Pit & Quarry, July 2017
Hammer out next project CATERPILLAR B Series hydraulic hammers B20 B30 and B35 are designed for high production in a range of severe applications such as quarry road construction demolition and general construction Each B Series hammer is matched to hydraulic excavator carriers weighing 18 to 40 metric tons The housings feature bottom reinforcement plates and the high pressure accumulator can be serviced in the field The side rod is specially heat treated for durability and the side rod nut is protected from thread damage The stroke control valve allows adjusting for primary or secondary breaking chores Tool type selection for the new hammers includes moil cone chisel long life chisel and blunt www cat com Direct materials with three position chute SANDVIK MOBILE CRUSHERS AND SCREENS is introducing an addition to the Sandvik 341 jaw crusher range with the launch of the new Sandvik QJ341 This model incorporates a double deck pre screen as standard The pre screen feature provides high amplitude for separation making it effective in quarrying applications where a high proportion of fines in the feed material are found To complement the pre screen Sandvik designed a new telescopic natural fines conveyor with a discharge height of 10 ft 3 in The three position dirt chute allows all material passing the pre screen grizzly to be diverted onto either the main conveyor or the natural fines conveyor In the middle position it allows a screened product to be produced out from the fines conveyor www sandvik com www kpijci com pitandquarry com July 2017 PIT QUARRY 31
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