1)VPPA变极性等离子弧焊接
2)variable polarity plasma arc welding变极性等离子弧焊
1.Varived damp phenomena of commutation progress in variable polarity plasma arc welding;变极性等离子弧焊换向过程的变阻尼现象
2.Progress in variable polarity plasma arc welding;变极性等离子弧焊研究进展
3.Phenomenon of arc resonance current is studied by experiments during commutation in variable polarity plasma arc welding.通过试验证实了变极性等离子弧焊换向过程中存在电弧电流谐振现象,且不同极性的电流谐振峰值不同,依据电弧理论分析发现换向期间等效电弧电阻是一个时变量。
英文短句/例句
1.Study on the Technologies of Variable Polarity Plasma Arc (VPPA) and Activating Flux TIG (A-TIG) for Magnesium Alloy Welding;镁合金变极性等离子弧焊及活性化焊接研究
2.Research on High-power Variable Polarity Plasma Arc Welding Power Supply System;大功率变极性等离子弧焊电源系统的研究
3.Simulation on VPPA Welding of Aluminum Alloy Plate and Residual Stress Predicting铝合金平板变极性等离子弧焊数值模拟与残余应力预测
4.Investigation of VPPA Welding Processing for 2219 Aluminum Alloy2219铝合金变极性等离子弧穿孔焊接工艺研究
5.The Equipment of Negative Polarity Weak Plasma Arc Overlaying Welding and the Researching of Arc Character反极性弱等离子弧堆焊设备及电弧特性研究
6.Character analysis of negative polarity weak plasma arc overlaying welding反极性弱等离子弧堆焊基本特性的分析
7.The Study on Negative Polarity Weak Plasma Arc Dissimilar Material Surfacinf Welding反极性弱等离子弧异种材质堆焊的研究
8.Microstructures and Properties of Aluminum Alloy Cladding Deposited by Variable Polarity Plasma Arc Overlaying变极性等离子弧铝合金熔覆层组织和性能
9.Behavior Analysis of Low Power YAG Laser-Gas Metal Arc Welding Hybrid Welding Arc Plasma低功率YAG激光-熔化极气体弧焊复合焊接电弧等离子体行为研究
10.This report describes the structure and the main behavior of a surfacing torch with reverse polarity soft plasma arc and uses alloy powder.本文介绍了反极性弱等离子弧粉末堆焊枪的结构及其主要特征。
11.Analysis of different welding conditions on variable polarity plasma arc pressure变极性等离子电弧压力的影响因素分析
12.Research on Soft-switching Mode Power Supply of Arc-welding and Air-plasma-cutting;逆变式直流弧焊及等离子切割电源的研究
13.Analysis on power loss of plasma arc in keyhole plasma arc welding小孔等离子弧焊的等离子弧功率损失分析
14.Research on electromagnetic compatibility of plasma arc welding process control system等离子弧焊过程控制系统的电磁兼容性研究
15.Microstructures and properties of 7A52 aluminum alloy welded joint by vapor plasma arc welding7A52铝合金水蒸气等离子弧焊接头组织及性能
16.VPPA Adding Welding Process, Microstructures and Properties Analysis of AZ31B Magnesium Alloy Thick PlateAZ31B镁合金厚板变极性等离子加丝焊接工艺及接头组织性能研究
17.Effect of Parameters and Temperature Distribution on Microstructure and Mechanical Properties of Welded Joint during PAW of SiCp/6061Al;工艺参数及温度场分布对SiCp/6061Al等离子弧焊焊缝组织及性能的影响
