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Spring touch some little knowledge


Release time:

2022-03-15

The spring contact finger is a circular coil spring whose coils are elliptical and inclined. When compressed, each coil will deform independently. No matter which part of the coil is deformed, the entire spring will be counteracted so that the load at each contact point is consistent. For the connector, the ends of the spring will be welded together to form a complete ring. For the specific stress requirements of inserting or pulling out each standard coil size, in the design of the socket and plug, the spring can be placed in the groove.

Spring touch some little knowledge

Spring touch fingerIt is a circular spiral spring whose coils are elliptical and inclined. When compressed, each coil will deform independently. No matter which part of the coil is deformed, the entire spring will be counteracted so that the load at each contact point is consistent.

For the connector, the ends of the spring will be welded together to form a complete ring. For the specific stress requirements of inserting or pulling out each standard coil size, in the design of the socket and plug, the spring can be placed in the groove. When the convex groove is inserted into the groove, the oblique coil spring of the spring contact finger will deform under continuous spring stress and will produce resistance until the spiral matches the groove. At this time, the load of the coil and the design of the slot will produce a continuous spring stress, which requires a corresponding pulling force to disconnect the two parts. The radial canted ring spring plays two key roles in the snap of the micro connector and can reduce the number of parts in the system.

弹簧触指

Spring touch fingerIt provides dual functions, which can be used as a mechanical connector and can also maintain the circuit between the male connector and the female connector, thereby reducing RF interference, and the interconnection design of electronic devices is more complicated. Compact design and simple installation provide a new test for interconnect design in military, industrial and commercial applications. The speed of circuits is increasing, while the size of electronic components is decreasing. Therefore, the connector needs to process more signals at a higher speed in a smaller space, or the more contacts in a more compact space, the smaller the size of the connector. Spring contact refers to its unique elastic-deformation curve, wide working range-the allowable compression of the spring can reach 35%, relatively stable elastic force can reduce the wear caused by temperature difference, tolerance and other deviations, and each spring ring can play an independent role.

Due to the particularity of the spring contact finger, the stiffness evaluation of the ordinary spring is transformed into the evaluation of the spring clamp tension. The test of this indicator is carried out under simulated working conditions: first, a force is applied to the spring contact finger, and then the deformation is observed to evaluate the "soft" and "hard" degree of the spring. This indicator is directly related to whether the opening and closing of the high-voltage switch is smooth. Testing this indicator requires a dynamometer and a set of fixtures to simulate the working state of the spring contact finger. Due to technical confidentiality, the manufacturer has not provided a more specific inspection plan. After studying the contact system, the following three detection schemes are proposed:

1, willSpring touch fingerDisconnect from the welding point, fix one end and connect the other end to the dynamometer, apply different forces to the dynamometer, record the spring elongation under each force, make the stress-strain curve, and then select the spring contact finger that is more in line with our products; 2. Simulate the working state of the spring contact finger, design a set of fixture, apply force F on the shaft of the simulated conductor, so that the shaft drops the same height h, contacts with different stiffness need different forces, so choose the products suitable for your company. 3. Apply 2 or 3 turns of force and record the change of dimension H at the same time, so that a series of forces and corresponding H can be obtained, and the products suitable for your company can be selected according to the measurement results.

nantong moore new material technology co., ltd. main products are watchband contact finger, spring contact finger, composite watchband contact finger, brass, copper wire, connector, spring contact, copper alloy spring and so on. Nantong Moore New Material Technology Co., Ltd. is developed from its predecessor Nantong Moore Electric Co., Ltd., which is an enterprise specializing in the design, development and research of high-strength and high-conductivity alloy materials and electrical connection products. Companies in the industry has achieved a high degree of recognition and reputation of the majority of customers. The company in line with professional advanced, pioneering spirit, set up rigorous and pragmatic, the basic concept. To do a product, cast a boutique for the purpose of the enterprise, and give full play to the characteristics of flexible and diverse enterprises, intentions to serve every customer.


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