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Torque settings

Hi all,


Obviously, where available we use manufacturer's torque settings for connections. But where do they get them from?


I ask this not least because it's not always easy to obtain, at least in a timely fashion, but also because I appear to have conflicting instructions on some OEM'd equipment (comparing the original manufacturer with the wrapped supplier) or notably different settings when using the same lug onto a very similar terminal bar from a different supplier. It would also be helpful to be able to sense-check the answers for misplaced decimal points.


Jam
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  • Jam:

    But where do they get them from?




    Probably by calculation, but could be experimental.


    Clearly a great deal depends upon the materials. Also, pinching a copper conductor is rather different from, for example, taking the varying load of a con-rod's big end, but there are some guidelines here.

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  • Jam:

    But where do they get them from?




    Probably by calculation, but could be experimental.


    Clearly a great deal depends upon the materials. Also, pinching a copper conductor is rather different from, for example, taking the varying load of a con-rod's big end, but there are some guidelines here.

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