Mills and Winder Details

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  • Client:De Beers Mines
  • Project Date:December 2019
  • Category:NDT Services
  • Project Manager:Seelan Moodley
  • Status:Completed
  • Tags:Industrial, Phased Array

Mills and Winder Details

Fermion Technologies has developed a special offering for the inspection of grinding mills and scrubbers, all done in an eight-hour shift.  This offering assists our clients to complete a "health check" on the equipment with a minimum shut duration.

What we did

The Mill Inspection Bundle consists of the following:


• Shell infrared inspection and ultrasonic thickness measurement


• Shell weld inspection


• Riding ring ultrasonic inspection (where present)


• Trunnion ultrasonic inspection (where present)


• Bolt ultrasonic inspections
• Gear and pinion inspections by means of advanced technologies


• Pinion shaft inspection
• Bearing inspections


• Drive train alignment check and verification


• Lubrication sampling

  • Drum shaft


    NDT: Ultrasonic inspection


    Mechanical inspection: Alignment and bearing inspection

  • Gearbox


    NDT: Gear and Pinion inspection (Eddy current or Magnetic Particle)


    Mechanical: Contact area

  • Brake Components


    NDT: In-situ testing of winder brake components using phased array OR ultrasonic

  • Sheave Spindles


    NDT: Magnetic particle or eddy current inspection


    Mechanical: Sheave wheel to winder drum alignment

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