You ask this question is very general.
In parallel to the grinding wheel is concerned, first said the entire size of the grinding wheel china, the outer diameter * inner diameter * thickness * working layer, the the matrix outer diameter = grinding wheel diameter - working layer thickness (abrasive layer).
YG-3 carbide as the substrate is relatively preferable base in the content of Co is relatively directly affect the quality of the surface of the diamond, Co has the role of promoting diamond graphitization, Co also provide toughness of cemented carbide elements,