1 woodworking engraving machine before use check whether the screws of various parts of the screw loose.

2 check whether the path is correct.

3 file too big computer processing error.

4 increase or decrease spindle speed to suit different materials

Unscrew the 5 knife knife chuck, will turn a direction clamping, knife is placed, so as not to sculpt objects is not smooth.

6 check whether the tool is damaged, change the new knife, re carved.