What do you need to know about torque testing?
Torque testing involves measuring the amount of torque being applied to an object. Two of the more common applications for torque testing are in fastening and in products with rotating parts such as motors, engines or transmissions.
How is breakaway torque determined in an engine?
Running torque is the determination of how much torque is required to keep the part rotating at a constant angular velocity once it starts rotating. To explain breakaway torque in more detail, consider a crankshaft within an engine. How much torque is required to get the crankshaft moving?
What’s the difference between in line and reaction torque testing?
In-line torque testing measures the torque required to turn the rotating part; reaction measures the amount required to prevent the part from rotating. Specialized sensors are available for each approach.
How many bolts does a torque driver tighten?
Assembling a large or complex product can often involve hundreds, thousands or even millions of fasteners, many of which are bolts or screws that are tightened by a torque driver of some sort.
Is there a way to check torque after assembly?
Many users may want to verify residual torque. By checking the torque after assembly, you not only verify adequate torque was delivered to the fastener, but may also detect missed or loose fasteners, or joint relaxation.
What do you need to know about residual torque?
The torque required to return the fastener to its original location is the reference to the original torque applied to the fastener. What is Residual Torque? It is the amount of tension that remains in a joint after fastening a threaded fastener. Many users may want to verify residual torque.
What is torque required to return a fastener to its original location?
The torque required to return the fastener to its original location is the reference to the original torque applied to the fastener. What is Residual Torque? It is the amount of tension that remains in a joint after fastening a threaded fastener.
Which is the best way to measure torque?
In the tightening direction, begin to slowly apply force to the tool until the first movement in the fastener is noted. The reading recorded is a good indication of the original torque applied to the joint. This is the best way to determine residual torque.