Pneumatic Rotary Actuators – PSM2

The Eckart PSM2 pneumatic rotary actuator is a heavy-duty pneumatic rotary actuator. Additional advantages of the PSM2 include its wear-resistant sliding surfaces and adjustable drive shaft datum. Ultimately, because of its torque, angle of rotation, pressure range, positioning accuracy, stability of position, type of attachment, and dimensions, the Eckart PSM2 rotary actuator is highly adaptable. With the PSM2, you have a high-performance product that is robust but still compact, allowing for adaptations depending on your specific requirements.

Helical Spline Hydraulic Rotary Actuators:

Our rotary actuators are the helical spline design. This means, a piston and a helix, or sliding spline, work together to convert the linear motion of the piston into rotational motion. Composed of two moving parts and some form of housing, the sliding helical splined gear concept within the actuator is used in many applications where a rotary movement is required. Helical Spline Actuators function when the piston is axially displaced using hydraulic pressure causing simultaneous rotation of the piston. Standard amounts of rotation are 90°, 180°, and 360°; but are available generally up to 720° or more. Additional rotation is created by making the spline gears longer while maintaining the same diameter. The primary benefit to this type product compared to alternative designs such as linkages using hydraulic cylinders (linear actuators) is its compact design.

Hydraulic Rotary Actuator Standard Features:

  • Torque output to 690 in-lb (78 Nm)
  • Pressure rating at 87 psi (6 bar)
  • Operating pressure up to 145 psi (10 bar)
  • Standard Rotation – 90°/ 180° / 360°
  • Angle adjustment ± 5°
  • Wear resistant sliding surfaces

Hydraulic Rotary Actuator Optional Features:

  • Locating pin on the end of the shaft for cams or other control equipment
  • Proximity switches
  • Custom configurations available

 

Eckart is a supplier and rotary actuator manufacturer for various applications including construction, mechanical, marine, and industrial.


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