Bonded Abrasives are a kind of tools that are made by abrasive grains and bonding agent, with a certain shape and grinding ability. Usually, according to different abrasive grains, they are divided into ordinary bonded abrasives which are made by conventional abrasives (Aluminium Oxide, Silicon Carbide) and superhard bonded abrasives which are made by superhard abrasives (Diamond, cBN); or, according to different bonding agent, they are divided into vitrified bond, resin bond, rubber bond, metal bond, etc. 