1. What is Motor Reduction Ratio?

The motor reduction ratio is the ratio between the rotational speed of the motor (input) and the rotational speed of the load (output). It determines how much the speed is reduced and torque is increased through a gear system.

2. How Does the Calculator Work?

The calculator uses the reduction ratio formula:

Where:

• \( \text{RPM}_{\text{motor}} \) — Motor speed in revolutions per minute
• \( \text{RPM}_{\text{load}} \) — Load speed in revolutions per minute

Explanation: The ratio shows how many times the motor speed needs to be reduced to achieve the desired load speed. A ratio of 10:1 means the motor turns 10 times for each output revolution.

3. Importance of Reduction Ratio

Details: Proper gear reduction is crucial for matching motor performance to load requirements. It affects torque, speed, efficiency, and system longevity.

4. Using the Calculator

Tips: Enter motor speed (RPM) and desired load speed (RPM). Both values must be positive numbers. The result shows the required reduction ratio (X:1).

5. Frequently Asked Questions (FAQ)

Q1: What's a typical reduction ratio range?
A: Common ratios range from 3:1 to 100:1, with higher ratios used for high-torque, low-speed applications.

Q2: How does ratio affect torque?
A: Torque increases proportionally with the reduction ratio (minus efficiency losses). A 10:1 ratio theoretically provides 10x the torque.

Q3: Can I use this for belt/pulley systems?
A: Yes, the same ratio calculation applies to any speed reduction system including gears, belts, and chains.

Q4: What if my motor has variable speed?
A: Use the motor's base speed or maximum operating speed for conservative gearing calculations.

Q5: How do I implement this ratio?
A: You'll need appropriate gearing (gear train, planetary gearbox, etc.) that matches your calculated ratio.