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| Wrom gear screw jacks that are properly selected and maintained will reliably lift, position, support or hold industrial loads for years. Incorporating them into mechanized applications is a fairly simple matter once jack designs are understood. The basic components of machine screw jacks are lifting screw, gear set, and thrust bearing. Jacks come in three basic designs – Translating, Keyed for Non-Rotation, and Keyed for Traveling Nut. They can be specified with a choice of four standard screw end conditions, plain end, top plate end, threaded end, or Male clevis end. | |||||||||
JTM500
JACTON
Product Description
500 kN Worm Gear Screw Jack-Trapezoidal Screw Type-120x16. Trapezoidal screw jacks offer a low-cost solution to a wide variety of industrial lifting, lowering, pushing and pulling applications. Available in twelve sizes, these worm gear screw jacks feature a self-locking acme screw and can be ordered with a number of options and configurations, the most basic including Translating, Keyed or Rotating designs.
Main Features
* Maximum static load capacities 500 kN (100000 lbs).
* Self-locking trapezoidal screw sizes Tr 120x16.
* Two gear ratios: high ratio 1:(10-2/3), slow ratio 1:32.
* Custom stroke length, maximum stroke 6000 mm in compression load, 9000 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 and crank handle, electrically by motor drive, 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.
* Custom double clevis screw jack, trunnion mount screw jack, and anti-backlash screw jack.
* 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 500 kN Worm Gear Screw Jack-Trapezoidal Screw Type you purchased.
* Housing: High-strength Casting Housing, Ductile Iron.
* Acme 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
Worm Gear Screw Jack Applications in Paper, press, printing industry, Gypsum factories, Sheet metal forming machinery, Mechanical lifting applications, Platform lifting applications, Food processing machinery, Construction sector, Bridge jacks for road and bridge lifting, Shipyards, Opening and closing of penstocks, Industrial process, Roll form machinery, Mining industry, Defense industry, Lift tables, and Stage setup applications.
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.
