OPERATIONS

ControlMaster Haul Truck Guidance trialled at Hera

Pybar decided to trial RCT's ControlMaster Haul Truck Guidance at the Hera gold mine

Staff reporter

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PRESS RELEASE: The gold and lead zinc project increased productivity and reduced machine damage after equipping two of Pybar’s Caterpillar AD45 ejectors with the solution that simply guides the machines to the loading and dump points; it only requires operator intervention when the machine is being loaded.

The Haul Truck Guidance solution not only significantly increases tramming times and reduces damage to the loaders, it removes the need for back stripping for truck tips and for putting turning points in the orebody; eliminating any associated risk of stope instability. Having a haul truck reverse down long drives to backfill stopes also got much easier as a result.

Brendon Rouse, chief operating officer at Pybar, said that the system was significantly improving the company’s ability to safely and efficiently direct tip waste into a stope. He noted: “The Haul Truck Guidance solution has eliminated the need for operators to steer the truck down the long drives, and the need for developing truck turnaround bays near the stope tip heads. The system works in a similar way to the current Guidance system fitted on several of Pybar’s production loaders at numerous other sites.”

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Dave Holman, product manager at RCT, stated that this solution evolved from the ControlMaster Loader Guidance solution. He added: “It was specifically designed for the haul truck application after feedback from clients made us aware of the issues they were experiencing on site which included costly damage bills and erratic production results. RCT redesigned both the hardware and software to suit the requirements and a close collaboration with key mining companies ensured our unique solution was addressing all areas of concern.”

The Haul Truck Guidance solution is equipped with Guidance technology to ensure the operator avoids running into walls and obstacles to keep the truck on the optimal tramming path. In addition to this the steering, braking and speed of the truck are automatically determined by the minimum width of the drive and the look-ahead distance of the on-board laser units. There is also an object detection feature which further assists in tight areas.

Holman explained: “Automating the process simplifies the task of driving a haul truck long distances within tight space limitations to deliver consistent cycle times while heavily reducing machine damage simultaneously.”

Rouse said that given the success of the trial at Hera, Pybar was evaluating its application at other sites.

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