1, when the blade running beating deal (1) Check the blade installation is in place. (2) Check the mounting surface cut legs work if there is debris. The gap between the inner diameter and the axis of rotation (3) examination. 2, the blade crack Before (1) Use: finger fingers hooked blade with a wooden hammer to gently knock on a few, listen to the sound. (2) after use: When you install the mounting surface due to the possibility of there hard, fixed blade force resulting split. (3) In addition to the above two cases, because of the possibility of man-made or broken blade itself is a problem. 3, the blade nicked (1) Cutting Machine no idling for 5 minutes to start working. (2) diameter foot element is too large, the cutting edge can be handled by adjusting the angle of the angle according to the specific element to set the diameter of the foot. 4, elements feet constantly cut (A) a piece or part of the foot member PCB scoring clearly PCB thickness and material inspection, whether due to high temperature soldering process causes deformation of the PCB. (2) from the blade clearance is adjustable track small. (3) whether the blade used for too long, a small gap appeared, without grinding.