Small Type The hydraulic cylinder is the core actuating component in a hydraulic system, converting hydraulic energy into mechanical energy to achieve linear reciprocating motion. With its compact design and lightweight construction, it’s ideal for applications where space is limited or loads are relatively light, making it widely used in fields such as machinery, automation, and household appliances—providing precise and efficient power output for a variety of small-scale equipment.
Category
1. Classified by structure:
- Piston-type: Single/double acting, suitable for bidirectional motion control.
- Plunger type: Single-action, commonly used in scenarios requiring long strokes or vertical loads.
- Telescopic (multi-stage cylinder): Features a multi-section design, offering a long stroke yet maintaining a compact retracted profile.
2. By installation method:
- Ear-type, flange-type, tripod-type, and more, suitable for various mechanical structures.
3. By pressure rating:
- Low pressure (≤7 MPa), medium pressure (7–14 MPa), high pressure (≥14 MPa).
Design Parameters
1. Output force: Determined by the cylinder diameter and working pressure, calculated using the formula: F = p × A (where p is pressure and A is the piston area).
2. Motion speed: v = Q/A (where Q is the flow rate and A is the piston area).
3. Efficiency: ≥90% (with premium sealing and low-friction design).
4. Lifespan: ≥1 million cycles (depending on operating conditions and maintenance).
Process Introduction
1. Materials: The cylinder barrel is made from high-strength seamless steel tubing, and the piston rod is treated with quenching using 45# steel.
2. Processing:
- Cylinder bore honing/roll finishing, with surface roughness Ra ≤ 0.8 μm.
- Precision turning ensures concentricity.
3. Sealing: Use high-temperature-resistant and wear-resistant polyurethane or fluororubber seals.
4. Assembly and Testing:
- Dust-free assembly throughout the entire process, followed by pressure testing (≥1.5 times the working pressure).
- Dynamic testing verifies speed and leakage rate.
Scope of Application
1. Industrial Automation: Robotic arms, conveyor lines, fixtures, and precision machining equipment.
2. Logistics handling: forklifts, pallet lifts, and pallet trucks.
3. Household/Civilian Use: Smart furniture (height-adjustable desks, beds), tools (jacks).
4. Building and decoration: concrete vibrators, tile-laying tools.
Keywords
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Small hydraulic cylinder
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