Bolt Load Calculator





	During the second analysis with the real contacts, the bolt strain of e1 causes a load P1* in the bolts which is larger than the desired preload P. The bolt deformations are proportional to their distance from the I. Specify 'Load Angle Ø from the Vertical', 'Load x-Axis Eccentricity', and 'Load y-Axis Eccentricity'. Gross Area. Therefore the total elongation of the bolt is the result of two components: the unrestricted thermal elongation plus an elongation due to the increased load in the joint. 8 kN reduces the clamp force on the interface (the remaining 1. All bolts and loads points 5. To use this online calculator for Stiffness of the Bolt, enter Nominal Diameter (d), Modulus of Elasticity (E) and total thickness of parts held together by the bolt (l) and hit the calculate button. 5 kN Main member perpendicular to grain, Side member parallel to grain Q r = 2. Jun 7th, 2016. The allowable bolt load is then determined by multiplying the adjusted basic bolt-bearing stress by the projected bolt area, LD. If this box is un-checked then flange design bolt load for the gasket seating condition is computed as: W = Sa * ( Am + Ab ) / 2 Otherwise it is computed as follows according to note 2 of App. The total shear load on each bolt F t = Sqrt (F th 2 + F tv 2) The resulting bolt shear stress τ t = F t /A The shear stress in each bolt is calculated to ensure the design is safe. Outrigger Load Point load = (1+2) x 100% = (50,000 + 23,500) x1 = 73,500kgs or 73. The calculator is generic an can used for imperial and metric units as long as the use of units are consistent. be Hot-Dip Galvanized) Hot-Dip Galvanized U-Bolts will come with oversized hex nuts. See the above two figures (Fig. 	External load applied to the bolted joint. Effective length of engagement L e (0. ASD or LRFD: Select the design method to be used. Line 4 is the response of the model during the preload calculation when the gap "g" is small and the flanges become bonded. Bolt Preload - The tension created when the nut is screwed onto a bolt to hold two materials together. be/RgegCGg_F6o. Always apply load to eye bolt in the plane of the eye. Ability to combine loads using "Load Wizard" feature. 6Fy - Bolts can be in single shear or double shear as shown below. Features the Indikon product line of legacy torque and vibration measuring devices. This is designed to yield the nut threads to ensure the load is not carried solely by the first thread. Bolt Torque Calculator. Documentation for multiple bolted joint projects can be created very quickly with minimal operator input. 2 kN increases the load in the bolt). If this is done, a hand calculation of the shear load on the bolts can done and that load added directly into the loads on the bolt (it is desirable to have the shear load taken by frictional capacity in which case the actual load the bolt would see is zero). Strength of bolt joints withstanding bending forces. —Bolted test specimens to which load was applied parallel to the grain : A, with metal splice plates "; B, with wood splice plates A 3. 75d for standard nut) mm. Calculate bolt design stress and design load from bolt diameter and yield stress or proof stress. How to calculate Bolt Tensile Stress from Flange Analysis output report? Solution: The bolt tensile strength is broken into two parts of the report: Operating Conditions and Gasket Seating Conditions. Load The maximum load to be lifted 22,000kgs + Load 1,500kgs 3. 1 Eq 4 Factored single bolt shear load V ua = shear load taken by the friction = 0. Safety factors can be calculated using the following equation. 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. For example: A lag eye bolt will hold more load when screwed into a new oak board, compared to an old pine fence post. 	Boltplus Bolt Load Calculation is a free app and what makes it different from similar apps on the market is the speed, ease of use and ability to save all the calculations against a project. The flange pressure is calculated with no gasket preload, or. For most typical joint designs, the bolt and flange do not deflect at the same rate under preloading as a result of their different stiffnesses. Product Lines. Calculate the location of point load Shear bolt connection EC3 Torsional Moment-Stress Calculate the Axial Forces of the Truss Members Calculate the Maximum Shear Stress How to calculate yield strength Calculate angular velocity, angular acceleration Temperature Change Average shear stress in pressure vessel Allowable shear force of the girder. Load loss is a loss of bolt elongation depending on factors such as thread deflections, radial expansion of the nut, and embedding of the nut into the contact area of the joint. new specifications for structural joints using ASTM A325 or A490 bolts, one based on allowable stress principles and the other on a load factor and resistance design philosophy. Ground Type Ground comes in granular and cohesive types. Tension and Shear Allowable Loads for Drillco Maxi-Bolt Anchors The following tables give tension and shear working stress design load allowables. Use the data plot option to plot the allowable stress versus temperature for the selected material. 01^2*10000)/ (4*0. The calculation as per ASME VIII div. If this is done, a hand calculation of the shear load on the bolts can done and that load added directly into the loads on the bolt (it is desirable to have the shear load taken by frictional capacity in which case the actual load the bolt would see is zero). If you think that we may be able to assist you, whether it be via consultancy, or the provision of software, test services or training, why not give us a call, or send us an email. One steel web plate with timber member each side. Proof load is defined as the maximum tensile force that can be applied to a bolt that will not result in plastic deformation. Specify 'Load Angle Ø from the Vertical', 'Load x-Axis Eccentricity', and 'Load y-Axis Eccentricity'. 5 table 11-7 bolt load and flange pressure for class 150 flange. It is a function of the materials' frictional characteristics. 		Bolt Torque Calculator. - Select bolt pattern - Calculate bolt loads; size bolts - Identify potential failure modes in the fittings (region of joined members near bolts) and test-substantiated methods of assessment - Size fittings 5. 