Fronius –The Pioneer in Inverter Welding Power Source development

福尼斯-逆变焊接电源开发的先驱者

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Christoph Kammerhuber

克里斯多夫卡玛琥珀

Fronius International GmbH

福尼斯国际有限公司

Welding Division Buxbaumstrasse 2 A –4600 Wels

Content

Physical principles of transistorized Power-Source design and digitalised Welding-Power-Sources

晶体管电源和数字化焊接电源的基本原

Cold Metal Transfer –Process CMT冷金属过渡技

Conclusion

结论

Different basic designs of transistorisedwelding-power-sources

各种晶体管焊接电源的基本设计原理

zAnalogue transistor power-source

模拟晶体管电源

zSecondary transistor-switched power-source

次级晶体管开关电源

zPrimary transistor-switched power-source (Inverter)

初级晶体管开关电源(逆变)

zFully digitalised primary transistor-switched power-source

全数字化逆变电源

zCMT –power-source CMT

Analogue transistorised welding-power- source模拟晶体管电

zA shunt connected transistor cascade fulfils the function of a resistor

晶体管组在回路中的作用相当于负载的串联电

zTransistor cascade generates the welding- current and -voltage, respectively

提供相应的焊接电流电

zLow current ripples and good pulsed-arc characteristics can be obtained

电流波纹小,脉冲电弧特性

zResistance heat must be dissipated by usinga cooling circuit thus poorly efficiency of -and heavy and voluminous power-sourcecan be remarked, and therefore

产生的电阻热需要冷却回路散热,效率低、重大、体积

zAnalogue power-sources play no more major- role in the field of welding and disappeared bit by bit within industrial applications

因此模拟控制的电源在焊接领域中不再担任主要色并且逐渐在工业应用中消

Fronius –ThePioneer in Inverter Welding Power Source developement 02.05.2008

Different basic designs of transistorisedwelding-power-sources

各种晶体管焊接电源的基本设计原理

zAnalogue transistor power-source

模拟晶体管电源

zSecondary transistor-switched power-source

次级晶体管开关电源

zPrimary transistor-switched power-source(Inverter)

初级晶体管开关电源(逆变)

zFully digitalised primary transistor-switched power-source

全数字化逆变电源

zCMT –power-source CMT

Secondary transistor-switched welding-power-source 次级晶体管开关焊接电源

zLarge 50 Hz transformer on the primary –andrectifier on the secondary side, id est...

50Hz的大型工频变压器在初级,整流在次级

zRectified current is being transistor-switched on the secondary side of the welding-circuit

晶体管开关在焊接回路的次级端对电流整

zRelatively insensitivity against main voltagepeaks and relatively good electrical efficiencycan be remarked positively, but...

动态响应特性好、效率

zLarge volume and weight of these machinescan be remarked as disadvantages

但是体积大、重量

Different basic designs of transistorisedwelding-power-sources

各种晶体管焊接电源的基本设计原理

zAnalogue transistor power-source

模拟晶体管电源

zSecondary transistor-switched power-source

次级晶体管开关电源

zPrimary transistor-switched power-source(Inverter)

初级晶体管开关电源(逆变)

zFully digitalised primary transistor-switched power-source

全数字化逆变电源

zCMT –power-source CMT

Primary transistor-switched welding-power-source (Inverter)初级晶体管开关电源(逆变)

zIncreased frequency, e.g. 100 kHz,of the rectified current is being generated on theprimary side of the welding-circuit by use ofMOSFET –semiconductors

在焊接回路的初级端采用场效应管提高逆

频率,如100KHz zVery low mass and volume of usedtransformers can be realized, thus small size of power-source can be obtained

可以使用非常小的变压器,电源体积小、重量轻

zMinimum current-and voltage ripple can beobtained, thus maximal arc-stability

最小的电流电压波纹,最大的电弧稳定

zMaximum grade of electrical efficiency of the power-source can be obtained

电源可以得到最高等级的效

FRONIUS leads the Gas-shielded Metal-Arc-Welding into a new future福尼斯引领GSM熔化极气体保护焊进入一个新的时代

z1981:Development and presentation of the worldwide first primary transistor-switched GMAW-Power-Source with

Pulse Arc in Essen –Germany >>TRANSARC 500<<

1981年,开发出世界上第一台初级晶体管GSM脉冲焊接电源,并在德国埃森展上

Revolution with T.I.M.E. –PROCESS

T.I.M.E高速焊工艺的革

z1989:Development and presentation of the worldwide first primary transistor-switched GMAW- Power-Source for High Deposition Welding with 1- Wire electrode Wire feed speeds up to 30m/min and deposition rates up to more 20kg/hour >>T.I.M.E. -Synergic<<

1989年,开发并推出世界上第一台单丝高速焊逆电源>>T.I.M.E. -Synergic<< 送丝速度达30/熔敷效率可达20公斤/

Revolution with T.I.M.E. –PROCESS

T.I.M.E高速焊工艺的革

MAG: Bevelangle 坡口角度50° Wire feed speed 11m/min Depositionrate : 5,8kg/h Pass no. 焊道数量65

T.I.M.E.: Bevalangle坡口角度40° Wire feed speed 18m/min Depositionrate: 9,6kg/h Pass no.焊道数量45

