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Torque Speed Calculator

Torque Speed Formula:

\[ \text{Speed (RPM)} = \frac{\text{Power (W)} \times 60}{\text{Torque (N·m)} \times 2 \times \pi} \]

W
N·m

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1. What is the Torque Speed Equation?

The Torque Speed equation calculates rotational speed (RPM) from power and torque values. It's a fundamental formula in mechanical engineering that describes the relationship between these three key parameters in rotating systems.

2. How Does the Calculator Work?

The calculator uses the torque speed equation:

\[ \text{Speed (RPM)} = \frac{\text{Power (W)} \times 60}{\text{Torque (N·m)} \times 2 \times \pi} \]

Where:

Explanation: The equation converts power and torque values into rotational speed, accounting for the conversion between angular and linear measurements.

3. Importance of Speed Calculation

Details: Accurate speed calculation is crucial for designing mechanical systems, selecting appropriate motors and gearboxes, and optimizing performance in various applications from automotive to industrial machinery.

4. Using the Calculator

Tips: Enter power in watts and torque in newton-meters. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What units should I use for this calculation?
A: Power should be in watts (W) and torque in newton-meters (N·m) for accurate results in RPM.

Q2: Can I use different power units?
A: Yes, but you'll need to convert to watts first (1 HP = 745.7 W, 1 kW = 1000 W).

Q3: What is the practical application of this formula?
A: It's used in motor selection, gearbox design, and performance analysis of rotating machinery across various industries.

Q4: Does this formula account for efficiency losses?
A: No, this is the theoretical calculation. Actual speed may vary due to efficiency losses, friction, and other real-world factors.

Q5: Can this be used for electric motors?
A: Yes, this formula applies to all rotating machinery including electric motors, but note that motor characteristics may affect actual performance.

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