CS-06 Coal Mine

Rio Tinto Coal Mine (Bowen Basin)
9020 Dragline electric motor hold down bolts
Original Set-Up
Four 2” UNC Grade 5 bolts tightened with flogging wrench
Issues Experienced
  • No Control of bolt load
  • Difficult and confined location
  • Alignment time consuming due to movement when tighntening
  • OH&S issues with the use of flogging Spanner
Technofast Product Used

Standard 2” UNC high tensile EziTite® Hydraulic Nuts

  • Easy installation and handling
  • Removed the need for flogging spanner improving OH&S
  • Precise bolt load achieved
  • Units remained tight throughout operation period
  • Alignment speed dramatically increased
Installation Time

Old Method = 2-3 hours (3-4 personnel)
New Method = 30 minutes (2 personnel) including alignment

Time Saving = 1 hour and 30 minutes

CS-06 Coal Mine
CS-11 Steel Mill

Many improvements to Steel Products

No need to check if bolts are tight due to hydraulic load Applied. Alignment was very fast and simple requiring little physical effort

Dragline Planner- Mechanical

Innovation solutions for your industry.

Technofast Industries is an worldwide leader and specialist in Bolt Tensioning, providing innovative and effective technical solutions along with uncomprising customer service.