18.Effect of Metal Alloying Filler on Microstructure and Mechanical Properties of Welded Joint during PAW of SiCp/6061Al;合金化填充材料对SiC_p/6061Al等离子弧焊焊缝组织及性能的影响
相关短句/例句
variable polarity plasma arc welding变极性等离子弧焊
1.Varived damp phenomena of commutation progress in variable polarity plasma arc welding;变极性等离子弧焊换向过程的变阻尼现象
2.Progress in variable polarity plasma arc welding;变极性等离子弧焊研究进展
3.Phenomenon of arc resonance current is studied by experiments during commutation in variable polarity plasma arc welding.通过试验证实了变极性等离子弧焊换向过程中存在电弧电流谐振现象,且不同极性的电流谐振峰值不同,依据电弧理论分析发现换向期间等效电弧电阻是一个时变量。
3)Variable polarity vertical-up plasma arc welding变极性等离子弧立焊
4)VPPAW变极性等离子弧焊
1.Development of VPPAW equipment with different current passage;具有不同通道变极性等离子弧焊设备研制
2.A novel variable polarity plasma arc welding (VPPAW) power supply is introduced in this paper.介绍了所研制的具有自调整换向功能的大功率变极性等离子弧焊接电源。
3.The principle of th e main circuit for variable polarity plasma arc welding(VPPAW)equipment supp lied by two power sources is analyzed in this paper.分析了双电源供电方式的变极性等离子弧焊电源主电路的工作原理,选择IGBT作为主功率开关元件,并对其工作参数及保护电路进行了设计。
5)VPPAW power变极性等离子弧焊电源
6)VPPAW变极性等离子焊接
1.The related issues of the variable polarity plasma arc welding (VPPAW) which has good prospects for the applications in the manufacturing of magnesium alloy components were investigated, and 8 mm AZ31B magnesium alloy plate butt-joint excrement were approached with VPPAW.针对在镁合金结构件生产中有广泛应用前景的变极性等离子焊接方法,开展8 mmAZ31B镁合金板材对接焊研究,利用金相显微镜、X射线衍射仪、万能拉伸试验机和扫描电子显微镜等分析测试手段研究了焊接接头各区域的显微组织、焊缝的相组成、接头的力学性能、断口形貌特征以及接头区的物相成分等,并对焊接接头的耐蚀性机理进行了深入分析。
2.The variable polarity plasma arc welding(VPPAW) was used to weld AZ31B Magnesium alloy,through observation the welding phenomenon,the effect of processing parameters including welding current,welding speed and plasma gas flow on the welding quality was researched.采用变极性等离子焊接方法对AZ31B镁合金进行焊接,通过观察AZ31B镁合金变极性等离子焊接现象,探讨了变极性等离子工艺参数(焊接电流、等离子气流量、焊接速度、送丝速度等)对焊缝成形的影响。
延伸阅读
焊接:等离子弧焊 利用等离子弧作为热源的焊接方法(见图 等离子弧焊(穿孔式) )。气体由电弧加热產生离解﹐在高速通过水冷喷嘴时受到压缩﹐增大能量密度和离解度﹐形成等离子弧。它的稳定性﹑发热量和温度都高於一般电弧﹐因而具有较大的熔透力和焊接速度。形成等离子弧的气体和它周围的保护气体一般用氬。根据各种工件的材料性质﹐也有使用氦或氬氦﹑氬氢等混合气体的。等离子弧有两种工作方式。一种是“非转移弧”﹐电弧在钨极与喷嘴之间燃烧﹐主要用於等离子喷镀或加热非导电材料﹔另一种是“转移弧”﹐电弧由辅助电极高频引弧后﹐电弧燃烧在钨极与工件之间﹐用於焊接。形成焊缝的方式有熔透式和穿孔式两种。前一种形式的等离子弧只熔透母材﹐形成焊接熔池﹐多用於0.8～3毫米厚的板材焊接﹔后一种形式的等离子弧只熔穿板材﹐形成钥匙孔形的熔池﹐多用於 3～12毫米厚的板材焊接。此外﹐还有小电流的微束等离子弧焊﹐特别适合於0.02～1.5毫米的薄板焊接。等离子弧焊接属於高质量焊接方法。焊缝的深/宽比大﹐热影响区窄﹐工件变形小﹐可焊材料种类多。特别是脉衝电流等离子弧焊和熔化极等离子弧焊的发展﹐更扩大了等离子弧焊的使用范围。
