Bis unveils grader for underground coal mines

Bis’ underground services team in Tomago, New South Wales has developed an underground grader for the coal sector.

The grader, named Razor, is the first in a pipeline of innovative products that the company has planned for coal mining.

Razor has been designed to be safer, more productive and agile. It has 55 per cent greater engine power than comparable machines.

Bis general manager Mark Doyle believes the grader has more tractive effort, increases power, is safer for the operator and provides more uptime.

“Razor has been designed with miners, for miners and is born from our deep understanding of the coal industry,” Bis chief executive Brad Rogers said.

“We own the nation’s largest underground hire fleet as well as a capable and experienced underground workforce in our UGM business, with operations across New South Wales and Queensland.”

Razor has four gears rather than three, giving greater flexibility on difficult ground. Its operator compartment layout also improves access to all controls and provides greater visibility of the blade and steering tyres.

The grader provides access to the cab from both sides and its braking system incorporates dual spring applied hydraulic released (SAHR) emergency or park brakes directly coupled to the rear drive wheels.

“The concept for Razor started within underground by looking at existing machines and talking to grader operators to understand how we could design a better product – all the way from performance to changing the cab ergonomics to improve comfort,” Doyle said.

Bis is taking Razor on a roadshow across New South Wales and Queensland. Upon its return to Newcastle, Bis will put Razor to work at a local underground coal mine.

Razor’s development follows the launch of Bis’ dump truck Rexx. The company is building  a second Rexx for deployment into a commercial haulage contract.

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