NARROW VEIN & LOW PROFILE
arrangement and a variety of options available along with the machine unveil the new PMKM 8030 as a more durable , more efficient and easier to maintain machine for , first and foremost , economic use in underground mining ,” Paus concluded .
Resemin ’ s first BEV step
Peru-based narrow-vein underground drilling equipment major , Resemin , is in the process of electrifying its diesel fleet .
The company , in May , confirmed its drilling jumbo , the Troidon 55-EV , will be the first rig to get the battery-electric treatment .
This battery-electric powered rig is designed for face drilling applications of up to 39 sq . m . It is equipped with a single 75 kW electric motor for traction and drilling , and three FZSONICK battery packs . The batteries will only be used for tramming , with the equipment plugged into the mine 380 / 440 / 550 / 1,000 V AC power grid during drilling .
Resemin said it plans to offer all its fleet with a battery-powered option during 2022 .
In Colombia , however , it is diesel-powered machines set to make a difference .
The company recently added Muki FF drilling rigs , SFL35 LHDs and Troidon XP drilling jumbos to Antioquia Gold ’ s new production fleet at the Cisneros gold mine .
The SFL35 , in particular , is significant as it is the first locally-made design of the Schopf mining LHD product line after the Peruvian company took over the German company ’ s activities outside of Europe from owner Goldhofer in 2017 .
The loader comes with a tramming capacity of 3.5 t and a width of 1.4 m .
‘ Surgical ’ mining progress
This year is turning out to be a significant one for Novamera and its Sustainable Mining by Drilling ( SMD ) surgical mining technology .
In January , the company announced Hochschild Mining had joined its Preferred Partner Program , entitling the precious metal miner to certain privileges , monetary discounts and advance insight into SMD . And , in the September quarter of the year , the company is set to start a proof of concept trial at Anaconda Mining ’ s Romeo and Juliet deposit in Newfoundland , Canada , using the most advanced prototype of the technology to date .
Novamera says it is developing “ keyhole surgery ” for mining , an innovative clean technology and process that will be able to mine the numerous small-scale narrow vein mineral deposits found worldwide more safely , economically and sustainably using pilot hole diamond drilling and downhole directional sensors with machine-learning algorithms to identify vein / host rock interfaces . It intends to then use industry-proven drilling technology – a variant of conventional Pile Top RCD drills used successfully by the construction industry – followed by a form of reverse circulation drilling to extract the ore .
As a first step with Hochschild , Novamera performed a conceptual evaluation to determine if the use of SMD as a mining method was economically viable for certain narrow-vein deposits at the company ’ s Inmaculada gold-silver mine in Peru .
Dustin Angelo , President & CEO of Novamera , told IM that the desktop study had been completed for Hochschild , and the company intended to present it to “ a broader audience within the organisation ” in the upcoming months .
Meanwhile , field trials of the guidance system to follow veins – an integral part of the SMD technology – was recently carried out in Newfoundland .
Angelo added on technology and corporate progress : “ We ’ ve made progress in terms of market awareness and are discussing with potential customers the opportunity to work together in some capacity .”
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