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| Self-locking occurs when system efficiencies are low enough that the force on the lifting shaft cannot cause the drive system to reverse direction. All bevel gear screw jacks can back drive and require some means of holding the load, such as a brake on the motor. The product specification pages show holding torque values. Holding torque represents the amount of input torque required to restrain the load. In addition to back driving, system inertia usually results in some over travel when the motor is switched off. The inertia of the system should be considered when determining the brake size required to stop a dynamic load. | |||||||||
JTG19
JACTON
Product Description
Bevel Gear Machine Screw Jack 3000kg-32x6-Trapezoidal Screw. High speed bevel gear screw jacks supplement our offer of worm gear screw jacks. They are more efficient and may be used in a broader field of applications. They may be used in a medium load range, with a high lifting speed and longer operating time. All high speed screw jacks are equipped with hardened, sharpened and spiral-toothed bevel gear transmissions. Therefore, they attain high lifting speeds and improved efficiency. All bevel gear jacks work in all installation positions. Due to their cubic casing they can be mounted flexibly.
Main Features
* Equipped with hardened spiral toothed bevel gear transmissions for high lifting speeds, greater duty cycles, high efficiency and long lifespan.
* One, two and three drive shafts configurations are available.
* Maximum static load capacity 3000 kg. Maximum dynamic load capacity 1000 kg.
* Self-locking trapezoidal screw sizes Tr 32x6, precise positioning, and uniform speed.
* Reduction gear ratio: 2.5:1. Travel 2.4 mm per turn of input shaft.
* Custom stroke length, maximum stroke 1500 mm in compression load, 2500 mm in tension load.
* Basic designs: Translating screw, Anti-rotation 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: manual handwheel, electric 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.
* Optimal for low-speed operation: The driving system has less noise because machinery can be driven at a lower input speed.
* Higher efficiency, higher lifting speed, higher duty cycle, longer lifespan.
* Simple and effective solution in comparison with hydraulic and pneumatic systems.
Product Material
We use the best materials to guarantee the performance and lifetime of the Bevel Gear Machine Screw Jack 3000kg you purchased.
* Spiral Bevel Gears: Lapped together in pairs, high quality alloy steel, case hardened.
* Housing: High-strength Casting Housing, Ductile Iron.
* Trapezoidal Screw: C45 Steel as Standard. Custom Stainless Steel 304 or 316.
* Input Shaft / Output Shafts: Hardened, alloy steel. Custom Stainless Steel 304 or 316.
* Drive Sleeve / Travelling Nut / Safety Nut: High strength bronze ZQAl9-4 (Casting aluminum bronze) as Standard. Custom bronze ZCuSn10Pb1(Casting tin bronze).
* Bearing: Anti-friction Tapered Roller Bearings. Custom Stainless Steel 304.
* Motor Flange Adapter: High-strength Casting Motor Adapter, Ductile Iron. Custom Stainless Steel 304 or 316.
Download
Speficications | Dimensional Drawings | Selection Guide | Catalog
Application Case
The Bevel Gear Machine Screw Jacks are widely used in transmission units and digital control execution of machinery, steel ladle lifting, turning over and movement transmission units, lifting units and automatic or remote control opening/closing of large windows and doors, sluice gate opening in water conservation applications, large and flexible clamping, transposition tooling, welding robots, remote radar and solar energy sensing, medical equipment lifting, lifting units on lift stages and in the automobile industry, 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.
