1. Experimental testing of mechanical systems

Diagnostic tests:

  1. absolute vibrations
  2. relative shaft vibrations,
  3. stresses,
  4. pressures
  5. forces,
  6. deformation
  7. sound
  8. sound intensity.

 

Monitoring the actual technical condition of mechanical systems:

  1. periodic monitoring,
  2. permanent monitoring

 

Structural testing of mechanical systems:

  1. Modal Analysis:
  2. on its own frequency,
  3. the modal damping,
  4. the main forms of oscillations,
  5. structural modifications

 

Object of the test:

  1. turbines,
  2. generators,
  3. hydro / thermo-mechanical equipment,
  4. dams,
  5. pipelines,
  6. ship locks,
  7. Machine tools,
  8. Fans,
  9. cyclones, mills and other rotating machinery.

 

Balancing of rotating machines in their own bearings in one or more correction levels:

  1. balancing of rigid rotors,
  2. balancing of flexible shafts:
    1. the mechanical imbalance,
    2. the electrical imbalance,
    3. the thermal imbalance,
    4. the hydraulic imbalance.

 

Design and implementation of systems for protection against noise, vibration, shaking and shock:

  1. elastic suspension,
  2. isolation,
  3. absorption.

 

Geometric accuracy testing of machine tools, plants and equipment:

  1. Verification of the designed parameters during and after fabrication and assembly;
  2. Technical diagnostics exploitative conditions of mechanical systems based on the determination of the geometric accuracy.

 

Attesting equipment from the standpoint of safety at work:

  1. balers, shears and other machines,
  2. cranes.

 

2. Static and dynamic structural calculations (sdrc i-deas)

  1. Spatial modeling of complex structures,
  2. Structural design strain-stress state,
  3. Dynamic analysis,
  4. Optimization of structures and substructures,
  5. Calculation of the substructure.

 

3. References for Hydro/Thermal Power Plants

  1. HE “Đerdap-1“,
  2. HE “Đerdap-2“,
  3. HE “Bajina Bašta“,
  4. HE “Pirot“,
  5. HE “Vlasinske hidroelektrane“,
  6. HE “Perućica“,
  7. HE “Piva“,
  8. HE “Višegrad“,
  9. TE “Kosovo“,
  10. TE “Kostolac“,
  11. TE “Obrenovac“,
  12. TE “Pljevlja“,
  13. TE “Gacko“,
  14. TE “Ugljevik“.