送丝及焊接速度对Q345E窄间隙激光填丝焊缝成形的影响

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送丝及焊接速度对Q345E窄间隙激光填丝焊缝成形的影响
Effect of wire feed speed and welding speed on Q345E narrow gap laser filler wire weld formation
2018年48卷第7期页码：80-84
纸质出版：2018
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李德利. 送丝及焊接速度对Q345E窄间隙激光填丝焊缝成形的影响[J]. 电焊机, 2018,48(7):80-84. DOI：

LI Deli. Effect of wire feed speed and welding speed on Q345E narrow gap laser filler wire weld formation[J]. Eletric Welding Machine2018, 48(7): 80-84. DOI：

通过改变送丝速度、焊接速度进行焊接试验

研究送丝速度以及焊接速度对Q345E低合金钢窄间隙激光填丝打底焊的焊缝成形的影响

并分析不同送丝速度、焊接速度下的焊接接头宏观金相以及熔深和熔宽。通过分析对比

得到比较合适的Q345E窄间隙激光填丝打底焊的送丝速度为5 m/min

焊接速度为0.36 m/min。

In order to study the effect of wire feed speed and welding speed on the forming of Q345E low-alloy steel narrow gap laser wire-bonding welding

the experiment were designed by changing the wire feeding speed and welding speed. According to the test results

the macro-metallurgical status of the welded joint at the welding speed and wire feed speed

the penetration depth and the weld width were analyzed. Through the analysis and comparison

the suitable wire feeding speed of Q345E narrow-gap laser wire-bonding backing welding were obtained

the welding speed was 5 m/min and the welding speed was 0.36 m/min.

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