You can read more about the equations used and the unit conversions below the tool. Hytorc proprietary bolting software and flange bolt torque calculator, flange calculator, flange. Look up the optimal torque for various combinations of bolt diameter, thread type, and grade or class. Even experienced tradesmen over or undertorque bolts. The relation between applied torque and axial force or load in a bolt can be calculated as.
Fill, sign and download bolt torque chart online on. This calculator is based on the vdi 2230 guideline. Calculate tightening torque, preload and surface pressure for hex head and socket head screws. Bolt torque can be checked with a tool such as a torque wrench, but without a value as a guideline, a torque wrench offers no. Most accurate bolt torque calculator given its geometry and thread diameter, using vdi 2230 standard, screw clearance through the specific tool 3d model. Determine desired torque applied to fastener or whatever, this is equal to t. Copyright 19982016 futek advanced sensor technology, inc.
Torque calculations are based on the simplified formula explained in the current version of. If you want to learn more about the concept of force and newtons second law, try the acceleration calculator. The tightening torque equals the total torque applied minus the prevailing torque. Nut factors are generalized averages that may vary greatly given all of the variables in any bolted joint, but are useful in approximating theoretical torque values. Measure from center of torque wrench adapter drive to center of tool extension adapter, this is e. Even experienced tradesmen over or under torque bolts. How to adjust torque values when using torque adapters. Online recommended bolt torque calculator based on uts and. Customized head shapes, hole chamfers, reduced shanks and materials are available options.
Futek bolt torque calculator bolt torque calculators. This online metric bolt torque calculator is used to find the torque of the ecoguard, lubricated and dry metric bolts. Engineering excel spreadsheet downloads structural design engineering resources. Truthfully, product information rarely supplies torque values. Indicated torque y is what your torque wrench should read to achieve the desired applied torque. Magtrol will often list units using the short form such as pound foot lbft which can also be written as poundforce foot lbfft. A prevailing torque is required just to rotate the nut on the bolt. The above calculators can not be copied or reproduced without written. Bolt torque calculator, free bolt torque calculator software downloads, page 2. Torque settings refer to the amount of torque that must be applied to a bolt in order to tighten it precisely, without under or overtightening, both of which can lead to torque loss and other issues. The nuts and bolts of specifying fastener torque machine. Torque is related to angular momentum, angular acceleration, and angular velocity in the following way. Use the norbar torque wrench extension calculator app to find what value you should set into the wrench to achieve the required fastener torque.
Bolt circle calculator lbolt hooked bolt nut and bolt specification yamaha bolt bolt action bolt taxify app bolt action rulebook bolt torque for tema misaligned bolt holes 2014 yamaha bolt yamaha bolt 2016 4th edition lightning bolt split bolt splice bolt action units yamaha star bolt flywheel bolt torque 3rd edition lightning bolt bolt. See torque force design equations webpage and torque chart page for recommended fastener torque and equation data this fastener bolt torque calculator will estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. Calculating max torque for bolt cwb1 mechanical may 19 16. K factor is a torque coefficient between bolt and receptacle. The bossard online converters are used for converting different units of measure, such as lengths, hardnesses, pressures etc. Download apps norbar torque tools, wrenches, multipliers. Online converters and calculators for fasteners bossard group. If no reference mark is present on the torque wrench, mark the center of the handle area for measurement. Quality checklist, torque guide, a325490 torquetension specs, stud bolt to nut chart, squarehex drive working torque. The torque rating of the drive shaft, coupling shafts, coupling bolts and conveyor screw must be able to withstand full motor torque without failing. Torksense torque tightening by nut factor method, torksensedemo. Valve torque calculator for ios free download and software. Stp conversion calculator torque calculator groschopp. The converters are divided into topic areas to enable the most efficient selection possible.
Clamped length l k is the free length of a bolt that is stretched under tension, meaning in a throughhole a, the distance between the bolt head and the nut. Calculate tightening torque, preload and surface pressure for hex head, socket head and countersunk screws. Use to determine torque, bolt load and percent yield of maximum load of bolts. Torquelator by nordlock torquelator by nordlock group. The torque calculator lets you easily convert between different units of torque. When using the torque in this tool and following the installation instructions of the packing, the leak level of the packing is guaranteed. The program computes recommended torque values, bolting patterns, tool selection and pump pressure settings for standard asme b16. Bolt torque calculator futek advanced sensor technology inc. Torquelator by nordlock calculates the preload and corresponding torque for bolted joints secured with nordlock washers. The most commonly used units can be selected and conversions are automatically and accurately generated. The length of the torque wrench in this example is 18.
Every kws screw conveyor is designed to this criteria with a minimum safety factor of 5 to 1. Norbar has devised easytouse online calculators that support the correct application of torque in three key areas. Store service applications support search search contact us. It also provides valuable torque information such as. The calculator recommends the best torque values and bolt loads for your job as well the recommended bolting pattern based on the bolting system you are using and.
