TypingTest.com-Complete a Typing Test in 60 Seconds! Welcome to the #1 typing speed test with over 4 million tests completed every month! Check your true typing speed, accuracy and skill level in just 60 seconds.
Breakaway torque is the rotating force required to break the head loose, going in the same direction as applied-tightening. This will usually give a value HIGHER than the original tightening torque because dynamic (when the bolt was tightened) is lower than static (when you try to break loose the bolt head). This is how it is defined by torque testing standards. If the breakaway is measured in reverse (loosening), you will usually get even higher readings because the bolt head generally digs in and forms small burrs and indents THAT ARE DIRECTIONAL-like a ratchet. It is incorrect to check breakaway by loosening.
Apply torque to a bolt head only when a torque wrench cannot be used on the nut. After application of torque to a nut, further tightening to align the slot for cotter pin or lockwire is permitted. a. Torque Definitions. Torque definitions are explained In the following paragraphs. (1) Breakaway torque Breakaway torque (table 2-8) is defined as minimum torque required to start the movement of a nut on or off bolt with no axial load on the nut and with the bolt completely through the nut. (2) Friction torque (tare, drag, run on).