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How to Calculate Bolt Torque?

Answer

First Zero out the callipers, either by sliding an old-style calliper into the zero position or by pressing the reset button on new electronic versions. Place the callipers over the round non-threaded portion of the screw. Take the measurement, in metric. This is the bolt's major diameter. Then Determine the metal used to make the bolt. Then Hold the metric ruler up to the threaded section of the bolt and measure from the bottom of the bolt to the top of the threads. Write this measurement down in millimetres. This is the thread length measurement. Write down any miscellaneous information you may have about the bolt, such as tensile strength. At last enter these measurements into the bolt torque calculator.
Q&A Related to "How to Calculate Bolt Torque"
Torque can be calculated by equation T=F*r*sin theta) where F= force causing torque, r= length of force vector & theta is angle between them.
http://www.ask.com/web-answers/Consumer_Electronic...
1. Consult your engine's service manual for the correct torque values for the head bolts. The service manual should also specify the correct sequence in which to torque the head bolts
http://www.ehow.com/how_7669325_torque-head-bolts....
If you're looking for a purely mathematical calculation based on the limit of the bolt to withstand rotational shearing force, you would need to determine two things. (1) The total
http://www.quora.com/Mechanical-Engineering/How-ca...
The question is put too simply to answer as put. Basically torque is the ability of a motor to pull a load.
http://wiki.answers.com/Q/What_are_the_factors_in_...
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