Profile: McCabe Crushing

By: Chris McCullough, Photography by: Chris McCullough

Deals on Wheels writer Chris McCullough visited a quarry in Ballynahinch to meet the McCabe Earthworks team

The big Komatsu spends its days loading coarse rock into the Metso jaw crusher

Regarded as crushing experts across the UK and Ireland, McCabe Earthworks certainly has the experience having been working in the industry since its new company formation in the early 1990s.

The family business originated back in 1947 as McCabe Mileriver when Jack McCabe bought the first lorry and started supplying stone to the local community from the Mileriver quarry.
Jack’s six sons continued the business right through to the establishment of McCabe Earthworks in the early 1990s.

Business portfolio

Rock is crushed into various sizes for use in the construction industry

Based in County Monaghan, the company has a packed portfolio of fulfilling contracts such as the Dublin Port Tunnel, Dublin’s M50, the Landsdowne Rd Stadium, and Dublin’s LUAS just to name a few.

Today, the McCabe business of quarrying has carried on through the operations of Jack’s grandson John, now director of McCabe Earthworks Ltd. Using the most modern and efficient machinery, McCabe Earthworks is currently engaged in quarrying and mining activities throughout Ireland.

At the company’s disposal is a fleet of equipment, including jaws, cones, and impactors, which have crushing and screening capacities of up to 800 tonnes per hour per crushing unit.

Gerard Strain, left, and John Norwood from McCabe Earthworks

One of the main jobs the team is currently operating is at Northstone Quarry near Ballynahinch in County Down. Three members of McCabe Earthworks staff, including Gerard Strain from Newry and John Norwood from Lisburn, are on-site in the quarry blasting, crushing, and screening stone.

There are a number of machines set up in sequence to deliver a range of sizes of stone in the quarry where McCabe Earthworks has operated for a number of years now.
Gerard says, "We are now down four benches here in the quarry.

Once the rock is blasted out, we break the larger pieces down with the excavator and rock hammer. "Then the material passes through a jaw crusher, a face screener, a cone crusher, and screeners, separating the stones into different grades for end use."

Machines on-site

The lads use a Terex TA400 dumptruck to haul rock around the site 

In fact, the main jaw crusher on the site is a reliable Metso Lokotrack LT106 mobile jaw crusher, which is a primary crusher for aggregates production and recycling demolition and other waste. It’s designed to be easy to transport between sites and quick to set up.

The Lokotrack LT106 mobile jaw crusher is ideal for medium-sized aggregates production, as well as recycling demolition waste such as crushing concrete, which can be re-used.
It’s equipped with the Nordberg C106 jaw crushing unit, especially designed for crushing hard rock types such as granite, basalt, and gneiss.

The Cat engine with hydraulic drive ensures trouble-free operation. The hydraulic drive enables the crusher direction to be changed in the event of blockage to clear the cavity.
Additional features such as a radial side conveyor, screen module, or long main conveyor can be added.

With its powerful Cat engine, the Metso jaw crusher makes light work of crushing the blasted rock

This mobile crusher is mounted on tracks, so it can be easily moved inside a quarry or construction site and transported between sites on a low bed truck. After the material passes through the Metso jaw crusher, it’s around four to six inches in size.

It then enters a Powerscreen Warrior 1400X face screener, which basically cleans up the stones and discharges the fine material separately vis a chute. The Powerscreen Warrior 1400X is a flexible screening machine aimed at operators who require a high-performing, heavy-duty, versatile machine that remains easy to transport.

It offers improved performance, lower operating costs, and easier serviceability while building on the reliable foundation of the class-leading Warrior 1400 scalper. It’s designed with economy in mind, with reduced fuel consumption being achieved through a lower engine running speed of 1800rpm and enhanced hydraulics.

A variety of media solutions mean that the Warrior 1400X is extremely efficient in scalping, screening, and recycling applications and it can process mixed demolition waste, including green waste, soil, concrete, wood, and asphalt.

A series of crushers are used to deliver the end products

Next in the sequence is a Powerscreen Maxtrack PS1150 cone crusher that breaks the material down further into chip size around 20mm. This machine is a high-performance, medium-sized track mobile rock crusher with an independent pre-screening system.

At the heart of the Maxtrak is the Automax cone crusher with hydraulic setting, tramp release, and unblocking system. Its unique crushing action provides excellent capacity, high reduction, and good product cubicity for the production of high-quality aggregate and sub-base materials.

The added pre-screen option allows a sized product or dirt to be removed from the feed prior to entering the cone, thus maximising output capacity and quality. The 1150 Maxtrak Pre-Screen features a patent-pending hydraulic folding system, which allows for rapid conversion between pre-screen and direct feed configurations providing unrivalled versatility.

A level probe over the feed ring regulates the feed belt to ensure the cone chamber is choke fed, essential for maximum reduction, manganese life, and optimal product shape.
From there, the material enters a Terex Finlay 694 screener and a Powerscreen PS 2100X machine, which can separate the material into smaller sizes such as six, 10, and 14mm.  

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