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Buying the right detent and damping hinges | How do torque hinges work?


Torque hinges or detent hinges are highly effective mechanisms that carry out the job of dual pieces of equipment. Basically, these work as a hanging device for keeping the hatch or the door open, if there is detent hinge. On the other hand, a damped hinge would help to control the movement of the door or hatch. If you have question on how do the torque hinges work, then read on further to get things clear.

 

 
Basic Mechanism

A torque hinge offers resistance to the pivoting motion. The extent of the resistance is what is going to help in achieving the desired functionality. This resistance can be limited to an extent for providing safety of aesthetics or arresting the movement to the level that the pivoting objects are kept motionless in a particular position. A laptop screen hinge is an example of this type of a hinge.


Various considerations
There are various challenges that are present in the manufacturing of such hinges. Friction occurs when ever two surfaces come in contact. That is why a rusty iron hinge can be quite effective but it may become wiggled fast. 

It is the most desirable to have a hinge with the degree of resistance to the movement that is controllable and consistent during a long duty cycle.

The use of a second material is helpful when the coefficient of friction to be attained has to be low. Moreover, there should be a mechanism for maintaining a consistent pressure within the joint.
 

Torque calculation and application

Installation of a torque friction requires a selection considering the weight of the panel or the door. Apart from that, the length of the door from the point of the pivot is also taken into account. Torque is generally measured in kgf/cm.

Thus, if the panel is 5 cm wide and weighs 1Kg, a torque hinge rated 50kgf/cm is required to keep it stable and motionless. The torque of the hinge can be smaller if just a damping of the motion is needed. 
 

One can also use hinges in multiples. If two hinges of 50kgf/cm are used, then these would produce an added torque of up to 100kgf/cm. Hinges within the torque values between 5kgf/cm to 58kgf/cm can be used in multiples or singly as per the requirement.
 
So, knowing how do torque hinges work helps you to understand the working of detent or damping hinges that would help or damp the motion of panels or the doors where these are applied.





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