How to sharpen a knife with a grindstone, it is very important to grind the mirror. From 600 to 2000?

The method of whetstone sharpening and mirror grinding;

The cutting edge should be thick, about 200 meshes, not more than 500 meshes. The thicker the cutting edge, the higher the efficiency.

Methods Grasp the angle and polish it back and forth, but if it is unpolished oilstone, because of the large amount of polishing, the edge is generally polished with grinder and abrasive belt, and polished with oilstone.

If you grind the mirror, the higher the mesh number, the better the mirror effect. Generally, it is done by increasing the number of oilstones in turn, such as grinding with 2000 meshes, then using 3000 meshes, then using 5000 meshes and then using 8000 meshes. It is good to grind the mirror surface with high mesh sandpaper. For example, if you grind the blade with 2000 mesh sandpaper and then use 5000 mesh, you can grind the mirror surface effect.

Extended data:

Grinding method:

Regarding the diamond grinding paste, the particle size ranges from W40 to W0.5, with W40 being the coarsest, with a large grinding amount and W0.5 being the finest. It is used for polishing. Even a hard knife can grind without annealing.

How to use:

Coating coarse W40 grinding paste on boron carbide oilstone can speed up grinding without annealing.

Then, after cleaning the rough grinding paste on the knife, apply the grinding paste of W0.5 to ruby or natural jade for polishing, and the thrown effect is a mirror.

Green silicon carbide, white corundum and brown corundum are not hard enough, and the particle size is a little coarse, so they are easy to sharpen the knife horizontally. The other three oilstones will not anneal when polishing.

There is no difference when the particle size is greater than 1000, mainly depending on the grinding paste used. If the grinding paste of W 1.5 is coated on the ruby of 1000 mesh, the grinding effect is the effect of the grinding paste of W 1.5, that is, the whetstone effect of 2500 mesh.

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