A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting , Rod mills are less common than ball mills for grinding minerals , SAG mills are primarily used at gold, copper and platinum mines with applications also , Quartz or silica is commonly used because it is inexpensive to obtain.
A stamp mill is a type of mill machine that crushes material by pounding rather than grinding, , They were common in gold, silver and copper mining regions of the US in the , Ball mill - a horizontal cylinder containing metal balls to crush the material; Hammermill - a more modern device that also can crush material to fin.
China 1-50 Tph Grinding Quartz Ball Mill for Sale, Find details about China Ball Mill for Sale, Ball , A Grinding Quartz Ball Mill grinds material by rotating a cylinder with steel grinding balls, causing , Zenith 05-10thp Mini Pulverizer for Gold.