Method for grinding metal shredder blade Method for grinding metal shredder blade1. Grinding with a surface grinder: The grinding effect of the surface grinder is very good. Using the surface grinder to grind the blade of the metal shredder blade, not only can the blade be effectively protected, but also the effect is very good, the quality of the grinding is very good guarantee.2. Use the grinding wheel to polish: Lifting the grinding wheel, I believe many people are no strangers. In daily life, the use frequency of the grinding wheel is very high, so it is also a good choice to use the grinding wheel to grind the blade of the shredder device. The familiarity of the manual operation also gives us a good grasp of the grinding process.3. Grinding with automatic blade grinder: If you want to save a little effort, automatic grinder is undoubtedly a good choice, the operation is simple and easy to master.