Home
Back
Formula Used:
| From: | To: |
The Shaft Diameter Given Force on Key calculation determines the required diameter of a shaft when the transmitted torque and force on the key are known. This is essential for ensuring proper mechanical design and preventing failure in keyed shaft assemblies.
The calculator uses the formula:
Where:
Explanation: This formula calculates the shaft diameter based on the relationship between transmitted torque and the force applied to the key, ensuring the shaft can handle the mechanical loads.
Details: Accurate shaft diameter calculation is crucial for mechanical integrity, preventing shear failure of the key, and ensuring reliable power transmission in machinery.
Tips: Enter transmitted torque in N·m and force on key in N. Both values must be positive numbers greater than zero for valid calculation.
Q1: Why is shaft diameter important in key design?
A: Proper shaft diameter ensures that the key and shaft can withstand the transmitted torque without failure, maintaining mechanical safety and reliability.
Q2: What units should be used for input values?
A: Torque should be in Newton-meters (N·m) and force in Newtons (N) for consistent results in meters for diameter.
Q3: Can this formula be used for any material?
A: This formula provides a basic mechanical relationship but material-specific factors like shear strength should be considered for complete design validation.
Q4: What if the calculated diameter seems too small?
A: Always verify calculations with safety factors and consider additional constraints like deflection, critical speed, and manufacturing standards.
Q5: Are there limitations to this calculation?
A: This calculation provides a theoretical minimum diameter. Actual design should incorporate safety factors, material properties, and application-specific requirements.