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What is SABR?

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is a proven shaft, gear and bearing, concepting and design package developed to integrate into the design process and reduce product development time. It provides an intuitive graphical interface allowing all or part of the transmission system to be modelled at a level of detail appropriate to the current design phase. Additionally, it allows the performing of sensitivity studies to determine the effect of different geometric features, bearing types, gear positions etc. with immediate results. The solvers themselves are based on engineering standards as well as Ricardo’s product design, manufacture and testing experience and are continually updated in line with real world test and development programmes.


  • Change effect assessment to determine implications of torque, speed, ratio etc. modification
  • Clean sheet concepting to determine basic shaft, gear and bearing layout
  • Education and understanding of transmission components
  • Reduced design lead time and subsequent component failure
  • Real world failure cause determination
  • Detailed transmission modelling, bearing and gear sizing to meet predefined duty cycle loading regimes

Key Features

  • Simple and intuitive user interface for quick and accurate model building
  • Coupling, point loads and torque dependant load applications
  • Gear Design for balanced life and to achieve targeted NVH criteria
  • Bearing Analysis with life calculation and stress plots accounting for loading and misalignment
  • Shaft Design and Analysis
  • Duty Cycles with multiple and complex load paths
  • Comprehensive results suite


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