To make the saw blade sharp and long-lasting, the following grinding methods can be used:

Manual grinding method. First, thoroughly clean the saw blade to remove rust and dirt, then apply grinding oil to the grinding stone, gently place the saw blade on the grinding stone, and grind back and forth at the original angle until the teeth become sharp. twelve

Electric grinding method. Fix the saw blade on the grinding machine, adjust the angle of the machine according to the angle of the saw blade, make the teeth in contact with the grinding disc, gently turn the teeth, and grind each tooth to a sharp state. After completion, check the grinding effect again.

Grinding stone method. Choose a suitable grinding stone (such as white or red grinding stone), apply lubricating oil to the grinding stone before grinding, and then place the saw blade on the grinding stone, pushing hard until the teeth become sharp. one

In addition, attention should be paid to grinding techniques and safety precautions, such as wearing gloves and goggles to avoid injury, regularly checking the wear of the saw blade and grinding it to maintain its sharpness and extend its service life. It is important not to exert excessive force to avoid damaging the saw blade or changing its angle. Maintaining the cleanliness and proper lubrication of the saw blade is also key to maintaining its performance.