E-Axle Test Bench

SPECIFICATIONS / FEATURES
Variable input speed settings for versatile testing
High-precision torque transducers and encoders
Accurate oil filling and drainage system (forced or gravity)
Hydraulic actuation of internal brakes
Adaptable for multiple axle types and variants

CHALLENGE

Automotive manufacturers require precise and reliable testing of rear axles for passenger, commercial and heavy vehicles to ensure performance, safety and quality on the production line. Challenges included handling multiple axle variants, accurately measuring torque and RPM and integrating oil dispensing and braking systems for comprehensive validation.

SOLUTION

TMCS delivered a customized E-Axle Test Rig equipped with advanced measurement and control systems. The solution integrates NI hardware for signal conditioning and acquisition, LabVIEW for application software development, PLC control, and MySQL database for test data management. The rig is designed for adaptability across axle types and variants, with precise torque measurement, braking and oil management
systems.

TEST TYPE DESCRIPTION / PARAMETERS MONITORED
RPM Measurement
Direction of rotation, torque
Braking Performance
Pressure, torque, noise
Differential Lock Test
Torque distribution, vibration
Gear Ratio Validation
Speed ratio accuracy, rotational direction

TECHNOLOGY USED

  • NI Hardware – Precision data acquisition
  • LabVIEW – Test automation & control
  • PLC System – Real-time operation
  • MySQL – Data management
  • Torque & RPM Sensors – Performance validation
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