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| Screw Jacks Linear Actuators and lifting jack is an electric motor. Screw jacks come assembled, threaded, and ready for hookup. Connect a motor or hand-crank shaft to the screw jack shaft to lift, hold, position, and level loads. This is achieved like this: an electric motor drives a worm shaft that causes a worm gear to rotate. The worm gear is provided with a threaded spindle (standard: trapezoidal thread; special version: ball screw) – and the Screw jack is finished. | |||||||||
JT-20T
JACTON
Electrical Worm Gear Driven 5hp Electric Screw Jack 20tons load capacity 20 ton, self locking trapezoidal screw diameter 65mm, pitch 10mm, inverted mount, translating screw type, stroke 500mm, ratio 10:1 (one rpm input travel length 1mm), top plate(load pad/flange) end, two limit switches are installed on the protection tube. Accessories: limit switch, gear motor and control box.
Product Material
We use the best materials to guarantee the performance and lifetime of the Electrical Worm Gear Driven 5hp Electric Screw Jack 20tons 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: 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.
* Lubricants: Synthetic Grease, Extreme Pressure EP2 Lithium Grease.
Download
Speficications | Dimensional Drawings | Selection Guide | Catalog
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
