Sandvik has launched its new CT55 and CT67 top hammer tool systems – the most advanced of their kind.
The design of the CT55 and CT67 top hammer tool systems is intended to increase efficiency and reduce costs while saving fuel and simplifying automated drilling in surface bench and underground long-hole applications.
“We are proud to offer an innovation that delivers significantly increased efficiency, since higher drilling parameters are allowed with fewer stops for breakages,” Sandvik vice president – product line top hammer Anders Brungs said.
“Our design increases productivity by 15 per cent while reducing fuel consumption by 15 per cent, as faster drilling means less flushing time.”
Sandvik’s new curved thread CT range is designed to increase drilling productivity when carrying out underground and surface mining.
“Surface drill rigs have much more power than current standard tools can handle,” Sandvik product manager – top hammer surface tools Fredrik Björk said.
“This means the full potential of the drill rig cannot be used. Our new CT system radically increases the fatigue strength and we’ve also seen 30 per cent longer tool life together with better hole precision in our product evaluation tests with early adopting customers.
“This is a fully optimised system that includes the drill rig, the rock drill and the rock tool.”
Sandvik product manager – top hammer underground tools Robert Grandin said trouble-free drilling is key when operating underground.
“In addition to higher productivity and lower cost, the extended service life of our CT system will be especially important for underground operations where tool breakages create frustration and interruptions,” he said.
“The stronger geometry that comes with the curved thread design boosts tool service life by more than 30 per cent. The curved design also makes the CT system automation-ready, since easy coupling and uncoupling in itself is an important enabler for automation, a vital technology in many underground operations.”
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