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Two Pulley Connecting Belt Design and Calculations

Mechanics & Machine Calculations

The following equations will determine: Speed Ration, Arc of contact, Tension ration for belt about to slip, Power Capacity, Pulley Torque, Initial Tension

Symbols Used in Calculations

Pulley Speed Ratio

Two Pulleys Belt

Tension ratio for belt about to slip:

Tension Ratio Belt

Power capacity:

Belt Power Capacity

Pulley Torque

Pulley Torque Equation

Pulley Initial Tension

Pulley Initial Tension

Effect of centrifugal force: the belt tensions are reduced by mv2 so that:

Pulley Centifugal FOrce