Characteristics: 1, the operation is simple, quick speed 2, will Cut board which is to minimize stress and avoid crack, and with a tin 3 V-Cut of the PCB all can apply to the machine 4, fluctuation, circular knives can be accurate adjustment 5, circular knives can turn grinding with many times again, cutting knife can be custom shape of 6, cutting board length unlimited machine specification: machine size 280 x420x400mm maximum points board length unlimited points board speed 0-400 mm/s points board thickness 1.0 3.5 mm use voltage 220 VAC machine 30 kg weight & NBSP;