At present, many FSC racing cars still use truss steel pipe frame. The welding positioning and accuracy of steel pipe frame has always been a difficult problem to be solved by each team. In view of this phenomenon, this paper designs an aluminum profile frame, and designs some general fixtures to improve the local welding accuracy and accuracy. This can save a lot of production time and cost, and greatly improve the production efficiency of weld products. At the same time, a strain sensor is designed at the welding part, and the safety and strain of the welding point of the frame are monitored by using signal processing and signal analysis technology, so as to evaluate and display the overall vehicle condition.
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