Connect the power source :380V-50HZ, rotate the direction which is same as the arrow mark to boot up the machine，connect the air tube Diameter is 8mm, pressure is 0.7Mpa connect the external dust suction pipe，adjust swing frequency of the damping cylinder into 0.6s to 1s on the “parameter setting”，adjust the machine runs smoothly，Check tightness of all the fasteners Cut off the power supply of main device，install sand belt, adjust the tightness of the screws and regulate running deviation of the sand belt，adjust the height of work piece：For example, if the height of the work piece is 70mm, the radius of grinding shelf will be 40-42mm, if the height of the work piece is 90mm, the radius of grinding shelf will be 50-52mm.adjust the length of work piece：move the fixture to the work piece and lock it，manually clamp the work piece on the screen，then reset the machine coordinate origin on the screen，use the Manual Pulse Generator to move Z-axis to make the grinding shelf parallel to the upper plane of the work piece，adjust the height of four fixture shafts to 3-5mm away from sand belt，make sure the height of all the four fixture shafts are the same, then clamp all.if some emergencies come in the operation，please press the red button，to stop operating，reset the machine coordinate origin on the screen,Attention: reset the machine coordinate origin on the screen every time when boot up the machine.