How Does Torque Wrench Works?
It usually puts anyone in an uncomfortable situation simply by talking to someone and using terms or words which you don’t have any idea of what it means. 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.
Basically, torque wrench is a type of wrench that’s designed to be able to apply specific amount of force or otherwise referred to as torque to a bolt or nut. People often think of the engine’s horsepower when average individuals have heard of the word torque. Well, torque does refer to rotating force like wheels of a car but that term can refer also to nearly anything and not just the power of your car’s engine.
Another common example for this involves lug nuts that hold the wheels on an automobile. These lug nuts have a specific amount of torque in which they must 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. On the other hand, if you over tight it, you’re running the risk that something may crack which can cause problems on the wheels. For this reason, making use of a torque wrench should be considered if ever these nuts have to be applied with specific torque or amount of force.
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 of your lug nuts, cars often need 80 pounds of force, what you should 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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There are many types of torque wrenches and with the most basic being what mentioned above. Normally, to be able to indicate the amount of force applied, it is using a needle. There are also some that have mechanisms preventing you from over-tightening, which has a clutch that automatically disengage 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. Oftentimes, this type of wrench is used on bigger pieces of machinery where basic wrenches would not work.