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Grinding wheel with grinding wheel features

The grinding zone is hot due to the intense friction. This can cause stress and deformation of the workpiece and even burn the surface of the workpiece. Therefore, a large amount of coolant must be injected during grinding to reduce the grinding temperature. The coolant can also act as chipping and lubrication.thin abrasive cutting disc for metal

The radial force during grinding is large. This causes the machine-grinding-workpiece system to retreat so that the actual depth of cut is less than the nominal depth of cut. Therefore, when the grinding is about to be completed, the knife should not be used for light grinding to eliminate the error. After the abrasive grain is blunt, the grinding force also increases, causing the abrasive grain to break or fall off, and the sharp edge is re-exposed. This characteristic is called self-sharpness. The self-sharpening makes the grinding work normally in a certain period of time. However, after a certain working time, manual dressing should be carried out to avoid vibration, noise and damage to the surface quality of the workpiece.

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Since the grinding wheel itself has high hardness and heat resistance, the grinding can process materials with high hardness, such as hardened steel and hard alloy. The characteristics of the grinding wheel and the grinding machine determine that the grinding process system can make uniform micro-cutting, generally ap=0.001~0.005mm; the grinding speed is very high, generally up to v=30~50m/s; the grinding machine has good rigidity; using hydraulic transmission, Therefore, the grinding can economically obtain high machining accuracy (it6 to it5) and small surface roughness (ra = 0.8 to 0.2 m). Grinding is one of the main methods of finishing parts.

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