Steel-Steel Combinations

Thinking laterally – High gear ratio in only one stage

The speeroX gear set relocates the gearing of the wheel to the flat side. This results in a spiral gearing that is driven by a modified worm screw. The spatial arrangement reduces the installation space. This results in kinematically favorable conditions that reduce the sliding components and thus the friction. Nevertheless, the gearing remains quiet thanks to the high overlap and the sliding engagement. A low-wear steel-steel pairing increases power density and service life.

In the right application, the speeroX gear set beats conventional multi-stage gears in terms of the gear ratio. It is quiet and features high efficiency with a long service life. And all this in only one gear stage with a reduced weight and installation space, consisting of just two components (worm and wheel) that make installation easier.

An overview of advantages

  • High performance particularly when there is only one direction of rotation through the preferred flank
  • High degree of efficiency through friction reduction due to favorable kinematic conditions
  • Low noise emission due to balanced proportion of sliding parts
  • Long service life and high power density through special wear-free steel/steel pairing
  • Reduced installation space thanks to separation of the wheel and worm screw
  • Low weight and easier installation through low number of components (wheel and worm screw)
  • High gear ratio and power flow around the corner in only one stage

Advantages of speeroX in comparison to conventional solutions

speeroX vs. multi-stage solutions

(e.g. planetary stage + bevel gear set, 2 spur gear stages, …)

  • Fewer components
  • Smaller installation space
  • Lower noise emissions
  • Easier assembly

speeroX vs. worm gear sets

  • Higher efficiency
  • Longer service life
  • Smaller installation space
  • Lower torsional backlash over service life

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