One, do not want to be used below improper cutting condition please. Regard new treatment as the job the parameter inside the cutting condition watch of account of the place in catalogue item please in the begining roughly standard. Appear because of cutting to shake unusually or when noise, adjust cutting requirement please. 2, do not use please wear away serious, have the cutting tool of breach. Use continuously wear away the serious, cutting tool that has gap, can cause damaged, acknowledge the scathing condition of cutting tool first please before mount cutting tool, be in appropriate when change cutting tool or new and abrade. 3, do not undertake next use be used reversely cutting tool is the condition that rotating right normally please. If be towards the left to rotate, can wrapping mount to try to hint, reason grants to affirm please. CNC MillingCNC Machining