So you're attempting to find out more about different types of tools and you've recently find out about torque wrenches and are enthusiastic about researching the various types?
You've come to the best place!
As you probably know if you are reading this informative article, a torque wrench is a form of wrench designed to utilize torque (force around an axis) to a bolt or nut. Torque wrenches are distinguished from other kinds of wrenches because they are able to measure and/or control the total amount of force that's applied allowing the appropriate amount to be used and ensuring that the bolt or nut is neither too loose nor too tight.
Let's start with the most simple designs and work out way up.
A straightforward torque wrench is generally only a long wrench having an analog needle on it. When the wrench tightens a bolt, the needle will move and point out the worthiness representing the total amount of force being used (for example, 50 pounds of force). These will occasionally must be calibrated, and because the needle is frequently exposed it could be bent or moved accidentally and no more point out the proper value.
Additionally, there are electronic torque wrenches that work basically exactly the same, except instead of an analog gauge they've a digital display. The bonus to that is that it may be easier to read because the worthiness is shown in numbers along with being easier to read with less light (assuming it is bright or runs on the backlit display) such as for instance if you're working behind a huge little bit of machinery that's blocking the light.
There are torque wrenches that can be set to a particular level of force that'll stop applying force once that level is reached to simply help prevent over-tightening. With this kind you don't have to concentrate just as much on the gauge because it'll stop tightening at the proper force.
Hydraulic torque wrenches use hydraulics to tighten or loosen an enthusiast or bolt synchronous lifting system. This kind of wrench runs on the predetermined number of torque and can operate more quietly than similar pneumatic wrenches, and of course many people feel hydraulic wrenches certainly are a better choice due to the precise nature involved in tightening bolts.