Pit & Quarry, August 2018
cutting edge RippeR attachments woRk with natuRal Rigidity of the Rock ShearForce equipment unveiled a redesigned lineup of Xcentric rippers in its new Mining Series The Mining Series was reinforced with a remodeled working platform delivering higher energy impact force to the work tool with a lower frequency the company says Larger and heavier gears are designed to allow for equal weight distribution side to side and direct impact energy vertically according to the company Additionally the lower pivot arm and housing is reinforced to limit wear where the ripper typically encounters material and the ripper arm was remodeled and reinforced The XR Mining Series also has a narrower body profile making it ideal for operating in confined areas the company says The new series is specifically designed for frequent use where the highest production values are required the company adds as well assisting continuous work shifts with reliability and operator comfort www shearforce ca scalping scReen maintains compact footpRint builds on past models The evoquip Colt 1000 is the largest screen in the Colt line and is capable of processing up to 403 tph depending on application according to Terex which manages the EvoQuip brand The machine incorporates a double deck screen measuring 13 ft x 4 ft The variable screening angle and a number of screen media options enable the Colt 1000 to operate in both heavy duty scalping and precision screening applications as well as manage difficult materials Additionally the full 13 ft bottom deck ensures optimal classification in fine screening applications Terex says The standard configuration discharges a fines product to the right side of the plant with a mid grade emerging on the left Both conveyors can be ordered reversed with the ability to place both conveyors on the same side of the unit once the Colt 1000 reaches the field Flexibility is further enhanced with a two way split conversion by simply relocating the tail conveyor to collect both top and bottom deck pieces www terex com evoquip tubeless dth hammeR fits the 5 in class A new addition to the rockmore international T Series down the hole DTH hammer line is the ROK 550T a 5 in class hammer model using the QL5 QL50 bit shank but with the blow tube foot valve removed With characteristics rated for drilling 55 in to 60 in diameter holes the ROK 550T is suitable for blasthole applications in the mining and construction sectors As with all Rockmore DTH hammers the ROK 550T takes advantage of Rockmores SonicFlow technology which optimizes airflow by simplifying and streamlining the air paths to minimize backflow and turbulence thus delivering more energy to the piston Field testing of the SonicFlow design was determined to result in faster penetration rates and greater overall DTH hammer efficiency according to Rockmore www rockmore intl com 12 pit quarrY August 2018 pitandquarry com
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