Optimization of Swing Process Parameters for Arc Additive Manufacturing of Multi-Directions Steel Node
Based on the quadratic regression general rotating design experiment method,the swing process parameters of arc ad-ditive manufacturing for multi-directional steel nodes are optimized.The 3D response model between the swing process parameters wire feeding speed,welding gun moving speed,unilateral swing amplitude and the width and height of the deposited metal metal was established,and the reliability of the model was verified and analysised.The influence of the interaction between a single swing process parameter and a swing process parameter on the width and height of the deposited metal is studied.The established 3D response model was used to optimize the arc additive manufacturing swing process parameters of the six-directions steel node,and the six-directions steel node was manufactured by arc additive manufacturing with the optimized swing process parameters.The average size deviation of the manufactured six-directions steel node was±1.30mm,the forming accuracy is high.
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