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Grinding balls manufacturing process
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Grinding balls manufacturing process

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grinding ball,mill ball,grinding media manufacturing process 2019-06-26

grinding ball,mill ball,grinding media manufacturing process


According to the production process difference,grinding media ball can be divided into hot rolled steel ball,forged grinding ball and cast grinding ball.For cast grinding balls,it can also be divided into high chrome alloy cast mill ball,middle chrome alloy cast mill ball and low chrome alloy cast mill ball according to the content of chrome in ingredients.


The wear resistance of middle chrome mill ball and low chrome mill ball are poor and these mill balls has high breakage rate.Although the price is low,we do not recommend customers to use this kind of mill ball.For high chrome mill ball,it is a cost-effective mill balls as adding more chrome in it. It has high hardness and it is widely used in mine,cement plant,power station,chemical industry;etc.


In generally speaking,the higher hardness of mill balls;the better wear resistance of mill ball.To improve the wear resistance of mill balls, we should increase the hardness of wear-resistant steel balls.However, the increase of hardness will inevitably lead to the decrease of impact toughness of wear-resistant mill balls.Therefore, how to take into account the hardness and toughness of mil balls is the key to improve the wear resistance of mill balls.For example,High chrome mill ball should be rationally allocated internal sequence and feeding conditions so as to obtain dense internal structure of mill balls and reduce the phenomenon of coarse grains.The mechanical properties and carbide distribution of  mill balls are determined by heat treatment process.In a word,suitable production process is a key factor to produce qualitied mill balls.


grinding media ballcast grinding ball

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