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Torque Of A Motor Calculator

Torque Formula:

\[ T = \frac{HP \times 5252}{RPM} \]

HP
rev/min

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1. What is the Torque Formula?

The torque formula calculates the rotational force produced by a motor based on its horsepower and RPM. It provides an accurate assessment of a motor's twisting force output, which is essential for mechanical applications.

2. How Does the Calculator Work?

The calculator uses the torque formula:

\[ T = \frac{HP \times 5252}{RPM} \]

Where:

Explanation: The formula demonstrates the inverse relationship between torque and RPM for a given horsepower, with 5252 being the conversion constant between horsepower and torque.

3. Importance of Torque Calculation

Details: Accurate torque calculation is crucial for motor selection, mechanical design, power transmission systems, and ensuring proper performance in various industrial applications.

4. Using the Calculator

Tips: Enter horsepower and RPM values. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Why is 5252 used in the torque formula?
A: 5252 is the conversion constant that results from the relationship between horsepower, torque, and RPM, where 1 horsepower equals 550 foot-pounds per second.

Q2: What are typical torque values for electric motors?
A: Torque values vary significantly based on motor size and type, ranging from less than 1 lb-ft for small motors to several thousand lb-ft for large industrial motors.

Q3: How does torque relate to motor performance?
A: Torque determines a motor's ability to perform work. Higher torque means better ability to overcome resistance and maintain rotation under load.

Q4: Are there limitations to this formula?
A: This formula provides theoretical maximum torque and assumes 100% efficiency. Actual torque may vary due to mechanical losses, efficiency factors, and operating conditions.

Q5: Can this formula be used for all types of motors?
A: While the fundamental relationship applies to all rotational systems, specific motor types (electric, hydraulic, pneumatic) may have additional factors affecting torque output.

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