1) deep penetration welding
深熔焊接
1.
Keyhole effects are the essential characteristic in laser deep penetration welding.
激光深熔焊接的本质特征就是存在着小孔效应。
2) penetration
[英][,penɪ'treɪʃn] [美]['pɛnə'treʃən]
焊接熔深
1.
The effect of active flux and arc shrinking in A-TIG welding is studie d through detecting arc voltage with variant welding current in this paper and t he effect of coated amount of active flux on penetration and arc phenomenon in A -TIG welding is also studied with properly experimental method.
研究了SiO2 和TiO2 两种单一成分活性剂对SUS30 4不锈钢材料TIG焊熔深的影响以及活性剂涂敷量对焊接熔深的作用效果。
3) weld penetration depth
焊接熔深
1.
Shielding gas is the crucial reason for the process stability and the efficient synergetic effects between laser welding and CO_2 laser-TIG(tungsten inert gas) hybrid welding,resulting in bigger weld penetration depth.
保护气体组成及其保护方式是决定CO2激光-钨极氩弧焊(TIG)电弧复合焊接工艺稳定性和激光、电弧两种热源能否有效耦合并取得增强的焊接熔深的关键原因。
4) welding penetration
焊接熔深
1.
The development survey of automatic control and its theory of welding penetration at home and abroad is introduced.
本文介绍了国内外关于焊接熔深自动控制及理论的发展概况，内容包括：①光检测控制系统；②焊接温度场自动检测系统；③振动检测控制系统；④声音检测控制系统；⑤电弧电压检测控制方法等，对焊接工作者具有一定的参考价值。
5) deep penetration laser welding
激光深熔焊接
1.
Numerical simulation of temperature field in deep penetration laser welding under hot and press condition;
热压条件下激光深熔焊接温度场的数值模拟
2.
Given special welding technology,theoretical P_c-v curve and P_c-Δf curve of stable deep penetration laser welding are deduced.
在同轴和侧吹保护气体的条件下,通过工艺参数优化,激光深熔焊接可以有效地避免高强度镀锌钢热影响区(HAZ)的软化现象以及焊缝气孔的有效控制。
3.
Under the assumption of cylindrical keyhole, the inverse Bremsstrahlung absorption in the keyhole in deep penetration laser welding of metals was studied by means of tracing a beam light.
在假设小孔为圆柱形的基础上,通过跟踪光线在小孔内的多次反射轨迹,对激光深熔焊接过程中小孔内等离子体的反韧致辐射吸收进行了研究,计算了小孔孔壁上吸收的激光功率密度,分析研究了孔壁的多次反射次数、聚焦透镜的焦距以及小孔直径等因素对孔壁上的激光功率密度分布的影响。
6) laser deep penetration welding
激光深熔焊接
1.
Welding volume energy was introduced to synthetically estimate the influences of welding parameters such as laser power,welding speed,defocusing distance and the dimension of laser focus on the weld penetration in laser deep penetration welding.
定义焊接体能量用来综合评价激光焊接过程中激光功率、焊接速度、离焦量及焦点尺寸等焊接工艺参数对激光深熔焊接过程的影响,并分析了焊接体能量对激光深熔焊缝熔深的影响。
2.
The research status and development of heat source model on laser deep penetration welding were summarized and three kinds of resolution model about heat source were introduced.
综述了激光深熔焊接热源模型的研究现状与进展。
补充资料：星接阻抗和三角接阻抗的变换
星接阻抗和三角接阻抗的变换
transformation between starc-onnected and delta-connected impedances
x ing]一e乙日kongl介e sonJ一00}Iez日伙ongde匕一。一〕huon星接阻抗和三角接阻抗的变换(t ransfor-mation betweenstar一eonneeted and delta-eonneeted imPedanees)接成星形的三个阻抗和接成三角形的三个阻抗互相替代的等效变换。它们之间的关系可用一组变换公式表示。按这组公式，用星接阻抗替换三角接阻抗或者反过来，不会影响稳态下电路其他部分的正弦电压和电流，常用于对称三相电路的分析和计算。 图1为三个阻抗21、Z:、23接成星形(又称丫形)。图2为三个阻抗Z小22。、Zal接成三角形(又称△形)。它们之间的变换公式如下:人23土图1星接阻抗图2三角接阻抗(1)将星形连接变换成三角形连接212一Z:+22+2 122及3一22+za十警(1)、|冬|矛231一23+21+2321(2)将三角形连接变换成星形连接z、-二一典乒兴-) 艺‘2士乙“3十乙31…_2 oqZI，}Z。一下万~一二-二二-汁 乙‘2士乙23十乙3‘1_Z。IZoq}艺q一二二一~二，二二--，-二二-~J 乙12十乙23十艺32夕(2) 当三个星接阻抗相等，即21一Z:一23一z丫、三个三角接阻抗相等即212一223一231一Z△时，变换公式是 Z二一32丫，Z丫一Z△/3
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条