Festo Pneumatic Roundline Cylinder - 40mm Bore, 25mm Stroke, DSNU-40-25-PPV-A

This double-acting round cylinder features a 40 mm piston diameter and 25 mm stroke, delivering a ...

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Tameson UKFesto Round Cylinder 40Mm Bore 25Mm Stroke Double Acting - 196030
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Product Information

Full details

The Festo DSNU-40-25-PPV-A is a double-acting pneumatic round cylinder designed for industrial automation. It offers a 40 mm piston diameter and 25 mm stroke, providing a theoretical advance force of 752.9 N at 6 bar, making it suitable for a wide range of actuation tasks. Key features include adjustable pneumatic cushioning at both ends and self-adjusting end-position cushioning for smooth operation and extended component life. A potential caveat is the need for a compressed air supply and proper installation to achieve optimal performance.

All features

Model Part NumberDSNU-40-25-PPV-A
BrandFesto

Extended Product Information

FAQs

What is the maximum operating pressure for this cylinder?

Refer to the official Festo datasheet for the DSNU-40-25-PPV-A for precise specifications. Generally, roundline cylinders operate within standard industrial pneumatic pressure ranges, often up to 10 bar.

How do I adjust the pneumatic cushioning?

Locate the cushioning screws at each end of the cylinder. Turning them clockwise typically increases cushioning (slows down), while counter-clockwise decreases it (speeds up). Adjust incrementally and test to find the optimal setting for your application.

Can I use this cylinder without proximity switches?

Yes, the cylinder will function mechanically without proximity switches. However, you will lose the ability to electronically sense its position, which is crucial for many automated control systems.

What type of lubrication is recommended for the air supply?

While the DSNU series is designed for operation without lubrication in many cases, consult the Festo documentation for your specific environment. If lubrication is used, ensure it is ISO VG 32 standard or equivalent pneumatic oil.

What is the theoretical advance force at 6 bar?

The theoretical advance force for the DSNU-40-25-PPV-A at 6 bar is approximately 752.9 N.

How do I determine if the self-adjusting cushioning is working correctly?

The self-adjusting cushioning adapts automatically. You should observe smooth deceleration at the end of the stroke regardless of minor changes in load or speed. If you experience jarring impacts, manual adjustment might be needed, or the operating parameters may be exceeding the system's design limits.

Troubleshooting

Cylinder does not move

Check air supply pressure and connection. Verify valve operation and correct porting. Ensure no obstructions in the air lines or cylinder path.

Slow or weak actuation

Verify air pressure is sufficient. Check for air leaks along the cylinder body or connections. Clean or replace air filter if clogged.

Excessive noise or vibration at end-of-stroke

Adjust the pneumatic cushioning at the affected end. Ensure the cylinder is properly mounted and aligned. Reduce operating speed if necessary.

Inconsistent stroke or positioning

Check for internal wear or damage. Ensure the magnetic piston is correctly positioned and proximity switches are functioning and properly adjusted.

Pros and Cons

Pros

  • Provides reliable and precise actuation in both directions.
  • Adjustable cushioning minimizes shock and wear for extended component life.
  • Self-adjusting cushioning adapts to operational changes for optimal performance.
  • Integrated magnetic piston simplifies position monitoring in automated systems.
  • Robust design suitable for demanding industrial environments.

Cons

  • Requires a compressed air source and control system.
  • Installation requires knowledge of pneumatic systems.
  • Cushioning effectiveness can be load and speed dependent.
  • Theoretical force calculation assumes ideal conditions.

Setup, Compatibility & Care

Setup:

  1. Ensure a clean compressed air supply meeting the cylinder's specifications (refer to datasheet for pressure range).
  2. Mount the cylinder securely using appropriate mounting accessories, ensuring alignment with the intended motion path.
  3. Connect pneumatic lines to the port connections, ensuring correct port identification for advance and retract functions.
  4. Install proximity switches (if used) on the designated slots for position sensing.
  5. Adjust pneumatic cushioning screws at both ends to achieve desired deceleration for your application. Start with a few turns from the fully retracted position and test.

Compatibility:

  • Compatible with standard pneumatic control valves and fittings.
  • Designed to work with standard industrial compressed air systems.
  • Requires appropriate mounting accessories for Festo's DSNU series.

Care:

  • Regularly inspect for air leaks.
  • Keep the cylinder surface clean. Avoid abrasive cleaners.
  • Ensure the compressed air supply is filtered and lubricated (if required by system design) to prevent internal component wear.

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