How are wire harnesses soldered? What are the standard requirements for soldering?

Welding Methods for Wiring Harnesses A wiring harness is a circuit connection component consisting of multiple wires and wires. Wiring harnesses are widely used in modern automobiles and mechanical equipment. The main welding methods for wire harnesses are as follows: Hot Melt Welding Method The hot melt welding method refers to the method of melting and cooling the metal material to form a connection. This method requires the use of a high-temperature welding furnace or torch to heat the metal material so that it melts and flows to the connection site. It is then allowed to cool naturally to form the connection. The hot fusion welding method is less commonly used in wire harness welding because it tends to cause damage to the harness. Cold Pressure Welding Method The cold pressure welding method refers to the use of mechanical force to form a connection after pressing the metal material into shape. This method is suitable for welding harnesses with small wire diameters. Cold compression welding ensures the strength of the welded joints and does not require high-temperature heating, which will not affect the electrical properties of the wire harness. Soldering method Soldering method refers to the method of heating the solder bar or wire to the melting point and applying it to the connecting part, so that the solder and the connecting part form a strong connection. This method is suitable for small wire diameter wire harness welding. Soldering method has the advantages of simplicity, ease of use, reliability, etc., but the quality of welding is easily affected by the level of operation technology. Soldered Joints Soldered joints are a way of connecting the ends of two wires by means of fusion welding. The advantage of welded joints is to ensure the strength of the welding point, the disadvantage is that the welded joints are more fragile, easy to break. Second, the wiring harness welding standard requirements wiring harness welding is a modern automobile and mechanical equipment is very important part of one of its quality is directly related to the reliability and safety of the entire equipment. Therefore, in the wiring harness welding process, the need to operate in strict accordance with the following standard requirements: welding material requirements wiring harness welding materials should be in line with the provisions of the relevant local standards, such as welding wire, solder, etc.. Welding process requirements harness welding should be used in the appropriate welding process, and to ensure that the welding quality in line with the relevant standards.

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