Preparation technology of copper-zinc-aluminum three-layer composite conductive wire bank
A preparation process, copper-zinc-aluminum technology, applied in cable/conductor manufacturing, circuits, electrical components, etc., can solve the problems of reduced bonding strength, fast cooling speed, and easy interface embrittlement, etc. The effect of high dimensional accuracy and grain structure refinement
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Embodiment 1
[0035] A copper-zinc-aluminum three-layer composite conductive wire row with a size of 30mm×8mm was prepared.
[0036] Concrete steps of the present invention are as follows:
[0037] Step 1: Clean the annealed copper tube to remove oil and oxides on the surface of the inner and outer tubes until the bright metal substrate is exposed. The diameter of the copper tube is 50mm, the wall thickness is 8mm, and the length of a single tube blank is 4m;
[0038] Step 2: Then put the copper pipe into a tank filled with liquid zinc, and perform hot-dip galvanizing on the inner and outer surfaces. The galvanizing temperature is 480 ° C, and the thickness of the galvanized layer is 40 μm;
[0039] Step 3: After galvanizing, insert the aluminum tube treated on the surface of the inner and outer tubes into the copper tube after hot-dip galvanizing. The diameter of the aluminum tube is 32mm, the wall thickness is 3mm, the length of the tube blank is 4m, and the galvanized The gap between th...
Embodiment 2
[0043] Prepare a copper-zinc-aluminum three-layer composite conductive wire row with a size of 50mm×10mm.
[0044] Concrete steps of the present invention are as follows:
[0045] Step 1: Clean the annealed copper tube to remove oil and oxides on the surface of the inner and outer tubes until the bright metal substrate is exposed. The diameter of the copper tube is 60mm, the wall thickness is 10mm, and the length of the tube blank is 5m;
[0046] Step 2: Then put the copper pipe into a tank filled with liquid zinc, and perform hot-dip galvanizing on the inner and outer surfaces. The galvanizing temperature is 500 ° C, and the thickness of the galvanized layer is 60 μm;
[0047] Step 3: After galvanizing, insert the aluminum tube treated on the surface of the inner and outer tubes into the copper tube after hot-dip galvanizing. The diameter of the aluminum tube is 38mm, the wall thickness is 4mm, the length of the tube blank is 5m, and the galvanized The gap between the copper...
Embodiment 3
[0051] A copper-zinc-aluminum three-layer composite conductive wire row with a size of 80mm×10mm is prepared.
[0052] Concrete steps of the present invention are as follows:
[0053] Step 1: Clean the annealed copper tube to remove oil and oxides on the surface of the inner and outer tubes until the bright metal substrate is exposed. The diameter of the copper tube is 90mm, the wall thickness is 15mm, and the length of a single tube blank is 6m;
[0054] Step 2: Then put the copper tube into a tank filled with liquid zinc, and perform hot-dip galvanizing on the inner and outer surfaces. The galvanizing temperature is 500 ° C, and the thickness of the galvanized layer is 100 μm;
[0055] Step 3: After galvanizing, insert the aluminum tube treated on the surface of the inner and outer tubes into the copper tube after hot-dip galvanizing. The diameter of the aluminum tube is 57mm, the wall thickness is 4mm, the length of the tube blank is 6m, and the The gap between the copper ...
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