發(fā)動(dòng)機(jī)小尺寸燃油管焊接工藝優(yōu)化研究

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Abstract：To solve the issues of low welding efficiencyandunstable weld qualityin manual welding of smal-sized fuel pipesfor engines，research onoptimizing the process parameters of robotarc welding technology for smallsized fuel pipes is conducted. Based on the Design of Experiments （DOE）method，experiments were conducted on the process parameters of arc welding to obtain the optimal process parameters.The optimal solution was a welding speed of 4 2 c m / m i n ，wire feeding speed of ，corrected arc length of - 2 m m ，and initial welding current of 120A.The research results in the paper has certain guiding significance for the production and manufacturing of small-sized fuel pipes.

Keywords： fuel pipes;robot welding;DOE design;welding parameters

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油管是液壓缸關(guān)鍵零部件，其焊縫質(zhì)量至關(guān)重要。（剩余2236字）