The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. Informates bolt load values are independently verified to ensure leakfree joints, every time. The above calculators can not be copied or reproduced without written permission from futek advanced sensor technology, inc. In this guideline the torque required it is defined by the following expression. Bolt torque calculator software free download bolt torque. Torque calculator this torque calculator can calculate the torque t value, distance d or force f by using the same formula t f d and can support various measurement units. The torque converter calculator will allow you to convert nm to lbft or lbin or viceversa. The thing that is confusing me is the table 1m reference values for calculating target torque values for lowalloy steel bolting based on target prestress of 345mparoot area. The amount of force on a fastener is called as torque.
See the reference section for details on the methodology and the equations used. Calculating max torque for bolt mechanical engineering. In many scenarios, torque settings are determined by the bolt diameter alone. A special tool called a torque wrench can be used to set a specified maximum amount of torque to apply to tighten a bolt when the set torque is exceeded the wrench will allow the bolt to slip. Astm a193 b7 grade bolts are made of alloy steel, aisi 41404142 quenched and tempered and are intended for use in pressure vessels, valves, flanges, and fittings. Bolt group shear and torsion in fastened members excel spreadsheet calculator note. If an input is given then it can easily show the result for the given number. Norbar torque calculator, iphone, android and blackberry. The installation instructions of the packing used should always be followed in detail.
It is a function of the materials frictional characteristics, which are based on surface finish, coatings and so on. These torque and load values are for guidance only. See the instructions within the documentation for more details on performing this analysis. The generated torque is the torque that should be applied to the gland nuts. The bolted joint analysis calculator allows for stress analysis of a bolted joint, accounting for preload, applied axial load, and applied shear load. Torque wrench adapter extension indicated torque calculator. There are several grades under astm a193 namely b7, b8 class 1, b8m class 1, b8 class 2, b8m class 2.
Hytorc bolting software flange bolt torque calculator. Download the desktop version for full use of the tool, including unit conversions, efficiency calculations and. These estimated torque values are derived from the standard torque formula torque kdf utilizing a standard freespinning nut nonlocknut with a proof strength equal to or greater than the tensile strength of the bolt. Byjus torque calculator is a tool which makes calculations very simple and interesting. Modern fugitive emissions standards require a different approach to sealing valves with packed stuffing boxes. Bolt group shear and torsion excel spreadsheet calculator. Unit conversion to assist international measurement definitions.
Free torque euipment, calibration services download resources. Online converters and calculators for fasteners bossard. Bolt torque calculator determining proper torque to bolt. L length of thread engagement is the length of which the female threads contact the male threads d bolt nominal diameter inches, millimeters proof load stress 0. Common bolt torque values can be looked up, but finding an accurate reference isnt always easy. Bolt torque calculator software free download bolt. Similar to the above calculator, the new app offers instant conversion across a. The big problem is that the load on the gasket cannot be measured directly and easily during installation. Bolt load calculation software hydratight introduces informate. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. Bolt torque, axial clamp force, bolt diameter calculator. Here is the bolt torque chart for the astm a193 b7 grade bolts.
In inch units, torque is usually measured as lbft pounds feet or lbin pounds inch. Insert screw characteristics and calculate torque and the tool 3d model will be showed. This is the maximum torque that can be applied to the bolt without stripping the internal threads, using a safety factor of 1. The torque calculator an online tool which shows torque for the given input. Boltup is hydratights simple to use web based calculator, built upon the informate calculation engine, providing reliable, repeatable bolt loads. Download torque calculator and enjoy it on your iphone, ipad, and ipod touch. How to calculate the tightening torque of bolt quora. Resources to help you determine the right solution for your application. Welcome to this interactive flange bolting calculator from hytorc. Bolt target torque asme pcc1 boiler and pressure vessel. Optimizing a bolted joint through clamped length nord. The torque calculator can also work in reverse, finding the force or lever arm if torque is given. Bolt science providing solutions to bolting problems.
Bolting software flange bolt torque calculator hytorc. In my case the bolt i have used has got 550mpa min yield strength section ii, part d, thus according to 12. They are of two types, metric flange bolts and metric hex bolts. This standard bolt torque calculator is used to find the maximum torque for the given fractional bolt with the diameter, thread series and standard of the bolt. Bts software contains bolt tightening data for s of standard flange configurations bolting documentation quickly create bolting documentation which gives all the information tensioning technicians need to complete the job torque or tension the software calculates both bolt torque and bolt load. The official hytorc app gives you instant access to torque charts, safety and operational videos, product manuals, service center locations and our comprehensive bolt load calculator. Unit conversion to assist international measurement definitions torque extension for setting correct values. In a blind hole b or for a stud bolt c the distance between the head nut and the first thread engaged in the tapped hole.
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