1. What is Gear Module?

The module is a fundamental parameter in gear design that represents the size of the gear teeth. It is defined as the ratio of the pitch diameter to the number of teeth and is typically measured in millimeters.

2. How Does the Calculator Work?

The calculator uses the module formula:

Where:

• Pitch Diameter — Diameter of the pitch circle (mm)
• Number of Teeth — Total number of teeth on the gear

Explanation: The module determines the size and spacing of gear teeth, which is crucial for proper meshing and power transmission between gears.

3. Importance of Module Calculation

Details: Accurate module calculation is essential for gear design, manufacturing, and ensuring proper gear meshing in mechanical systems. It affects the gear's strength, durability, and performance characteristics.

4. Using the Calculator

Tips: Enter pitch diameter in millimeters and number of teeth as a whole number. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is the standard range for gear modules?
A: Gear modules typically range from 0.5 mm to 25 mm, with smaller modules used for precision instruments and larger modules for heavy machinery.

Q2: How does module relate to gear size?
A: Larger module values indicate larger gear teeth, which generally means stronger gears capable of transmitting more power.

Q3: Can modules be mixed in a gear system?
A: No, gears that mesh together must have the same module to ensure proper tooth engagement and smooth operation.

Q4: How is module different from diametral pitch?
A: Module (metric system) is the inverse of diametral pitch (imperial system). Module = 25.4 / Diametral Pitch.

Q5: What are common standard module values?
A: Common standard modules include: 0.5, 0.8, 1.0, 1.25, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 16.0, 20.0, and 25.0 mm.