1. What is the Mean Radius of Spline of Shaft?

The Mean Radius of Spline of Shaft is defined as half the average of major and minor diameter of the spline. It represents the average radial distance from the center of the shaft to the spline surface.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( R_m \) — Mean Radius of Spline of Shaft (m)
• \( D \) — Major Diameter of Spline Key Shaft (m)
• \( d \) — Minor Diameter of Spline Key Shaft (m)

Explanation: The formula calculates the average radius by taking the sum of the major and minor diameters and dividing by four.

3. Importance of Mean Radius Calculation

Details: Accurate calculation of mean radius is crucial for mechanical design, stress analysis, and proper fitting of splined connections in various engineering applications.

4. Using the Calculator

Tips: Enter both major and minor diameters in meters. All values must be positive and valid for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is the difference between major and minor diameter?
A: Major diameter is the outside diameter of the external surface of a spline, while minor diameter is the innermost surface diameter.

Q2: Why is mean radius important in spline design?
A: Mean radius helps in determining the effective contact area and load distribution across the spline teeth.

Q3: Can this formula be used for both internal and external splines?
A: Yes, the formula applies to both internal and external splines when proper diameter measurements are used.

Q4: What units should be used for input values?
A: The calculator uses meters as the default unit, but consistent units must be maintained for accurate results.

Q5: How accurate is this calculation?
A: The calculation provides theoretical mean radius based on geometric dimensions. Actual measurements may vary based on manufacturing tolerances.