First, the good quality of the carving knife itself. Must choose high-quality stone carving knife, if the quality of the knife itself, but the customs, the operation carefully and useless
Second, choose their own carving tools. The purchase is not necessarily all expensive is good, the key is for themselves, to be targeted
Third, the improper use of tools leading to non-normal carving damage
Fourth, different carving patterns carving skills are not in place. General stone engraving machine is divided into: lettering, line carving, and relief
Fifth, the quality of the machine itself
Six, broken pieces cause secondary damage
Seven, the spindle speed is too low. Spindle speed should not be less than 18000 rpm. Eight, the voltage is unstable. To ensure a stable working voltage 380V voltage fluctuations do not exceed ± 10%.
