1 blade is running when there is beating;
1.1 Check if the blade is in place.
1.2 Check the cutting machine work installation surface is debris.
1.3 Check the clearance between the inner diameter and the rotating shaft.
2 blade crack;
2.1 before use: finger fingers hook blade with a wooden hammer gently tapping a few, listen to the sound.
2.2 After use: whether the installation of the existence of hard objects due to the installation, fixed when the force caused by the blade split.
2.3 In addition to the above two cases, whether the artificially broken or the blade itself is a problem.
3 blade is notched;
3.1 cut the foot of the machine did not carry out 5 minutes and began to work.
3.2 component foot diameter is too large, can be adjusted by cutting the angle of the edge to deal with the specific angle to the size of the foot according to the size of the device to set.
4 pieces of foot cut off;
4.1 is the whole piece of PCB components or part of the score clear, check the PCB board thickness and material, whether due to high temperature welding process caused by PCB deformation.
4.2 track and blade distance gap adjustable small.
4.3 whether the blade is used for too long, there is a small gap, but not grinding.
