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Design of a welded go-cart frame
Kůřil, Michal ; Izák, Josef (referee) ; Kubíček, Jaroslav (advisor)
The work is focused on the design of a welded go-kart frame. The frame is welded from 32 mm tubes and 2 mm wall thickness. The material 25CrMo4 was chosen as it is widely used for frame structures in motorsport. The CNC CO2 laser was chosen to cut the tubes. Universal welding jigs were chosen due to the single piece production. Furthermore, metallographic tests of three samples were performed. Two were TIG welded, and one was MAG welded. There was chosen an austenitic filling material, which has good tenacity, and it is assumed to provide long lifespan while being mechanically loaded. Also, the Vickers hardness test was done.

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