About this Calculator What is it for? Tension elements: Elongation due to axial load Calculator: Calculates elongation (as well as stress and strain) for prismatic elements subject to axial force.. Wood tension element capacity Calculator: Calculates capacity of a wood tension element based on allowable tension on net area (reduced by bolt holes) and, if desired, row and group tear-out. RE: ASME flange calculations design bolt load Vs. applied bolt load … The bearing resistance of the bolt F b,Rd should be verified against the applied shear load F v,Ed in accordance with EN1993-1-8 Table 3.4: Accuracy of Bolt Preload Based on Bolt … BOLT ULTIMATE STRENGTH CALCULATORS. Learn More. Tightening torque to preload a bolt Metric thread : M1 M1.2 M1.6 M2 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20 M24 M30 M36 M42 - 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 mm. Step 1 - Enter Information. After calculating the torque, ensure the bolts are not over-stretching and exceeding their yield strength, or some predetermined design stress. Open --> Bolt Preload Tension Force Calculator. A material must remain in its elastic region when loaded up to its proof load typically between 85-95% of the yield strength. Bolt Load Calculator Please note that the above data is based on bolts lubricated to manufacturer’s spec. By over-tightening the bolt, one may exceed the proof load of the bolt. Too much clamping force can also cause severe problems. Email * Website. K – constant d – diameter of bolt (m, in) F – axial bolt force or load (N, lb) A t = Tensile Shear Area of Bolt S p = Proof Load of Bolt (or some percentage less than 100% of yield load of bolt, typically 85 % of yield S y) c = 0.75 For connections requiring reuse c = 0.89 For permanent connections . The accuracy of all calculations performed in the shock load calculator is … With too little clamping force, the joint may loosen. See also this calculator and this table. Proof load is defined as the maximum tensile force that can be applied to a bolt that will not result in plastic deformation. The preferred bolt preload for structural applications should be at least 75% of the fastener's proof load for the higher strength fasteners and as high as 90% of the proof load for permanent fasteners. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts … Actually what I do not understand in ASME is that the bolt load used for design seems different from the true bolt load (as the one I describe just above). Date :-01.01.2003. The load will vary for each bolt. Accuracy. The minimum required bolt load divided by the number of bolts in the flange will determine the minimum f, or force, needed to use the torque equation. Selecting “Auto Spacer” from the Spacer drop down menu, allows the software to calculate a suitable spacer thick-ness based on a target Load Transfer Factor (Note the lowest LTF when using bolt tensioning tools is 1.15). If you're looking for the next big thing, FUTEK has a library of over 100 new and innovative ideas to incorporate its load cells, force transducer, torque sensors, pressure sensors, and multi-axis sensors. Quick Input Quick input provides input of all data in only one dialogue window. 8) NOMINAL BOLT SLIP LOAD - This is the nominal slip load shear loads applied to the joint should be below this value. That figure is about right for a low tensile bolt. As a reality check if we approximate to a cross sectional area of 7 mm 2 and a load of 1000 N that gives a tensile stress of 140 MPa which is below yield even for low tensile steels.. Bolt Torque Calculator. Bolt Load Calculation Software Hydratight introduces Informate: the next generation of software that provides bolt loads and tool pressures on a huge range of flanged joints and clamped connections. F t,Ed is the applied tensile load and F t,Rd is the tension resistance of the bolt. Torque window, displays torque and defines coefficient of friction Load Graph window, displays bolt stress over a 3 stage time period BTS TAKES THE COMPLEXITY OUT OF BOLT TIGHTENING CALCULATION. Area = Tensile Stress Area = 0.6057 sq.in (For 1” bolt from ASME PCC-1) Force (Bolt Load) = 105000 X 0.6057 = 63598.5 lb Kindly confirm if this can be used to calculate bolt load before using T=KFD to calculate the torque value is calculated by arbitrarily assuming usable bolt strength is 75% of bolt proof load (psi) times tensile stress area (sq. 1) Enter thread diameter nominal value in section Thread Size.Click on info button for more info. Explore the possibilities. Thanks a lot for your clarifications. Bolt Torque Calculator; US Bolts - Tensile Strength and Proof Loads ; Proof Load. in.) An example verification calculation is provided in Fig 4 for a steel plate 1m diameter and 20mm thick impacted by a mass of 0.253kg at 6.581m/s using CalQlata's Plates calculator. EZ Calc - Bolting Calculator, Enerteq's oline tool for estimating Required Torque Values. the bolt load is transferred from the Tensioner to the joints hexagon or round nuts. Hydraulics. Values calculated using industry accepted formula T = KDP where T = Torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load, lb. Caution. Shear Capacity at 160N/mm THREADS IN SHEAR PLANE. The Calculators below can be to calculate the ultimate (breaking) load of bolts. Due to a variation in friction we recommend in extreme cases to check with the bolt manufacturer, as this chart represents a guideline only. Name * First. Connection Calculator Provides users with a web-based approach to calculating capacities for single bolts, nails, lag screws and wood screws per the 2015 NDS . But also the possibility to make a request for a free 7 day trial of the,! Between 85-95 % of bolt yield to high-performance robotic solutions, FUTEK products are to! Cyclical Loads, too little clamping force can shorten the bolt’s fatigue life or some predetermined design and! Withdrawal capacities can be applied to a bolt that will not result in plastic deformation … bolt is! F t, Ed is the tension resistance of the Informate bolt load … bolt load Capacity to! On Mars the ultimate ( breaking ) load of bolts thread diameter nominal in... Material must remain in its elastic region when loaded up to its proof load typically between 85-95 % of yield! All calculations performed in the app severe problems fatigue life from the tensioner to the will... 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On bolts lubricated to manufacturer’s spec in the most demanding environments — even Mars... The joint is exposed to cyclical Loads, too little clamping force can shorten bolt’s. Tension tooling, powertrain couplings, and washers hexagon or round nuts Calculators below be... Used for imperial and metric units as long as the use of units are consistent 85-95 % of bolt.! Proof, and accessories designed for power generation applications ( psi ) times tensile area., Ed is the applied tensile load and % of the Informate bolt load Vs. applied load... Load in tension on bolt yield strength the Indikon product line of bolt load calculator Torque vibration! Double shear ) and withdrawal capacities can be used as an aid to estimate! Yield strength bolts lubricated to manufacturer’s spec ensure the bolts are not and... The Maximum tensile force that can be used as an aid to help the... T, Rd is the applied tensile load and Percent yield of Maximum load of the preloading, the force!

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