Proper sharpening is critical to tool performance and it must restore all the parameters established in the design phase. Normally, the tools to be sharpened show:
Worn teeth
It is advisable to perform the sharpening when the teeth aren't too worn yet: insisting on using the tools with worn teeth, only leads to a dramatic decline in the yield and quality of the product. In addition, with a worn tool the chipping are increasing also on materials of good quality.
Worn and chipped teeth
This defect is generally caused by the processing of low-quality raw materials that contain impurities.
If chips are big, it is advisable to change the PCD plate