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List of KIMM TechnologiesMechanical Systems Safety Research Division

Structural Stability Assessment Technology

Division Mechanical Systems Safety Research Division > Department of Smart Industrial Machine Technologies
Name Dr. Jeongwoo Han
Department Department of Smart Industrial Machine Technologies
Tel +82 - 42 - 868 - 7432
E-mail jwhan@kimm.re.kr
Attachment Download 139_Structural_Stability_Assessment_Technology.pdf (3.8 KB)

Structural analysis/design technology

Fatigue analysis and life assessment technology

Structural Safety test and assessment technology (Static/dynamic load test, fatigue and endurance test)

 

Client / Market

  • Railroad car
  • Construction machine /agricultural machine
  • Defense industry (armored car, tank, etc.)
  • Aircraft

Necessity of this Technology

  • Safety, reliability, and weight reduction of the structure through the structural test and assessment

 

Technical Differentiation

  • Static load, dynamic load, fatigue load test for large full-scale structure
  • 50 ton, 100 ton UTM
  • Reaction test bed: 25 m(L)×12 m(W)×1 m(T)
  • Reaction test wall: 25 m(L)×8 m(H)×1 m(T)
  • Structural bearing capacity: 1,000 ton (distributed), 100 ton (point)
  • Digital controller (FlexTest 200, 2 sets): Simultaneous control of 20 actuators each station (8 stations)

 

 

Excellence of Technology

(Railroad car)Railroad car bogie frame/car body structure
  • Research objective: Fatigue test of bogie frame structure for railroad car
  • Research content: Static load test, fatigue load test
  • Fatigue test conditions (UIC615-4)
    - Stage 1: 100% (vertical load + lateral load + twist load) 6,000,000 cycles
    - Stage 2: 120% (vertical load + lateral load + twist load) 2,000,000 cycles
    - Stage 3: 140% (vertical load + lateral load + twist load) 2,000,000 cycles
  • Measured data: Strain gauges, LVDT (over 80 chs)
  • Crack inspection: Magnetic particle test (MT)
  • Domestic/Exporting railroad car (KTX, Honam Line, maglev train, light rail)

 

(Construction machine/agricultural machine) Construction machine/agricultural machine structure
  • Research objective: Durability test for wheel loader front/axle, agricultural machinery/harvesting machine structure
  • Research content: Static load test, fatigue load test
  • Fatigue test conditions
  • Field test/working load analysis
  • Durability condition, loading freq.

 

(Defense/aviation) Design and development test for Korean armored vehicle and aircraft
  • Durability test of wheeled armored vehicle frame structure
  • Design and development test for T-50 fuselage design and development test and Surion fuselage

 

CURRENT INTELLECTUAL PROPERTY RIGHT STATUS

PATENT
  • A Load-testing Apparatus for a Train Bogie Frame (KR0896952)
KNOW-HOW
  • Design technology for test apparatus for 4-score suspending realizing vertical ground reaction force

 

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