RBC2015: SMC Hydraulic Shock Absorber, The Damping and Protection Expert for Industrial Automation
2026-01-04
The RBC2015 is a hydraulic shock absorber manufactured by SMC Corporation of Japan, belonging to the RB series. This shock absorber operates on the hydraulic damping principle, featuring self-regulating absorption performance, a compact structure, and high reliability. It is widely used in industrial automation control systems to absorb the impact energy of moving mechanical components, protecting equipment from damage.
Core Product Advantages
- Self-Adjusting Absorption Performance The RBC2015 hydraulic shock absorber automatically adjusts to the most suitable absorption performance. It provides appropriate energy absorption without the need for additional adjustments, adapting to different speeds and load conditions.
- Capped Type Design Features a capped type design, offering additional protection by preventing dust and foreign matter from entering the absorber interior, making it suitable for use in special environments like cleanrooms.
- High-Efficiency Energy Absorption Maximum absorption energy of 58.8J, effectively reducing mechanical shock, protecting equipment and operator safety, while significantly reducing noise and providing a quieter working environment.
- Wide Operating Speed Range Impact speed range of 0.05~5 m/s, adapting to different working conditions and speed requirements. Maximum operating frequency of 25 cycles/min meets the demands of high-frequency operation.
Technical Parameters
| Parameter Item | Specification | Description |
|---|---|---|
| Type | C (Capped) | Product Structure Type |
| Body Thread Diameter | 20mm | Mounting Thread Specification |
| Stroke | 15mm | Cushioning Stroke |
| Max. Absorbed Energy | 58.8J | Energy Absorption Capacity |
| Impact Speed | 0.05~5 m/s | Operating Speed Range |
| Max. Operating Frequency | 25 cycle/min | Operation Frequency |
| Max. Allowable Thrust | 1961N | Maximum Thrust Capacity |
| Spring Force (Extended) | 8.34N | Return Spring Force |
| Spring Force (Compressed) | 20.5N | Cushioning Spring Force |
| Ambient Temperature | -10~80℃ | Operating Temperature Range |
| Operating Fluid | Air | Working Medium |
| Port Size | 1/8 inch | Port Specification |
Model Breakdown
- RBC: SMC Hydraulic Shock Absorber Series Code
- 20: Body Thread Diameter 20mm
- 15: Stroke 15mm
- C: Capped Type Design
Working Principle
The RBC2015 hydraulic shock absorber operates on the hydraulic damping principle. When the bumper head is impacted by an external force, the piston rod moves inward, pushing the piston to compress the hydraulic oil inside the inner tube, thereby compressing the return spring. The compressed hydraulic oil flows out through specially designed oil holes in the inner tube, simultaneously flowing into the accumulator system, generating a resisting force. Through the optimized design of the oil hole size and arrangement, the pressure inside the inner tube remains constant throughout the impact process, producing a fixed magnitude of cushioning force, achieving smooth linear deceleration until stopping. When the external force is removed, the return spring returns the piston rod to its initial position, completing one operating cycle.
Typical Application Scenarios
- Automated Machinery and Precision Equipment In robotic arm control, it ensures smooth stopping when the arm grasps objects by automatically adjusting the damping force, preventing positional deviation caused by impact, and improving repeatability precision. In electronic component assembly lines, its compact design fits into confined spaces while absorbing high-speed impact, protecting precision components.
- Conveying Equipment and Logistics Systems Installed at the end of conveyor belts to absorb impacts from high-speed moving parts, preventing equipment damage. In food packaging production lines, its resistance to coolant design withstands cleaning fluid corrosion, extending service life.
- Industrial Robots and Pneumatic Tools Provides damping support at industrial robot joints, reducing wear on mechanical structures from motion shocks. Applied in collaborative robots, it enhances operational safety through light-load buffering.
- Medical Equipment and Clean Environments Reduces mechanical vibration in medical equipment (e.g., CT scanners), ensuring stable operation and improving imaging accuracy. In cleanroom pneumatic slides, it resists erosion by non-water-soluble liquids like cutting oil, preventing particulate contamination.
- Automotive Manufacturing and Machine Tool Applications Buffers robotic arm motion in automotive assembly lines, preventing deformation of body parts due to impact, improving assembly quality. Absorbs high-speed motion shock in machine tool equipment, protecting precision machining components.
Installation and Usage Precautions
- Installation Requirements The hydraulic shock absorber should be installed horizontally to ensure stable operation. Before installation, inspect the absorber for any damage. During installation, ensure the installation direction is correct, with the bumper head aligned with the direction of impact.
- Operating Environment Operating temperature range is -10~80℃. Avoid use in excessively high or low-temperature environments. Relative humidity should be maintained below 80% to prevent moisture from affecting equipment lifespan. Recommended ambient temperature for use is between 22-80°C.
- Impact Angle Control The impact angle deviation should not exceed ±1°. The direction of force should align as much as possible with the axis. Eccentricity between the force direction and the shock absorber axis should not exceed 3°, otherwise, it may easily cause damage to the shock absorber.
- Regular Maintenance Periodically inspect the connection points of the shock absorber to ensure no looseness. Regularly clean the absorber surface to maintain cleanliness. Periodically check the operational performance of the shock absorber to ensure long-term stable operation.
- Safe Operation Ensure the equipment is properly grounded before operation to prevent electric shock hazards. Avoid contact with moving parts during operation to prevent injury. Immediately stop the equipment in case of malfunction and have it repaired by qualified personnel. Always release pressure before installation to prevent injury from high-pressure media discharge.
Concluding Summary
The RBC2015 Hydraulic Shock Absorber is the “Damping and Protection Expert” in the field of industrial automation. It perfectly combines self-adjusting absorption performance, high-efficiency energy absorption, and a compact design, providing an efficient, reliable, and convenient buffering and protection solution for various industrial applications.
Choosing the RBC2015 means choosing to drive your automation system towards higher efficiency with high reliability and superior protection!
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