Norbar Case Study
CS-32 Quarry/Mining: Kalgoorlie WA Quarry – Technofast Case Study
Site
Kalgoorlie WA Quarry
Original Set-Up
Standard mantle nut supplied with machine which was tightened with large flogging spanner and removal was by oxy cutting the burn ring below the nut to release the pressure
Issues Experienced
- No Control of bolt load
- Use of large hammers and flogging spanner dangerous
- Cutting of burn ring is hazardous & requires replacement after each use
- Physically demanding
Installation Time
Old Method = 4-5 hours + (2-3 personnel)
New Method = 1 h 30 minutes (2 personnel)
Time Saving = 4+ hours
Application
Metso HP4 Crusher EziTite Head Nut
Technofast Product Used
Special EziTite® Hydraulic Head Nut
Benefits Experienced
- Easy installation and handling
- Removed the need for flogging spanner
- Burn ring still used for better seating and a extra back up removal
- Sacrificial cover made more robust for extra life
- Minimal physical effort required
Feedback Recieved
“The use of the EziTite® Head Nut has made the job a lot easier labour wise, faster and also has eliminated any OH&S concerns by getting away from flogging spanners, welding and burning.”
– Maintenance Supervisor
Application Pictures
EziTite® Hydraulic Head Nut installed
Sacrificial cover installed and the unit is now ready for service.
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