Pneumatic Rotary Vibrators generate vibratory force by producing consistent waves of energy as a result of unbalanced weight rotating within a cylindrical housing. The larger the housing diameter and width, the heavier the weight, and the faster the weight rotates – the greater the vibratory force output. Pneumatic rotary vibration is ideal where a bulk material flow problem is best solved by applying force over a large surface area, eg, over the 3' to 8' length of bin wall or chute, or for keeping product moving along conveyor or packaging lines.
There are four classifications of Pneumatic Rotary Vibrators each using a different type of unbalanced weight: Ball, Roller, Turbine, and Motor-driven Eccentric. Each vibrator classification has multiple models that vary in: size, mounting style, lubrication needs; noise rating; speed, amplitude, and centrifugal force output based on your plant’s supplied PSI and CFM. Vibrator types also vary by manufacturing material, physical design, and finish. There’s a vibrator that will meet the needs of any manufacturing, processing or packaging application, any OEM industry requirement, and any environmental demand.
The industry’s first, and still popular, pneumatic rotary vibrators feature a steel ball circling raceways within a vibrator housing. This simple yet effective design remains a popular and cost-effective solution for addressing flow issues. It efficiently keeps dry bulk solids flowing and helps small parts, glass bottles, and tin cans to settle or move along a conveyor, thanks to models operating at speeds up to 30,000 RPM and generate forces of up to 1,000 lb-ft.
These powerful pneumatic rotary vibrators utilize one or two steel rollers (a roller within roller) which rotate within a vibrator housing. The tough, long-lasting design of these pneumatic rotary vibrators offers a very powerful, long-lasting solution to flow problems. Models operating at speeds up to 30,000 RPM and generating forces of up to 15,000 lb-ft, roller pneumatic rotary vibrators effectively keep wet or dry bulk solids flowing out of large bins, trucks, and railcars, through screeners, and in concrete forms.
The quietest pneumatic rotary vibrators in the industry feature a turbine wheel revolving within a vibrator housing. In addition to reduced noise levels, their lubrication-free design offers a reliable solution to flow problems. Models operating at speeds up to 46,000 RPM and generating forces of up to 10,000 lb-ft, these pneumatic rotary vibrators effectively keep dry bulk solids moving out of hoppers, trucks, and railcars, and facilitate the movement of parts, cans, and jars along conveyors.
Motor-driven pneumatic rotary vibrators feature an external motor that drives shaft-mounted eccentric weights within a heavy-duty ductile iron housing. These vibrators generate a powerful, uniform force of up to 25,000 lb-ft at frequencies ranging from 4000 to 5000 RPM when operated at 80 PSI. These motor-driven pneumatic rotary vibrators are available in permanent mount configurations with 2, 4, or 6 bolts, or as a portable clamp-on mount. Motor-driven pneumatic rotary vibrators are used in various applications, including unloading or loading railcars, large bins and hoppers, foundry shake-out operations, and refractory applications.
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