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Festo Clamping Module D20 Stroke 4mm - EV-20-4

Festo Clamping Module D20 Stroke 4mm - EV-20-4

This compact, rodless clamping module offers a clamping area of Ø 20 and a 4 mm stroke, designed f...

Best current price£35.83from Tameson UK

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Product Information

Full details

The Festo EV-20-4 is a compact, rodless clamping module designed for precise positioning in space-constrained environments. It offers reliable clamping against a stop with a Ø 20 mm clamping area and a 4 mm stroke. While its hermetically sealed, diaphragm-fitted pressure chamber ensures consistent performance, users should note its single-acting nature requires a reset function.

All features

Model Part NumberEV-20-4
BrandFesto

Extended Product Information

FAQs

What is the primary function of the Festo EV-20-4?

The Festo EV-20-4 is designed for precise clamping and positioning of small parts against a stop in automated systems, particularly where space is limited.

What does 'single-acting' mean for this module?

Single-acting means the module is actuated by compressed air in one direction (extension) and returns to its original position via an internal spring when the air pressure is released.

What is the clamping area and stroke length?

The module has a clamping area diameter of Ø 20 mm and a stroke length of 4 mm.

Can this module be used for high-force clamping?

This module is designed for precise positioning and light to moderate clamping duties. For high-force applications, larger modules or different clamping solutions may be required.

Does the module require lubrication?

The module is designed to operate with filtered, lubricated, or unlubricated compressed air. However, consistent air quality is crucial for longevity.

How is the module mounted?

It is typically mounted via screws inserted through the base of the module into a supporting surface.

What environments is this module suitable for?

It is suitable for standard industrial environments. For harsh conditions, consult specific product documentation for environmental ratings.

Troubleshooting

Module does not extend when air is applied.

Check air supply connection to port 1. Verify air pressure is within the specified operating range. Ensure the air line is not blocked. Inspect for any obstructions preventing movement.

Module does not retract after air pressure is released.

Ensure the spring return is not obstructed. Check if internal components are seized due to contamination; consider cleaning or replacement. Verify that the air pressure has been fully vented from port 1.

Inconsistent clamping force.

Verify the input air pressure is stable and within the recommended range. Check for air leaks at connections or seals. Ensure the clamping surface is clean and the module is properly seated against its stop.

Movement is sluggish or jerky.

Ensure the compressed air supply is clean and dry. If lubrication is recommended for the air system, verify its presence. Check for any external binding or misalignment during operation.

Pros and Cons

Pros

  • Extremely compact footprint saves valuable space.
  • Rodless design eliminates the need for external guiding.
  • Precise clamping and positioning capabilities.
  • Durable and hermetically sealed construction.
  • Simple single-acting pneumatic control.

Cons

  • Limited stroke length (4mm) may not suit all applications.
  • Single-acting design requires a return spring, consuming space.
  • Clamping force is dependent on air pressure and diaphragm condition.
  • Not suitable for high-load or dynamic clamping without additional support.

Setup, Compatibility & Care

Setup:

  1. Mounting: Securely mount the module using appropriate M4 screws (not included) through the base, ensuring a flat and stable surface.
  2. Pneumatic Connection: Connect a compressed air supply (filtered, lubricated, or unlubricated) to the pressure port (port 1).
  3. Actuation: Apply regulated compressed air to port 1 to extend the clamping mechanism. Releasing the pressure allows the internal spring to retract the mechanism.
  4. Positioning: Ensure the module is aligned to clamp against a rigid, flat stop surface.

Compatibility:

  • Air Supply: Compatible with standard filtered compressed air systems. Operating pressure range should be consulted from technical documentation, but typically suitable for standard industrial pressures.
  • Mounting Surface: Requires a flat, rigid surface for secure mounting.
  • Environmental: Suitable for standard industrial environments. Avoid extreme temperatures or corrosive atmospheres unless specific variants are chosen.

Care:

  • Cleaning: Regularly wipe the exterior with a clean, dry cloth. Avoid abrasive cleaners.
  • Air Quality: Maintain clean and dry compressed air to prevent internal component wear or sticking.
  • Inspection: Periodically check for any signs of external damage or leaks. Ensure the clamping action remains consistent.

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