According to the related chaos theory and the related chaotic movement characteristics in dripping faucet, a establishing chaotic model can reflect better in essence the metal transfer is put forward. 通过叙述相关的混沌基本概念,以及结合滴水龙头混沌的相关运动规律,提出建立弧焊混沌数学模型在本质上能更真实地反映熔滴过渡过程。
This paper mainly introduces the different arc shapes, metal transfer modes, compositions of arc and temperature distribution in plasma-GMAW with different electrode connection forms at present; 主要介绍了目前等离子&熔化极气体保护焊在采用不同的电极连接形式下,不同的电弧形态和熔滴过渡方式,以及电弧成分组成和温度分布;
A lot of spectrum of the metal transfer mode of metal gas are welding have been acquired in characteristic spectrum by testing. 通过试验在特征谱线下,采集了大量熔化极气体保护焊五种熔滴过渡的光谱信号波形。
The wave and high-speed photograph analysis are main experimental methods used to investigate metal transfer in MIG/ MAG welding. The high-speed photograph analysis has been widely applied because of its directness and availability. 研究熔化极气体保护焊(MIG/MAG)熔滴过渡的实验手段主要有示波法和高速摄影法2种,高速摄影法直接有效,已被研究工作者广泛采用。
Metal transfer frequency are usually taken as the criteria to evaluate the process stability of short-circuiting arc welding. 短路过渡焊接时,熔滴过渡频率通常被作为评价焊接过程稳定性及焊接质量的重要指标。
Characteristics of metal transfer for alkaline electrode 碱性焊条熔滴过渡特性的研究
The core span of twin electrode, the current of. electric arc and gravity coefficient of coating affect sleeve shape and then metal transfer behavior. 双电极钛钙型碳钢焊条两芯间距、电弧电流及药皮重量系数的变化引起套筒形状发生相应变化,进而对熔滴的过渡行为产生影响。
Analysis of Metal Transfer and Usability of High Cellulose Electrode 高纤维素型焊条熔滴过渡形态和工艺性分析
Considering the main characteristics of metal transfer in GMAW, a mathematical model for metal transfer is developed based on the "mass-spring" theory. Dynamic analysis of metal transfer in GMAW process is conducted. 考虑GMAW焊接过程中熔滴过渡的主要特点,利用质量-弹簧理论建立了熔滴过渡的数学模型,对连续电流条件下GMAW焊接熔滴过渡过程进行了动态力学分析。
Study of Metal Transfer Feature of Flux-cored Wire and Its Affecting Factors 药芯焊丝熔滴过渡特性及其影响因素研究
Influence of calcite and fluorite on metal transfer and inclusion in stainless steel electrode 大理石、萤石对不锈钢焊条熔滴过渡及熔滴中夹杂物的影响
In this paper various metal transfer modes in the pulse MIG welding with steel electrode are studied by means of high speed cine camera and oscillograph. 本文利用高速摄影机和示波器研究了钢焊丝熔化极脉冲焊的各种熔滴过渡形式,试验是在平焊和仰焊位置进行的。
The fundamental conception of metal transfer theory of gas-shielded flux-cored wire was presented, the factors influencing metal transfer of flux-cored wire were discussed, and the theory of controlling welding splash and the pore was studied. 介绍了气保护药芯焊丝熔滴过渡理论的基本概念,探讨了药芯焊丝熔滴过渡的影响因素,研究了药芯焊丝焊接飞溅和焊缝中气孔(压坑)控制机理。
The relation between the arc luminous core shapes and the metal transfer modes of the pulse MIG welding are also studied and discussed. 文中还对熔化极脉冲焊的电弧形态与熔滴过渡形式的关系进行了研究和讨论。
Study on Metal Transfer of CO_ 2 Welding CO2焊熔滴过渡特征的分析和研究
The stabilization of metal transfer in the range of high continuous current is solved, and the high deposition rates MAG process without helium in shielding-gas mixture is realized. 解决了连续大电流区间熔滴过渡稳定性问题,实现了无氟混合气体保护的高熔敷率MAG焊工艺。
