Fatigue strength
Static and dynamic tests on car bodies, bogies, parts & components
Testing and qualification using common standards such as DIN EN 12663 • DIN EN 13749 • VDV 152 • EN 12082 • UIC regulations for fatigue strength verification of wagon bodies, bogies as well as parts and components.
Fatigue strength car bodies
Fields of application
- Tests of head, middle, double-decker cars, tram modules or locomotive mainframes
- Investigation of car body structures against the background of new manufacturing technologies and lightweight design
- Validation of designs in vehicle development
Services
- Static test of car bodies according to DIN EN 12663, alternatively also according to other regional standards
- Implementation of static and dynamic tests with standardised 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 pre-bent car body structures
- Measurement of strains and deformations
- Testing under consideration of environmental conditions
- Modal analysis
Car body test benches: Technical data
- 2 car body test benches in parallel operation
- Each with up to 30 hydraulic cylinders
- Each with up to 500 measuring channels if required
- Longitudinal compression forces up to 5,000 kN to cover US standards
- Car bodies and/or coupled tram modules with a length of up to 32 m
Fatigue strength bogies
Fields of application
- Approval testing of all types of bogies (EMU, DMU, locomotives, trams, freight and passenger coaches, special vehicles) according to DIN EN 13749, VDV152, UIC regulations, and other standards
- Tests according to customer requirements in order to safeguard the function and strength of projects and new types of bogie constructions already in the development phase
- Gaining knowledge for production optimisation and the choice of production methods
Services
- Static and dynamic tests with individual load components
- Test of two- and multi-axle frames
- Permanent damage monitoring
- Optical measurement of the geometrical dimensions of the bogie frame before, during and after the test in coordination with the customer
- Measurement of strains and deformations
- Non-destructive testing, failure analysis, test programme development and on-track measurements re offered as additional services
Bogie frame test benches: Technical data
- Two and multi-axis frames with calculated control channels
- Bogie frame with passive and active tilting technology
- Simulation of internal pressure
- Static and fatigue tests on 12 bogie frame test benches in parallel operation
- Each test bench is equipped with 30 hydraulic cylinders
Fatigue strength parts & components
Fields of application
- Proof of strength and function of components such as brake components, springs and dampers, rubbermetal-elements, housings, consoles, couplings, axle boxes, stabilisers, bolster and anti-roll bars
- Service life tests taking into account typical vibration and oscillation influences
- Performance test of wheelset bearings according to EN12082
Services
- Development of test bench concepts for the implementation of the required test conditions / flexible test set-ups
- Strength verification under the influence of static and fatigue load cases
- Vibration tests on high performance shakers
- Shock tests
Test benches for parts & components: Technical data
- A total of 16 test benches for individual tests in parallel operation
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