Application-Specific Design for High-Speed Automation
The Festo DSBC-125-25-PPVA-N3 (manufacturer ID 8165670) is a double-acting pneumatic cylinder built for applications that demand rapid, repeatable motion. With a 125 mm piston diameter and a 25 mm stroke, this unit delivers substantial force in a compact envelope. At 6 bar, the theoretical advancing force is 7363 N, while the retracting force reaches 6881 N, making it suitable for clamping, pressing, or short-stroke transfer tasks where high thrust is essential.
The cylinder's profile barrel and die-cast aluminum covers are designed to withstand moderate corrosion stress (CRC 2), and all materials are RoHS-compliant. The piston rod is made of high-alloy steel, and the barrel is smooth-anodized wrought aluminum alloy, providing a durable surface that holds up in production environments with occasional exposure to coolants or mild chemicals.
Adjustable Cushioning and Position Sensing
Precise control over end-of-stroke impact is critical in high-cycle applications. The DSBC-125-25-PPVA-N3 features pneumatic cushioning that is adjustable at both ends, allowing engineers to tune deceleration to match load and speed. The cushioning length is 45 mm, and the impact energy in the end positions is rated at 3.3 J, which helps protect the cylinder and connected tooling from shock loads.
For position feedback, the cylinder includes a sensor slot designed for proximity sensors. This enables reliable end-position detection or mid-stroke signaling without the need for external brackets, simplifying integration into control systems. The sensor slot is compatible with standard Festo proximity switches, allowing straightforward wiring into PLC inputs.
Flexible Mounting and Integration
Mounting flexibility is a key consideration when retrofitting or designing new machinery. This cylinder conforms to ISO 15552, ensuring interchangeability with other cylinders of the same standard. The mounting position is any, and the type of mounting can be either via internal threads or using accessories, giving designers the freedom to orient the cylinder as needed. The piston rod end has an external thread (M27x2), and the pneumatic connection is G1/2, which are common interfaces in industrial systems.
The cylinder operates with compressed air per ISO 8573-1:2010 [7:4:4] and can run with or without oil lubrication, though oil lubrication is required if the unit is to be used further after initial operation. The operating pressure range is 0.2 to 10 bar, and the ambient temperature range is -20°C to 80°C, covering most indoor industrial environments.
Weight and Mass Characteristics
When designing moving assemblies, weight and mass distribution affect acceleration, deceleration, and structural loading. The DSBC-125-25-PPVA-N3 has a basic weight of 6768 g at 0 mm stroke, with an additional 247 g per 10 mm stroke. The moving mass at 0 mm stroke is 2245 g, plus 63 g per additional 10 mm of stroke. For this 25 mm stroke unit, the total moving mass is approximately 2245 g + 2.5 × 63 g = 2402.5 g. These figures help engineers calculate dynamic loads and select appropriate guide rails or support structures.
Material Quality and Maintenance Considerations
Material selection directly impacts service life and maintenance intervals. The piston seal, rod wiper, and buffer seal are made of TPE-U (PU), which offers good wear resistance. The cushion piston uses POM, and the bearing is a metal-polymer compound, reducing friction and wear. The piston rod wiper is TPE-E, and the nut and flange screws are galvanized steel for corrosion resistance. These choices contribute to reliable operation in applications where downtime is costly.
For procurement teams, the DSBC-125-25-PPVA-N3 offers a balance of performance and standardization. Its ISO 15552 compliance simplifies replacement, and the adjustable cushioning reduces setup time when changing loads or speeds. The sensor slot eliminates the need for external mounting kits, and the corrosion-resistant construction minimizes maintenance in harsh environments.