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Machine Screw Actuators - 1/4 ton to 350 ton

Machine screw actuators offer positive mechanical action, precise positioning, and uniform lifting speeds. Standard configurations include upright or inverted units with translating or rotating lifting screws, and top plate, threaded, or clevis ends.

Duff-Norton offers a complete line of both standard and custom engineered machine screw actuators for applications up to 350 tons.

Download product overviews

Specifications for 1/4 to 20 ton actuators

Specifications for 25 to 250 ton actuators

Machine Screw Actuator Diagram

Features and benefits:

  • Precise Positioning - can be controlled accurately for positioning within thousandths of one inch
  • Self Locking - models featuring higher gear ratios are inherently load holding as long as the actuator is not subject to vibration
  • Uniform Lifting Speeds - since many actuators feature the same gear ratios different capacities can be used in the same application to lift unevenly distributed loads with uniform speeds
  • Quick, Sure Operation - All actuators are designed and built to be positive acting, for accurate response to motive power

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