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DTH hammers aim to make improved reliability accessible
November 14, 2014 By Administrator
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Nov. 14, 2014 – Rockmore International recently
launched the T series DTH hammer line featuring the first model in this class –
the ROK 600T.
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Nov. 14, 2014 – Rockmore International recently
launched the T series DTH hammer line featuring the first model in this class –
the ROK 600T.
This new addition to Rockmore’s existing line of DTH hammers
represents a breakthrough for DTH drilling technology for mining, construction
and water-well applications, said the company in a press release. The new T
series design hammers utilize drill bits with standard shank connections that
no longer require plastic parts commonly known as blow tubes or foot valves.
The elimination of this plastic part associated with the drill bit offers
various technical and economic advantages.
“We recognized a trending demand in the DTH drilling sector
for a high-performance DTH tool that could utilize industry standard drill bits
without plastic components in order to increase reliability yet not compromise
drilling efficiency,“ said Pejman Eghdami, executive vice-president of Rockmore
International, in the press release.
The series, which is “Tubeless, ”achieves the goal of using
industry bit shank connections, but without the plastic component imbedded in
the bit.
Although the tubeless DTH hammer has been offered before,
drilling performance was often compromised when designed to operate with an
industry standard bit shank, said the company, adding that other manufacturers
have introduced DTH hammers that utilize bits without a plastic component, but
such DTH bits are proprietary in design and limited in availability.
“With our emerging T class DTH hammers, we are offering the
drilling community a balanced solution of improved reliability without
compromising any drilling performance,” said Eghdami.
The T series hammers are designed to alleviate costly down
time by eliminating the plastic bit component that is susceptible to breakage.
The ROK 600T, a 6 in. class model with high-performance
drilling characteristics rated for drilling 6.1 to 7 in. (155 to 178 mm)
diameter holes for blast hole applications in mining and construction. It is
also suitable for water-well drilling because it exhibits good in-hole flushing
which is necessary to evacuate rock chips in deep applications.
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