Belts and Pulleys. Why Belts and Pulleys Transmitting power (long distances) Conveyer belts May simplify the cost and design of the machine Increase machine.

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Presentation transcript:

Belts and Pulleys

Why Belts and Pulleys Transmitting power (long distances) Conveyer belts May simplify the cost and design of the machine Increase machine life (damping vibrations) Vacuum your floor

Types of Belts

..And More Belts

Transmits up to 5000kW of power Flat Belts

Round Belts

Construction of Belts

Design Guidelines For Timing Belts Friction and Creep Tension Member Tensile Strength Flexibility Tooth shear strength

Tension Member Tensile Strength Allowable tensile load on belt cross section. Don’t forget about start up and acceleration.

Flexibility and Fatigue Drive without contraflexureDrive with contraflexure

Tooth shear strength The more belt teeth in mesh attainable, the better the load is spread. The shear strength calculation is based on the smallest pulley in the configuration.

Actual Load Distribution

Pulleys

All types Pick a pulley to match your belt Many types of materials (common: Aluminum, Steel, Nylon) Consider load requirements

Thank You! All questions will now be directed to Dr. Chase