How Does a Torque Wrench Work?

A torque wrench is a precision tool which is used to apply a certain tension to screws, nuts, bolts, etc. They are useful in applications where fastening accessories, such as nuts and/or bolts, must have a specific tension.

It is commonly used in equipment for handling low-pressure liquids and gases, internal combustion engines, air conditioning, bridges and large structures, industrial piping, appliance assembly, electrical and electronic equipment, among others.

The market for this tool also offers specialty assembly torque meters for the application of cap screws in electrical or electronic components, in which it is necessary to repeat the operation without losing the accuracy of the torque (torque exerted by force).

Check out our Torque Wrench Buyers Guide where we reviewed the best torque wrenches out in the market right now.

They are also used in heavy industry and automotive where torque multipliers are used which apply high torque pressures in places of tiny dimensions, replacing the lever arms and long keys.

Torque Wrenches

Torque meters are called precision tools because they are precisely designed, manufactured and assembled with the highest quality components.

Types of Torque Meters

There is a wide variety of torque meters on the market. Some kinds of torque meters:

  • Torque Multipliers. They are used to increase, with a predetermined ratio, the value of the torque applied.
  • Multi-torque. Portable torque analyzer that has a data collection system that can be used with dies, extensions, handles, ratchets, or any combination of these.
  • Computer electronic torque meter. It is the most advanced and has multiple applications including precision torques in critical fasteners and quality tests.
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    Front cover torque meter. It is convenient for measuring torque using a dial, allowing quick and precise identification of the torque applied.
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    Thunder torque meter. In this case, the desired torque is determined before applying the operation.
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    Pre-adjusted torque meters. They are designed for use in production lines and assemblies where specific torque is required for repetitive operations.

Recommendations

We suggest you keep in mind the following suggestions when using different types of torque meters:

  • Do not use torque meters with damaged nuts or bolts.
  • Do not hold the torque multiplier or reaction arm in your hand.
  • The torque wrench should be held firmly by the center of the handle.
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    When applying torque, always pull; do not push. You must maintain a stable and comfortable position to prevent a fall or injury.
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    The torque wrench is a very sensitive tool so you should avoid knocks and falls from it.
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    Before using the multiplier, it must be taken into account that it must be supported on a fixed object.
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    Adjust the torque to be applied, according to the manufacturer's manual of the elements to be adjusted.
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    When acquiring a torque meter, take into account the scale of the same (can be imperial, millimeter, etc.).
Summary
How Does a Torque Wrench Work?
Article Name
How Does a Torque Wrench Work?
Description
A torque wrench is a precision tool which is used to apply a certain tension to screws, nuts, bolts, etc. They are useful in applications where fastening accessories...
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Jack Noelsson
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