member of the UJV group

Dynamical Testing Laboratory

Fields of activity

Tests of strength and fatigue life of structures and their parts in the simulation of real operational loading by means of electrohydraulic loading system (means of transport etc.)
Fatigue tests of structural materials at temperaturesup to 1000 °C
Seismic resistance tests and vibration resistance tests
Fall tests of products up to the mass of 15 t
Laboratory strain gauge measurements of uniaxial and plane stresses
Strain gauge measurements of stresses under the operational conditions (including measurements on rotating parts of machines, in magnetic field, in corrosive atmosphere etc.)
Calculation prediction of operational fatigue life
Measurement of technological and residual stresses

Metro bogie frame for the city of Paris Bombardier Transportation Crespin

Equipment

INSTRON Schenck computer-controlled electro-hydraulic system with 25 independent channels and a set of hydraulic servo-cylinders of loading power from 7 kNto 630 kN and operating stroke from 20 mm to 250 mm - foundation structure of 11.5 x 14.5 m with Schenck 4000 multi-purpose modular clamping and support system - Germany
Two cushioned clamping blocks, dimensions 4 x 4 mand 4 x 8 m
Heavy bolster plate 5 x 10 m
Two vibration tables for shockproofness tests - vertical table - 1600 mm x 2000 mm, maximum loading 3000 kg, maximum stroke 100 mm, maximum acceleration 6 kg. Horizontal table - 1400 mm x 2500 mm, maximum loading 3000 kg, maximum stroke 250 mm, maximum acceleration 8 kg
Schenck universal testing machines of rated loading250 kN, 400 kN and 250 kN (resonance testing machine)
HBM static and dynamic measuring unit with automated data processing by PC, HBM Germany
DIA-DAGO software system for measurement analysis - GfSmbH Aachen, Germany
Computer System for measurement with A/D Board EISA-A2000

References

Fatigue tests of bogie frames according to UIC standards - SKODA TRANSPORTATION, VUKV, Bombardier Transportation Crespin, United Goninan (Australia)
Wheel vehicles – design optimalization and simulation of real operational loading, SKODA OSTROV, IVECO Czech Republic
Fatigue tests of construction parts of passenger cars and lorries, SKODA AUTO, Cummins India, SOR Libchavy
Seismic tests of nuclear power stations equipment for producers, SKODA JS, ABB s.r.o., ZAT Příbram, LEKOV, ENERSYS
Strength measurement of trolleybusses – SKODA Ostrov, Neoplan USA

Jan Chvojan chvojan@vzuplzen.cz
Tel.: +420 379 852 193, Fax: +420 377 533 358
Jaroslav Václavík vaclavik@vzuplzen.cz
Tel.: +420 379 852 162, Fax: +420 377 533 358

Výzkumný a zkušební ústav Plzeň s.r.o., Tylova 46, 301 00 Plzeň, tel: +420 379 852 275, fax: +420 378 134 290, e-mail: vyzkum@vzuplzen.cz