The invention discloses a gang saw
cutting head for
cutting granites and a manufacture method thereof. The gang saw
cutting head for cutting the granites comprises a cutting head body and a
welding transition body, wherein the
welding transition body is a
metal bonding agent sintered together, and the outer surface of a combined body formed by
sintering the cutting head body and the
welding transition body is provided with a hard wear-resisting phase. By arranging the welding transition body, the problem of the welding quality caused by large difference in
metal components of the cutting head body and steel bands is solved, and the cutting head can obtain firm
swarf pushing force. By arranging the hard wear-resisting phase, the
abrasive resistance of the surface of the cutting head body is improved remarkably, carcass
metal on an inner layer is prevented from being abraded, the stable and continuous cutting process is ensured, accordingly mechanical holding force of the metal bonding agent to
diamond grains is strengthened effectively, the
processing efficiency of a tool is improved, and the service life is prolonged. In the forming process of the hard wear-resisting phase, the
diamond grains in the cutting head body and the mechanical holding force of the metal bonding agent are greatly strengthened, and the requirement of cutting the granites is met.