Influence of process parameters on the impact property of the welding head of the CO<sub>2</sub> gas protection welding

LI Chengsi

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Influence of process parameters on the impact property of the welding head of the CO₂ gas protection welding
Vol. 48, Issue 9, Pages: 94-97(2018)
Published：2018
DOI：
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DOI：

LI Chengsi. Influence of process parameters on the impact property of the welding head of the CO₂ gas protection welding[J]. Eletric Welding Machine2018, 48(9): 94-97. DOI：

摘要

选择合适的焊接工艺参数是提高焊接质量和生产效率的关键。对此在CO2气体保护焊工艺中采用控制变量法进行试验

查看单一焊接参数对焊接接头冲击性能的影响。选用力学性能与化学成分均满足船级社规范要求的焊丝

采用对焊接接头冲击性能影响比较明显的立向上对接焊位置

通过分别单独调整层间温度、气体流量、焊接电流、焊层数与焊道数等焊接参数进行试验。对焊缝分别进行冲击试验

分析试验数据与结果

得出了提高焊缝的冲击性能的有效方法

同时也探究了不同参数对焊缝性能的影响

为相关工程人员在生产中选择理想冲击性能的焊接参数提供了试验参考和理论依据。

Abstract

Choose the appropriate welding procedure parameters is the key to improve the welding quality and production efficiency. In the case of CO

gas protection welding process

control variable method is used to test the impact of a single welding parameter on the impact performance of welding joints. The welding wire with mechanical properties and chemical composition that meet the requ-irements of the classification society is selected. The vertical and upward butt welding position which has a significant impact on the impact performance of the welded joint is adopted. The welding parameters such as temperature

gas flow

welding current

number of welding layers and number of welding passes are separately adjusted for testing. The impact tests are carried out on the welding seams

and the test data and results are analyzed to obtain an effective method to improve the impact performance of the welding seams. The influences of different parameters on the welding performance are also explored

providing experimental reference and theoretical basis for relevant engineers to select welding parameters with ideal impact performance in production.