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How Does The IDC Terminal Work?

June 8, 2021

Latest company news about How Does The IDC Terminal Work?

IDC terminal stability depends on factors such as the spring characteristics of the terminal head and the load capacity of the wire.

From a design perspective, IDC terminals are easier to control. And the elimination of external resilience prevents the movement of the cable terminal interface. For solid welding wire, through proper stress relief, this is because of the higher inherent mechanical stability, the performance will be better than IDC end crimping. This is because the terminal deflection energy is stored in the elastically maintained high-voltage interface. Generally, for smaller wires, the terminal is designed to provide a few pounds of force and a few mils of elastic deflection at the interface

 

For larger wires, the force can be as high as 15 to 20 pounds.

Crimping works well in this field because it will produce metal contacts during the crimping process, and due to axial compression, a small amount of stored elastic energy of the wire. With the passage of time in society, if the crimping joint maintains a mechanically stable development state, additional diffusion welding technology can pass through the interface. However, the stress relaxation and creep of the terminal/wire system tends to decrease the stability of the construction machinery structure. Therefore, depending on the design of the mechanical system, the subsequent process may affect and ultimately lead to a decrease in work performance. Due to vibration and/or reduced stress relaxation edge strength, equipment lifespan due to mechanical instability is reduced.

Regarding the stranded wire, the mechanical system stability of the stranded wire harness plays an important role in the performance, and there are two factors that affect the performance.

First, because the stranded wire is under compressive load, due to mechanical interference, stress relaxation and creep, when the wire bundle is in the relaxation time slot, it tends to reduce the contact force. The degree of potential relaxation mainly depends on the type of stranded wire used by the enterprise. The number and stranding of the strands, the top coating of the conductor and the type of insulation play an important role in mechanical stability. At the same time, the cables that are easiest to cover usually perform better than solid wires.

Second, the number of wires between the electrical conductivity of the wire contact is limited, and therefore the overall electrical conductivity is affected. If the wires are tinned, the latter can be optimized. In the case of multi-stranded wires, it is obvious that a well-designed strain relief device is important. Sometimes, additional IDC slots can provide the necessary mechanical stability.

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