Grinding Machine [Grinding Wheel, Types, Operations, amp; More]
May 10, 2020#0183;#32;instead, artificially manufactured abrasives are used due to their high purity. And they include silicon carbide and aluminium oxide. 1. Silicon carbide . Silicon carbide is greenishblack in colour. It is harder and more brittle than alumina. For this reason, it is used for grinding materials of low grinding resistance like cast iron, brass