Pit & Quarry, September 2016
CUTTIng eDge Wedge link belts offer advantages over other belt styles FenneR DRIves wedge link belts yield advantages in power transmission drive belt installation Converting to these belt styles can save users time and money on repair and replacement issues Fenner Drives says The company offers its 3V and 5V wedge link belts to provide aggregate producers with a way to achieve the benefits of link belting on wedge belt drives The polyester and polyurethane link design allows for the belts to be made to any length on site making it possible to reduce the inventories of fixed belt lengths This type of preparation can be done in short order because the modular method of construction eliminates the need for inventories of conventional belts Assembly consists of reeling off the required lengths of belting and using the twist lock design to complete the new belt This long lasting upgrade to rubber wedge belts combines the performance of rubber with the additional cost saving benefits and is appropriate for a range of applications including the aggregate industry as well as others The company says these are the only link belts made with this narrow wedge profile www fennerdrives com three inclined decks Provide for additional screening area TeRex FInlAYs 674 tracked inclined screen offers aggregate producers quick setup and teardown times because of the machines hydraulically folding discharge conveyors The 674 s screenbox features three inclined decks giving it a large screening area of 170 sq ft This provides users with more efficient screening at high capacities A 42 in belt feeder with hydraulic variable speed drive is fitted to the machine as standard and has proven performance and versatility in demanding work environments The hopper has a 105 cu yd capacity as standard and can be fitted with a remote control hydraulic tipping grid www terexfinlay com Pre screen function refines material before crushing Process begins sAnDvIk ConsTRUCTIons QJ341 jaw crushers pre screen feature provides users with high amplitudes for excellent separation capabilities This feature allows for the removal of a large amount of fines to boost efficiency levels the company says Sandviks QJ341 operates well in quarrying applications where a high proportion of the fines in the feed material are found because the pre screen screens out this material before it enters the crushing chamber Sandvik also incorporated a telescopic natural fines conveyor with a discharge height of 10 ft 3 in on the machine to handle the increased flow of pre screened material www construction sandvik com 10 PIT QUARRY September 2016 pitandquarry com
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