In our master's thesis, we addressed the control of cracks in post-welded transformations of high-strength steel in the wheel carrier assembly. Due to demanding material properties, high-strength steels are subjected to significant stresses during forming, where resulting residual stresses can lead to the occurrence of initial cracks in the final product. For crack control, we utilized an existing inspection system based on robotic 3D laser surface scanning, primarily employed for weld joint verification. In the master's work, we identified potential critical crack initiation areas on the formed components and based on this, designed a test setup enabling the capture of 3D images. Through the results of the captured measurements, we demonstrated that with the existing inspection system, we can reliably detect cracks down to a size of 1.5 x 0.5 mm.
|