6057 = 63598. That figure is about right for a low tensile bolt. Anchor Bolts per Brownell and Young. How to calculate Bolt Tensile Stress from Flange Analysis output report? Solution: The bolt tensile strength is broken into two parts of the report: Operating Conditions and Gasket Seating Conditions. The bolts and load points can be numbered in any desired order. Step 1 - Enter Information. Minimize bolt load loss and prevent flange leaks. Bolt tensile area can be calculated for either ANSI threads, or ISO threads. Portland Bolt manufactures countersunk bolts from 1/2″ diameter through 1-1/2″ diameter in most ASTM, AASHTO, and SAE specifications including, A307 Grade A, A449, and Grade 8. As the name suggests, load will apply the tensile load to the bolt. The load is 100kg with its centre of gravity 100mm away from the way and 200mm lower than the centre of the bolt pattern. Procedures for the calculation of pre-stressed and dynamically loaded bolts are nowadays theoretically well known, practically tested and proved and also prescribed with different standards, regulations and recommendations Ric[ htlinie VDI 2230 2001]. The results are typical values. (US) 1-800-879-8000 | www. 1/4" Threaded Rod. Bolt proof load is defined as the maximum force that the material can support without experiencing permanent deformation. Look up the optimal torque for various combinations of bolt diameter, thread type, and grade or class. F = c * A * S. The calculator is generic an can used for imperial and metric units as long as the use of units are consistent. Permissible stress = safe stress for bolt = 650 Mpa, 650 = 10/ (3. The bolt acts like a spring. , the amount the system is stronger than it needs to be to handle an intended load. Lubricated on all mating surfaces of washers, studs, and nuts with Moly Paste containing 70% solids. 	Design of bolts in tension F b = A t S p Where A t is the tensile area. Generally this number is obtained through experiementation, is directly impacted by material hardness, surface. bolt = F b / kN hold down bolt max. Force in bolt when preload is lost (joint separates and contact force between clamped plates = 0) Fbreak/Fleak: resulting safety factor. Torque can be measured during flange assembly with a properly calibrated torque wrench. be/RgegCGg_F6o. Hydratight's Informate Software provides bolt loads and tool pressures on a range of flanged joints and clamp connections. 1 A bout Published Load Values The Anchor Fastening Technical Guide is intended to We passionately create enthusiastic customers and build. dl = F L / E A (1) where. In order to further clarify the effect of externally applied loads, a series of triangular diagrams (fig. , with no tension resisted by the bolts). Thread Tensile Stress Area Calculator. 001-BASEPLATE CALCULATION SHEET: Project No. ) of threaded section of each bolt size. The bolts and load points can be numbered in any desired order. 	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. As gasket load requirements for standard flanges generally fall within the mid-range of the bolt loads, gasket stress has not been used to calculate torque values. Untitled Anchor Design ACI Appendix D - Anchorage to Concrete. Clamp load (lb. In this example, of the 15 kN applied force, 13. Welcome to our technical resource library! Our goal is to take the guesswork out of your product search by providing a digital library of tools and resources. The stretch of a bolt or metal rod loaded in tension is calculated by use of the following equation. The formula to calculate the stress due to axial load is, σ = F/A. tension (in all bolts) F 1. Here's an example. Tension tooling, powertrain couplings, and accessories designed for power generation applications. Our clients include many of the major engineering organizations of the world. The Bolt Torque & Preload calculator can be used to calculate the torque required to achieve the desired preload on a bolted joint. When the number of bolts is unknown for a given load and member size, the program can determine the number of bolts required in each row considering the bolts-in-a-row capacity reduction effects. In order to further clarify the effect of externally applied loads, a series of triangular diagrams (fig. Torque can be measured during flange assembly with a properly calibrated torque wrench. Units of Measure. Steel grade. Length of Engagement. Preload results by applying a certain amount of torque to tighten a bolt. When the projected areas of adjacent anchor bolts overlap, the portion of the overlapping area is reduced by one-half for calculating A pt or A pv as shown in Figure 3. Where F is the preload force. The bolts and load points can be numbered in any desired order. Where Fb = Total bolt load, lb. 		When the projected areas of adjacent anchor bolts overlap, the portion of the overlapping area is reduced by one-half for calculating A pt or A pv as shown in Figure 3. Critical Stress Area Calculator. Where 'm' is the mass of the load, and 'a' is its acceleration. C16 C24 C14 C18 C22 C27 C30 C35 C40. Our bolt load calculator uses a proprietary calculation methodology, which is the only one that is directly traceable to only the very latest best practices, including ASME PCC-1. 75d for standard nut) mm. F t,Ed is the applied tensile load and F t,Rd is the tension resistance of the bolt. 2 Eq 7 Factored single bolt tensile load N ua = 4 M u / (N ab x D bc) - 0. Butt diameter. The basic assumptions in the analysis are (1) deformations of plate elements are negligible, (2) the total shear is assumed to be shared equally by all bolts and (3) the equivalent moment at the geometric centre (point O in Fig. Thread Production Thread Production Threads can be produced by either cutting or rolling operations. The figure, above, shows the difference between bolt load and compressive preload. com I en español 1-800-879-5000 I Hilti (Canada) Corp. 5, the load factor will be given by =3. The Bolt Torque & Preload calculator can be used to calculate the torque required to achieve the desired preload on a bolted joint. 