Tool sharpening precautions

I. Introduction

After using the tool for a period of time, the blade will become passivated, affecting the use of the effect. At this time, we need to sharpen the tool to restore its sharpness. Tool grinding is not a simple grinding, need to pay attention to a series of matters to ensure the grinding effect and safety.

Second, core precautions

1. Choose the right sharpening tool: according to the type and material of the tool, choose the right sharpening tool, such as grinding wheel, whetstone, etc.

2. Sharpening Angle: master the sharpening Angle to avoid being too large or too small. In general, the front and back corners of the tool need to be properly adjusted.

3. Strength control: In the grinding process, we should control the strength to avoid being too rough, so as not to damage the tool structure.

4. Coolant use: The use of coolant helps to reduce the tool temperature and reduce the impact of thermal stress on the tool.

5. Safety protection: Pay attention to the safety of sharpening the knife, wear professional protective glasses, gloves and other protective tools to avoid splashing the blade.

6. Sharpening sequence: Start grinding from the rough part of the tool, and then gradually transition to the smooth part.

7. Detection after grinding: After grinding is completed, the tool should be tested to ensure that its sharpness meets the requirements of use.

3. Operation steps

1. Cleaning the tool: First clean the surface and blade of the tool with cleaning agent to remove oil and impurities.

2. Choose the right sharpening tool: Choose the right grinding wheel or whetstone according to the type of tool.

3. Adjust the Angle: adjust the sharpening Angle, the general front Angle is 15°-20°, the back Angle is 5°-10°.

4. Start grinding: Control the intensity and grind evenly.

5. Use coolant: Add coolant continuously in the grinding process to reduce the tool temperature.

6. Detect sharpness: After sharpening, use paper or other items to detect the sharpness of the tool.

4. Common problems and solutions

1. Excessive sharpening: adjust the Angle and appropriately reduce the sharpening force.

2. Cracks appear at the cutting edge: replace the grinding wheel or whetstone and adjust the grinding force and Angle.

3. Lack of sharpness: re-grinding to ensure proper Angle and strength control.

V. Summary

Tool sharpening is a technical work, need to pay attention to the above matters and operating steps, in order to achieve the ideal sharp effect. Mastering the correct sharpening skills can make your tool regain a new life and improve the use effect. Hope this article has been helpful to you!