Notes and tips:
1. When using the grinding cup, it must be distinguished depending on the type of sander. Do not use the side of the grinding wheel arbitrarily for sanding, which can be easily injured and also violates the rules of use.
2. When grinding, it is necessary to judge the feed speed, cannot be too fast or too slow.
3. It is better to stand on the side of the grinding wheel during operation, which can increase the work efficiency and the service life of the grinding wheel.
4. When using the grinding cup, it is prohibited to use too much force, this is an extremely unsafe operation.
5. A mixture of light oil, lamp oil and water-soluble oil is used to pour the abrasive liquid. In any case, however, the use of highly alkaline abrasive liquids should be avoided.