characteristic:
1. Automatic feed: it can be worn according to the cutting edge, and the automatic advance can keep the cutting edge in the original position
2. Precision sharpening: keep the slope on both sides of the blade equally sharp
3. Pushing speed: it can be changed according to the required speed
4. Additional mold can cut various models
5. Tool change speed: simple self-service tool change mechanism
6. Open sheet metal, beautiful appearance, easy to repair materials, strong adaptability, automatic chip absorption, low noise