Graphite copper bushing can be used in tip rolling machines. Lubrication performance Graphite copper bushing has self-lubricating property. During the working process of the tip rolling machine, the friction between the components generates heat and wear. Th……
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Hardness Test Aids Evaluation Brinell hardness test: Using a carbide ball of a certain diameter, under a specified load and time, it is pressed into the surface of a copper bushing and the diameter of the indentation is measured to obtain a Brinell hardness ……
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Reasons for impurities Brass is an alloy of copper and zinc, but may contain small amounts of iron impurities during the actual production process. These iron impurities may come from raw materials, such as iron mixed in with the scrap metal used, or during ……
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Oxidation resistance of tin bronze Tin bronze has a certain degree of oxidation resistance. In tin bronze, the element tin (Sn) itself contributes to the oxidation resistance of the alloy. Sn forms a dense oxide film on the surface of the alloy, which slows ……
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Degree of wear If the copper bushing holding dead is caused by slight impurity entry or local surface unevenness, through appropriate grinding to remove surface bumps, impurities and slight scratches, etc., in order to ensure that the copper bushing dimensio……
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Definition Copper bushing is a kind of mechanical failure phenomenon. In the process of equipment operation, the friction between the copper bushing and its mating parts (usually the shaft) increases sharply, resulting in the inability to carry out normal re……
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Problems with the material itself Internal defects: Graphite copper bushings may have internal defects during the manufacturing process. For example, during casting or powder metallurgy production, if the raw materials are not evenly mixed, this may lead to ……
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Compared with other copper bushings, graphite copper bushing have the following disadvantages: Insufficient precision and rigidity: graphite copper bushing manufacturing process determines its accuracy and rigidity in the relatively poor, difficult to achiev……
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Graphite copper bushings have the following advantages over other copper bushings: Good self-lubricating performance Graphite copper bushing in the work, graphite particles will form a stable solid lubrication diaphragm on the friction surface of the shaft a……
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Mechanical wear leads to graphite loss During the working process of graphite copper bushings, there is relative motion between the graphite and the parts (e.g. shafts) with which it is mated. Even under good lubrication conditions, friction will still cause……
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Copyright @ 2025 Haishan Bronze Casting No:84463
Copyright @ 2025 Haishan Bronze Casting
Copyright @ 2025 Haishan Bronze Casting
