European Powder Metallurgy Association

Diamond is still the hardest substance available for cutting but only in a few cases are large stones used on their own.The majority of diamond impregnated tooling is made using the PM techniques. Currently they are extensively employed in stone processing, road repair, machining of glass, ceramics and metals, but one of the main and rapidly growing uses is cutting non-metallics, e.g. natural stone, concrete etc.A modern stone saw is basically a steel wheel with diamond impregnated segments brazed, or laser welded, to projections on the circumferenced. It is normally made in three stages: