Features and Benefits include:

• Automatically counter balanced for maximum control performance.
• Maximum stability.
• Large material storage.
• Accommodates a wide range of web widths.
• Electrically and/or pneumatically operated clutches, brakes and drive motors.
• Lead-in and lead-out idlers.
• Self-contained, free standing design.
• Cantilevered mounting available for narrow width applications.
• Air or mechanical loading.
• Constructed of structural steel weldments for maximum strength and rigidity.
• Ideal for all web-fed converting equipment.
• Well suited for all types of web materials - paper, film, foil, plastic, nonwovens, textiles, etc.
• Can be used to advantage in either unwind or rewind applications.
• Designed to exact customer requirements - easily retrofits to existing web lines and equipment.
• Backed by CAC's over 30 years of experience designing and manufacturing Dancer Rolls.

Tension is set by the amount of air pressure on the air cylinder, which is a rolling diaphragm ball bushing type. This pressure is controlled by a precision regulator and is used to load the dancer. The dancer roll controls a potentioner, whose output controls the brake output.