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The basic introduction of the touch finger of the composite watchband


Release time:

2022-10-08

Composite strap contact series products using high-performance conductive materials, using a unique process of production. It is suitable for the compact electrical contact structure of the switch device and can produce elastic deformation at the contact part. The contact can be made as a single-point or double-point contact, or as a contact with a large current to withstand the rated current.

The basic introduction of the touch finger of the composite watchband

Composite strap contact series products using high-performance conductive materials, using a unique process of production. It is suitable for the compact electrical contact structure of the switch device and can produce elastic deformation at the contact part. The contact can be made as a single-point or double-point contact, or as a contact with a large current to withstand the rated current. In the contact of the intermediate sliding contact, the moving contact and the static contact of the switch device, the dynamic steady flow and the thermal steady flow are often used. Positive belt contact is a special elastic joint with a history of more than 50 years. Suitable for high current, high plug life, and in harsh working environments. Composite watchband contact finger is suitable for all kinds of high-voltage equipment, widely used in high-voltage switches, circuit breakers, bushings and busbars.

复合表带触指

Composite Strap Touch Finger


The touch-sensitive reed of the contact finger of the composite watchband is copper alloy, which has good elasticity and good electrical conductivity. Using the production process, can be closely connected with all kinds of electrical equipment. According to the elastic deformation of each contact, the pressure of the contact can be provided, and the single contact, double contact or embedded contact can be manufactured. The current is large and can withstand various rated currents, dynamic and thermal stability currents. The band contact spring can generate tens to thousands of amperes of current. Due to the low contact resistance, simple structure and high reliability, it has been widely used in various high-current connections.


The mounting strip on one side of the finger contact surface of the composite wristband is embedded in the embedded groove, the side wall of the embedded groove is bent to cover the mounting strip, and the mounting strip on the other side of the connecting strip is embedded in the embedded groove. The second buried groove has a side wall bent to cover the mounting strip. With the increase of power demand, the capacity of power system also increases, which puts forward higher requirements for efficient and high reliability equipment. The miniaturization of the installation space and the system requires a reduction in the volume of the apparatus and components without degrading the performance. At the same time, power suppliers and power stations are also very concerned about their operating and maintenance costs.


The challenge of the touch finger of the composite watchband is to provide customers with high-strength products while ensuring cost. In order to improve product design, the company is constantly looking for small space, stable, high-performance contact components. The product is high elastic beryllium bronze alloy, good conductivity, good elasticity, suitable for all kinds of circuit breakers, cable accessories, bus, high current industrial joints. ZW20 type vacuum circuit breaker, fuse box, 35KV cable plug, insulating sleeve, high current connector, etc. Can also be used in the field of data transmission, fiber, coaxial and photoelectric.


Composite watchband touch touch characteristics: small size, simple structure, no compression spring, electric shock, large current, high reliability, stable contact pressure, fatigue resistance, easy installation, long service life, good wear resistance, wide finger, Thickness series changes.


The composite strap contact spring is a contactor between the plug and the plug, which plays a stable conduction role. The steel tongue of the steel tongue is mainly made of beryllium copper alloy. With spring as a connector, its good elasticity, good conductivity, can achieve high mechanical and electrical connection.


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