Input data

 Bolt type _{ }


mm

 Nominal diameter of the screw thread d_{N}


mm

 Thread pitch P_{h}


mm

 Pitch diameter of the screw thread d_{2}


mm

 Root diameter of the screw thread d_{3}


mm

 Neck diameter d_{T}


mm

 Outer diameter of the bolt head or nut d_{w}


mm

 Throughhole diameter d_{h}


mm

 Half angle of the thread β/2_{}


°

 Minimum yield strength of the bolt material R_{p0,2}


MPa

 Minimum required bolt force F_{VM min}


kN

 Maximum allowable bolt force F_{VM max}


kN

 Friction coefficient combinations:

 Combination number _{}






 Friction coefficient for the screw thread μ_{G} [?]






 Friction coefficient for the joint face μ_{K}






 Comment _{}










Calculation

 Combination number _{}






 Allowable bolt tensile stress σ_{M all}





 MPa

 Tensile stress for the minimum bolt force σ_{M min}





 MPa

 Tensile stress for the maximum bolt force σ_{M max}





 MPa

 Allowable stress intensity for bolt σ_{V all}





 MPa

 Stress intensity for the minimum bolt force σ_{V min}





 MPa

 Stress intensity for the maximum bolt force σ_{V max}





 MPa

 Stress efficiency for the minimum bolt force _{}





 %

 Stress efficiency for the maximum bolt force _{}





 %


Results

 Combination number _{}






 Allowable bolt tensile force F_{VM all}





 kN

 Allowable bolt tightening torque M_{A all}





 N·m

 Tightening torque for the minimum bolt force M_{A min}





 N·m

 Tightening torque for the maximum bolt force M_{A max}





 N·m
