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June 9, 2015
Having learned from long experience, a British quarry values reliability in its primary breakers.
There are many layers of history present at the Huntsmans quarry in the Cotswolds region of England, starting with the occasional fossilized dinosaur footprint found in the Jurassic limestone being extracted there.
The first accounts of Cotswolds quarrying appeared in the Domesday Book of 1086, and the local stone was used for roofing slates in the 17th and 18th centuries. Huntsmans’ own company history is nearly a century long, and the company’s relationship with Atlas Copco goes back many years. With more than 60 employees, the quarry principally produces building stone, aggregates and agricultural lime for use in the local construction and farming industries.
From its long history, Huntsmans knows that reliable performance under relentless pressure is the essential function of any primary breaker working in a quarry. Uptime is vital; its three Atlas Copco HB 5800 DP breakers will work approximately 1 500 hours per year with regular service intervals to ensure their reliability.
“The Atlas Copco breaker is at the core of our operation, so reliability and the relationship with the manufacturer is key. Already this year, we will have produced 400 000 tons of stone using this method.”
The HB 5800 DP is used to selectively quarry stone for the highest quality possible. Mounted on a Volvo EC700 with a quick hitch, the breaker can be easily swapped for other attachments when tackling overburden or weaker rock.
Atlas Copco has lowered the weight and increased the efficiency of its heavy hydraulic breakers, so less hydraulic input power is required from the carrier while maintaining maximum impact performance.
Written by Linas Alsenas