This thesis presents the development of the testing device for car’s light housing from the order preparation to the manufacturing and testing. Mechanical design and device testing process, material selection and device manufacturing with all documentation are described. Due to the various shapes of housing, we used different methods to test the tightness and different sealing material. Based on the shape of the housing, we designed a construction, on which we tested our product. After design confirmation, we prepared technical documentation for each assembly part, which we then ordered from our local toolmaker. In the end, we assembled the device and tested it. Some optimization was needed after that to improve the performance of the device. We made forms throughout the whole process, which describe the device manufacturing.
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