March 15, 2016

A tough-as-nails approach snaps into action when mining and quarry equipment is procured, for the ground is soft and gritty on the surface but deceptively hard beneath. Infamous for its ability to blunt drill bits and corrode unrefined iron, the ground geology is a rock-solid mass laced with equipment-corroding water. Mud rules here, and it’s up to technology to fabricate equipment that can deliver productive results without submitting to the formidable weapons nature has on hand.


Proprietary drills and massive longwall excavation equipment extract minerals and ore from subsurface mines. The gear down this far is specially rated for handling excess moisture and can even work when rivulets of water are streaming down the wall. On the other hand, open pits and quarrying operations have a little more leeway. Traditional excavators, though on a larger scale, cut into the ground up here to expose limestone and granite. Later, both operations employ the long transit properties of conveyor systems, moving the quarried rocks and ore-laden matter to processing stations or idling utility trucks. Of course, a great deal of processing takes place between these two steps, work that relates to material reduction and screening.


The longwall coal digger has done its work and the quarry excavator is finished exposing limestone. There’s a likelihood of explosives at this point, at least in the quarrying scenario, with the monolithic shards of granite blown into finer chunks by carefully calculated explosive charges. Still, the pieces are irregularly shaped and they require further processing. Steel-edged crusher jaws match granite resistance, overcoming that tough resistance by employing hydraulic power. The granite is sized for construction industry applications and other uses, but this domain is far more manageable than a mining environment. Mines screen rocks and extract powdery deposits of gold or other precious metals. Even coal is subject to this screening action, with smaller grades finding their way to power stations and other situations where further action is mandated. Unlike quarrying, which functions more on stone reduction and basic sorting, ores and minerals must be graded and separated from the rock. Vibratory screens are part of this practice, as are efficient feeding mechanisms.

Technology coats these existing mechanisms with protective layers. Engineering plastics and shock-resistant elastomers absorb impact and provide a weatherproof barrier. Meanwhile, support equipment fills in the gaps in both operations, delivering the electrical generators, pumps, cables, and hydraulically driven tools that keep the process running smoothly.

Screening Technology Pty Ltd T/AS Hawk Machinery

Address: 7 Lantana St Blackburn North Vic 3130
Contact Person: Bohdan Blaszczyk
Phone: +61 3 9877 7777
Fax: +61 3 9877 8177
Mobile: 0411 099 989

Email: info@hawkmachinery.com.au

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