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