Springs are used to convert the vibration from the drive to tray thus causing product to move. Springs come in a variety of materials, sizes and configurations. From thin sheets of fiberglass to dense rubber compounds to thick steel coils. Each material is designed for specific applications. In some applications, a combination of spring materials may be used.
1.Fiberglass Springs (or boards)
The most popular spring configuration for light and medium duty applications. Fiberglass springs of varying lengths, widths and thickness are mounted on the moving mass of the drive and are attached to the tray or trough. Small electromagnetic feeders, light duty conveyors and most high precision vibratory equipment use fiberglass or multiple pieces of fiberglass as their primary spring action material.
2.Dense Rubber Springs
Typically used on heavy-duty feeders and conveyors to provide stability and motion control between the drive and the tray. However, rubber springs are limited to use in environments below 120˚F.
3.Steel Coil Springs
Commonly used in heavy duty and high temperature applications. These coils are effective in ambient temperatures up to 300˚F and offer low replacement cost.
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