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| Worm gear compact machine screw jacks lift and precisely position loads. Upright or inverted jacks operate at full capacity in tension or compression. single lead jacks are self-locking. double lead jacks offer increased travel speed and require a brake or external locking device to hold position. Features: Alloy steel input shafts. Aluminum bronze wormgears. Tapered or ball thrust bearings provide rugged reliability. Double input shafts standard. Protective boots available. Anti-backlash devices available. Customized mechanical jacks can be made to your specifications. | |||||||||
JTH200
JACTON
Product Description
Cubic Compact Screw Jack 200kN-70x12-Trapezoidal Screw. All housings have a cubic form and are machined on all faces. 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.
Main Features
* Maximum static load capacities 200 kN (20 ton).
* Self-locking trapezoidal screw sizes Tr 70x12, precise positioning, and uniform speed.
* Two gear ratios: high ratio 1:8, slow ratio 1:32.
* Custom stroke length, maximum stroke 4000 mm in compression load, 5000 mm in tension load.
* Basic designs: Translating screw, Keyed screw, and Rotating screw.
* Upright or Inverted mounting. Available in tension or compression loads.
* Standard with 1-start thread screw, custom 2-starts threads screw which offers increased travel speed and require a brake or external locking device to hold position.
* Screw end fittings: top plate, clevis end, threaded end, plain end, fork head and rod end.
* Power source: manually by hand wheel, electrically by motor driven, or both together.
* Can be applied either individually use or combined into a exactly synchronized lifting system (multiple jack systems), linked by connecting shafts, bevel gearboxes, couplings, electric motors, gear reducers, limit switches and pillow blocks etc.
* Can be used as alternatives to hydraulic and pneumatic systems.
Product Material
We use the best materials to guarantee the performance and lifetime of the Compact Screw Jack 200kN you purchased.
* Housing: High-strength Casting Housing, Ductile Iron.
* Lifting Screw: C45 Steel as Standard. Custom Stainless Steel 304 or 316.
* Input Shaft (Worm): C45 Steel in high frequency heat treatment process. Custom Stainless Steel 304 or 316.
* Worm Gear / Travelling Nut / Safety Nut: ZQAl9-4 (Casting aluminum bronze) as Standard. Custom ZCuSn10Pb1(Casting tin bronze).
* Bearing: Anti-friction Ball Thrust Bearings for Worm Gear. Anti-friction Ball Bearings for Input Shaft(worm). Custom Stainless Steel 304.
* Motor Flange Adapter: High-strength Casting Motor Adapter, Ductile Iron. Custom Stainless Steel 304 or 316.
* Lubricants: Synthetic Grease, Extreme Pressure EP2 Lithium Grease.
Download
Speficications | Dimensional Drawings | Selection Guide | Catalog
Application Case
These compact cubic worm gear screw jacks are used in many fields where it is necessary to lift considerable weights, such as automated production lines for sheet metal machinery, packaging, printing, textiles, plastics, food, renewable energy and more. For example: Atomisers and sprayers: adjustment and orientation of devices used for spraying. Harvesting machines: platform vertical positioning. Irrigation systems: control of the opening/closing of valves for the water flow. Mobile robots for breeding/zootechnics (for the distribution of forage): control of AGV steering and direction, vertical positioning of the platform for the material loading/unloading. Ambulance stretchers: lifting of the stretcher. Vehicles for people with a reduced mobility capacity: automation of the opening/closing of doors and platforms for the wheelchair pick-up/drop-off. Photovoltaic panels and solar concentrators: inclination and rotation to optimize the solar tracking process. Dams: automation of the opening/closing of bulkheads for the water flow regulation etc.
Packaging and Shipping
* 100% standard exporting plywood cases (international exporting standard wooden material with free fumigation).
* Express(Air): Factory to customers' company by FEDEX, DHL, UPS, TNT. Incoterms: EXW, DDU.
* Sea Freight: Factory to destination seaport by Vessel. Incoterms: CIF, FOB, EXW, CFR.
* Air Freight: Factory to destination airport by Airplane. Incoterms: CFR, EXW, FCA, CPT, CIP.
* Additional Options (Door to Door): Train Transportation, Truck Transportation, Ocean Shipping.