1 power piping allowable bolt load and bolt stress from temperature (US units). Bolt Data: Size: Coarse  Load applied to either the bolt or tapped unit. Two steel web plates with three timber members. Again, Appendix 2 explains fairly well. When the number of bolts is unknown for a given load and member size, the program can determine the number of bolts required in each row considering the bolts-in-a-row capacity reduction effects. Bolt Torque Calculator. 	parametric study to calculate the yield and ultimate capacity of both types of specimens with various material properties and load resultant directions. ) 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1 1/8 1 1/4 1 3/8 1 1/2. 5) so that the overall factor of safety remains 3. com I en español 1-800-879-5000 I Hilti (Canada) Corp. In addition, the Research Council has approved and published "A Test Method to Determine the Slip Coefficient for Coatings used in Bolted Joints. A joint preloaded with a force F p is then subject to an additional load F e which tends to separate the joint. Cadmium =. This RepairEngineering bolt torque chart was created assuming a value at the mid-point of that range at 75% of the material proof strength. Countersunk bolts have a head angle of approximately 80 degrees. Style 5500 Inorganic Fiber Gasketing. Designing for the use of bolts according to proof load can help prevent plastic deformation. The bolt tensile area can be calculated for either ANSI threads based on threads per inch, or ISO threads based on thread pitch. Minimize bolt load loss and prevent flange leaks. Allowable Loads and Stress in Wood with Fastener - Wood Post-1991 Equations and Calculator. Bolts 7-14 Bearing Stress of Wood Under Bolts 7-14 Loads at an Angle to the Grain 7-14 Steel Side Plates 7-15 Bolt Quality 7-15 Effect of Member Thickness 7-15 Two-Member, Multiple-Member Joints 7-15 Spacing, Edge, and End Distance 7-16 Effect of Bolt Holes 7-16 Pre-1991 Allowable Loads 7-17 Post-1991 Yield Model 7-18. 	In this publication it recommended that the bolt area used be based upon the bolt "root area", which is. 34" The bolt force can be determined by a load-deformation relationship that has been experimentally derived from tests on 3/4" dia. A = The area of the cross-section. The Bolt Torque & Preload calculator can be used to calculate the torque required to achieve the desired preload on a bolted joint. Shibashis Ghosh. ASME/ANSI B16. Andrews Fasteners Bolt Length Calculator EN 14399 Pre-load bolt assemblies (HR) HR Bolt to EN 14399-3:2015 / HR Countersunk bolt EN 14399-7:2007. This AS4100 / AISC 360 / EN2 base plate design calculator has been pulled from our full Base Plate Design. Note: the value of the preload is the load per bolt, not the total load. 001-BASEPLATE CALCULATION SHEET: Project No. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. Bolt load is calculated from the design stress (SAE, ISO or ASME), bolt size (UNC, UNF, BSW or ISO) and the tensile area (ANSI or ISO threads). However, one key difference between eye bolts and hoist rings is that eye bolts are NOT designed to carry loads at extreme angles (45 degrees and above). Typically, a 5/8" diameter bolt needs to have a minimum of 5/8" internal thread in the. (cast iron) tensile stress area A t =π/4 d 02 ; d 0 = (d 2 +d 3 )/2. 5, the load factor will be given by =3. See the above two figures (Fig. ) of threaded section of each bolt size. For tie reinft, only the top most 2 or 3 layers of ties (50mm from TOC and 2x75mm after) are effective. The amount of the axial load that unloads the joint interface can be determined from the joint/bolt stiffness calculations. 54 [kips] Section 4. 		The brass is the 243 Winchester caliber and the dimensions were taken from a sectioned Winchester brand empty brass. DAT example model. The Federal Ballistics Calculator lets you quickly determine the trajectory for any rifle or handgun load, and save data for an unlimited number of loads. BOLT Bolt Detail "Race Track" Diagram "Race Track" Gaskets Elliptical Flange Diagram  The"k" factor is a unitless number that takes into consideration all elements that affect the amount of load applied by a fastener when torqued. If splice plates H and J are used to connect plates E and G, shear will take place in bolts K and L in each of the two planes MM' and NN'. When used with the correct assembly and built-in tightening procedures, the recommended bolt load values are independently verified to deliver leak-free joints. This calculator is for guidance only and is used for calculating the minimum recommended bolt length based on maximum allowed thickness of the assembly components and the steelwork. 7) Calculate bolt loads for a particular external load applied to the joint. assumes no responsibility for the use of these calculations. Clamping Force Formula. To determine an estimated torque value, use the standard torque formula: T = DFK. Screenshot of Bolt Sizing Calculator I have found this calculator to be immensely helpful. Countersunk bolts have a head angle of approximately 80 degrees. 991 = (50*pi*(10^2))/4. Butt diameter. 	Bolts are available with and without a slot in the head. The 2012 IRC code calls for a minimum of a 32″ O. parametric study to calculate the yield and ultimate capacity of both types of specimens with various material properties and load resultant directions. This calculator assumes standard bolt holes, with members stressed only in shear (i. You might find Taylor Forge Bulletin 502 helpful as well. B7 is required for flange joint material with nut factor of 0. COMMITTED TO SUSTAINABLE PRODUCTIVITY. Nord-Lock International Tools. The equations used to calculate the Bolt Tensile Stress for each section as followed: Note: Flange analysis based on Walkthru. Bolt load calculation: Maximum bolting torque is considered to develop 40% to 60% of bolt yield stress. The bolts and load points can be numbered in any desired order. UNJ round-root threads will develop higher loads and have higher endurance limits. The bolt diameters ranged from one-quarter tO' 1 inch. Thread Tensile Stress Area Calculator. Name * First. Bolted joints are often tightened to 75% to 80% of bolt proof load. The gasket outside diameter can either be taken as the flange hub diameter, or be user defined. These calculations are suitable for assessment of the strength of the flanges. Here is how the Stiffness of the Bolt calculation can be explained with given input values -> 785. The bolt stiffness is twice the clamping material stiffness. 