![]() Long life, Maintenance free, Temperature extremes, Corrosion resistance, All axes protection Highly substantial (heavy engines, machinery––during transit or while in operation, even in a moving vehicle).Įxplosive blast, Inherent vibration, Storms.Very fragile (electronic equipment, computer hardware, optical devices).Helical isolators protect a broad range of loads: All-metal construction makes our isolators virtually impervious to severe environments, and maintenance free.Our isolators provide protection in all axes simultaneously.The isolator operates well in any position: in compression, extension, shear, and roll.The wire rope (ranging in diameter from 1/16” to 1”+) and its helix configuration provide the specific resilience required to cushion fragile loads as small as a few pounds or substantial loads of many thousands of pounds, and absorb vibration through a wide frequency spectrum. ![]() Our helical vibration isolators (also referred to as spring vibration isolators) are made of aircraft quality stainless steel cable, wound into metal retaining bars prepared for surface mounting.What makes John Evans’ isolators so effective? Helical mounts provide a coulomb damping of 15-17% of critical (C/Cc). ![]() However, the helical isolator, also known as a helical mount or a cable mount, provides a higher level of isolation from shock and vibration than any other type of isolation device. ![]() Typically, protection from shock and absorption of vibration is accomplished through the combination of a resilient element (metal mesh, an elastomer, a steel spring, etc.) and a metallic supporting frame. What added benefits do isolators provide? Shock and vibration influence the performance and life expectancy of nearly every kind of mechanical and electrical device, large or small. Why is shock and vibration protection so important? John Evans’ helical vibration isolators provide the ultimate in shock and vibration protection. ![]()
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