10 pin 98174-1004 Automotive Blower Resistor Plug Female Auto Connectors Housing Plug 2.8 Series

4 solution

Based on the problems encountered in the application of aluminum wires in the car line, the problem of terminal and connection needs to be mainly solved. Special terminals are copper and aluminum terminals processed by friction welding (Figure 2).

Fricating welding refers to the problem of copper -aluminum connection through the form of friction welding connection between the copper end of the terminal through friction welding and aluminum end pressure connection area.

The copper ends of the copper aluminum terminal are connected with the aluminum end through friction and welding. During the friction welding process, the copper aluminum alloy transition area is formed, which effectively solves the problem of electrochemical corrosion and metal creeping between copper and aluminum. The aluminum end of the copper aluminum terminal is connected to the aluminum wire through the hydraulic pressure. During the pressure connection, the aluminum wire and the surface layer oxide film of aluminum wires and aluminum -ending are effectively destroyed, forming an effective connection between aluminum metal, and the expectations of electrical performance. At the same time, after hydraulic pressure connection, there is a certain amount of pressure preservation time, which releases the stress generated during the pressure connection, forming a cold welding state between aluminum end and aluminum wires, which has achieved good maintenance and met mechanical performance expectations.

At present, there are usually two connection methods for the application of large square aluminum wires. These are also two different connections adopted for the design of the two different terminals, which are the square crushing methods for copper and aluminum pipelines to connect aluminum wires. There is also an ultrasonic welding method connected to the copper terminal and aluminum wire.

1) Quartet pressure connection method. This pressure connection method is to use the aluminum pressure connection and aluminum wires of the copper aluminum terminal to press the pressure, so that the aluminum of the two forms but the same material is pressed together through a special pressure connection tool. The same can ensure the perfect fusion after pressure connection, thereby reducing the resistance. This pressure connection method has been used to this day, and it has been optimized in terms of terminal design and pressure connection process. It is shorter, but does not reduce the pressure connection process of reliability. As shown in Figure 3 and Figure 4.

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