螺栓扭矩计算- .xls

NOTE Save this master file as a new name and than use new file to do the calculations. Step 1 Define Bolt Nut Boss Bolt P/N Step 2 Plug in values for each area in blueThread Threads per inchTpi32Nut P/N 1/TpiP0.0313Thread Nomal Dia, bolt mmDb6Application Major Dia, bolt mmd min6.5 Pitch Dia, bolt mmd2 min6 Minor Dia, nut mmD1 max5.5 Pitch Dia, nut mmD2 max5 Safety Factor 90Fs1.1 Length, Engagement mmLe10 Proof Strength, bolt MPaSt min200 * Yield Strength, nut MPaSi min200 Torque CoefficientK0.2 Constantpi3.1416 Constanttan 300.5774 Constanttan 601.7321 * Proof Strength Yield Strength aa 1 Maximum bolt load based upon shear stress in the bolt thread. Shear Area, bolt mm2As1682.5372 Tensile Load, bolt NPs176513.4521 aa 2 Maximum bolt load based upon shear stress in the internal thread. Shear Area, nut mm2Ai5761.1558 Tensile Load, nut NPi604397.6152 aa 3 Maximum bolt load based on tensile failure of bolt. Tensile stress area, boltAt27.9881 Tensile load, bolt NPt5088.75 aaResult Maximum allowable torque based upon minimum bolt load of 3 s. Applicable Load NFi 5088.7479 Torque N.MT0.2 Step 3 If there are any thermal effects in the assembly a temperature correction factor may need to be applied to the proof or yield strength. Step 4 Use this torque as a conservative value. Step 5 If higher torque is required, conduct torque tests and uate hardware for yield. Please Technical datas only in light blue blanks and inations. You only can edit these two areas. 2 16/ 2 60tan32/ 2 60tan75. - - PP DAbtp MS21288-04 .190-32 UNJF-3A 168037-1 .190-32 UNJF-3B 2000/2100 Main Fuel Injector -max, 1min,2 max, 1 30tan 2 Dd P P DLe sA p -max,2min max 30tan 2 Dd P P dLe iA p biDKFT FASPsiii 577.0 FASPssts 5 7 7.0 stttFASP/ NOTE Save this master file as a new name and than use new file to do the calculations. Step 1 Define Bolt Nut Boss 2 Maximum bolt load based upon shear stress in the internal thread. Result Maximum allowable torque based upon minimum bolt load of 3 s. Step 3 If there are any thermal effects in the assembly a temperature correction factor Step 5 If higher torque is required, conduct torque tests and uate hardware for yield. Please Technical datas only in light blue blanks and inations. You only can edit these two areas. 2 16/ 2 60tan32/ 2 60tan75. - - PP DAbtp