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Screw Jacks,Gearboxes,Actuators,Lifting Systems Manufacturers


JTC-Series Cubic Screw Jacks

JTC-Series Cubic Screw Jacks featuring a compact and versatile cubic housing. The cubic design offers modern aesthetics and versatile mounting on two faces of the gearbox, while eliminating the need for upright and inverted variants. In the absence of vibration load, they have self locking and precisely position loads, will hold loads without backdriving, and no need any brake mechanism or locking system. Can be mounted in any attitude. Generally maintenance free.

JTC-Series Cubic Screw Jacks Key Features
* Self locking lifting screw, precise positioning, and uniform speed. 
* Available in 11 sizes from JTC2.5 to JTC500.
* Static load capacity from 2.5 kN to 500 kN.
* Lifting screw diameter from 14 mm to 120 mm.
* Standard lifting screw maximum length 6000 mm, custom longer stroke.
* Upright or Inverted mounting. Available in tension or compression loads.
* Translating, Keyed for non-rotating, and Rotating designs.
* Each Model has TWO gear ratios, they are High ratio, Slow ratio. 
* Standard with 1-start lifting screw, custom 2-starts lifting screw which offers increased travel speed and require a brake or external locking device to hold position.
* Custom-made lifting screw diameter and pitch, gear ratios, and worm shaft sizes.
* Lifting Screw Ends: top plate, clevis end, plain end, threaded end, fork end, rod end.
* Can be operated by manually operated or by electrical motor driven.
* Can be applied either individually use or combined into a exactly synchronized lifting system, linked by connecting shafts, bevel gearboxes, motor adapters, limit switches, geared motor and couplings etc.
* Custom-made double clevis screw jack, anti-backlash screw jack.
* Can be used as alternatives to hydraulic and pneumatic systems. 

JTC-Series Cubic Screw Jacks Specifications