Up to 1,000 lbs. capacity.
Up to 1,000 lbs. capacity. Duff-Norton miniature screw jacks allow for extremely fine adjustments. These small screw jacks are equipped with anti-backlash nuts to minimize vertical backlash between the screw and worm gear nut. The manual operation is accomplished with an easy-to-use hand knob. The dial indicator is protected by a removable clear plastic cover.
Micro-Miniature actuators allow for extremely fine adjustments.
These Micro-Miniatiure actuators are equipped with anti-backlash nuts to minimize vertical backlash between the screw and worm gear nut.
The manual operation is accomplished with an easy-to-use hand knob.
Dial indicators available upon request. The dial indicator is protected by a removable clear plastic cover.
Available with sealed 316 stainless steel shell cap, housing, worm and lifting screw.
Corrosion-resistant materials
Specifications - Micro-Miniature Actuator |
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|---|---|---|---|---|---|---|---|---|
| Model Number | Rated Capacity | Screw Diameter | Turns of Worm for 1/2 Inch Raise | No Load Torque | Lifting Torque at Full Load | Worm Gear Ratio | Weight | Shell Cap and Housing |
| B9225MM-xxx | 1000 lbs. | .625 | 500 | 2 inch - lbs. | 18 inch - lbs | 20:1 | 2 lbs | Aluminum |
| B9225MMS-xxx | 1000 lbs. | .625 | 500 | 2 inch - lbs. | 18 inch - lbs | 20:1 | 3 lbs | Stainless Steel |
| Note: The load bearings inside stainless steel actuators are not stainless steel. Dimensions are subject to change without notice Part No. SK-3554-46 -Balanced dial reading 0-50-0 in .001" graduations with revolution counter. Part No. SK-3554-83 -Continuous dial reading 0-100 in .001" graduations with revolution counter. (Type of dial must be specified as above when ordering actuator.) | ||||||||
Industrial screw jacks are used to lift, position (push, pull, tilt, roll, etc.) and support all kinds of loads. Some applications where our screw jacks have been used include plastics machinery, beverage bottling systems, aircraft assembly and paper production.
Duff-Norton’s collection of screw jacks range from mini screw jacks supporting up to 1,000 pounds to acme screw jacks with a capacity up to 350 tons and everything in between. Learn about our machine and ball screw jacks.
North America - EN
