Grinding requirements for woodworking finger joint knives

1. It is recommended to use 500# grinding wheel.
2. Conventional grinding only requires grinding the front angle.
3. Keep the distance between the teeth and the center hole the same (within an error of 5C).
4. When grinding, the finger joint knife and the grinding wheel need to move forward and backward horizontally. Do not squeeze, as it is easy to cause ripples.
5. When grinding, the grinding angle and rake angle of the grinding wheel and the machine should be consistent.