10, this is my minimum required load. 	How to calculate Bolt Tensile Stress from Flange Analysis output report? Solution: The bolt tensile strength is broken into two parts of the report: Operating Conditions and Gasket Seating Conditions. Multiple anchor layouts allow for up to 16 anchor bolts in a single base plate. This calculator assumes standard bolt holes, with members stressed only in shear (i. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. 01^2*10000)/ (4*0. External load applied to the bolted joint. This app allows you to specify a tool for standard flanges, you can save your results into a free account and make enquiries for special tools - available to. Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents. When the number of bolts is unknown for a given load and member size, the program can determine the number of bolts required in each row considering the bolts-in-a-row capacity reduction effects. FastLube (teflon base) 0. 34" The bolt force can be determined by a load-deformation relationship that has been experimentally derived from tests on 3/4" dia. 1-800-363-4458 I www. As gasket load requirements for standard flanges generally fall within the mid-range of the bolt loads, gasket stress has not been used to calculate torque values. The equations used to calculate the Bolt Tensile Stress for each section as followed: Note: Flange analysis based on Walkthru. Lubricated on all mating surfaces of washers, studs, and nuts with Moly Paste containing 70% solids. If splice plates H and J are used to connect plates E and G, shear will take place in bolts K and L in each of the two planes MM' and NN'. 		Select hardware and design details. They are of two types, metric flange bolts and metric hex bolts. Any portion of the projected area that falls within an open cell, open core. Load was applied at the rate of 0. A material must remain in its elastic region when loaded up to its proof load typically between 85-95% of the yield strength. Also CheckBolt Value Overview : https://youtu. Allowable bolt stress is calculated from tables A-10. These bolts should be tightened to their proof loads and require hardened washers to distribute the load under the bolt heads. FUTEK created an online bolt torque calculator to better assist you. Calculate my bolt tension based on a percentage of bolt material yield stress (40% is my target), or 0. Where Fb = Total bolt load, lb. —Bolted test specimens to which load was applied parallel to the grain : A, with metal splice plates "; B, with wood splice plates A 3. Your Company Name. Bolts 7-14 Bearing Stress of Wood Under Bolts 7-14 Loads at an Angle to the Grain 7-14 Steel Side Plates 7-15 Bolt Quality 7-15 Effect of Member Thickness 7-15 Two-Member, Multiple-Member Joints 7-15 Spacing, Edge, and End Distance 7-16 Effect of Bolt Holes 7-16 Pre-1991 Allowable Loads 7-17 Post-1991 Yield Model 7-18. Likewise, the compressed abutments deflect and carry a compressive load ( P o ) in the region surrounding the bolt. Bolt Diameter (in. 1 A bout Published Load Values The Anchor Fastening Technical Guide is intended to We passionately create enthusiastic customers and build. Bolt Preload - The tension created when the nut is screwed onto a bolt to hold two materials together. 	Ammunition Inputs. Calculate the maximum torque and load for different types of bolts: BA BSF BSW Metric Coarse UNC BS970 UNF BS970 UNC ASTM UNF ASTM Mach. 2 Allowable loads shall not exceed 20 percent of the average tested strength. K is the coefficient of friction. The equations used to calculate the Bolt Tensile Stress for each section as followed: Note: Flange analysis based on Walkthru. Tightening torque to preload a bolt Metric thread : M1 M1. Preliminary analysis indicates a joint with a single threaded fastener can resist. Allowable Loads and Stress in Wood with Fastener - Wood Post-1991 Equations and Calculator. (cast iron) tensile stress area A t =π/4 d 02 ; d 0 = (d 2 +d 3 )/2. Bolted joints are often tightened to 75% to 80% of bolt proof load. Thread Production Thread Production Threads can be produced by either cutting or rolling operations. A is the tensile shear area of the the bolt. 2) and design the cast in place anchor bolts according to the arrangement shown. Untitled Anchor Design ACI Appendix D - Anchorage to Concrete. 81 = 721,035 kNs. The allowable bolt load is then determined by multiplying the adjusted basic bolt-bearing stress by the projected bolt area, LD. Rectangular, circular, L-shape and T-shape base plate geometries with the option to include slotted holes. Embed Depth 6. F bolt= Fi +. As shown in the figure above the applied external load equals the difference between bolt load and compressive preload. Loads at Angle - Lateral Resistance Main member parallel to grain, Side member perpendicular to grain Q r = 1. Always tighten nuts securely against the load. These bolts should be tightened to their proof loads and require hardened washers to distribute the load under the bolt heads. In this publication it recommended that the bolt area used be based upon the bolt "root area", which is. 13 kN N r = P r *Q r /(P r *sin 2 &Theta + Q r *cos 2 &Theta) =2. 	This is designed to yield the nut threads to ensure the load is not carried solely by the first thread. This AS4100 / AISC 360 / EN2 base plate design calculator has been pulled from our full Base Plate Design. Wood: Service: Treatment: Load Duration: waiting for input By using Jabacus or information derived from this Service, you have agreed to the Terms. F t,Ed is the applied tensile load and F t,Rd is the tension resistance of the bolt. Calculation of Load Distribution using Bolt/Joint Stiffness. What I need to know is, is it possible to calculate compressive load applied when tightening a bolt to a specific torque? Eg: tightening a 1/4" bolt to 25 ft. Bolt load is calculated from the design stress (SAE, ISO or ASME), bolt size (UNC, UNF, BSW or ISO) and the tensile area (ANSI or ISO threads). The proof load itself is usually 85% to 95% of a bolt's yield strength, but the clamp load is significant because it is what ultimately provides the clamping pressure. K - constant d - diameter of bolt (m, in) F - axial bolt force or load (N, lb). About this Calculator What is it for? This calculator can be used as an aid to help estimate the weight of bolts, nuts, and washers. Two steel web plates with three timber members. The flanges attempt to expand more than the bolt will allow which increases the load in the bolt. be/RgegCGg_F6o. