effect of improving the bonding force

Inactive Publication Date: 2013-10-09
兰溪市卓越电子有限公司
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  • Summary
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  • Description
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Problems solved by technology

Although this method is simple in process and low in cost, it takes a long time to remove the oil, and it cannot completely remove the grease on the surface of the electroplated parts. Unqualified electroplating workpiece

Method used

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Embodiment Construction

[0010] A pretreatment degreasing method for electroplating, which is characterized in that it comprises the following steps: using E260 Huapu degreasing powder with a ratio of degreasing liquid concentration of 46 g / L, working temperature at 51 degrees, electrolysis time controlled at 58 seconds, electrolysis The density is 2.8A / dm 2 , Pour clean water into the electrolytic tank, raise the temperature to 51 degrees, add this type of degreasing powder in proportion, stir well until it dissolves, and then start working.

[0011] Electrolyte maintenance: timely remove oil floating on the surface of the bath and residues at the bottom of the pool. To prevent the pollution of metal ions, in order to ensure cleanliness, corrugated boards are regularly used for low-current cathode treatment.

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Abstract

The invention discloses an electroplating pretreatment degreasing method. The electroplating pretreatment degreasing method is characterized by comprising the following steps of: preparing a degreasing solution by using E260 Huapu degreasing powder, wherein the concentration of the degreasing solution is 46g / L, the working temperature is 51 DEG C, electrolysis time is controlled to be 58 seconds, and electrolysis density is 2.8A / dm<2>; injecting clear water into an electrolytic tank, and raising the temperature to 51 DEG C; proportionally adding the degreasing powder of the type; fully stirring until the degreasing powder is dissolved, and performing operation. According to the electroplating pretreatment degreasing method, the surface of a workpiece can be activated, and the binding force between a base body and a plating layer is increased.

Description

technical field [0001] The invention relates to a pretreatment degreasing method for electroplating. Background technique [0002] Electroplating refers to the process of plating a thin layer of other metals or alloys on the surface of certain metals using the principle of electrolysis. It is a process of using electrolysis to attach a layer of metal film to the surface of metal or other materials to prevent corrosion. Improve wear resistance, conductivity, light reflection and enhance the appearance. In a series of electroplating processes, degreasing cleaning is an important part of pre-plating treatment; the key to degreasing is the choice of degreasing agent. According to the characteristics and degree of contamination of the surface of the electroplated workpiece, different degreasing methods will be adopted. At present, for alloy electroplated parts, the method of chemical degreasing is generally adopted, and the oil stain on the surface of electroplated parts is rem...

Claims

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Application Information

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IPC IPC(8): C25D5/34C25F1/00
Inventor 陆立群
Owner 兰溪市卓越电子有限公司
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