The shrapnel is characterized by being easily bent in only one direction, the minimum stiffness plane, and having a large tensile stiffness and bending stiffness in the other direction. Therefore, the leaf spring is very suitable for use as a sensitive component in a test instrument or an automatic device, an elastic support, a positioning device, a flexible connection, and the like.
Depending on the characteristics of the material used in the actuation mechanism of different environments, the spring piece is widely used in various types of contact devices, and the most used is the straight cantilever type piece spring with the simplest shape. The contact piece must have a small electrical resistance and is therefore made of bronze.
The function of the measuring piece spring is to change the force or displacement. If the fixed structure and the supporting method can ensure that the working length of the spring is constant, the stiffness of the leaf spring is constant in a small deformation range, and if necessary, nonlinear characteristics can also be obtained, for example, the spring is pressed down on the limiting plate or the adjusting screw. , change its working length.