Mechanical Engineer

Equipment Maintenance and Reliability

Beneficiation plants operate in highly abrasive, corrosive, and dusty environments that cause severe wear and tear.

• Preventive Maintenance: Designing and executing schedules for inspections, lubrication, and parts replacement.
• Corrective Repairs: Leading teams to quickly fix unexpected equipment breakdowns to minimize plant downtime.
• Predictive Monitoring: Using vibration analysis, thermography, and oil analysis to catch machine failures before they happen.
• Shutdown Planning: Organizing major planned maintenance shutdowns, including budgeting, scheduling, and labor allocation.

Asset-Specific Management

Mechanical engineers look after massive, specialized equipment designed for size reduction and separation.

• Crushing & Milling: Maintaining jaw crushers, cone crushers, SAG mills, and ball mills, including replacing worn internal liners.
• Slurry Transport: Managing heavy-duty slurry pumps, pipelines, and valves subject to extreme abrasive wear.
• Separation Equipment: Overseeing the mechanical integrity of flotation cells, magnetic separators, spirals, and hydrocyclones.
• Dewatering Systems: Keeping thickeners, vacuum filters, and filter presses operating to remove water from final concentrates.
• Material Handling: Maintaining long conveyor belts, stackers, reclaimers, feeders, and bin systems.

Process Optimization and Capital Projects

Engineers constantly work to make the plant run more efficiently and handle capacity upgrades.

• Continuous Improvement: Modifying chutes, liners, and piping layouts to reduce material bottlenecks and wear.
• Root Cause Analysis (RCA): Investigating repeated mechanical failures to redesign parts for longer service life.
• Vendor Management: Collaborating with equipment manufacturers to source high-quality, wear-resistant spare parts.
• CapEx Execution: Installing, testing, and commissioning new machinery or plant expansions.

Safety and Environmental Compliance

Mineral processing involves high pressures, heavy rotating masses, and hazardous chemicals.

• Safety Standards: Enforcing Lockout-Tagout (LOTO) protocols during maintenance to ensure zero energy states.
• Risk Assessments: Conducting Job Safety Analyses (JSAs) before executing hazardous or heavy lifting tasks.
• Dust & Spill Control: Maintaining dust suppression systems and conveyor skirting to protect worker health and the environment.
• Water Management: Ensuring recycling pumps and tailing disposal systems prevent environmental contamination.