The friction coefficient of copper bushing is not a unified absolute standard value, depending on the material of copper bushing, manufacturing process, use conditions, lubrication and other factors. The following are some common copper sleeve materials and the corresponding friction coefficient of the general range:
Tin bronze bushing: generally in dry friction conditions, the coefficient of friction in the 0.06-0.2 between; in the lubrication conditions, the coefficient of friction will be significantly reduced.
High-force brass bushings: coefficient of friction usually less than 0.16137.
Aluminum bronze bushing: the specific friction coefficient data is relatively less, but overall its friction coefficient is closer to that of tin bronze bushing, which may be around 0.1-0.3 in dry friction.
In practice, if there are specific requirements for the coefficient of friction of bronze bushings, it is necessary to determine the appropriate range of coefficient of friction according to specific use scenarios, working conditions and relevant industry standards or design requirements.
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