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超厚多面体铸钢节点焊接技术研究与应用
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作者 刘欢云 杨高阳 +2 位作者 黄世涛 李荣清 郭继亮 《焊接技术》 2022年第4期48-51,共4页
针对超厚板多棱角异形铸钢节点,采用带直拐角的200 mm厚铸钢件1∶1模拟焊接试验,通过无损检测、力学试验及金相试验,验证了连续焊缝成形工艺的可靠性。根据铸钢节点结构特点,制订了合理的焊接顺序,选派4名焊工对称焊接。开发了拐角处的... 针对超厚板多棱角异形铸钢节点,采用带直拐角的200 mm厚铸钢件1∶1模拟焊接试验,通过无损检测、力学试验及金相试验,验证了连续焊缝成形工艺的可靠性。根据铸钢节点结构特点,制订了合理的焊接顺序,选派4名焊工对称焊接。开发了拐角处的运弧手法和对工程质量有利的一系列焊接工艺参数,取得了八边形多棱角200 mm厚铸钢件的焊接创新技术,解决了200 mm厚铸钢件焊接质量难以保证的问题。 展开更多
关键词 多面体铸钢节点 连续焊缝成形 拐角运弧手法 焊接工艺参数
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铝镁合金管型母线环缝对接工艺的探讨
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作者 梁金土 《福建电力与电工》 2004年第3期31-32,61,共3页
分析了500 kV晋江变电站6063铝镁合金管型母线环缝对接试件无损探伤曾3次不合格的原因,提出了具体的改进工艺措施,并阐述了施焊中应注意的若干问题,取得了预期效果。
关键词 铝镁合金管型母线 温度 垫板 运弧 焊接顺序
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Kinematic Study on Motoman HP6 Arc Welding Robot Based on Unigraphics
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作者 冯胜强 胡绳荪 申俊琦 《Transactions of Tianjin University》 EI CAS 2011年第3期199-202,共4页
The links of Motoman HP6 arc welding robot are considered as an open kinematic chain which consists of a series of rotational joints through concatenation. One end of the open chain is fixed to the base or the earth, ... The links of Motoman HP6 arc welding robot are considered as an open kinematic chain which consists of a series of rotational joints through concatenation. One end of the open chain is fixed to the base or the earth, and the other end which is free fastens the end executor to complete various duties. Each link of this arc welding robot has four kinds of Denavit-Hartenberg parameters: common normal length between two adjacent links, angle of two adjacent joints, distance between the crossing of common normal length and two joints axes, and angle of two adjacent links. The displacement relation between each link of the Motoman HP6 arc welding robot is introduced, and the kinematic positive-going solution and the kinematic passive-going solution are calculated. 展开更多
关键词 arc welding robot link Denavit-Hartenberg parameter kinematic positive-going solution kinematicpassive-going solution off-line programming
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