WEG WG20 Helical Geared Motor

WEG WG20 Helical Geared Motor

With torques between 440 and 159,000 lb-in, the WEG WG20 is the first geared motor range to be completely developed in-house at WEG.  Providing a highly versatile and reliable product, with a wide range of possible applications.

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WEG WG20 Helical Geared Motor

The WEG 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 440 and 159,000 lb-in. 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 5,310 lb-in and the robust cast iron housings from 7,260 lb-in provide a highly versatile and reliable product, with a wide range of possible applications.

Benefits

  • High Efficiency
  • Reliable Performance
  • Wide Range of Power and Torque Options
  • Compact and Space-Saving Design
  • Quiet and Smooth Operation
  • Easy Maintenance
  • Versatility
  • Enhanced Gearbox Efficiency
  • Durability and Longevity
  • Global Availability and Support
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Nominal torque [lb-in]440750177035405310726013700266003980070800115000159000
Number of stages2-stage2-stage2-/3-stage2-/3-stage2-/3-stage2-/3-stage2-/3-stage2-/3-/4-stage2-/3-/4-stage2-/3-/4-stage2-/3-/4-stage2-/3-/4-/5-stage
Ratio range2.44 – 47.443.09 – 66.53.34 – 286.323.69 – 328.433.73 – 375.715.30 – 351.335.12 – 368.944.22 – 3282.024.19 – 2636.784.00 – 1891.775.17 – 2162.845.96 – 22405.25
Speed range at 1750 rpm 60 Hz [rpm]37 – 71626 – 5656 – 5245 – 4745 – 4705 – 3305 – 3420.5 – 4150.7 – 4170.9 – 4380.8 – 3390.1 – 294
Power range 60 Hz [hp]0.16 – 1.00.16 – 2.00.16 – 4.00.16 – 100.16 – 12.50.16 – 200.16 – 300.16 – 400.16 – 500.16 – 750.16 – 750.16 – 100
Output shaft [in]0.750 x 1.570.750 x 1.571.000 x 1.971.250 x 2.36/ 1.375×2.761.375 x 2.761.625 x 3.152.125 x 3.942.375 x 4.722.875 x 5.513.625 x 6.694.375 x 8.274.750 x 8.27
Output flange IEC [mm]120 / 140 / 160120 / 140 / 160120 / 140 / 160 / 200160 / 200 / 250200 / 250250 / 300300 / 350350 / 450350 / 450450 / 550450 / 550550 / 660
Housing materialAluminiumAluminiumAluminiumAluminiumAluminiumCast ironCast ironCast ironCast ironCast ironCast ironCast iron
WEG – Helical Geared Motors – WG20 Specifications

Applications

  • Timber processing
  • presses
  • Conveyor belts
  • Rotary tables
  • Pumps
  • Packaging machines
  • Bakery equipment
  • Lifts
  • Looms
  • Screw conveyors 
  • Screw compressors

Industries

  • Automation
  • Concrete & Construction
  • Food & Beverage
  • Industrial
  • Mining & Heavy Industry
  • Recycling
  • Transportation
  • Wastewater Treatment

Resources

WEG – WG20 Helical Geared Motors
WEG-WG20-Gear-Units-and-Geared-Motors-Technical-Manual

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