Mechanical resistance tests

tests of mechanical resistance:

Products´ resistance tests for linear acceleration, vibration, shocks, including combine load with climatic effects:

  • Vibration tests
  • Resonance determination
  • Shocks
  • Accident safety
  • Combined tests (vibration, shocks, temperature, humidity)
  • Linear acceleration


EQUIPMENT (selection):

  • Electrodynamic vibration and shock device LDS V890-LPT900 COMBO (max. static load up to 700 kg, frequency range 1 – 2,300 Hz, peak force at sinusoidal vibration 53.4 kN, RMS force at random vibration 55.6 kN, peak force at half-sinusoidal shock 166.8 kN, max. deviation amplitude 25.4 mm, speed 1.6 m.s-1, acceleration 392 m.s-2, scattered magnetic field < 2.0mT)
  • Electrodynamic vibration and shock device TIRA S597/LS-340 (max. static load 610 kg, frequency range DC – 3,000 Hz, peak force at vibration 35 kN, at shock 70 kN, max. deviation amplitude 25.4 mm, max. velocity amplitude at vibration 1.8 m.s-1, at shock 2.5 m.s-1, max. acceleration amplitude 110 g, at shock 220g)
  • Electrodynamic vibration and shock device LDS V850-440 HBT600 COMBO (max. weight of the specimen under test 350 kg, usable frequency range 1 – 3000 Hz, peak sine force 22,2 kN, max. RMS random force 22,2 kN, peak shock force 66,7 kN, max.velocity 2 m.s-1, max. acceleration 600 m.s-2)
  • Climatic chamber CTS (-70 to 180 deg C, relative humidity 10 to 95 %, temperature variation rate 2 K.min-1, dimensions (width x height x depth) 1200 x 1050 x 1100 mm, two openings for cables 12 cm dia, max. bottom load 150 kg.m-2
  • Temperature chamber Vötsch VTV 7060-5 (temperature -70 to 180°C, temperature change rate 5 K.min-1, -dimensions (w/l/h) 800×950×800 mm, -holes for cabling, diameter 12cm)
  • Vibration control systems SD 2552B (8 inputs for vibration control and test monitoring) and VR8500 and VR8500-8 (4 and 8 inputs for test control and monitoring)
  • SMK1 centrifuge (mass of article tested max. 50 kg, its max. dimensions 500 x 500 x 500 mm, acceleration range 0.5 – 25g)

 

Standards (most frequent types of tests):

ČSN EN 50125-1  

Railway applications - Environmental conditions for equipment - Part 1: Equipment on board rolling stock


ČSN EN 50155

Railway applications - Electronic equipment used on rolling stock


ČSN EN 60068-2-6

Environmental testing - Part 2: Tests Fc: Vibration (sinusoidal)

ČSN IEC 68-2-7

Elektrotechnical and elektronic products.

ČSN EN 60068-2-27

Basic environmental testing procedures. Part 2: Tests. Test Ea and quidance: Shock

ČSN EN 60068-2-29

Basic environmental testing procedures. Part 2: Tests. Test Eb and guidance: Bump

ČSN EN 60068-2-47

Environmental testing - Part 2-47: Tests - Mounting of specimens for vibration, impact and similar dynamic tests

ČSN IEC 68-2-50

Basic environmental testing procedures - Part 2: Tests - Tests Z/AFc: Combined cold/vibration (sinusoidal) tests for both heat-diddipating and non-heat-dissipating specimens

ČSN IEC 68-2-51

Basic environmental testing procedures - Part 2: Tests - Tests Z/BFc: Combined dry heat/vibration (sinusoidal) tests for both heat-dissipating and non-heat-dissipating specimens

ČSN IEC 68-2-53

Basic environmental testing procedures - Part 2: Tests - Guidance to Tests Z/AFc and Z/BFc: Combined temperature (cold and dry heat) and vibration (sinusoidal) tests

ČSN EN 60068-2-57

Environmental testing - Part 2-57: Tests - Test Ff: Vibration - Time-history method

ČSN EN 60068-2-59

Environmental testing. Part 2: Test methods - Test Fe: Vibration - Sine-beat method

ČSN EN 60068-2-64

Environmental testing. Part 2: Test methods. Test Fh: Vibration, broad-band random (digital control) and guidance

ČSN EN 61373

Railway applications - Rolling stock equipment - Shock and vibration tests

RTCA/DO-160

Environmental Conditions and Test.Procedures for Airborne Equipment

MIL-STD-810

Environmental Engineering Considerations and Laboratoty Tests

VW 80101

Electrical and Electronic Assemblies in Motor Vehicles. General Test Conditions

 

CONTACT PERSONs:

Ing. Miroslav Valeš, Ph.D., Head of VZLU TEST, a.s.
tel: +420 225 115 267, e-mail: vales@vzlutest.cz

Ing. Richard Vilikus, Head of mechanical resistance test
tel: +420 225 115 190, e-mail: vilikus@vzlutest.cz