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to roll crushers-roll skin problems in use Datetime：2014-06-28 Brief:I plant for crushing and screening of lead-zinc ore sinter under the crusher, the rolls are used of high manganese steel ZGMN13. Use is still reflected in insufficient hardness, returning to particle size is not ideal, roll skins left over last year eliminated more than more than 60 mm, which put forward some ideas below. 
-roller crusher
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