Download your screw jack reducer performance and dimensions PDF guide here.
Screw Jack C Face Motor Adaptor
Download your screw jack C face motor adapter PDF guide here.
Motorized Actuator Performance
Actuator speed reducer drive motor and limit switch in one package
Machine screw and ball screw actuator models
2-ton through 35-ton actuator capacity
Increased load capability over previously supplied motorized actuators
Allows one, two or three actuators to be driven with one motor and speed reducer
Four standard speed reduction ratios
Consult factory for other ratios
Top and bottom screw stops to prevent accidental overtravel (slave actuators do not have screw stops).
Equipped with 1750 RPM, 230/460 volt, 3 phase motors. Consult factory for motors with other speeds, voltages and features.
To Order Motorized Actuators, Specify the Following
Translating or rotating screw version
Upright or inverted configuration
Type of screw end (translating screw actuators)
With or without boot
With or without anti-backlash feature (machine screw actuators)
With or without internal keying (translating machine screw actuators)
With or without limit switch (and mounting position if with limit switch)
Position indication (visual or digital) -if required
Speed reducer ratio
Brake motor standard for ball screw actuators.
Specify if brake motor is required for machine screw actuators.
Side and position for speed reducer mounting
Duty cycle parameters (application load, frequency of use, travel, etc.)
For other requirements consult factory
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Since 1883, Duff-Norton has earned a reputation for reliable, high quality products that meet the industrial lifting, positioning and transfer needs of our worldwide customers. Both our standard and custom designed products are subjected to the same rigorous testing throughout the design process to assure maximum performance and quality. We have been ISO 9001 registered since 1994, and practice and conduct lean initiatives regularly.