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Firestone Marsh Mellow Springs
Materials Handling Equipment
Expanded ranges of compact and highly efficient isolators that eliminate damage and production interruptions caused by coil spring breakages are being introduced by Air Spring Supply.
Marsh Mellow Springs
Firestone Marsh Mellow springs are engineered for immense strength and longevity with a hollow centres surrounded by a solid rubber core and fabric ply reinforced body to deliver constant vibration isolation with changing loads.
Features of Marsh Mellow Springs
- High load carrying capacity because of their superior deflection
capabilities and the load carrying influences of the fabric
reinforcement. This means they can carry a greater load than an all
rubber part of the same modulus and dimensions at a superior natural
frequency.
- Increased stability at higher percentages of compression. As
height compresses, the fabric reinforced rubber plies pantograph and
the diameter grows. This supports the rubber core laterally even in an
emergency at 30 to 40 per cent compression.
- Lower cost. Marsh Mellow springs’ higher load capability means fewer springs may be needed in an application, resulting in less overall cost.
Their unique construction delivers low natural spring frequencies to provide excellent isolation of forced frequencies in the range of 13-20-HZ (800-1200 cycles a minute).
Vibration and Noise Control
This outstanding performance and a maximum load range now extending from 1.4 kN up to 88 kN (on special order) makes them particularly suitable for vibration isolation applications beneath such equipment as bin hoppers, compressors, crushers, blowers, motors, HVAC installations and vibrating screens.
Shock Absorbers
Marsh Mellow springs also make ideal shock absorbers for conveyors, steel products, timber products and other materials handling applications, articularly in mills and mines where their corrosion resistant durability means they will survive damp and corrosive environments where standard coil springs may fail.
Marsh Mellow springs have no moving parts and require no maintenance or lubrication, so they are ideal for applications in grimy and demanding environments such as mining and resources, bulk materials handling, manufacturing, metals and primary product processing.
Occupational Health and Safety
Marsh Mellow springs feature vibration control, reducing structurally transmitted noise caused by vibration and because of this, Marsh Mellow springs have considerable OHS and comfort benefits by being quiet in operation unlike coil springs, which often suffer coil chatter and readily transmit high frequency structural noise.
Loads
Their terrifically rugged rubber construction eliminates the problem with coil springs of cracking to allow fragments of metal to damage equipment. Additionally, Marsh Mellow springs exhibit exceptionally high overload characteristics and offer some support even during failure.