The results indicated that TiC was deposited to form transition zone between multiphase ceramic layer and metal transfer layer; Better wetting ability between TiC and Fe, Al_2O_3 had metal transfer layer and multiphase ceramic layer bonded well to get a metallurgy bonding; 试验结果表明,在金属过渡层与陶瓷层接合界面处大量富积TiC相,TiC与Fe基金属和Al2O3层具有良好的润湿性,促进了金属过渡层与陶瓷层之间形成冶金结合;
This paper introduces the relationship of Metal transfer and window spectrum, developes a pulsed welding machine controlled by window spectrum, and also presents the theory of the control and the effect of actual control. 介绍了熔滴过渡与窗口光谱的对应关系,利用这一关系研制出了窗口光谱信息控制熔滴过渡的脉冲焊机,并给出了控制原理和实际控制效果。
High current MAG welding is an effective method to improve productivity. High-speed vidicon is used to study the effect of arc shapes and metal transfer on weld profiles. 采用高速摄像法对大电流MAG焊的电弧形态、熔滴过渡形式对焊缝成形的影响进行了研究。
It is showed that cold metal transfer welding is a new method and it has a wide promising application. 冷金属过渡焊接是一种比较新的焊接方法,具有广阔的应用前景。
Usability-stability is all a pivotal problem of development of stainless steel covered electrode. In several influence factors of usability-stability stainless steel covered electrode, Metal transfer form is a crucial factor. 工艺稳定性差一直是制约不锈钢焊条发展的一个突出问题,在影响不锈钢焊条工艺稳定性的若干因素中,熔滴过渡形态是一个决定性的因素。
Based on SiO_2-TiO_2-MgO-FeO slag system, a great deal of operative performance experiments for high cellulose covered electrode were carried out. The feature of metal transfer of the electrode was revealed. 针对高纤维素焊条的工艺性,进行了大量的试验研究。确定了基于SiO2-TiO2-MgO-FeO渣系焊条配方,揭示出高纤维素焊条的熔滴过渡形态特征。
Welding-brazing experiment of aluminum and galvanized steel was conducted with cold metal transfer method. 采用冷金属过渡方法(CMT)对铝和镀锌钢板异种材料进行了熔钎焊连接。
Cold metal transfer welding technology has many characteristics which are different from other welding heat source for its unique energy transfer and conversion mechanism, and has unique advantage in the field of dissimilar materials welding. 冷金属过渡焊接技术独特的能量传递和转换机制赋予其有别于其它焊接热源的许多特点,在异种材料的焊接领域中具有独特的优势。
The mainly effects of arc forces is to promote metal transfer and reduce the critical current of spray transfer. 其主要作用为促进熔滴过渡,降低喷射过渡临界电流值。
This model is used to study the electrode melting phenomena and the determination of wire-feed-speed ( WFS), and the roles of shielding gas compositions in arc plasma and metal transfer. 利用该二维模型研究了焊丝的熔化现象和合理送丝速度的确定,以及保护气体成分对等离子电弧特性和金属过渡的影响。
The underwater hyperbaric environment has important impact on the welding arc and metal transfer behavior. 而水下高压环境对焊接电弧及熔滴过渡行为将产生重要影响。
By the feature of extremely stable arc, low heat input and spatter-free, CMT ( Cold Metal Transfer) welding process mainly used in welding sheet metal or super thin plate, dissimilar metal welding, overlay welding and so on. CMT(coldmetaltransfer)焊接工艺因其利用其极稳定的电弧、极低的热输入量来实现无飞溅焊接的特点,现主要用于焊接薄板或超薄板、异种金属焊接和堆焊等方面。
The high-speed camera is used to observe and investigate the welding arc profile and the metal transfer behavior during welding. 焊接过程中采用高速摄像机对焊接电弧形态和熔滴过渡行为进行了观察与研究。
The metal transfer frequency increases with the increase of the welding current. 随焊接电流的增加,熔滴的过渡频率也增加。