The Festo DYSD series consists of single-acting pneumatic shock absorbers designed for reliable damping in industrial automation applications. These devices feature self-adjusting soft cushioning to handle impacts smoothly, making them ideal for use with rotary drives (such as the Festo DRRD series semi-rotary drives), pressure chambers, and actuators. They are hydraulic or pneumatic in operation, with a maximum impact speed of 1 m/s, and include features like fixed stops and hexagon sockets for stroke adjustment.
Key benefits include:
- Self-adjusting cushioning: Adapts to varying loads for consistent performance.
- Compact design: High-alloy or galvanized steel housing with nitrile rubber (NBR) static seals for durability.
- Energy absorption: Varies by model, typically handling moderate to high forces.
Applications
- Rotary and linear actuators: Damping end-of-stroke impacts in pneumatic systems.
- Automation machinery: Suitable for assembly lines, handling equipment, and robotics where controlled deceleration is needed.
- Compatibility: Optimized for Festo’s DRRD series and similar components.
Specification
Technical Specifications
The series is available in various sizes (e.g., 5, 7, 11, 12, 16, 20), with stroke lengths ranging from 5 mm to 25 mm. Below is a comparison of selected models based on available data:
| Model Example | Size | Stroke Length | Max. Stop Force | Resetting Force | Cushioning Type | Housing Material |
|---|---|---|---|---|---|---|
| DYSD-Q11-5-5-Y1F-L-Y9 | 5 | 5 mm | 200 N | 7 N | Self-adjusting (linear) | High-alloy steel |
| DYSD-Q11-7-5-Y1F-Y14 | 7 | 5 mm | 300 N | 12 N | Self-adjusting (soft) | High-alloy steel |
| DYSD-Q11-12-12-Y1F-S-Y14 | 12 | 12 mm | 1000 N | 28 N | Self-adjusting (soft) | Galvanized steel |
| DYSD-Q11-16-15-Y1F-Y9 | 16 | 15 mm | 2000 N | 46 N | Self-adjusting (linear) | Galvanized steel |
| DYSD-Q11-20-16-Y1F-S-Y14 | 20 | 16 mm | Varies (high) | Varies | Self-adjusting (soft) | Galvanized steel |
