Please note when using:

1. When processing hardwood, the wood must have vertical grains, and the drilling speed is about 2600-2800r/min.
2. When selecting materials, the width of the wood should be at least 4mm wider than the knife and 1-2mm thicker than the knife.
3. The position of the knife and the wood cannot be misaligned during work.
4. During work, the wood must be clamped and cannot be loosened or hit. The edges of the wood and the cracks of the wood head and the scars of the wood.