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. Learn More. Length of Engagement. Informate Bolt Load Calculation Software (UK). Structural Bolts; Square Head Bolts; Timber Bolts; Headed Anchor Bolts; Hex Lag Screw; Square Lag Screws; Carriage Bolts; Timber Spikes; Machine Bolts; Washer Head Bolts; Round Head Bolts; Countersunk Bolts; Step Bolts; Custom Heading; Rods. Use the data plot option to plot the allowable stress versus temperature for the selected material. Stress values are interpolated from the US data tables (US units govern). T = K x D x P. Summation of external forces from the applied loading should. 		Standard Non-Structural Bolts. 75 for reuse connections,. TIE ROD HYDRAULIC CYLINDER BOLT 72. The length of the screw engagement should therefore be sufficient to carry the full load necessary to break the screw without the threads stripping. A is the tensile shear area of the the bolt. Finding Shear Loads on Fastener Group. 991 = (50*pi*(10^2))/4. Typically, a 5/8" diameter bolt needs to have a minimum of 5/8" internal thread in the. Bolt Data: Size: Major Diameter:  Applied Load: Load applied to either the bolt or tapped unit. Estimates of reactions at the bolt locations using conventional equations and FEA mathematical idealization agree well with each other. If an angular lift is required, a properly seated shoulder pattern machinery eye bolt must be used. In this particular context, where torque is known, the thread pitch doesn't come into it as you are calculating based on. Use for axial load applications. Wood-to-wood, wood-to-concrete, and wood-to-steel connections are possible. Safety Factor. Without knowing or paying attention to it, you may be setting yourself up for an insufficient load situation…and a problem. bolt made of steel (ctj > ctb) is subjected to a uniform temperature increase. For a joint with no bolt preload, an axial load on the joint members is transmitted directly to the bolt so that the bolt load is equal to the joint load, or, in the case of multiple bolts, to a proportionate part of the joint load. Tensioning sequence information. Design of bolts in tension F b = A t S p Where A t is the tensile area. So, to use the example above, in order to pass the proof load test set by ASTM A354, a ½-13 bolt must be able to hold a load of at least 17,050 lbf for a minimum of ten seconds without permanently elongating. 	Features the Indikon product line of legacy torque and vibration measuring devices. ACI Chapter 9. ultimate tensile strength R m. The Bolt Torque Formula. The calculator also automatically provides the tangential stress in a Swivel Ring for each design and size. Thread stripping strength. , the amount the system is stronger than it needs to be to handle an intended load. Portland Bolt manufactures countersunk bolts from 1/2″ diameter through 1-1/2″ diameter in most ASTM, AASHTO, and SAE specifications including, A307 Grade A, A449, and Grade 8. Equations J3-6 (SCM page 16. The following formula is used to calculate the reduced design live load per ft^2 of the area supported by a member. With the ANSI standard set, the calculation is performed in English units, with corresponding bolt dimensions also included. Informate's bolt load values are independently verified to ensure leak-free joints, every time. For UN bolts, the diameter is specified in inches (in) and usually converted to feet (divide inches by 12) for the. assumes no responsibility for the use of these calculations. Adjustment refers to how much the bolt will stretch due to the applied tension. The stretch of a bolt or metal rod loaded in tension is calculated by use of the following equation. The dispersion of the bolt is very small. G = diameter at location of gasket load reactiong0 = thickness of hub at small endg1 = thickness of the hub at back of flangeH = total hydrostatic end forceHD = hydrostatic end force on area inside flangeHG = gasket load (difference between flange design bolt load and total hydrostatic end force)HP = total joint-contact surface compression. Static Load. , with no tension resisted by the bolts). Force in bolt when preload is lost (joint separates and contact force between clamped plates = 0) Fbreak/Fleak: resulting safety factor. 6 M2 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20 M24 M30 M36 M42 - 3. 1/4" Threaded Rod. The gasket outside diameter can either be taken as the flange hub diameter, or be user defined. 	TIE ROD HYDRAULIC CYLINDER BOLT 72. This chart is from ASME PCC-1 (2019) and is a "Target Torque Index. Line 4 is the response of the model during the preload calculation when the gap "g" is small and the flanges become bonded. 6 kg There are two bottom bolts each has 30. Additive loading and bolt re-tightening are possible. Quenched Read More ». Stress values are interpolated from the US data tables (US units govern). (US) 1-800-879-8000 | www. 9 D e / N ab = 29. Quick Input Quick input provides input of all data in only one dialogue window. Force = Bolt Load = ? Area = Tensile Stress Area = 0. This means that a bolt can hold a significantly higher load when the correct amount of tension is applied. The equations used to calculate the Bolt Tensile Stress for each section as followed: Note: Flange analysis based on Walkthru. 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. It will quickly and accurately calculate the maximum bolt tensile load, shear load, torsion load, and the recommended tightening torque among other things for any size fastener (US customary units only). The most common target for bolt tightening is to achieve 75 percent of the bolt's proof load. Generally this number is obtained through experiementation, is directly impacted by material hardness, surface. Click on the 'Sample' button to create a sample bolt data/entries. External load applied to the bolted joint. The main difference between anchor bolt and anchor stud is the way how they attach to the base plate. The stretch of a bolt or metal rod loaded in tension is calculated by use of the following equation. The bolt acts like a spring. The Atlas Copco software allows users to manage and rapidly calculate bolt tensioner pressures. 		