Mountz, Inc.
www.mountztorque.com
White Paper
Demystifying Torque: What You Should Know About Torque Control & Its Impact on the Bottom Line To many manufacturers, the concept of torque is a mystery. Ask them to describe the physics of torque and you'll likely meet a blank stare. Cracking open a dictionary won't help much either. To the layman the definition reads like a foreign language that owes more to mysticism than science. Despite the confusion, proper control of this mysterious force remains a critical component for quality manufacturing and has a direct impact on the bottom line issues like product quality, reliability and safety. What is Torque? Torque is a “turning” or “twisting” force and differs from tension, which is created by a straight pull. However, we use torque to create a tension. HOW? (Diagram A) As the nut and bolt are tightened, the two plates are clamped together. The thread angle in the bolt converts the force applied into tension (or stretch) in the bolt shank. The amount of the tension created in the bolt is critical. WHY? A bolt tensioned properly works at its optimum efficiency and will resist coming undone. However, if the tension is too low, the nut could vibrate or work loose. If the tension is too high (overstretched), the bolt could break. Ever y bolt has a correct
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