ZDQJ*******0 automatic infrared bridge cutting machine is controlled by microcomputer, its worktable can be **0°、*0°、*5°degree rotary positioning in a horizontal plane, enable to locate at leaping angle as well. Moreover, its accurate assembles and special side girder protective device owns high precision, high stability, high-efficiency, and simple operation etc Characters, which is particularly applicable to the processing of the stone material such as the granite, marble in high value ,large specification.