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The material can be propelled into the air slightly under conditions of high sag and high belt speed. This condition may slightly increase belt wear, material degradation, idler loading, power requirements and dust generation.

If the calculated maximum belt speed without causing material liftoff is less than 150% of the actual belt speed, the value is printed on the Output Tension table located on the Profile Tab. If the calculated liftoff speed is within 10% of the actual belt speed, the value is printed in black to highlight it. If the calculated liftoff speed is less than 90% of the actual belt speed, the value and the tab icon are yellow as a warning.

See Also: Output Tension