Cubic Ball Worm Gear Screw Jacks

Cubic screw jack featuring a compact and versatile cubic housing.
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The new range of ball screw jacks acme thread in standard screw jacks with an efficient ball screw. This achieves higher performance, for example linear speeds increase from a maximum of 300mm/s to 1000mm/s.  Higher efficiency means that more force is created and the reduced heat losses allow duty cycles up to 100%. The new ball screw jacks suit forces from 10 to 350kN and linear speeds from 2.0 to 100mm/s.


1. Lifting force 5kN, 10kN, 25kN, 50kN, 100kN, 150kN, 200kN, 300kN, 500kN
2. High precision ball screw diameter 25 mm, 40 mm, 45 mm, 50 mm, 63 mm, 85 mm, 100 mm, ball screw lead 5 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 24 mm.
3. Worm gear ratio 1/5, 1/6, 1/8, 1/20, 1/24, 3/32, 1/32.
4. Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation.
5. High speed, high precision, high efficiency, high duty cycle, high performance, high frequency operation, low drive torque, long service life.
6. 3-phase or single phase electric motor or gearmotor driven, hand wheel or hand crank manual operated.
7. Ball screw ends include top plate, clevis end, plain end and threaded end.
8. Individually or multiple bevel gear screw jacks system arrangements.
Note: ball screw without self-locking, braking motor, brake mechanism or other locking systems are required when keep the position. When a motorized ball screw jack, less power is required than an equivalent size  machine screw jack.

Technical Data Sheets &CAD

  • SJB Screw Jack


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