Home Back

Torque Calculator For Gearbox

Torque Equation:

\[ T_{out} = T_{in} \times \text{gear\_ratio} \times \text{eff} \]

Nm
dimensionless
dimensionless

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Torque Equation For Gearbox?

The torque equation for gearbox calculates the output torque based on input torque, gear ratio, and efficiency. It demonstrates how mechanical systems transform torque through gearing mechanisms.

2. How Does the Calculator Work?

The calculator uses the torque equation:

\[ T_{out} = T_{in} \times \text{gear\_ratio} \times \text{eff} \]

Where:

Explanation: The equation shows how torque is multiplied by the gear ratio and reduced by efficiency losses in the system.

3. Importance of Torque Calculation

Details: Accurate torque calculation is crucial for gearbox design, mechanical system analysis, power transmission efficiency, and ensuring proper component sizing.

4. Using the Calculator

Tips: Enter input torque in Nm, gear ratio (dimensionless), and efficiency (0-1). All values must be valid positive numbers with efficiency between 0 and 1.

5. Frequently Asked Questions (FAQ)

Q1: What is gear ratio?
A: Gear ratio is the ratio of the number of teeth on two meshing gears, determining the mechanical advantage and speed reduction/increase.

Q2: Why is efficiency less than 1?
A: Efficiency accounts for energy losses due to friction, heat, and other mechanical losses in the gear system.

Q3: What are typical efficiency values?
A: Well-designed gear systems typically have efficiencies between 0.85-0.98, depending on gear type, lubrication, and manufacturing quality.

Q4: Can this equation be used for multiple gear stages?
A: For multiple gear stages, the overall gear ratio is the product of individual stage ratios, and efficiency is the product of individual efficiencies.

Q5: How does torque relate to power?
A: Power (W) = Torque (Nm) × Angular Velocity (rad/s). The gearbox changes torque and speed while conserving power (minus efficiency losses).

Torque Calculator For Gearbox© - All Rights Reserved 2025