Selected LRFD General Provisions. The bolt deformations are proportional to their distance from the I. 3 Table A-2). Both lateral (single and double shear) and withdrawal capacities can be determined. 2: Anchor Bolt design Example Elevation. Never use regular nut eye bolts for angular lifts. Nb = number of bolts. But also the possibility to make a request for a special tensioner or enquire about your selections directly in the app. shear load taken by the friction: Section 4. Nord-Lock International Tools. These loads were calculated by reducing the ultimate strength design method values for each material type by a factor of 1. Effective length of engagement L e (0. 2 Eq 7 Factored single bolt tensile load N ua = 4 M u / (N ab x D bc) - 0. sf3dab380a4f42df3. Screenshot of Bolt Sizing Calculator I have found this calculator to be immensely helpful. The force generated (F) is, F = ma. A joint preloaded with a force F p is then subject to an additional load F e which tends to separate the joint. 	Factor of Safety When Strength of Bolt in Tension is Given calculator uses factor_of_safety = ( pi /4)*( Core Diameter ^2)*( Tensile Yield Strength / Tensile strength ) to calculate the Factor of safety, The Factor of Safety When Strength of Bolt in Tension is Given formula is defined as the ratio of a structure's absolute strength (structural capability) to actual applied load; this is a. Clamp load (lb. It is based upon the ASCE 7 standard used throughout the United States for. This online calculator is used to find the positions of the bolt circle pattern based on the number of holes, angle of 1st hole, diameter of 1st hole, offset, diameter of hole and bolt circle. , with no tension resisted by the bolts). Higher or lower values of clamp load can be used depending on the application require-. Observing that the shear P in each of the sections is P = F/2, it can. We will evaluate target bolt torque required for leak-proof tightening. Structural Bolts; Square Head Bolts; Timber Bolts; Headed Anchor Bolts; Hex Lag Screw; Square Lag Screws; Carriage Bolts; Timber Spikes; Machine Bolts; Washer Head Bolts; Round Head Bolts; Countersunk Bolts; Step Bolts; Custom Heading; Rods. Too much clamping force can also cause severe problems. The equations used to calculate the Bolt Tensile Stress for each section as followed: Note: Flange analysis based on Walkthru. The nominal resistance, R n, of a single hole is the minimum value of the two limit states: tear out and bearing deformation. Tension and Shear Allowable Loads for Drillco Maxi-Bolt Anchors The following tables give tension and shear working stress design load allowables. 6 M2 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20 M24 M30 M36 M42 - 3. How would the calculation procede to select correct fasteners using the VDI 2230 method. Shear Capacity at 160N/mm THREADS IN SHEAR PLANE. 	bolt preload command can be accessed by going to Model > Load > BoltPreload, or by using the Model Tree. Allowable bolt stress is calculated from tables A-10. 6Fy - Bolts can be in single shear or double shear as shown below. In order to further clarify the effect of externally applied loads, a series of triangular diagrams (fig. From the beginning of MecaStack (until v5532), the anchor bolt design was the same, which only checked the tensile capacity of the bolt. You enter: and the flange calculator will provide: Outside diameter. 8) NOMINAL BOLT SLIP LOAD - This is the nominal slip load shear loads applied to the joint should be below this value. This spreadsheet answers his question. Bolt Diameter (in. Thread Production Thread Production Threads can be produced by either cutting or rolling operations. Shoulder Eye Bolts Never Exceed Working Load Limits. 5 table 11-7 bolt load and flange pressure for class 150 flange. The brass is the 243 Winchester caliber and the dimensions were taken from a sectioned Winchester brand empty brass. Enter values below to calculate the coordinates of the holes in a bolt circle. The calculation makes enables graphical representation of load-extension diagrams and scale drawings. What I need to know is, is it possible to calculate compressive load applied when tightening a bolt to a specific torque? Eg: tightening a 1/4" bolt to 25 ft. 		These bolts should be tightened to their proof loads and require hardened washers to distribute the load under the bolt heads. Bolt Torque. If you set up a nut and bolt in a Skidmore-Wilhelm load cell and tighten the bolt to a certain cut-off spec using a torque wrench, the actual measured tension will not. Lag eye bolts have threads designed to screw into wood. Permissible stress = safe stress for bolt = 650 Mpa, 650 = 10/ (3. bolt made of steel (ctj > ctb) is subjected to a uniform temperature increase. How bolt patterns react to external loads. Force in bolt when preload is lost (joint separates and contact force between clamped plates = 0) Fbreak/Fleak: resulting safety factor. Side loads are given for the Figure 283 for a maximum temperature of 650ºF / 343ºC. accounts for preload, applied axial load, and applied shear load Alternative Torque Formula A popular formula for quick bolt torque calculations is T = KFd , where T denotes torque, F denotes axial load, d denotes bolt diameter, and K (torque coefficient) is a calculated value from the formula:. 6) Calculate Basic Joint Forces. In other words, the material must remain in its elastic region when loaded up to its proof load. Ability to combine loads using "Load Wizard" feature. FLEXSEAL ® SW Gaskets. In this guideline the torque required it is defined by the following expression: Where. 	3982 = (pi*0. Bolt load is calculated from the design stress and the tensile area for either ANSI threads or ISO threads. