Woodworking engraving machine engraving stuff marks
If there is no problem with the machine assembly, that is, you have the wrong tool, increase the tool must be optimistic about the corresponding size, so that the error will be reduced
The machine is not accurate enough, check the drive parts have loose connections, in the proof of the screw rod.
Adjust the overlap rate and increase the overlap rate. Of course, it takes time to sacrifice the processing time. Unless it is required especially smooth surface (the need for a long time, carving) typically have marks.
