... machine GZ4028 1. Man-machine interface replaces the function of traditional control panel, digital setting, and indicator ... the whole sawing/cutting process, hydraulic control of sawing/cutting feeding, tensioning of band saw and clamping of workpiece, stepless adjustable ... safety.8. Hydraulic control of sawing /cutting feeding, tensioning of band saw and clamping of workpiece.9. Automatic brushing ...