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  1. carburize21

    trouble with torsion springs

    Ok. I guess I will have to assume that this spring I have in front of me was preset in some manner, because it survives that stress level without breaking or deforming. Thank you for your time israelkk.
  2. carburize21

    trouble with torsion springs

    I'm familiar with the concept of presetting for compression springs. I thought that every torsion spring would be preset by default, since there is a residual stress present after the winding of the wire - but you are telling me that it is a separate process? Do you have any documentation...
  3. carburize21

    trouble with torsion springs

    Israelkk, Most of the spring dimensions (wire diameter, coil diameter, angle of the ends in the free state, and the .628 lever length) were measured fairly accurately with standard measuring equipment (micrometer and optical comparator) I am primarily the Delta Elkon design manual, although I...
  4. carburize21

    trouble with torsion springs

    Ladies and Gentlemen, I’m trying to calculate the elastic potential energy and the stress at peak torsion in an AR-15 hammer spring. It is a double torsion spring. My calculated stress is very high, so high that I have to question whether I am performing the calculation correctly. I have an...

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