Diamond grinding wheels are used to grind hard and brittle materials such as hard alloys, glass, ceramics, gemstones, etc. Metal bonded diamond grinding wheels mainly have two types according to their manufacturing methods: sintering and electroplating; In daily life. How should I maintain it? Let's take a look together:
If the diamond grinding wheel is not used properly, it should be placed flat or suspended using the inner hole. Other objects or feet should not be piled up on the flat saw blade, and attention should be paid to moisture prevention and rust prevention.
When the diamond grinding wheel is no longer sharp and the cutting surface is rough, timely re grinding should be carried out. Grinding cannot change the original viewpoint or disrupt dynamic balance.
3. The inner diameter correction and positioning hole processing of diamond grinding wheels shall be carried out by the manufacturer. If the processing is poor, it will affect the product's usability and may cause danger. In principle, the hole expansion should not exceed the original aperture by 20mm to avoid affecting the stress balance
4. Selection of alloy grinding wheels.
1) The resin bonded diamond grinding wheel has weak bonding strength, so it has good self sharpening performance during grinding, is not easy to block, has high grinding power, low grinding force, and low grinding temperature. The defects are poor wear resistance, high tool wear, and is not suitable for heavy-duty grinding.
2) Ceramic bonded diamond grinding wheels have better wear resistance and bonding ability than resin bonded wheels, with sharp cutting, high grinding power, less heating and blockage, low thermal expansion, easy control of accuracy, rough grinding surface with defects, and higher cost.
3) Metal bonded diamond grinding wheels have high bonding strength, good wear resistance, low wear, long service life, low grinding cost, and can withstand large loads, but their sharpness is poor and easy to block.
4) The particle size of the abrasive has a certain impact on the blockage and cutting amount of the grinding wheel. Compared with fine sand particles, coarse sand particles have a greater depth of penetration and wear the cutting edge. Conversely, the grinding wheel is prone to blockage.
5) The hardness of grinding wheels has a significant impact on blockage. High hardness of grinding wheels has a high thermal conductivity, which is not conducive to surface heat dissipation and is beneficial for improving machining accuracy and durability.
6) The selection of grinding wheel concentration is an important characteristic, which has a significant impact on grinding power and processing costs. If the concentration is too low, it will affect power. Conversely, abrasive particles are prone to detachment, but the concentration of the binder is large
Article source: Diamond grinding wheel
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