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Registered
Join Date: Aug 1999
Location: port st lucie/stuart florida
Posts: 366
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You said that currently you were attempting to control the torque output of the wrench by varying the air pressure input, but due to unquantified pressure drops in the lines between the air supply and the wrench and degradation of the air pressure/torque curve of the wrench itself due to being operated without lubrication you were not confident in the results.
Why not measure the pressure at the wrench head? Could you get a solid film lubricant coating applied to the wrench bearing/wear surfaces to slow down wear or negate the lack of lubrication?
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