WJ Engineering has the in-house capability to design in accordance with both national and international standards, supported by comprehensive Finite Element Analysis (FEA), fabrication shop general arrangements, and detailed manufacturing drawings tailored to client specifications and operational requirements.

By integrating design, FEA, and detailing internally, WJ is able to execute turnkey projects efficiently and with reduced lead times. All engineering and detailing processes are developed to support fast, accurate, and cost-effective production through our CNC manufacturing capabilities, enabling us to deliver reliable solutions with consistent quality and optimised project execution.

Ore Flow Analysis

At WJ, we believe that successful shaft conveyance design begins with understanding the actual ore flow conditions within a mining operation. Every mine is unique, and factors such as loading arrangements, ore characteristics, tipping methods, shaft configuration, and production targets all influence the performance of a conveyance system.

To ensure that our solutions are not only mechanically sound but also operationally optimised, WJ incorporates detailed Ore Flow Analysis into the design and evaluation of shaft conveyances and associated systems.

Ore Flow Analysis is the process of evaluating how ore moves through the complete hoisting cycle, from loading arrangements underground, through shaft hoisting, to discharge at surface or intermediate tipping points. The analysis considers:

• Ore and waste material characteristics
• Rock size distribution and fragmentation
• Loading and discharge rates
• Flow restrictions and bottlenecks
• Spillage and carryback risks
• Wear patterns on conveyance components
• Shaft cycle times and production requirements
• Interaction between conveyance design and ore handling infrastructure

Using engineering calculations, operational data, and simulation-based evaluations, WJ can assess how effectively a system performs under both current and future operating conditions.

By integrating Ore Flow Analysis into the design process, clients benefit from improved operational efficiency, reduced downtime, and increased confidence in system performance.

In addition to incorporating Ore Flow Analysis into our own conveyance designs, WJ also offers this service independently to mining clients who require evaluation, optimisation, or review of existing systems.

By combining practical mining experience with advanced engineering analysis, WJ delivers solutions that improve reliability, efficiency, and operational performance throughout the hoisting system lifecycle.

Consultation

WJ offers consultation and feasibility studies to assess the potential for upgrading and optimising shaft conveyance systems. Our evaluations focus on improving operational efficiency, production capability, safety, and long-term system performance.

Crash Simulations

Crash simulations and shaft layout analyses can be performed to enhance operational safety and reliability. Using advanced computer modelling and simulation software, WJ can digitally replicate collision scenarios affecting shaft conveyances and occupants. This enables detailed evaluation of an overwind condition within a virtual environment, minimising the need for physical testing while improving development efficiency and reducing project costs.

This simulation is done to ensure the component dimensions relative to each other are within allowable tolerances to ensure a safe detachment operation.