This fastener bolt torque calculator will estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. K factor is a torque coefficient between bolt and receptacle. Bolt torque calculator software free download bolt. Measure from center of torque wrench adapter drive to center of tool extension adapter, this is e. Download torque calculator and enjoy it on your iphone, ipad, and ipod touch. Bolt torque calculator futek advanced sensor technology inc. Online converters and calculators for fasteners bossard. 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 amount of force on a fastener is called as torque. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. Torquelator by nordlock calculates the preload and corresponding torque for bolted joints secured with nordlock washers. The relation between applied torque and axial force or load in a bolt can be calculated as. The installation instructions of the packing used should always be followed in detail. 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. Stp conversion calculator torque calculator groschopp. The torque rating of the drive shaft, coupling shafts, coupling bolts and conveyor screw must be able to withstand full motor torque without failing.
When you put an extension on a torque wrench, the torque applied to the fastener increases. Torquelator by nordlock torquelator by nordlock group. Bolt group shear and torsion excel spreadsheet calculator. The bossard online converters are used for converting different units of measure, such as lengths, hardnesses, pressures etc. 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. Even experienced tradesmen over or undertorque bolts. Bolting software flange bolt torque calculator hytorc. See the reference section for details on the methodology and the equations used. Groschopps torque calculator stp online conversion calculator provides a fast, easy way to calculate speed, torque or power.
Bolt torque calculator determining proper torque to bolt. The most commonly used units can be selected and conversions are automatically and accurately generated. Bolt torque calculator, free bolt torque calculator software downloads, page 2. Most accurate bolt torque calculator given its geometry and thread diameter, using vdi 2230 standard, screw clearance through the specific tool 3d model. Similar to the above calculator, the new app offers instant conversion across a. 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. Download the desktop version for full use of the tool, including unit conversions, efficiency calculations and. It also provides valuable torque information such as. Bolt torque, axial clamp force, bolt diameter calculator. Bolt target torque asme pcc1 boiler and pressure vessel. Online recommended bolt torque calculator based on uts and.
It equals the contact force between the clamped plates. Common bolt torque values can be looked up, but finding an accurate reference isnt always easy. 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. Bolt torque calculator software free download bolt torque.
The torque calculator can also work in reverse, finding the force or lever arm if torque is given. In this guideline the torque required it is defined by the following expression. They are of two types, metric flange bolts and metric hex bolts. Indicated torque y is what your torque wrench should read to achieve the desired applied torque. Say you have a 8 inch wrench and figure you are applying 4 pounds of force on the wrench centered at 6 inches from the center of the nut. 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. Use the norbar torque wrench extension calculator app to find what value you should set into the wrench to achieve the required fastener torque. Hytorc bolting software flange bolt torque calculator. Valve torque calculator for ios free download and software. If an input is given then it can easily show the result for the given number. You can read more about the equations used and the unit conversions below the tool.
Welcome to this interactive flange bolting calculator from hytorc. 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. Unit conversion to assist international measurement definitions. The torque calculator lets you easily convert between different units of torque. Bolt load calculation software hydratight introduces informate. Every kws screw conveyor is designed to this criteria with a minimum safety factor of 5 to 1. The torque calculator an online tool which shows torque for the given input. The big problem is that the load on the gasket cannot be measured directly and easily during installation. Bolt tightening 2 bolt tightening 21 various tightening methods various tightening methods 34 22 screw and torque relation formula between screw and torque 35 23 torque coefficient 1 formula of torque coefficient 36 2 the torque coefficient is not stable 36 3 even when the torque is stable, axial tension may vary 36. Store service applications support search search contact us.
Calculating max torque for bolt mechanical engineering. Norbar has devised easytouse online calculators that support the correct application of torque in three key areas. 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. Torque tension to identify precise levels of torque to be applied for individual applications. The length of the torque wrench in this example is 18. The bolted joint analysis calculator allows for stress analysis of a bolted joint, accounting for preload, applied axial load, and applied shear load. Modern fugitive emissions standards require a different approach to sealing valves with packed stuffing boxes. See the instructions within the documentation for more details on performing this analysis. If no reference mark is present on the torque wrench, mark the center of the handle area for measurement. Fill, sign and download bolt torque chart online on. Resources to help you determine the right solution for your application. A prevailing torque is required just to rotate the nut on the bolt. 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.