Different basic designs of transistorisedwelding-power-sources

各种晶体管焊接电源的基本设计原理

zAnalogue transistor-switched power-source

模拟晶体管开关电源

zSecondary transistor-switched power-source

次级晶体管开关电源

zPrimary transistor-switched power-source(Inverter)

初级晶体管开关电源(逆变)

zFully digitalised primary transistor-switched power-source

全数字化逆变电源

zCMT –power-source CMT

Digitalised power-source for GMA-welding 全数字化熔化极气体保护焊电源

Exchange of analogue to digital process-controller(DSP) means: 采用DSP数字信号处理器取代模拟控制意味着: 送丝机

遥控器数据总线传输

zObtaining digital repeatability of weld-properties

得到数字式的重现精度

zObtaining never known arc-stability and 主控系统welding performance

得到前所未有的电弧稳定性和焊接性能Digital 数据处理actual Value

zObtaining additional reduction of (实际值的数字信号)

Actual value (U/I)

power-sources‘ weight and volume (实际值)降低电源的重量和体积-轻便灵活

zBasis for the realisation of the CMT-process 实现CMT工艺的前提基础

Gas-Metal-Arc-Welding becomes digitally reproducible 气保焊具有数字化的重复性

Use of digital power-sources means:

使用数字化电源意味着:

zImproved arc-ignition

提升引弧性能

zOptimised short-circuit-arc characteristics

最优化的短路过渡电弧特性曲线

zVariable and optimized pulse-arc-characteristics

可变的、最优化的脉冲电弧特性曲线

zConstant arc-length-control

恒定的弧长控制

zHighest grade of arc-stability

最高等级的电弧稳定性

zHighest grade of weld-performance repeatability

最高等级的焊接性能重现性

zBasis for power-source advancements, e.g. TIME 5000 digital, TIME

TWIN Tandem welding or CMT-power-source 作为更先进的电源的基础条件,例如TIME5000 Digital 数字化单丝高速焊、TIME Twin 数字化双丝高效焊、CMT电源等

双丝高效

z2002: FRONIUS presents the

Tandem welding Power-Source 2002年,福尼斯推出世界上第一套全数字化双丝高效焊电源

>>TIME TWIN 4000 / 5000 / 7200 / 9000 Digital<<

zPresentation on the worlds largest welding fair in Essen/Germany 2001 2001年德国埃森展上展示

Application Rail Vehicle Construction

机车行业应用

Reference Alstom

阿尔斯通

Workpiece: Extrusion profiles

工件:机车侧板

Seam type:V-seam, fillet weld V型坡Base metal:AlMgSi0.7 Filler metal:Al Mg 4.5 Mn0.7 Weld speed:250 cm/min 焊接速度:250cm/min Fusing performance:7 kg/h 熔敷效率:7kg/h Welding position:PA 焊接位置:PA平焊

Different basic designs of transistorisedwelding-power-sources

各种晶体管焊接电源的基本设计原理

zAnalogue transistor-switched power-source

模拟晶体管电源

zSecondary transistor-switched power-source

次级晶体管开关电源

zPrimary transistor-switched power-source(Inverter)

初级晶体管开关电源(逆变)

zFully digitalised primary transistor-switched power-source

完全数字化逆变电源

zCMT –power-source CMT

CMT –a new epoch in Gas-shielded Metal-Arc-Joining beginsCMT-熔化极气体保护焊的一个新纪元的开始

z 2004: A quantum-leap in GMA-Joining becomes reality –FRONIUS develops and presents the C M T -process to the world

2004年,溶化极气体保护焊一个巨大突破,福尼斯开发C M T冷金属过渡技

What is CMT?

zCMT stands for Cold Metal Transfer

CMT-Cold Metal Transfer冷金属过渡zShort-circuit-arc based process with an absolutely new principleof droplet detachment

基于短路过渡工艺,采用一种全新的熔滴分离过渡技

zMetal transfer with relatively low thermal energy-input in comparison to conventional GMA-modes

和常规的GMA工艺相比,金属过渡的热量很

Striking differences define a new process

For the very first time, the wire movement could be directly integrated into the process-control

第一次将焊丝的运动直接同焊接过程控制相结

Wire feeder Wire buffer

CMT Welding Seam under CO2CO2 CMT焊接

Innovation: high formability steel–aluminumsheet 创新:钢铝焊接板具有很高的可锻性

Conclusion

zFully digitalised Inverters have revolutionized the Gas-Metal-Arc-Welding-processes due to their very sophisticated welding-properties and peripheral advantages, e.g. size and volume and plug & weld characteristic

全数字化电源以其非常成熟完善的焊接特性和诸如尺寸小、重量轻、

插即用等优点,演绎了GMAW工艺的革命。zThey form also the basis for the CMT-power-source –the actual andfuture standard for Gas-Metal-Arc-joining applications

这也是CMT电源的基础现在以至将来GMAW应用的工艺标准zCMT as a completely new process for joining a large range of base materials with an also large spectrum of properties enables the user to enter the future of metal-joining already today

CMT作为一种全新的工艺,特性范围广、适用于多种母材的焊接;让用户现在就可以进入领略未来的焊接技术。

Thanks for your attention

谢谢大

PERFECT WELDING