John Evans Sons HM10125 Helical Isolator 1.8in O.D.
John Evans Sons HM10125 Helical Isolator 1.8in O.D.
SKU:HM1-e59ef1
Experience unmatched shock and vibration protection with the John Evans Sons HM10125 Helical Isolator - ideal for fragile electronics to heavy machinery.
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$199.99
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$199.99
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John Evans Sons HM10125 Helical Isolator 1.8in O.D.
$199.99
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John Evans Sons HM10125 Helical Isolator 1.8in O.D.
$199.99
Quantity: 1
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The John Evans Sons HM10125 Series 1.8-inch Helical Isolator provides superior shock and vibration protection with an average compression rate of 170 lb/in and maximum deflection of 0.7 inches. Made with aircraft-quality stainless steel cable and aluminum alloy retaining bars, this isolator offers coulomb damping of 15-17% of critical, ensuring exceptional performance in various applications. From fragile electronic equipment to heavy machinery, this helical isolator operates effectively in all positions, providing maintenance-free, corrosion-resistant, and all-axis protection.
Product Specifications
Additional Information Additional Information
Why is shock and vibration protection so important?Shock and vibration influence the performance and life expectancy of nearly every kind of mechanical and electrical device, large or small.What added benefits do isolators provide?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. 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. Helical mounts provide a coulomb damping of 15-17% of critical (C/Cc).What makes John Evans' isolators so effective?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.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.The isolator operates well in any position: in compression, extension, shear, and roll.Our isolators provide protection in all axes simultaneously.All-metal construction makes our isolators virtually impervious to severe environments, and maintenance free.
Applications Applications
Helical isolators protect a broad range of loads:Very fragile (electronic equipment, computer hardware, optical devices).Highly substantial (heavy engines, machinery - during transit or while in operation, even in a moving vehicle).Application - ShipboardTypical Equipment - Electronics, Computers, MachineryProtection From - Explosive blast, Inherent vibration, StormsOperational Advantages - Long life, Maintenance free, Temperature extremes, Corrosion resistance, All axes protectionApplication - Rough Terrain VehiclesTypical Equipment - Instrumentation, Generators, ElectronicsProtection From - Rough terrain, Poor road conditions, CollisionOperational Advantages - Long life, Maintenance free, Temperature extremes, Ozone, Radioactivity, UV RadiationApplication - AircraftTypical Equipment - Electronics, ComputersProtection From - High-G maneuvering, Hard landings, Turbulent airOperational Advantages - Temperature and altitude extremes, LightweightApplication - Shipping ContainersTypical Equipment - Optics, Instruments, Missiles, ElectronicsProtection From - Transit, Handling drop, Loading/UnloadingOperational Advantages - Long life, Maintenance free, Exposure to moisture, Repeated useApplication - Industrial EquipmentTypical Equipment - Centrifuge, Dryers, PumpsProtection From - Unbalanced dynamic loads, Fluid hammer, Inherent vibration, Foundation weaknessOperational Advantages - Long life, Maintenance free, Corrosive environmentsOrdnance EquipmentTypical Equipment - Missile launcher, Tank artillery, Computer controls, ElectronicsProtection From - Rough terrain, Railroad humping, TransitOperational Advantages - Maintenance free, Temperature extremes, Nearby blastApplication - Medical EquipmentTypical Equipment - Mechanical equipment necessary for patient careProtection From - Vibration from moving parts, Mobile carts-Transport shockOperational Advantages - Maintenance free, No outgassing, Can be sterilizedChimneysTypical Equipment - Chimneys, Scrubbers, Measuring devicesProtection From - Wind causing resonant frequencies, Stack gas causing turbulence near scrubber, etc.Operational Advantages - Maintenance free, Temperature extremes, Corrosive environments
Options Options
Iridited aluminum bars are standard; however, other materials and finishes can be used.Variations in cable configuration are available if the standard is not suitable.From basic transportation to aerospace, there is an application for Helical Isolators from America's Oldest Springmaker.
Specifications Average 45 Degree Compressionroll Rate
56 lb/in
Specifications Average Compression Rate
170 lb/in
Specifications Average Shear And Roll Rate
129 lb/in
Specifications Cable
Stainless Steel per MIL-W-83420
Specifications Cable Diameter
1/8 in
Specifications Dimension H
1.5 in
Specifications Maximum 45 Degree Compressionroll Deflection
1.3 in
Specifications Maximum Compression Deflection
0.7 in
Specifications Maximum Shear And Roll Deflection
0.8 in
Specifications Outside Dimension Od
1.8 in
Specifications Retaining Bars
Aluminum Alloy - 6061-T6 -Iridited per MIL-C-5541
Specifications Retaining Clips
Stainless Steel
Specifications Shape
Helical