Pipeline inner loop welder is applicable for big-caliber pipeline welding in construction procedure to joint the ends of pipes and fulfill roots welding.

管道全位置自动内焊机适用于大口径管道焊接施工过程中组对管口、完成根焊。

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This paper proposes a procedure for artificial neural network (ANN) in spot welding, and establishes spot welding parameter selecting ANN systems and spot welding joint quality predicting ANN systems.

将人工神经网络技术(ANN)引入点焊领域，建立了点焊工艺参数选择ann系统和点焊接头质量预测ann系统。

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The joint design, welding procedure and mechanical properties of the joint are studied for resistence welding of thin tubular T connection.

研究了薄壁管T型接头的电阻焊焊件的接触形式，焊接规范及接头的机械性能等。

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