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Mini swivel unit with double air duct

What are the advantages of an air duct in the rotary actuator?

Short compressed air paths, no torsion, no external hoses to interfere with the flow – these are the benefits of being able to direct the air upwards through the rotating shaft. The image to the right clearly illustrates this.

With the SM-4 series, Friedemann Wagner GmbH offers an extremely compact rotary actuator for small installation spaces .

Despite its compact dimensions, the swivel unit features two air ducts – so, for example, a parallel gripper mounted on the swivel surface can be supplied with air through the rotating unit ! A quickly accessible approach for an additional axis – especially in applications with limited installation space.

With an effective torque of 0.3 Nm, the mini module can handle up to 3.5 kgcm2 of inertia. Depending on requirements, versions are available with or without hydraulic dampers. External, hollow stop screws ensure a repeatability of ± 0.01° and also provide space for the proximity switches .

Click here to see the presentation of our mini units (short film)

Wagner product video: pneumatic dwarfs for small workpieces

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