Method and system for measuring residual stresses
A residual stress and measurement method technology, applied in the direction of measuring devices, instruments, and mechanical devices, can solve the problems of cumbersome and complicated measurement process and low measurement efficiency, and achieve the effect of improving measurement efficiency and simplifying the measurement process
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[0059] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following detailed description will be given in conjunction with the accompanying drawings and specific embodiments.
[0060] First of all, it is necessary to explain the residual stress measurement method and measurement system provided by the embodiments of the present invention, which are suitable for measuring the residual stress in a certain area of a substrate such as elbows, metal plates, metal structural supports, and stressed boxes.
[0061] like figure 2 As shown, an embodiment of the present invention provides a method for measuring residual stress, including the following steps:
[0062] Step 201: After spraying the speckle on the surface of the area to be measured, acquire a first speckle image of the area to be measured.
[0063] Step 202 , after punching holes on the surface of the area to be measured, acqui...
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