Technology for cutting granite quarry stone

The invention discloses a technology for cutting granite quarry stone. Cutting is carried out through a frame saw. A main shaft driving device, a saw frame assembly, a lifting device, a loading cart and a numerical control system are arranged on a basic installation structure of the frame saw, wherein the saw frame assembly is arranged on a rack in a sliding manner, the loading cart is arranged on the lifting device, and the numerical control system controls saw blades of the saw frame assembly to conduct feeding and controls the lifting device to be lifted. The main shaft driving device is in transmission connection with the saw frame assembly through connecting rods. When cutting is carried out, the numerical control system controls a processing feeding manner to conduct feeding in five grades, wherein the first grade is a rapid feeding, so that the granite quarry stone rapidly gets close to the saw blades; the second grade is low-speed feeding for processing, so that the saw blades cut the granite quarry stone by a certain depth at the speed lower than the conventional speed; the third grade is characterized in that the saw blades carry out cutting feeding at the normal speed; the fourth grade is characterized in that the saw blades complete final processing in a low-speed feeding manner; and the fifth grade is characterized in that the loading cart rapidly returns to the original position.