cubic screw jack China

LiftingMotion cubic screw jack has a compact and robust design. The precision-machined mounting surfaces enable the use of the screw jacks in all mounting positions. It’s one of the most efficient mechanisms for lifting, lowering, pushing, or pulling the load.

  • Travel lengths built to specification
  • Load capacity available from 0.25T~100T
  • 2.5kn and 5KN mini cubic screw jack is available
  • Upright or inverted, grease-filled as standard.
  • Types: screw translating, nut rotating or keyed
  • Screw end options: top plate, clevis, plain end, thread end
  • Can use individually or in multiple arrangements.
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Cubic Screw Jack Spec & In-house Manufacturing

Jack ModelLMK2.5LMK5LMK10LMK20LMK50LMK80LMK100LMK200LMK300LMK450
Max. Lifting Forc(KN )2.5510205080100200300450
Lift Screw Size( mm )Tr14*4Tr18×4Tr20×4Tr30×6Tr40×7Tr50×8Tr60×9Tr80×12Tr100×16Tr120×16
Gear Ratio ( H )1/41/41/41/61/71/81/81/8.751/10.251/10.75
Travel length(mm) per full turn of worm Shaft ( H )1111111.1251.3711.561.49
Starting Efficiency % ( H )
Working Efficiency % ( H ) at 1500rpm0.340.340.350.330.320.310.330.330.330.3
Max. Permissible power ( KW ) With High Ratio0.250.30.571.142.22.534711.5
Gear Ratio ( L )1/161/161/161/241/281/321/321/351/411/43
Travel length(mm) per full turn of worm Shaft ( L )
Starting Efficiency % ( L )
Working Efficiency % ( L ) at 1500rpm0.
Max. Permissible power ( KW ) With Low Ratio0.
Jack Housing MaterialsAluminiumNodular cast iron
Weight without stroke ( kg )
Weight of screw ( kg ), per 100mm stroke0.20.360.50.751.522.443.024.56.89
Remarks: H: high ratio, L: low ratio. Working temperature is -20℃-+80℃. Max. Permissible power is under the conditions that ambient temperature 20 degree c , duty cycle 30%h .

With over 10 years of professional manufacturing experience, our specialized workers always produce cubic worm gear screw jack with refined craftsmanship and consistent quality.

Whether working on large volume orders or simply 1 set, our standardized production process makes sure you get the same level of high-quality goods at a short lead time.

  • Well-trained Staffs
  • Extensive Manufacturing experience
  • Fully-equipped Production Workshop
  • Well-established manufacturing standard

As the screw jack is very heavy especially for the one with a heavy load and long stroke, we value packing very much.

Every cubic screw jack is carefully packed with plastic wrap, foaming agent, and carton box before it goes into the export wooden case.

Fixed devices are built into the wooden box to prevent movement during transportation for the long stroke jacks, which ensures all parts are safe and sound after arrival.

cubic screw jack packing
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Cubic Screw Jack Arrangement

Below are typical cubic screw jack structures. When designing the screw jack layouts, the actual load, stroke, operating request, duty circle, number of jacks must be known.

The layouts are not just limited to below. Our engineer will help you to calculate and select the right components for the whole system structure.

two cubic screw jack system

two cubic screw jack system

three cubic screw jack system

three cubic screw jack system

cubic screw jack system

two cubic screw jack system

four cubic screw jack system

four cubic screw jack system

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Discover Our Capabilities

LIftingMotion Cubic screw jack is suitable for a wide spectrum of industrial applications, such as material handling, paper, metal manufacturers, theatre and stage, production equipment, etc.

Each customer has a unique requirement, we can tailor an optimum solution to best suit your application. Let our highly experienced engineers help with your individual project.

Features On Our Cubic Screw Jacks, Benefits on You

cubic worm gear screw jack

Over 10 Years of  Manufacturing and Application Experience

You can trust our products to deliver reliable performance year after year because they benefit from over 10 years of engineering and manufacturing experience.

High-Quality Materials

We use the best materials to guarantee the performance & lifetime of the cubic gear jack you purchased.

  • Housing: Ductile iron housings.
  • Worm gear: ZQAl9-4 or ZCuSn10Pb1
  • Worm shaft: 20CrMnTi
  • Lifting Screw: C45, GCr15 or 316, 304.
  • Bearings: Tapered or ball thrust bearings
  • Long life lubrication

Wide-ranging Accessories Options

Our comprehensive accessories can help you to achieve the best possible fit of the equipment to the application.


The combination of affordable material and streamlined processing maintains the low cost of production without reducing the quality of the product.

Free CAD or 3D Drawing

Our highly experienced engineers can offer comprehensive technical support. You can count on us to deliver CAD drawings as well as the optimum solution you are after.

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