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ActionJac Worm Gear Screw JackActionJac Worm Gear Screw Jack

DN Staff

March 24, 2011

2 Min Read
ActionJac Worm Gear Screw Jack

Nook Industries have expandedthe ActionJac(Worm Gear Screw Jack) product line with linear actuation that requires lesselectric consumption, fewer accessories and no hazardous materials. TheActionJac line incorporates a rugged worm gear set arrangement that uses analloy steel worm, which drives a high strength bronze worm gear (drive sleeve).The worm shaft is supported on anti-friction tapered roller bearings withexternal seals to prevent loss of lubrication. The expanded ActionJac line iscomprised of standard machine screw, ball screw, stainless steel, metric andtrapezoidal screw jack options. Used individually or in multiple arrangements,Worm Gear Screw Jacks are built to specification with customized travel lengthsand load handling capacities ranging from a quarter to 100 tons.

The ActionJac is for the solarenergy market and operates in extreme weather. Typical solar applicationsinclude solar panels and machines that manufacture solar panel materials.Examples include solar fields with fixed position panels, solar trackers thatalign solar panels to the sun and collection towers.


  • Machine screw jacks: A lifting shaft made of alloy steel with a minimumtensile strength of 95,000 psi. Machine Screw Jack lifting shafts aremanufactured with a lead accuracy of approximately 0.004 inch per ft.

  • Ball screw jacks: The ball screw and nut reduces the required input torque toapproximately 1/3 the torque required for Machine Screw Jack.

  • Stainless steel screw jacks: For use in demanding environments where corrosionresistance is needed; external components are manufactured from 300 Seriesstainless steel materials, including the worm. The stainless steel liftingthreads are precision formed to Class 2-C (centralizing) thread profiles.

  • Metric ball screw jacks: Metric model of ball screw technology.

  • Trapezoidal screw jacks: Metric jacks include a lift shaft with a specialtrapezoidal thread form; created to stay within ISO standards and retains thecentralizing feature of 2C acme threads.

Actionjac Worm Gear Screw Jack

Actionjac Worm Gear Screw Jack

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