Services

Rotor Blade Refurbishment facility.

  • A well-equipped facility for Rotor Blade repair activity
  • A dedicated team of 20 experienced technicians and supervisor with the experience of 8 years of repairing more than 400 numbers of Rotor Blades

Up-tower Rotor Blade repair works.

  • Up-tower team repaired 65 numbers of Rotor Blades at the height of 80 meters
  • Team has the ability to understand the criticality of damage and perform repair works
  • Depending upon customer requirement ability to expand the team

– Team has successfully performed the repair works which majorly includes
– Removal and installation of damaged Discharge ring
– Leading edge and trailing edge repair
– Cross bolt repair from inside blade root
– Handling damages
– Tip side repair
– Repair of Surface defects

Post repair finish process

  • Sanding repaired area with 120 grit sand paper
  • Putty ( PU paste) application over the area
  • After curing perform second sanding operation with 120 grit sand paper
  • Apply base coat (Primer) and top coat

Rotor Blade repair process resin infusion method

  • Identification and marking of the repair area, grinding the area by keeping extra 100 mm at all sides of damage spot
  • Glass mat layup over the surface and vacuum bagging after placing glass mat
  • Start the vacuum pump to create vacuum inside the applied vacuum bagging film. Infuse the resin after getting the desired vacuum level
  • Apply heating for 5 hours to repaired area with the help of hot blower
  • Perform sanding operation with the help of 120 grit sand paper after curing the surface
  • Perform standard finishing procedure

Rotor Blade repair process by hand lamination method

  • Identification and marking of the repair area, grinding the area by keeping extra 100 mm at all sides of damage spot. Again grind the outer surface by keeping extra 100 mm
  • Apply resin and sufficient fibre glass layers with staggering to build required thickness
  • Application of peel ply over the glass mat
  • Apply heating for 5 hours for curing the repaired surface
  • Removing the peel ply and grind the surface
  • Perform standard finishing procedure

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