Saw Blade in the factory after the qualified inspection, generally will not have the phenomenon of deviation, only after incorrect use, will appear the phenomenon of deviation. The main reasons for the deviation are: 1. The alloy saw blade installation is not correct, will make the saw blade always run to one side. In this case, reposition the saw blade. 2. The serrations on one side were severely damaged, and the worn serrations were repaired. 3. After rough operation saw blade deformation, plastic repair. 4. The alloy saw blade is blunt. Use It after grinding. 5. Feed speed too fast will affect the direction of feed, slow down the feed speed.