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Train & Rail

Fatigue Strength

Train & Rail

Fatigue Strength

Static and dynamic tests on car bodies, bogies, parts and components

Testing and qualification according to common standards such as DIN EN 12663 - DIN EN 13749 - VDV 152 - EN 12082 - UIC regulations to demonstrate the

Operational Strength of

  • Car Bodies
  • Bogies
  • Parts and Components

Fields of Application

  • Testing of head, medium and double-decker coaches, tram modules or locomotive frames
  • Investigation of car body structures considering new production technologies and lightweight construction
  • Validation of designs in vehicle development

Services

  • Static testing of car bodies in accordance with DIN EN 12663 or other regional standards
  • Execution of static and dynamic tests with standardized load specifications or customer-specific requirements
  • Creation of load assumptions and load spectra
  • Online display of bending lines with predictions for direct comparison with the FE-Model and customer presentation
  • Optical absolute displacement measurement for car bodies with bulging
  • Measurement of strains and deformations
  • Testing under consideration of environmental influences
  • Modal analysis

Technical Data for Car Body Test Benches

  • 2 wagon body test benches in parallel operation
  • Each with up to 30 hydraulic cylinders
  • Each with up to 500 measuring channels if required
  • Longitudinal compressive forces up to 5,000 kN to meet US standards
  • Suitable for car bodies and/or coupled tram modules up to 32 meters in length

Fields of application

  • Approval testing for all types of bogies (multiple units, locomotives, streetcars, freight and passenger coaches, special vehicles) in accordance with DIN EN 13749, VDV152, UIC regulations and other standards
  • Strength and functional tests per customer requirements to support new bogie designs early in the development phase
  • Acquiring insights for production optimization and selection of manufacturing processes

Services

  • Static and dynamic tests with individual load components
  • Testing of two-axle and multi-axle frames
  • Continuous damage monitoring
  • Optical measurement of the frames before, during and after the test in consultation with the customer
  • Measurement of strains and deformations
  • Non-destructive testing, damage analysis, test program development and measurement runs are offered as additional services

Technical Data for Bogie Test Benches:

  • Static and dynamic tests on 12 bogie test benches, each with 30 cylinders in parallel operation
  • Use of state-of-the-art measurement and control technology as well as iteration software to increase test frequencies
  • Two-axis and multi-axis frames with calculated control channels
  • Bogie frames with passive and active tilting technology
  • Internal pressure simulation

Fields of application

  • Performance tests on wheelset bearings in accordance with DIN EN 12082
  • Strength and functional verification of components such as brake components, springs and dampers, rubber-metal elements, wheelset bearing housings, brackets, couplings, wheel swing arms, stabilizers, cross members, anti-roll bars and roof or floor panels
  • Static strength verifications on multi-material lightweight structures such as front hoods and floor assemblies
  • Service life tests taking into account typical vibration and oscillation influences

Services

  • Development of test bench concepts to implement the required test conditions / flexible test setups
  • Strength verification under the influence of static and dynamic tests
  • Permanent damage monitoring
  • Non-destructive testing
  • Vibration and oscillation testing on high-performance shakers
  • Tests under high and low temperatures

Technical Data - Capacity

  • A total of 16 test benches for individual tests in parallel operation
  • Up to 10 control channels and 50 measurement channels per test stand
  • Four test benches for performance tests on wheelset bearings in accordance with EN 12082
  • Test stand for water tightness tests on wheelset bearing seals in accordance with EN 12082
  • Use of state-of-the-art measurement and control technology as well as iteration software to increase the
    test frequencies
  • Operating load simulation
  • Decoupled clamping foundations
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