1. Open the window and exhaust fan of knife sharpening room before knife sharpening to make the room ventilated

2. Before sharpening, check whether the grinding wheel is fastened and eccentric, and whether it is seriously worn, otherwise it must be fastened, adjusted and polished

3. The tool grinding radius must be measured with a micrometer

4. When grinding the taper angle of the taper cutter, the angle of the cutter holder of the grinder must be adjusted according to the corresponding values of the theoretical taper angle and the rear angle in the table. It is strictly prohibited to operate without reference to the table

5. When point grinding the tool tip, refer to the corresponding value of the theoretical tool bottom diameter and the rear angle in the table. Never point grind to the theoretical tool bottom diameter value. When point grinding, use a 40 times magnifying glass to observe the actual tool bottom diameter. It is strictly prohibited to use a micrometer and caliper to measure the tool bottom diameter

6. In the process of grinding the tool, the feed of the tool to the grinding wheel shall not be too large, and it is strictly prohibited to operate in violation of regulations

7. When observing the tool with a magnifying glass and suspending the use of the tool grinder, the power supply of the tool grinder must be turned off

8. Scrapped knives shall be put into the designated waste box and shall not be discarded at will

9. When leaving the knife sharpening room, the knife sharpener must be wiped clean, the knife sharpening room must be cleaned, the tools and measuring tools must be sorted out and put away, the "five passes" (power off, lights off, doors off, windows off) must be done, and the "instrument and equipment use records" must be filled in carefully