Pit & Quarry, January 2013

CRUSHING abuse Operators who invest up front in quality equipment and components save money in the long run by reducing the costs of upkeep and future maintenance Components such as the crushers engine hopper and wear liners are just as important in ensuring the best fit and keeping maintenance to a minimum A powerful engine is the backbone to a good crusher unit Every operator wishes to have the best power unit possible one that will perform not just until the end of the day but for years to come Directly related to crushing the horsepower ultimately dictates whether the engine will meet the operations output needs Strong brand name engines provide a proven track record and the network required to ensure service and support when and where the contractor will need it Another main component the hopper should be sized to the operation The hopper size dictates the amount of in feed the machine can handle at one time Although an oversized hopper doesnt technically equate to a boost in production it can accommodate larger equipment used to feed the unit A crusher that is too large carries extra expense with no added value especially considering crushers work best when choke fed and under pressure Transfer points on a crusher endure a tremendous amount of wear and abuse Most transfer points are standard rubber material While these liners allow for quieter operation they also wear quickly Abrasion resistant transfer points throughout the machine will provide the extra strength needed for certain applications greatly reduce costly replacements and prevent downtime A high quality machine also will feature designs that lessen or even eliminate maintenance The quality of components such as conveyors bearings rollers shafts and drives are easily identified upon visual examination These more robust designs will extend life and prevent failure Clearly there is no shortage of options to consider when selecting a crusher Spending time fully evaluating the needs of an operation will help ensure the proper selection is made meaning optimal use of the right features and resulting in the highest production possible The goal for all operators is quality production at a low cost Selecting the right machine makes each job easier and more profitable P Q Sean Donaghy is national sales manager for IRock Crushers Developing new screen panel designs and accessories to improve screening effi ciency are a regular occurance at Polydeck In fact weve developed a new extreme duty scalping product line that will provide the longest wear life in the shortest lead time guaranteed Stop by Booth 1312 at AGG1 and see for yourself Visit us in Booth 1312 March 19 21 San Antonio Call us at 1 864 579 4594 or visit polydeckscreen com aggregate to fi nd the Polydeck sales representative in your area www pitandquarry com January 2013 PIT QUARRY 21