Belt Speed Calculator

Calculate belt speed from motor parameters through drive system

Motor Parameters

Drive System

Pulley Dimensions

Motor No-Load Speed

0 rpm

Motor Speed (with slip)

0 rpm

Pulley Speed

0.0 rpm

Effective Pulley Diameter

0 mm

Includes lagging and belt thickness

Belt Speed

0.00 m/s

About Belt Speed Calculation

Calculation Steps:

  1. Motor no-load speed = (120 × Frequency) / Number of Poles
  2. Motor speed = No-load speed × (1 - Motor Slip)
  3. Pulley speed = Motor speed / (Gearbox Ratio × External Ratio) × (1 - Coupling Slip)
  4. Effective diameter = Pulley diameter + 2 × (Lagging + Belt thickness)
  5. Belt speed = π × Effective diameter × Pulley speed / 60,000

Units:

  • All speeds in metric (m/s, rpm)
  • Diameters and thicknesses in mm