Our expertise

MAINTENANCE

Electromechanical Maintenance

Ensuring the availability and increasing the reliability of your AC/DC motors and your elements,
such as reducers, pumps, ventilators etc.

Solutions

AC Motor

Ranges processed

  • Aluminium and cast iron induction motors
  • Medium voltage motors
  • Rotor squirrel cages
  • Wound rotors
  • Explosive atmospheres (SAQR-ATEX certification)
  • 0.02 kW to 2 MW alternators

Procedures

  • Metrological monitoring
  • Class H motor winding
  • Load test up to 750 kW
  • Vibration signature
  • Stator surge monitoring test / magnetic sheets  

Solutions

DC Motor

Ranges processed

  • DC motors
  • 0.02 kW to 2 MW alternators
  • Generators

Procedures

  • – Metrological monitoring
  • Class H motor winding
  • Load test up to 750 kW
  • Vibration signature
  • Static test induced by injection of direct current
  • Static monitoring of pole inductors
  • Induced balancing
  • Adjustment of the “zero line”

Solutions

Gearmotor / reducer

Ranges processed

  • Spur gear, cylindrical gear, bevel gear, spiral bevel gear, hypoid gear, herringbone gear.
  • Gear reducers with helical bevel gears: axial output, orthogonal, tilted, worm and wheel, cycloidal.
  • Gear reducers with low backlash.

Procedures

  • Monitoring of gear teeth, lubrication
  • Bleeding, magnetoscopy
  • Vibration and heat signature

Solutions

Ventilation

Ranges processed

  • Axial or helicoidal ventilator
  • Radial ventilator
  • Centrifugal draw ventilator (ID)
  • Process ventilator
  • High temperature ventilator
  • High pressure ventilator

Procedures

  • Change / Adaptation: bearings and transmissions
  • Balancing
  • Repair / Reconstruction: ventilator / scroll / turbine / chassis

Solutions

Pump

Ranges processed

  • Surface pumps
  • Single-cell / multi-cell horizontal centrifugal pumps and vertical centrifugal pumps
  • Vortex or single-channel submersible pumps
  • Lifting or submerged pumps
  • Dry vacuum or liquid ring pumps, gas and roots boosters (Hibon)

Procedures

  • Rise in water: Flow / pressure characterisation
  • Static pressure-up: Seal test at nominal pressure
  • Construction appropriate for liquids and difficult environments

Solutions

Onsite service

  • Managing a global annual shutdown project
  • Removal / refitting of motors, fan motor, reducer, bearings maintenance
  • Chassis modification for motor adaptation
  • Maintenance, control and monitoring of your motors on site, brush maintenance
  • Direct laser and belt pulley alignment
  • Turbine balancing, crusher, etc.
  • Improvement of your products’ MTTR (Mean Time to Repair / Average Technical Repair Times)

 

Case studies

Linked case studies

Our expertise

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