Hydraulic Pump Motor Sizing Calculator

Calculate Hydraulic Pump Motor Size





Formula

To calculate the hydraulic pump motor size:

\[ \text{Motor Size} = \frac{\text{Flow Rate} \times \text{Pressure}}{\text{Efficiency} \times 1714} \]

Where:

What is Hydraulic Pump Motor Sizing?

Hydraulic pump motor sizing refers to the process of determining the appropriate size and power of a hydraulic pump motor for a specific application. This process is crucial because the size and power of the motor directly affect the performance and efficiency of the hydraulic system. The sizing process involves several factors including the required pressure, flow rate, and load of the system. The pressure is determined by the force needed to perform the task, while the flow rate is determined by the speed at which the task needs to be performed. The load refers to the resistance that the hydraulic system needs to overcome to perform the task. By considering these factors, one can determine the appropriate size and power of the hydraulic pump motor, ensuring that the system operates efficiently and effectively.

Example Calculation 1

Let's assume the following values:

Using the formula:

\[ \text{Motor Size} = \frac{20 \times 1500}{0.85 \times 1714} \approx 20.46 \, \text{HP} \]

The required motor size is approximately 20.46 HP.

Example Calculation 2

Let's assume the following values:

Using the formula:

\[ \text{Motor Size} = \frac{15 \times 2000}{0.90 \times 1714} \approx 19.58 \, \text{HP} \]

The required motor size is approximately 19.58 HP.