It is impossible to obtain an absolutely sharp edge with a grinding wheel sharpening method. In general, the width of the blade edge milled by the grinding wheel is f=0.005 to 0.008mm . In order to improve the quality of the sharpening and eliminate the small burrs on the cutting edge, the sharpened blade also needs fine polishing with the oil stone, which can obtain a sharper cutting edge and improve the cutting performance of the blade. First, you should use the oil-soaked oil stone to grind the cutting edge without pressure to remove the burrs generated after the grinding machine is processed.  In the user operation survey of the sharpener, we found that some operators use a wooden strip to remove the burrs. This is extremely inappropriate because it will pull the burrs hard and make the edges be zigzag. When you use oil stone for the first time, you may not be used to it or worry about the instability of the blade and affect the straightness of the cutting edge. Then we recommend white long paper and gently pull it on the cutting edge to achieve the effect of removing the burr. 2. After completing the above work, you will put the oiled cleaned oil stone on the rake face as shown. In the continuous rotation movement method, the precision rake face operation, pay attention to the pressure is small, first use W10 oil stone, and then use W5 ~ W1 fine particle oil stone or natural oil stone processing. The fine knives must be flattened, and the tilting and swaying shown should not occur, otherwise the blade will be curled.  The back of the blade is polished in the same way, but the oil stone is tilted slightly to the outside <1 ° and the tilt is excessive, which makes the blade dull.  Attachment 1 , Reference: Tianming Grinding Machine Technical Support Center   Http:// Attachment 2 , cited website: China Grinding Machine Network   Http:// Attachment 3 , English information: China grinding machine supplier   Http:// Stainless Steel Wine Rack/holder Wine Bottle Rack,Metal Wine Rack,Wine Display Rack,Wine Rack Holder,Honeycomb Wine Rack Shenzhen Lanejoy Technology Co.,LTD , https://www.injectionnut.com