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Generation Xe – Helical Gear Units / Bevel-Helical Gear Units

January 17, 2023

X.e series

With 23 finely graduated sizes, the helical and bevel-helical gear units of the Xe series cover the torque range from 6.8 to 475 kNm. The extensive modular program and the large number of predefined additional equipment and options offer a high degree of flexibility for adaptation to the application situation. Regardless of whether you are a plant manufacturer or operator – the Xe series offers the right solution for every requirement.

One standard product – numerous possibilities

For operators or original equipment manufacturers of machines and plants, it is crucial that the drives used there are robust, reliable and easy to maintain. The industrial gear units of the Xe series efficiently meet these requirements.

The intelligent, universal gear unit concept impresses with its fine size graduation, high installation variability and the large number of additional modular features and options such as motor adapters, backstop, various sealing and shaft systems, and many more. The wide ratio range of 6.3 – 450 and the robust design make the All-Rounder the right choice in many industries and applications.

Whether crane, conveyor belt or mixer – with the Xe series and the industry know-how of SEW-Eurodrive, you are opting for maximum availability and a reliable partner. And if our modular system does not have the right solution for you, we will customize our gear units for you.

This is what makes the Generation Xe unique:

Contactless sealing systems

  • No wear at input and output shaft
  • No oil losses
  • Higher operational safety
  • Significantly longer maintenance intervals for your drive system

Thermally improved oil level

  • We are aware of the fine line between reducing the oil limit and obtaining an optimal heat dissipation
  • Ideal reduction of the oil bath temperature
  • Improvement of the operational reliability
  • Savings of up to 29% of oil volume
  • Extension of the oil service life by up to 110%, and so extended oil change intervals
  • Reduced churning losses by up to 87.5%
  • Reduced oil bath temperature by up to 8%
  • Increased thermal limit rating by up to 32%

Optimized bearing preload

  • Order-specific settings – always the right bearing preload
  • Reduced formation of heat spots
  • Low compression
  • Increased bearing service life of your gear unit by up to 220%
  • Increased thermal limit rating by up to 24%
  • Reduced oil bath temperature by up to 4%

Optimized tooth flank topology

  • Tooth flank topology resistant to displacements
  • Meshing interference can be tolerated better
  • Avoidance of downtimes
  • Increase in system availability
  • Optimized bearing preload
  • Higher operational reliability of the drive when external forces affect the shafts
  • New calculation landscape combined with optimized tooth flank topology
  • Increase of the static overhung loads at unfavorable application angle of up to 41%
  • Lower gear unit noise due to optimized tooth meshing

Improved bevel pinion housing

  • Optimized oil flow and so greater operational reliability
  • Higher thermal rating
  • Higher powers can be transmitted without unexpected machine downtimes
  • Basis to obtain a reduction of up to 30% in system power loss
  • Increased operational reliability and improved cold start behavior
  • Increased overall limit rating by up to 153%

Universal fan guard

  • The arrangement of various fan sizes (boost, balanced, silent) and fan types under one guard
  • Fixed installation dimensions in your system
  • Ideal cooling in compliance with the given sound pressure limits
  • Reduced oil bath temperature by up to 36%
  • Increased thermal limit rating as compared to the current axial fan by up to 54%
  • Lowered sound pressure level as compared to the current axial fan by up to 7 dB(A)

More Information

Generation Xe – efficient. experienced. excellent

Want to avoid an initial oil change after 500 hours of operation? With SEW-Eurodrive’s Xe series industrial gear units, you can save yourself the time and expense this involves.

They have established a closely monitored running-in and cleaning process during production. In conjunction with their SEW GearOil lubricants and their unique additives, this means they can provide you with a drive package tailored to your application that will not require an early oil change.

Find out more about SEW GearOil

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SEW Eurodrive – Unstoppable, Integrated, United

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SEW’s passion for technology has served them well over the years: new products designed and manufactured, the adoption and creation of technology and solutions for industry, as well as steadied expansion in the face of challenges. Driving the world is what they do

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