Hydraulic Motor Calculation Formula

Hydraulic Motor Torque Formula:

\[ Torque_{motor} = \frac{Disp \times P \times \eta}{2\pi} \]

Motor Torque (Torque_motor):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the Hydraulic Motor Torque Formula?

The hydraulic motor torque formula calculates the torque output of a hydraulic motor based on its displacement, system pressure, and efficiency. This is essential for designing and analyzing hydraulic systems.

2. How Does the Calculator Work?

The calculator uses the hydraulic motor torque formula:

\[ Torque_{motor} = \frac{Disp \times P \times \eta}{2\pi} \]

Where:

\( Torque_{motor} \) — Motor torque output (Nm)
\( Disp \) — Motor displacement (cm³/rev)
\( P \) — System pressure (bar)
\( \eta \) — Motor efficiency (unitless, 0-1)
\( 2\pi \) — Mathematical constant

Explanation: The formula calculates the theoretical torque output of a hydraulic motor based on its physical characteristics and operating conditions.

3. Importance of Hydraulic Motor Torque Calculation

Details: Accurate torque calculation is crucial for proper hydraulic system design, component selection, and ensuring the motor can provide sufficient torque for the intended application.

4. Using the Calculator

Tips: Enter motor displacement in cm³/rev, system pressure in bar, and efficiency as a decimal value between 0 and 1. All values must be valid positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is motor displacement?
A: Motor displacement refers to the volume of fluid required to make the motor output shaft complete one revolution.

Q2: How does pressure affect torque output?
A: Higher system pressure results in higher torque output, as torque is directly proportional to pressure in the formula.

Q3: What is typical efficiency for hydraulic motors?
A: Hydraulic motor efficiency typically ranges from 0.85 to 0.95 (85-95%) for well-designed motors under optimal conditions.

Q4: Can this formula be used for all hydraulic motors?
A: This formula provides a theoretical calculation that applies to most hydraulic motors, but actual performance may vary based on specific motor design and operating conditions.

Q5: How does displacement affect torque?
A: Larger displacement motors produce higher torque outputs, as torque is directly proportional to displacement in the formula.