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Foshan Li Dexin Machinery Manufacturing Co., Ltd.

Foshan Li Dexin Machinery Manufacturing Co., Ltd.

Specializing in the production of TCT circular saw blades, TCT band saw blades, finger joint knives, flying knives, various non-standard CNC grinding machine production lines

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Selection of Grinding Oil for Carbide Saw Blade Grinding Machine

  • Time of issue:2020-06-28 11:54

(Summary description)Selection of Grinding Oil for Carbide Saw Blade Grinding Machine

Selection of Grinding Oil for Carbide Saw Blade Grinding Machine

(Summary description)Selection of Grinding Oil for Carbide Saw Blade Grinding Machine

  • Time of issue:2020-06-28 11:54
Selection of Grinding Oil for Carbide Saw Blade Grinding Machine
 
 
Grinding teeth belongs to finishing, which has high requirements for surface burns and strains, so the viscosity of grinding oil is very important. If the lubricity is low, the scratches are not enough, and if the heat dissipation is not good, the burns are easy to occur. The instantaneous temperature of the oil product during grinding is up to 130℃-140℃, so the oil product is required to have a high flash point. Generally, the flash point of the grinding oil is not less than 160℃. The excessively high temperature will produce oil smoke and oil mist, which will cause certain harm to workers. Especially in a sealed and constant temperature processing environment, although the grinding oil cannot completely prevent the generation of smoke, it can be suppressed by additives. To reduce the harm to workers.
 
The average grinding wheel speed of the worm mill is about 3000 revolutions. The smoke requirement is higher than that of the profile grinding. The flash point should be above 170. This can reduce the generation of smoke. At the same time, it requires high extreme pressure and the oil viscosity of the profile grinding tooth can be slightly higher.3 ~5, because the speed is fast, if the lubricity is not good, it may cause scratches and burns. On the contrary, if the viscosity is too large, the processing heat dissipation will also cause local burns. Therefore, the worm gear grinding machine should choose a viscosity of 40°C as 14. Between 16 and 16, the flash point ≥ 175 or more does not contain sulfur and chlorine molecules of grinding oil.
 
What kind of grinding wheel is used for carbide saw blade grinding machine?
 
The choice of the grinding wheel depends on the material and heat treatment of the workpiece. Generally, the higher the hardness of the heat-treated parts, the softer the grinding wheel, and the harder the grinding wheel.
 
The size of the grinding wheel depends on the requirements of the surface finish of the grinding. As for the material of the grinding wheel, brown corundum is mostly used before hot parts, and white corundum or ceramic corundum is often used after heat.
 
The easy wear of the grinding wheel indicates that it is relatively soft or threshing faster (the self-frontality of the grinding wheel is good), and it may also be a problem of particle size; but if the grinding wheel is not easy to wear, it will often have large grinding heat and cause grinding burns on the tooth surface (commonly known as Grinding), this depends on the situation to find a suitable balance.
 
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