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. Proof load is typically between 85-95% of the yield strength. Tensile Capacity at 195N/mm. 0 Introduction 4 Hilti, Inc. Factor of Safety When Strength of Bolt in Tension is Given calculator uses factor_of_safety = ( pi /4)*( Core Diameter ^2)*( Tensile Yield Strength / Tensile strength ) to calculate the Factor of safety, The Factor of Safety When Strength of Bolt in Tension is Given formula is defined as the ratio of a structure's absolute strength (structural capability) to actual applied load; this is a. The bolt deformations are proportional to their distance from the I. Product Lines. 7) Calculate bolt loads for a particular external load applied to the joint. Load The maximum load to be lifted 22,000kgs + Load 1,500kgs 3. The bolt that is located furthest from the I. Steel grade. TIE ROD HYDRAULIC CYLINDER BOLT 72. Thread stripping strength. Hydratight, the world leaders in bolting and bolted joint integrity, brings you Boltup®, the free bolt load calculator. Diameter of Bolt Circle. The baseplate design in MecaStack is based upon the book "Process Equipment Deisgn" by Brownell and Young. Start angle: The 0° angle is to the right in the "X" axis and aligned with the center of the bolt circle in the "Y" axis. In this example, of the 15 kN applied force, 13. Consider an eccentric connection carrying a load of P as shown in Fig. Torque calculations are based on the simplified formula explained in the current version of ASME PCC-1, Appendix K. 1 A bout Published Load Values The Anchor Fastening Technical Guide is intended to We passionately create enthusiastic customers and build. Countersunk bolts have a head angle of approximately 80 degrees. Higher or lower values of clamp load can be used depending on the application require-. 	The anchor bolt edge distance, l be, is measured in the direction of the applied load from the center of the anchor bolt to the edge of the masonry. The bolt end faces must be finished. Proof load is defined as the maximum tensile force that can be applied to a bolt that will not result in plastic deformation. Although material properties vary, an approximate estimate of proof strength is. ACI 318M-11 Appendix D clause D. be/dIXXSs3Zt5s Detailing of joint Pitch End distance : https://youtu. Here is how the Maximum amount of load that can be resisted by one bolt calculation can be explained with given input values -> 3926. The brass is the 243 Winchester caliber and the dimensions were taken from a sectioned Winchester brand empty brass. Where, Sa = bolt a. Where F is the clamping force (N, lbs) T is the torque applied to the bolt (N-mm, in-lb) K is the friction of the bolt contact. 6057 = 63598. Anchor Bolts per Brownell and Young. Stephen Mraz. at the grout-to-bolt interface, use the following calculation: F = BD x x L x 1600 psi Where: F = Bolt Pullout Force in lbs. Screw The calculated values are the maximum recommended values, based on 90% of yield. Never use regular nut eye bolts for angular lifts. is assumed to have a deformation of 0. 		That is, the gap is eliminated. Welcome to our technical resource library! Our goal is to take the guesswork out of your product search by providing a digital library of tools and resources. That figure is about right for a low tensile bolt. Anchor Bolt. Equations J3-6 (SCM page 16. The equations used to calculate the Bolt Tensile Stress for each section as followed: Note: Flange analysis based on Walkthru. Permissible stress = safe stress for bolt = 650 Mpa, 650 = 10/ (3. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. 5) Calculate torsional shear force (Fm). Again, Appendix 2 explains fairly well. Input Parameters Ψ Tightness factor - With a prestressed bolted connection, the distance between materials is undesirable. Metric size. Bolt Pattern Calculator. Load factoring and allowable stress calculations will applied accordingly. ) of threaded section of each bolt size. Reduced fastener fatigue life. 1 Eq 4 Factored single bolt shear load V ua = shear load taken by the friction = 0. Bolt Torque Calculator. Anchor Rods; All Thread Rods; Tie Rods; Drift Pins; Swedged Rods; Threaded Rebar; Bent Bolts. The main difference between anchor bolt and anchor stud is the way how they attach to the base plate. My initial thoughts are to approach the qualification as I would for a bolt and nut in a slotted hole. 	Load in the bolt. The calculation provides a handy vectorial view of the loads at each bolt. Bolt Diameter. Torque can be measured during flange assembly with a properly calibrated torque wrench. The following formula is used to calculate the reduced design live load per ft^2 of the area supported by a member. How bolt patterns react to external loads. Ability to combine loads using "Load Wizard" feature. This AS4100 / AISC 360 / EN2 base plate design calculator has been pulled from our full Base Plate Design. staggered pattern with at least a 3″x. Force on bottom bolts = 65000 kg mm/(22. Each Bolt withstands a shear Force F s = F v / (Number of bolts) The resulting shear bolt stress τ n = F s /A. 0 Introduction 4 Hilti, Inc. Outrigger Load Point load = (1+2) x 100% = (50,000 + 23,500) x1 = 73,500kgs or 73. The diameter of the holes that are equally distributed around the bolt circle diameter Bolt circle diameter: the diameter of the circle on which the holes will be evenly distributed. Minimum three (3) inputs are required then select "Find" button to get unknown. GYLON ® Style 3510 PTFE with Barium Sulfate Filler Gasketing. 1 power piping allowable bolt load and bolt stress from temperature (US units). I divide this by number of bolts to get my required load per bolt 3. With the ANSI standard set, the calculation is performed in English units, with corresponding bolt dimensions also included. For angular lifts, adjust working load as shown above. All load changes in services, like increasing or decreasing  The most essential parameters of the flange calculation represent the loads, the construction of the single. Accuracy of Bolt Preload Based on Bolt Preload Method. The lower calculation table considers simulaneous axial (Fa) and shear loads (Fs) on the joint which accounts for this. 	These online construction calculators were created specifically for carpenters, painters, bricklayers, roofers, and craftsmen alike who switch back and forth between square feet of driveways and pounds of cement on an everyday basis. Calculator Menu. When a load (weight) is placed on a bolt, it is limited to the amount of load the bolt can handle before failing. We will evaluate target bolt torque required for leak-proof tightening. 