[Shop-talk] torque wrench calilbration
BJNoSHOV8
bjshov8 at tx.rr.com
Sun Mar 6 18:11:47 MST 2011
E is a function of the metallurgy. E for steel and steel alloys is in a
fairly narrow range.
I is a function of the shape of the "beam", and is actually the property
that could change, through wear, corrosion, damage, etc.
>> After
>> all, PL^3/3EI is the same now as it has ever been.
> Only if E is a constant. I suppose changes in E would come under the
> category of either not manufactured properly or damaged; and yet the only
> way to tell may be to check the calibration.
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