Nord-Lock Group Solutions by industry Group Mining and Minerals Virtual Mining
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ROPE SHOVELS 

Used to dig and load large volumes of overburden or ore in surface mining operations. These powerful machines rely on strong mechanical joints to stay safe and productive in harsh, high-load environments.

Common issues:

  • Vibration
  • Pin and bore wear
  • Loosening of structural bolts
  • Difficult access for preload

DRAGLINES 

Essential for large-scale excavation, draglines operate with long booms and massive structural frames, making them vulnerable to mechanical fatigue and joint movement.

Common issues:

  • Pivot wear
  • Bolt loosening in structural assemblies
  • Fatigue in swing systems
  • Difficult tensioning of segment bolts 

CRUSHERS 

Break down large rocks into manageable sizes for processing. Subject to extreme vibration, impact forces, and thermal cycling, making fastener integrity critical. 

Common issues:

  • Severe vibration 
  • Loosening of shell and spider bolts
  • Foundation instability
  • Uneven preload

HAUL TRUCKS 

Transport massive loads across rough terrain in open-pit mining operations. Fasteners and pins must withstand dynamic loading, thermal stress, and constant movement. 


Common issues:

  • Axle and suspension bolt loosening 
  • Wear in pivot joints
  • Unsafe bolting in steering linkages
  • Accessory vibration failures

CONVEYORS

Move material efficiently across mining sites. Long operating hours and constant vibration require durable, maintenance-free bolting. 

Common issues:

  • Bolt loosening in roller brackets and frames 
  • Misalignment
  • Maintenance interruptions

MOBILE EQUIPMENT

Earthmoving machines used for digging, grading, ripping, and loading across the mine site. These machines face extreme impact, pivot stress, and vibration, making joint integrity critical. 

Common issues:

  • Pivot wear
  • Loosening of bucket, blade, and tool bolts
  • Vibration and structural fatigue from heavy-duty operation

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