The functions：

1. Precise Grinding: Achieves high-precision grinding to ensure the sharpness of the hob, ensuring cutting quality.

2. Efficient Production: Improves grinding efficiency, reduces grinding time, and is suitable for mass production needs.
3. Extended Tool Life: Precise grinding reduces tool wear and extends the service life of the tools.
4. Safety and Reliability: Equipped with safety protection devices to ensure the safety of operators.

5. Forward and Reverse Rotation: Equipped with both forward and reverse rotation directions to enhance grinding flexibility and effectiveness.