| Environment | Equipment to be Protected | Sources of Vibration-Shock- Noise |
Other Destructive or Deteriorative Conditions |
Applicable Specifications and Typical Vibration, Shock, Noise Input |
Desirable Isolator Characteristics |
Applicable Barry Isolators or Systems | |
|---|---|---|---|---|---|---|---|
Trucks & Buses |
Cargo and passengers. Indicators and controls. Mechanical, electrical, hydraulic, pneumatic operating components. |
Engine. Normal road shock. Off-road terrain |
Heat and cold. Humidity. Lubricants. Chemicals, hydraulic fluids, etc. Sunlight and ozone. |
Function of vehicle suspension system and road conditions. |
Attenuate high-frequency road shock and transient vibrations. |
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| Heavy Truck & Construction Equipment
On highway, Off highway. |
Passenger (safety & comfort). Structure of vehicle (reduce fatigue). Personnel in the surrounding areas (noise reduction). Communication equipment. Mechanical, electrical hydraulic, and pneumatic operating components. |
Engine. Normal road shock. Off-road terrain. |
Heat and cold. Humidity. Lubricants. Chemicals, hydraulic fluids, etc. Sunlight and ozone. |
Function of vehicle suspension, road & terrain condition. | Attenuate high frequency road & terrain shock and transient vibrations. |
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| Recreational Vehicles
Boats., Snowmobiles, Golf Carts, Trail Bikes, Motorcycles, Motor Home. |
Passenger (safety & comfort). Structure of vehicle (reduce fatigue). Personnel in the surrounding areas (noise reduction). Communication equipment. Mechanical, electrical hydraulic, and pneumatic operating components.. |
Power plant. Choppy waters. Rough terrain. |
Oil. Sunlight. Ozone. Humidity. Salt Spray |
Operating speeds of power plant. Typical shock input 8 to 10 g’s. or greater. |
Low natural frequency (5 to 15 Hz) Low cost. Facilitate installation. Provide cushioned bottoming. |
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| Farm Equipment
Tractors, Harvesters, Planters, Spreaders. |
Passenger (safety & comfort). Structure of vehicle (reduce fatigue). Personnel in the surrounding areas (noise reduction). Communication equipment. Mechanical, electrical hydraulic, and pneumatic operating components. |
Power plant. Rough terrain. Accessory equipment. |
Oil. Sunlight. Ozone. Humidity. |
Operating speeds of power plant. Typical shock input 2 to 5 g’s. |
Low natural frequency (5 to 15 Hz) Low cost. Facilitate installation. Provide cushioned bottoming. |
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| General Marine and Small Boats
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Navigation and communications gear. Sonar; Radar. Engines; Generators.Instruments, indicators, gages, etc. |
Power plant. Outboard motors. Pumps. Heavy seas. Engine generators. |
Salt spray. Oil. Humidity. Fungus. Sunlight and ozone. |
Typical Vibration Input: 5-100 Hz .005” to .050” D. A. Typical Shock Input: 8 to 10 g’s. |
Low frequency vibration isolation to minimize energy transmission. High-frequency isolation for shock protection and minimum noise transmission. |
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