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Posts Tagged 'torque wrench selection'

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The ten things you should know about your torque wrench

Torque wrenches are common place across a variety of industrial processes, commercial garages and even homes wherever there is a precision assembly process utilising threaded fasteners. Considering their widespread use however, there remains a number of things that people get wrong or simply don’t know.  Here Philip Brodey at Norbar Torque Tools highlights the top ten things to consider.    1.      Storing your torque wrench When a torque wrench is in regular use it does not need to be wound back. However, when storing a torque wrench for an extended period of time, users should always wind it down to the minimum scale setting and never to zero.   A fully loaded torque wrench, left in storage for a long period, can cause a ‘set’ in the spring, causing it to weaken over time. On the other end of the scale, by completely off-loading the spring, other components within the wrench may move fractionally relative to each other. When you re ...

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The selection and use of torque wrenches

One of the more frequently asked questions from our customers is “how do I select the correct torque wrench for application?” Generally, most torque wrenches are used for tightening nuts and bolts accurately. Nuts and bolts need varying degrees of accuracy depending on the materials being fastened together, and therefore, there are different wrenches for different applications. The two main reasons why we use torque wrenches are to achieve the correct level of tightness and then to ensure consistency across all of the bolts in the assembly. Used properly, a torque wrench will ensure that all bolts have the same level of torque applied. The effect of badly tightened bolts can be seen in lost time and money. It’s also worth noting that careless torque can cost lives. The most common torque wrench is called a click wrench. This wrench is used to tighten bolts and nuts and will indicate when a pre-set torque has been reached. The pre-set value can be set by the user, or by a quality control ...

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