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Hydraulic Cylinder Calculation Formula

Hydraulic Cylinder Force Formula:

\[ F = P \times A_c \]

psi
in²
lb

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1. What is the Hydraulic Cylinder Force Formula?

Definition: This calculator determines the force generated by a hydraulic cylinder based on system pressure and piston area.

Purpose: It helps engineers and technicians calculate the output force of hydraulic cylinders in various applications.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ F = P \times A_c \]

Where:

Explanation: The hydraulic pressure multiplied by the effective piston area equals the output force.

3. Importance of Hydraulic Force Calculation

Details: Accurate force calculation ensures proper system design, safety, and performance in hydraulic machinery.

4. Using the Calculator

Tips: Enter the system pressure in psi and the piston area in square inches. Both values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: How do I find the piston area?
A: For a cylinder, \( A_c = \pi \times r^2 \) where r is the piston radius. Or use \( A_c = \pi \times (d/2)^2 \) with diameter d.

Q2: What's a typical hydraulic system pressure?
A: Common industrial systems operate at 1500-3000 psi, but this varies by application.

Q3: Does this calculate extending or retracting force?
A: This calculates extending force. For retracting force, use the annular area (piston area minus rod area).

Q4: How does efficiency affect the actual force?
A: Actual force may be 5-10% less due to friction and efficiency losses not accounted for in this basic formula.

Q5: Can I use this for pneumatic cylinders?
A: Yes, the same formula applies, but with typically much lower pressures (80-150 psi for pneumatic systems).

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