Application of Wire Rope Isolator for Vibration Damping in Vibration and Shock Isolation

With the deepening of isolation research and the development of isolation technology, nonlinear isolators suitable for various occasions have emerged. Laminated springs for the automotive industry are widely used in China. The principle is to use the dry friction between the steel plates to reduce the vibration and impact caused by the unevenness of the road. There are metal conical coil springs for the civil industry, as well as air springs.

During the entire deformation process of the wire rope shock mounts, sliding friction will occur between each wire rope, which consumes a large amount of energy and has a high equivalent damping ratio. Moreover, the wire rope anti vibration mounts exhibit nonlinear softening characteristics in a large deformation range, the stiffness decreases as the deformation increases, and the vibration isolation rate increases. Therefore, the good broadband isolation performance of the wire rope isolator for vibration damping is especially suitable for the application of vibration and shock environment isolation.

The wire rope shock mounts have only been developed in the last 30 years. Compared with the above-mentioned isolators, it has four distinct advantages:

①Nonlinear soft characteristics;

②Multi-directional isolation, high damping ratio;

③Corrosion, high and low temperature resistance;

④Compact structure and light weight.

At present, the common wire rope anti vibration mounts have several types of spiral, arch and ring. But in either case, they are made of stainless steel wire rope wound or bent. Their common advantage is the three-way protection of the equipment, reliable operation in high temperature and harsh environments, wide load range, unlimited storage period and service life. In terms of impact resistance, it can achieve maximum impact attenuation in a minimum space, and its vertical allowable deformation can reach 40~60% of the height of the vibration isolator. In foreign countries, they are used in the transportation of some equipment to replace the impact-resistant packaging of raw plastics and rubber. Rocket and missile transport vehicles also use it. In terms of ships, it passed the tests of light impact machines, heavy impact machines and floating impact platforms to meet the requirements of MIL-S-901 and MIL-STD-167. The wire rope isolator has excellent durability and fatigue. A vibration isolator with a diameter of 2.4 mm has been tested for up to 150 hours and seven million tests at 13 Hz and ±1.5 mm amplitude. The result is safe and sound.

For a 1.5mm wire rope isolators dampingwith a 1.5mm diameter, a sweep vibration test up to 10KHZ was performed, and the vibration isolation effect was 95%. This proves that the wire rope isolator for vibration dampingcan isolate small amplitude and structural noise. Wire rope anti vibration mounts are widely used in vibration and shock isolation of instruments, instruments, control boxes, etc., and some of the original rubber vibration isolators have been replaced by wire rope shock mounts.

Xi'an Hoan Microwave Co. Ltd., headquartered in China, Xi’an city, was founded in 2005, is a premier supplier of Industry Energy Absorption and Vibration Isolation Products. Contact us today to see how our wire rope mountscan benefit your special equipment application demands or in any way that we can help you meet your production requirements.

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