ERNST

Powertrain testing

Depending on the application, two (or four in 4-E-driveline testing) dynos are used to test individual drive axles and entire drive trains.

The testing of entire drive systems with regard to the interaction of individual components as well as the coordination of the components with each other is an essential part of today’s development processes.  

In recent years, ERNST has specialized in customer-specific solutions in this area and, as a system supplier, is able to manufacture the complete mechanics of such systems.

This includes the design as well as the entire mechanical processing up to the in-house installation.

The setup varies from rigid machine frames with base mounting to adjustable base structures. Both the track width and the wheelbase can be continuously adjusted here.   

Drawings

Properties

  • Customer-specific design
  • Track width setting via linear guides
  • Overload protection due to safety couplings
  • 3D cable chains
  • Pneumatic clamping elements
  • Customer-specific adaptation
  • Turnkey solution by ERNST

Options

Wheel base setting via linear guide and toothed rack

Wheel base setting

Flywheels

Flywheels

Shaft guard

Shaft guard

Test bed

DUT palett

Adjustable spindle unit, including centering aids

Adjustable spindle unit

Test piece adaptation and accessories for completing your test bed

DUT adaption

Cardan shaft for back-to-back performance tests

Cardan shaft

Calibration lever for HBM torque force transducer

Calibration lever for HBM torque meter

Product examples

PSA 2-E-PST

PSA 2-E-PST, incl. wheel base adjustment, flywheels and shaft guard

Technical data:

  • Speed range: up to 2800 1/min
  • Torque range: up to 3000 Nm
  • Power: 540 kW
  • Vibration monitoring
  • Extended wheel base adjustment
  • OPTION: Wheel base setting
  • OPTION: Track width setting via linear quides
  • OPTION: Flywheels
  • OPTION: Shaft guard
PSA 2-E-PST

Mahle 2-E-PST, incl. shaft guard, test bed, adaptation and DUT assembly

Technical data:

  • Speed range: up to 3000 1/min
  • Torque range: up to 4200 Nm
  • Power: 420 kW
  • Vibration monitoring
  • Overload protection due to safety couplings
  • OPTION: Shaft guard
  • OPTION: DUT palett
  • OPTION: DUT adaption
  • OPTION: Cardan shaft
Cardan shaft for back-to-back performance tests

Bertrandt 4E-PST, incl. wheelbase adjustment, shaft guard and cardan shaft

Technical data:

  • Speed range: up to 3000 1/min
  • Torque range: up to 4800 Nm
  • Power: 480 kW
  • Vibration monitoring
  • Divided spanfield
  • Two configurations: 4-E-operation or 2 x 2-E-operation
  • OPTION: Wheel base setting
  • OPTION: Track width setting via linear guides
  • OPTION: Shaft guard
  • OPTION: Cardan shaft

Powertrain testing in use

ERNST Contact Test systems

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