Japanese

Proposing optimal
materials and design

Development aims

To investigate system design through the analysis of bearings while taking rigidity into account
To propose optimal bearing materials and design and help speed up the development process

Confirming effectiveness

Developing an extensive menu of options for model-based development (MBD)

One-side contact and wear

Crank bending and housing deformation ⇔ one-side contact

What the main bearing looks like from the outside after a durability evaluation is performed
What the main bearing looks like from the outside after a durability evaluation is performed
Results of EHL analysis: contact pressure distribution
Results of EHL analysis: contact pressure distribution
Predicting contact and wear occurrence after endurance evaluation is performed
Predicting contact and wear occurrence after endurance evaluation is performed
Predicting wear occurrence
Predicting wear occurrence

Seizure criteria

Contact analysis ⇔ seizure
Testing conditions: Number of revolutions, peripheral speed, set load, one-side contact angle

“Setting material criteria by contact load
Setting material criteria by contact load

Rear-side fretting

Assembly deformation ⇔ fretting

Predicting fretting damage from rear-side contact calculations
Predicting fretting damage from rear-side contact calculations

NV

Axial center variation ⇔NV

Measurement
Analysis
Predicting axial center acceleration based on the axial center trajectory

Related information

Model based development

  • Initiatives for the development of analytical and evaluative technologies
  • Proposing optimal materials and design
  • Seizure criteria analysis
  • 3D lubrication system analysis and wear analysis
  • Shedding light on mechanisms underlying issues with bearings
  • Setting criteria for cavitation erosion

    • Elemental technologies

    Products & Technology