Study: My Understanding of Wrenches

How Does Torque Wrench Works?

It is often uncomfortable to be in a situation when talking to someone and they are talking about something using terms or words that you don’t have any idea about. So just before we start diving into learning what torque wrenches are, let us first start this article by knowing what a torque wrench exactly is.

Torque wrench is basically a type of wrench that is specifically designed to apply specific amount of force otherwise called as torque to a bolt or nut. Whenever non-mechanic individuals heard of torque, they immediately jump to a conclusion that it is the engine’s horsepower. It is true that torque is referring to a rotating force like the wheels of a car but that term can refer to nearly anything in that case and not just the power of engine in your car.

Yet another example of this involves lug nuts that hold the wheels on an automobile. These lug nuts also have a specific amount of torque to which they have to be tightened. In the event that too little amount of force is used, they may come loose while you are driving which can lead to unstable wheel or worse, your wheel may come off. If they are too tight on the other hand, you are running the risk of something cracking that can cause some problems on the wheels. With this in mind, if these nuts have to be applied with specific torque or amount of force, making use of a torque wrench will come into play.

When you are making use the basic type of this wrench, you’ll see a small gauge showing how much force you’re applying. And in case for lug nuts, cars usually need 80 pounds of force, what you have to do is put the wrench on and then tighten it until it shows that you are applying 80 pounds of torque and you are good.
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As a matter of fact, there are many different types of torque wrenches and with the most basic is mentioned above. Normally, it is using a needle in order to indicate the amount of force applied. There are some that have mechanisms which will prevent you from over-tightening through the use of a clutch that disengage automatically when you reach that certain amount of force. For this, it is preventing additional force to be applied.
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Then again, there are electronic wrenches which come with a digital display than an analog gauge. Moreover, there are hydraulic torque wrenches that are available in the market as well which is capable of applying significant amount of force by using hydraulics. This oftentimes is used on bigger pieces of machinery where basic wrenches would not work.