- Superior Environmental Protection (Dust, Water, Mud)
Mining sites expose electrical systems to:
- High-pressure wash-downs
- Mud, slurry, and coal dust
- Underground humidity or water ingress
Overmoulding creates a sealed interface around the connector, often allowing IP67–IP69K protection, drastically reducing failure from corrosion or contamination.
- Improved Vibration & Shock Resistance
Mining equipment (excavators, drills, crushers, haul trucks) generates extreme vibration.
Overmoulding:
- Secures the cable to the connector body
- Reduces conductor fatigue
- Prevents contacts backing out
- Minimises connector cracking
This improves long-term reliability of wiring harnesses.
- Strain Relief That Prevents Cable Breakage
Cable breakage at the connector is one of the most common failure modes in mining. Overmoulding provides:
- Engineered strain relief
- Flexible transition zone
- Protection against repeated bending and pulling
This dramatically extends cable life.
- Chemical & Abrasion Protection
Mining environments often include:
- Hydraulic fluids
- Diesel
- Oils and greases
- Abrasive dust
Materials like TPU and nylon used in overmoulding are resistant to these chemicals and offer excellent abrasion protection.
- Better Mechanical Protection
Overmoulds act as a built-in armour layer around electrical joints, protecting them from:
- Impacts
- Crushing
- Snagging
- Cable whipping
This reduces unscheduled downtime caused by harness damage.
- Reduced Maintenance & Increased Uptime
Because overmoulding prevents:
- Water ingress
- Wire pull-out
- Vibration damage
- Corrosion
…you get fewer connector replacements or troubleshooting callouts.
This directly contributes to higher machine availability—critical in mining operations.
- Simplified Installation & Better Ergonomics
Overmoulding can incorporate:
- Custom grip shapes
- Keyed features
- Colour coding
- Identification labels
This speeds up service work and reduces wiring errors.
- Custom Shapes for Tight or Hazardous Locations
Mining machines often have limited space for harness routing. Overmoulding allows:
- Low-profile connectors
- Right-angle exits
- Integrated clips or mounts
This makes installations cleaner and safer.
Contact Allplant Auto Electric to find out more about our Allplant Auto Electric in house overmoulding servises.
