⚙️ Torque & Inertia Calculation

Motor load torque and rotor inertia calculators

🔩 Screw Speed Calculation

Distance / mm

Screw lead / mm

Time to complete / s

Required motor revolutions / r

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Motor speed / rpm

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⛓ Belt Speed Calculation

Distance to travel / mm

Pulley diameter / mm

Required time / s

Required motor revolutions / r

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Motor speed / rpm

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🔧 Screw Torque Calculation

Object weight / kg

Screw lead / mm

Reduction ratio

Load torque (horizontal)

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Load torque (vertical)

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🔧 Belt Torque Calculation

Object mass / kg

Pulley diameter / mm

Friction coefficient

Reduction ratio

Load torque (horizontal)

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Load torque (vertical)

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🌀 Inertia Calculation

🔩 Screw inertia

Screw lead / mm

Screw diameter / mm

Screw weight / kg

Load weight / kg

Reduction ratio

Rotor inertia (no gearbox) / kg·m²

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Rotor inertia (with gearbox) / kg·m²

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J = (L/2π)² × W_L/100 + W_S/8 × D²/100

⛓ Belt / roller / turntable inertia

Roller diameter / mm

Roller weight / kg

Belt + load weight / kg

Reduction ratio

Rotor inertia (no gearbox) / kg·m²

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Rotor inertia (with gearbox) / kg·m²

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J = (W_B) × (D/20)² + W_R/8 × (D/10)²

⚠ Check the inertia formulas carefully. · Input values then the results update automatically.