1. What is a Hydraulic Cylinder Oil Capacity Calculator?

Definition: This calculator determines the volume of hydraulic oil required to fill a hydraulic cylinder based on piston area and stroke length.

Purpose: It helps hydraulic system designers, maintenance technicians, and engineers calculate proper oil volumes for cylinder operation.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( V \) — Oil capacity (cubic meters)
• \( A \) — Piston area (square meters)
• \( L \) — Stroke length (meters)

Explanation: The piston area multiplied by stroke length gives the volume of oil needed to fully extend the cylinder.

3. Importance of Oil Capacity Calculation

Details: Accurate oil capacity calculation ensures proper hydraulic system design, prevents overfilling or underfilling, and helps select appropriate reservoir sizes.

4. Using the Calculator

Tips: Enter the piston area in m² (πr² for circular pistons) and stroke length in meters. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: How do I calculate piston area for a circular cylinder?
A: Use the formula \( A = \pi \times r^2 \) where r is the piston radius.

Q2: Does this account for the rod side volume?
A: No, this calculates only the cap side volume. For complete system volume, you'll need to calculate both sides.

Q3: What about thermal expansion of the oil?
A: This calculates static volume. For system design, consider adding 10-15% for thermal expansion.

Q4: How do I convert the result to liters?
A: Multiply the m³ result by 1000 to get liters.

Q5: What's a typical piston area for industrial cylinders?
A: Common sizes range from 0.001 m² (small cylinders) to 0.1 m² (large industrial cylinders).