WG20 Geared motors up to 18,000 Nm
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WEG Group - Transforming energy into solutions. WEG is a leading global manufacturer and solutions provider of drive technology, energy production and distribution, and automation systems and switchgear construction. Founded in Brazil in 1961 by three entrepreneurs, WEG has grown to become one of the most important global manufacturers of electric motors. WEG has more than 31,000 employees around the world. The annual turnover of around 3 billion euro reflects its increasing success. The company’s global presence is supported by branches in 34 countries, production facilities, and a network...

As one of the leading global manufacturers and solutions providers of drive technology, WEG's aim was to expand its extensive range of products by gear units produced in its own facilities. Perfect coordination of products throughout the drive train has put WEG in a position to offer customers even more superior and efficient solutions. Under the leadership of Watt Drive, the challenge was to develop a program which not only meets the current demands of the market, but also satisfied WEG's high quality requirements. The Group's own centre of excellence for geared motors in Austria, part of...

WG20 - a new generation of geared motors WG20 is the first geared motor range to be completely developed in-house at WEG. It comprises helical, parallel shaft and helical bevel gear units with torques between 50 and 18,000 Nm. Already the two-stage units excel with their large ratio range, as well as being exceptionally efficient thanks to the sophisticated design. The light aluminium housings of the gear units up to 600 Nm and the robust cast iron housings from 800 Nm provide a highly versatile and reliable product, with a wide range of possible applications. Highly efficient The gear...

Optimised design When designing the new gear unit range, the designers paid particular attention to develop a robust housing, opting for a light aluminium construction for the frame sizes up to 600 Nm. The die casting process used in production not only benefits from a smooth surface for demanding hygienic applications, but also features excellent heat conductivity. The housing design additionally enhances this property. The intelligently designed surface encourages heat dissipation from the internal gear parts, thereby aiding more efficient operation and a longer life. The housings for...

The helical gear units come in twelve housing sizes for nominal torques from 50 to 18,000 Nm and are available in both foot and flange designs. While the two smaller gear units (C00 and C01) are able to perform to their full potential with just two stages, the larger C03 to C16 are available in both two and three-stage versions, for those applications in higher torque ranges.

Design versions Standard mounting dimensions Taking the most significant standard mounting dimensions available into account, the design allows for easy integration of WG20 geared motors into almost any existing systems. Typical areas of application Machines for timber processing companies, presses, conveyor belts, rotary tables, pumps, packaging machines, bakery equipment, lifts, looms, screw conveyors and screw compressors. Gear size

Parallel shaft geared motors F Thanks to their structural design, parallel shaft gear units are particularly suitable for conveyor technology applications. All 11 sizes can be fitted with either a hollow shaft, output shaft, mounting flange or shrink disc. The ratio range of gear unit sizes F04 to F15 can be extended by a third gear stage.

Design versions Hollow shaft Output shaft Shrink disc Standard mounting dimensions Taking the most significant standard mounting dimensions on the market into account, the design allows for the easy integration of WG20 geared motors into almost any existing systems. Typical areas of application Machines for waste disposal and recycling, roller conveyors and laminating machines, machinery for timber processing companies, agitators, mixing equipment, stacking equipment, separators, screw conveyors, travel drives for cranes, welding equipment and surface aerators. Gear size

Helical bevel geared motors K Helical bevel gear units are suitable for a multitude of applications. The two-stage basic design is extended by a third gear stage upward of 200 Nm. K gear units can also be equipped with a hollow shaft, output shaft, shrink disc, torque arm and mounting flange. Technical Data

Design versions Hollow shaft Output shaft Shrink disc and torque arm Standard mounting dimensions Taking the most significant standard mounting dimensions on the market into account, the design allows for easy integration of WG20 geared motors into almost any existing systems. Typical areas of application Roller tables and laminating machines, agitators, winches, lifts, heavy duty conveyors for bulky goods, shredders, conveyor belts, baggage handling systems, scenery lifts for stage machinery, bulk material and unit conveyors, and concrete mixing plants. 18000 Gear size

Aluminium modular integral The latest generation of WEG aluminium motors up to frame size 132 excels due to the user-friendly design to efficiency class IE3 and the reliable quality in various industrial sectors. The optimised design of the end shields and aluminium terminal box also results in a crucial reduction in weight. Thanks to the special wide-range winding and nine-bolt terminal block, flexible use anywhere in the world is guaranteed. 100 Hz characteristic - double the power Modular motors up to frame size 250 are perfect for operation with electronic speed control. The 87/100/120...

Cast iron modular integral motor The newly developed integral motors in frame sizes 160 to 250 are members of the latest generation of the W22 motor family. Due to their innovative design, these motors guarantee maximum value to the user and perform with highest efficiency and reliability. The three-phase motors with power output of 11 to 75 kW are available up to energy efficiency class IE4, they can be mains operated and are certified for use in all important markets worldwide. Motor modules for aluminium and cast iron motors The particular advantage of the modular motor range is the...