CS-17 Underground Coal Mine

Caledon Cook Colliery
ABM continuous miner cutter head to boom bolting
Original Set-Up
M42 Socket Head Cap Screws tightened with Torque Multiplier
Issues Experienced
  • OH&S concerns associated with torque multiplier (Pinch Points)
  • very tight working conditions
  • Not all bolts are able to be tighten sufficiently due to space limitations
  • Due to incorrect bolt loads being applied units continually vibrate loose during operation
Technofast Product Used

Special M42EziTite® Hydraulic Bolts

  • Easy installation and handling
  • removed major OH&S concerns
  • Nuts no longer vibrate loose during operation
Installation Time

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

Time Saving = 3 hours

CS-17 UndergroundCoal Mine
CS-11 Steel Mill

Many improvements to Steel Products

The use of the hydraulic bolts has improved the amount of time to bolt the head to the boom and also allowed for increased machine operation because the bolts are not coming loose

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.