Gansu Electric Power Steel Core Aluminum Alloy Stranded Wire JLHA1/G1A-500/65 Steel Core Aluminum Alloy Stranded Wire Outer Diameter

Description :

　　JLHA1/G1A-500/65 customized processing, Aluminum Conductor Steel Reinforced (ACSR), with high-strength steel wire as the core and aluminum alloy wire twisted on the outer layer;

　　2. Aluminum Conductor Alloy Reinforced (2006), Vol. 34， Light alloy processing technology LAFT 5, also known as ACAR, has an aluminum alloy core and an outer layer of twisted electrical round aluminum wire;

　　3. All Aluminum Alloy Conductor (AAAC), all segments are composed of homogeneous aluminum alloy.

　　In order to solve the above technical problems, the present invention provides a method for manufacturing steel core aluminum alloy stranded wire with high conductivity, high strength, and large cross-section. The method is characterized by the structure of the steel core aluminum alloy stranded wire and the processing technology of the steel core aluminum alloy. The steel core aluminum alloy stranded wire consists of two parts: LHA2 high-strength aluminum magnesium alloy round wire carrying current on the outer ring and GIA high-strength galvanized steel wire reinforcing element on the inner ring. The LHA2 high-strength aluminum magnesium alloy round wire and GIA high-strength galvanized steel wire are twisted into steel core aluminum alloy stranded wire by a twisting machine. The diameter of the steel core aluminum alloy stranded wire is 43.54mm, with a diameter tolerance range of 0.44mm, The steel core aluminum alloy stranded wire is a multi-layer structure, from outside to inside, consisting of an outer layer of aluminum alloy wire, an outer layer of aluminum alloy wire, an inner layer of aluminum alloy wire, 12 layers of steel wire, 6 layers of steel wire, and a center root of steel wire. The aluminum alloy wire that constitutes the outer layer of aluminum alloy wire, the outer layer of aluminum alloy wire, and the inner layer of aluminum alloy wire is LHA2 high-strength aluminum magnesium alloy round wire, with a diameter of 4.84mm. The steel wire that constitutes the 12 layers of steel wire, 6 layers of steel wire, and the center root of steel wire is G1A high-strength galvanized steel wire, with a diameter of 2.90mm;

　　The preparation process of LHA2 high-strength aluminum magnesium alloy round wire includes:

　　1. Testing of high-strength aluminum magnesium alloy rods: The raw material high-strength aluminum alloy rods are inspected before production to ensure that the product is in good condition, with a smooth surface and no defects,

　　2. Wire drawing: (1) High strength alloy round wires are arranged neatly without any collapse or loose circles due to wire pressure. (2) During the wire drawing process, the surface of the high-strength alloy round wires is smooth and without any scratches,

　　3. Timeliness: By controlling the heat treatment temperature and time, the tensile strength, resistance, and elongation of high-strength aluminum alloy wires after heat treatment can be ensured to meet the design requirements. Through aging treatment, Mg2Si precipitation and strengthening can be achieved in the aluminum alloy material;

　　The LHA2 high-strength aluminum magnesium alloy round wire and G1A high-strength galvanized steel wire are twisted together into steel core aluminum alloy stranded wire through a 54 reel or more 630 frame type twisting machine, and the twisting process is as follows:

　　(1) The high-strength aluminum alloy wire twisting machine adopts an air pressure proportional valve to control the tension of the wire, and the tension has an automatic feedback function to keep the tension of the single wire from the full reel to the shallow reel unchanged. All tension parameters are displayed on the control screen for monitoring and adjustment to control the tension;

　　(2) The stranding machine is equipped with high-precision positioning devices, and the stranding process adopts pre forming technology to ensure tight stranding without single wire protrusion, achieving single wire pre forming without jumper, loose or loose strands; The surface of the wire is twisted round, tightly flat, and has a uniform outer diameter

　　Dazheng Electric Wire Co., Ltd. is located in Dazheng Industrial Zone, Renqiu City. The company mainly produces steel core aluminum stranded wire, OPGW optical cable, aluminum clad steel stranded wire, overhead insulated wire, OPPC optical cable, ADSS optical cable, aluminum clad steel core aluminum stranded wire, steel stranded wire, and aluminum stranded wire, with a total of more than 100 varieties and more than 3000 specifications. Located near Baiyangdian, the pearl of North China, the 106 National Highway, Beijing Kowloon Railway, and Jinbao Highway run through the city. It is 156km north of Beijing and 120km east of Tianjin, making transportation very convenient

　　DaZheng Electric Wire Co., Ltd. takes "meeting customer requirements and enhancing customer satisfaction" as its purpose, and "quality is life, integrity is fundamental, and customers are God" as its business philosophy. It cultivates the market, improves product quality, and constantly pursues the perfection of products and services to meet customers' higher requirements.

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