In inch units, torque is usually measured as lbft pounds feet or lbin pounds inch. 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. The generated torque is the torque that should be applied to the gland nuts. Informates bolt load values are independently verified to ensure leakfree joints, every time.
These torque and load values are for guidance only. This calculator is based on the vdi 2230 guideline. Insert screw characteristics and calculate torque and the tool 3d model will be showed. This online metric bolt torque calculator is used to find the torque of the ecoguard, lubricated and dry metric bolts. The nuts and bolts of specifying fastener torque machine.
Calculate tightening torque, preload and surface pressure for hex head, socket head and countersunk screws. The calculator is generic an can used for imperial and metric units as long as the use of units are consistent. Free torque euipment, calibration services download resources. Hytorc proprietary bolting software and flange bolt torque calculator, flange calculator, flange. Torksense torque tightening by nut factor method, torksensedemo. 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. Norbar torque calculator, iphone, android and blackberry. 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. 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. Torque calculations are based on the simplified formula explained in the current version of. The converters are divided into topic areas to enable the most efficient selection possible. Even experienced tradesmen over or under torque bolts.
If you want to learn more about the concept of force and newtons second law, try the acceleration calculator. Quality checklist, torque guide, a325490 torquetension specs, stud bolt to nut chart, squarehex drive working torque. 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. Bolt torque calculator software trades math calculator v. 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 above calculators can not be copied or reproduced without written. In my case the bolt i have used has got 550mpa min yield strength section ii, part d, thus according to 12. Unit conversion to assist international measurement definitions torque extension for setting correct values. Byjus torque calculator is a tool which makes calculations very simple and interesting. Truthfully, product information rarely supplies torque 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. How to calculate the tightening torque of bolt quora.
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. Torque wrench adapter extension indicated torque calculator. Determine desired torque applied to fastener or whatever, this is equal to t. Customized head shapes, hole chamfers, reduced shanks and materials are available options. Bolt science providing solutions to bolting problems. It is a function of the materials frictional characteristics, which are based on surface finish, coatings and so on. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. Use to determine torque, bolt load and percent yield of maximum load of bolts. Optimizing a bolted joint through clamped length nord.
There are several grades under astm a193 namely b7, b8 class 1, b8m class 1, b8 class 2, b8m class 2. In many scenarios, torque settings are determined by the bolt diameter alone. Look up the optimal torque for various combinations of bolt diameter, thread type, and grade or class. Bolt group shear and torsion in fastened members excel spreadsheet calculator note. Torque is related to angular momentum, angular acceleration, and angular velocity in the following way. Futek bolt torque calculator bolt torque calculators. Calculate tightening torque, preload and surface pressure for hex head and socket head screws. This is the maximum torque that can be applied to the bolt without stripping the internal threads, using a safety factor of 1. How to adjust torque values when using torque adapters.
The above calculators can not be copied or reproduced without written permission from futek advanced sensor technology, inc. The torque converter calculator will allow you to convert nm to lbft or lbin or viceversa. Magtrol will often list units using the short form such as pound foot lbft which can also be written as poundforce foot lbfft. Boltup is hydratights simple to use web based calculator, built upon the informate calculation engine, providing reliable, repeatable bolt loads. Here is the bolt torque chart for the astm a193 b7 grade bolts. Copyright 19982016 futek advanced sensor technology, inc. The tightening torque equals the total torque applied minus the prevailing torque. Ez calc bolting calculator, enerteqs oline tool for estimating required torque values. Online converters and calculators for fasteners bossard group. The program computes recommended torque values, bolting patterns, tool selection and pump pressure settings for standard asme b16.
1302 552 1356 506 481 888 1549 1200 1558 419 184 1081 97 1565 1308 1552 1364 117 982 680 1547 154 988 570 209 177 1266 279 435 610 1251 596 1025 1158 115