The process of backside grinding of silicon wafer

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Grinding quality of PCD tool with diamond wheel

PCD tool must ensure good cutting edge before machining workpiece. Diamond grinding wheel is the most widely used method.  The higher the quality of the cutting edge, the finer the tool mark left at the junction of the geometric reflection region of the workpiece surface, and the higher the surface finish of the workpiece.  Because cutting edge collapse or expansion easily cause tool wear or damage, reduce tool life.  Edge collapse is a key index of edge quality of diamond tools.

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Technology of dressing grinding wheel with diamond roller

The grain size of diamond grinding wheel should be one point coarser than that of the dressing grinding wheel, and the size of diamond particles should be close to the same, and the shape of diamond particles is approximately spherical. The commonly used particle size is 36# ~100#.

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2021 Formnext+PM South China

EXPO will cover a series of advanced materials, technologies, equipment and products such as materials, powder metallurgy, additive manufacturing and post-processing, bringing new business opportunities to the manufacturing industry in China and even Asia.

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Diamond Powder Test

Diamond powder is mainly used for grinding and polishing, the control of particle size is particularly important. As long as there are oversized coarse particles will cause workpiece scratches so that preceding operation come to naught. So the quality inspection of powder is an important link to ensure the quality of powder products.

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Grinding parameters of plasma sprayed coating

The circumferential velocity of grinding wheel and parts can directly affect the grinding efficiency.

The grinding wheel linear velocity is generally between 30-40 m/s when grinding the surface of the outer circle coating.

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What Do You Know About Dynamic Balance of Grinding Wheel?

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The relationship between grinding wheel wear and feeding speed

Usually, as customer said “anything” is not changed, same grinding wheel, same work piece, same grinding machine, same stuff and same grinding condition. We think they change a very small thing “feeding speed”. Because they want to improve the grinding efficiency, increase the feeding speed is an easy way.

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