MINEXPO PREVIEW the GOAD-Automated Entry Driver ( AED ) system and is designed for headings as large as 60 ft ( 18.2 m ) wide and 35 ft ( 10.7 m ) high . The AED system is one of Fletcher ’ s latest technological advances , helping create a more automated drilling process by automatically positioning the boom and drilling to the desired depths .
Attendees will be able to interact with the FletchTech virtual interactive mining simulator on its booth . Featured on the system will be a Fletcher Model J251 ( single boom drill jumbo ) and a J352 ( dual boom drill jumbo ). The simulator will allow visitors to navigate through an entire drill plan either manually or through Fletcher ’ s new AED autonomous mode .
An interactive display that demonstrates the functionality of its new spatial recognition technology will also appear . The system uses LiDAR scanning and point cloud technology to allow the machine to recognise and analyse the mine face topology and surroundings .
As part of Fletcher ’ s partnership with UV Botswana , a Mine Scout supervision vehicle will sit on the stand . This model is designed for transport of two mine personnel frequently travelling between underground and surface . The machine is equipped with ample storage space for tools , spare parts and testing equipment . It is designed with maintenance in mind , with easy to access service points .
Fletcher will also showcase a Model 3224-AD scaling vehicle . This machine ’ s scaling boom is mounted on a heavy-duty slewing table and designed for a maximum boom reach of 24 ft ( 7.3 m ). It includes the capability to operate in tram and scale mode , allowing the operator to scale material during tramming from the operator ’ s compartment .
An additional display will feature Fletcher ’ s wet dust tank assembly . This dust collection system is available for new equipment , as well as a retrofit kit for existing equipment .
Both a wet and dry drill head , as well as Fletcher ’ s Octalock twist-lock socket adapter , will also appear on the booth . This adapter is an optional attachment to the drill head to provide a more “ stabilised roof bolting application ”, Fletcher explained . The design allows for a more secure fit for the drill steel through the hexagonal opening , helping prevent bent steel during the drilling process . The Octalock provides a faster transition between the drill steel and bolt , resulting in a more efficient bolting application . Additionally , when extracting the drill steel from the strata , the Octalock creates a more stabilised retreat of the drill steel to provide a safer work environment for the operator , according to Fletcher .
MacLean Engineering says its focus at MINExpo 2021 will be squarely on the latest outputs from the company ’ s technology development efforts in the areas of electrification , automation and digitalisation .
This will include the latest updates on the MacLean fleet electrification program and remote control and vehicle telemetry technology development , along with a virtual reality training tool demonstration .
Much progress has been made by MacLean since the last edition of the show in 2016 , where MacLean showcased its second-ever batteryelectric rock bolter . Since that time , the company has sold and commissioned over 30 batteryelectric vehicles and logged 80,000-plus hours of underground performance .
With the purchase of an underground test facility in 2018 and the creation of a dedicated R & D team now numbering a quarter of the company ’ s global engineering team , MacLean says its product development pipeline is tailored to meet the industry ’ s safety and productivity needs across the 21st century and beyond .
MacLean President , Kevin MacLean , said : “ We have been doing fit-for-purpose mobile equipment manufacturing for the past 50 years so , in one sense , ‘ Application Intelligence ’ is simply a continuation of the MacLean value proposition to the global mining industry . The only difference is the ramp up of our technology development capabilities and collaboration with producers and other OEMs , to make the underground environment safer and more productive .
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