Copper-clad aluminum conductor production process

A production process and technology of copper-clad aluminum wire, applied in the field of copper-clad aluminum wire production process, can solve the problems of high price, drawing detachment, affecting product quality, etc., and achieve high coating bonding strength, reasonable process, and good drawing quality. Effect

CN103173810AInactive Publication Date: 2013-06-26李振萍
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2013-06-26
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

Abstract

The invention discloses a copper-clad aluminum conductor production process comprising the following processing steps of: 1, deoiling the aluminum conductor by soaking the aluminum conductor in a chemical solvent; 2, cleaning; 3, pickling the aluminum conductor in a pickling solution for activating; 4, pre-nickeling the aluminum conductor in a solution containing 5-30 g / L of nickel chlorite, 50-150 g / L of nickel aminosulfonate, 20-100 g / L of boric acid and additives; 5, cleaning; 6, coppering the pre-nickeled aluminum conductor in a solution containing 30-50 g / L of copper nitrate, hydroxy ethylidene diphosphate and additives at 25-40 DEG C and with current density of 2-5 A / dm<2>; 7, cleaning the aluminum conductor through clear water at 30-40 DEG C; and 8, winding and packaging the aluminum conductor. The copper-clad aluminum conductor production process disclosed by the invention is reasonable in process, the aluminum conductor is nickeled and coppered by the environmentally-friendly and non-pollution plating solutions, the plating combination strength of produced copper-clad aluminum conductors with various diameters is high, and the subsequent drawing quality of the conductors is good.
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Description

technical field

[0001] The invention belongs to the field of electroplating technology, and in particular relates to a copper-clad aluminum wire production process. Background technique

[0002] Copper wire has good conductivity and shielding, which is a high-quality material for wires and cables, but it is expensive and costly. Aluminum wire is cheap and light in weight and has high economic efficiency. The current copper-clad aluminum wire adopts the coating process, which cannot be fully combined. , Subsequent drawing will break away or there will be gaps affecting product quality. Contents of the invention

[0003] The purpose of the present invention is to provide a copper-clad aluminum wire production process with reasonable process, low production cost and good product quality

[0004] Technical solution of the present invention is:

[0005] A copper-clad aluminum wire production process is characterized in that, that is, the process steps, 1. Degreasing, soaking ...

Examples

Embodiment 1

[0008] A copper-clad aluminum wire production process, that is, process steps, 1. Degreasing, soaking in a chemical solvent to remove oil, 2. Cleaning, 3. Pickling, putting the aluminum wire into a pickling solution for pickling activation, 4. Pre-plating nickel, put the aluminum wire into a solution containing nickel chloride 20g / L, nickel sulfamate 100g / L, boric acid 500g / L and additives for nickel plating, 5, cleaning, 6, copper plating, the pre-nickel plating Put the aluminum wire into a solution containing 400 copper nitrate, hydroxyethylene diphosphoric acid and additives at a temperature of 30°C and a current density of 4A / dm 2 , 7, cleaning, rinse with water at a temperature of 30 ° C, 8, winding packaging.