What copper has a self-lubricating effect
Copper sets are generally made of http://www.slidingbearings.com/, do not have self-lubricating effect, with copper alloy to do because the graphite copper sets of its hardness is lower than steel, copper alloy as a loss of parts to protect with the parts.
If you need to have lubrication effect, can be used to purchase http://www.oilitebronze.com/self-lubricating bearings guide sleeve is distributed in the copper sleeve on a number of holes, the hole inlaid with plastic (such as PTFE) or graphite, copper sleeve and internal cooperation with each other running a shaft After the time, the problem of copper sets up, the hole of the plastic is squeezed out, plastic as a lubricant.
I used before, with a set of copper-oriented, I choose the http://www.bearingtypes.com/, size can be customized. very convenient.
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