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  1. Green_strand

    Maximum torque of aluminium thread

    I tryed to calculate the torque, can you tell me where I made mistake? Housing thread = M7 Lenght of aluminium thread = 9,3mm = 0,0093m Rm - Tensile strength = 240MPa Rp0.2 0.2% proof strength = 140MPa Steel bolt = M7x1 Stress area: S=2*pi*r*l = 2*3,14*0,0035*0,0093 = 0,0002044 m2 Stripping...
  2. Green_strand

    Maximum torque of aluminium thread

    Hello, I am new on the forum. Unfortunately, I have never had a "Strength of Materials" lessons, that sorry if my question is silly. I am trying to find a formula how to calculate maximum permissible torque or stripping torque of thread in aluminum (not a bolt). My connection is steel bolt...

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