2) of the bolt group, causes shear in any bolt. One timber member with steel web plate each side. The calculation used to determine clamp load was explained in our post last month. The calculator tools also provide a direct link to the recommended washer product with the ability to quickly add the item to your quote cart for pricing and delivery from our sales team. 1) The maximum loads in the table above are based on allowable tensile stress of 12 kpsi - reduced by 25% to 9 kpsi allowable stress. But also the possibility to make a request for a special tensioner or enquire about your selections directly in the app. Calculate ASME B16. pitch diameter d 0 = (d 2 +d 3 )/2. The formula to calculate the stress due to axial load is, σ = F/A. The bolts are in double shear. As the name suggests, load will apply the tensile load to the bolt. Use the Result Table option to display a table of design stress and. 8 kg of estimated tension load from the moment. 		Edit 'Bolt x-Coordinate' and/or 'Bolt y-Coordinate' then click on the 'Apply Entry' button. To calculate Shear stress in bolt in terms of maximum load that can be resisted by one bolt, you. My initial thoughts are to approach the qualification as I would for a bolt and nut in a slotted hole. Calculation No. Clamp load (lb. 8 kg of estimated tension load from the moment. 2 Allowable loads shall not exceed 20 percent of the average tested strength. Lag eye bolts have threads designed to screw into wood. Bolts are available with and without a slot in the head. GO TO NEW INTERFACE (FRAME/TRUSS)>. When a load (weight) is placed on a bolt, it is limited to the amount of load the bolt can handle before failing. WINCHESTER 243 BRASS The 2D mesh rotated into a 3D picture. in (For 1" bolt from ASME PCC-1) Force (Bolt Load) = 105000 X 0. Using a ½-13 hex-head cap screw for illustration, Figure 2 summarizes the pressure that would be generated by that bolt tension on the mating material, assuming a standard 9/16-inch clearance hole. Load loss is accounted for in calculation and is added to the preload value to determine the initial Applied Load. The calculation makes enables graphical representation of load-extension diagrams and scale drawings. Apart from the bolt diameter calculation for tensile application, you also need to calculate thread engagement length for the bolt. dl = F L / E A (1) where. 	However, one key difference between eye bolts and hoist rings is that eye bolts are NOT designed to carry loads at extreme angles (45 degrees and above). The proof load itself is usually 85% to 95% of a bolt's yield strength, but the clamp load is significant because it is what ultimately provides the clamping pressure. In other words, the material must remain in its elastic region when loaded up to its proof load. Rectangular, circular, L-shape and T-shape base plate geometries with the option to include slotted holes. —Bolted test specimens to which load was applied parallel to the grain : A, with metal splice plates "; B, with wood splice plates A 3. For standard bolt torques use 0. Keywords: Prying E ect, Prying Load, Finite Element Method, Tensile Connection v. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. This spreadsheet answers his question. Lag eye bolts have threads designed to screw into wood. The bolt tensile area can be calculated for either ANSI threads based on threads per inch, or ISO threads based on thread pitch. For example, if you look at the hardness of an SAE J995 Grade 8 nut (HRC 24-32 up to 5/8-in diameter), it is likely to be less than the SAE J429 Grade 8 bolt (HRC 33-39). When the load on a fastener group is eccentric, the first task is to find the centroid of the group. Bolt Science has a great deal of experience in solving bolting problems. About this Calculator What is it for? This calculator can be used as an aid to help estimate the weight of bolts, nuts, and washers. I accept the terms and conditions set forth above. The gasket outside diameter can either be taken as the flange hub diameter, or be user defined. We have learned from our experience to use at least a 3 1/4″'x. Bolt load is calculated from the design stress and the tensile area for either ANSI threads or ISO threads. 6) Calculate Basic Joint Forces. 	Summation of external forces from the applied loading should. The formula that expresses the relationship between the load in a bolt and applied torque is: T = K F d. Project Description: The Bolted Joint Analysis calculator allows for stress analysis of a bolted joint, accounting for preload, applied axial load, and applied shear load. Bolt design calculation for shear and tension is required when the bolt is subjected to combined shear and tensile stresses. bolt preload command can be accessed by going to Model > Load > BoltPreload, or by using the Model Tree. Where Fb = Total bolt load, lb. Bolt load is calculated from the design stress and the tensile area for either ANSI threads or ISO threads. Important: Working load limits for eye bolts are based on a straight vertical lift in a gradually increasing manner. Eye bolts have many handy applications. In the majority cases the look of the seal joint, the overall bolt load needed Fb is calculated. ASME/ANSI B16. As long as a bolt is never tensioned beyond its specified proof load, you can be assured that it has maintained its original size and shape, and may be safely reused. Our clients include many of the major engineering organizations of the world. This may be understood by reference to figure 1. Nut Factor. This AS4100 / AISC 360 / EN2 base plate design calculator has been pulled from our full Base Plate Design. The calculator also automatically provides the tangential stress in a Swivel Ring for each design and size. One steel web plate with timber member each side. Estimates of reactions at the bolt locations using conventional equations and FEA mathematical idealization agree well with each other. , reductions in capacity are possible when bolt spacing is less than optimal). Calculate my bolt tension based on a percentage of bolt material yield stress (40% is my target), or 0.