Product category:
Arc welding equipment, manual and automatic
News Release from: TPS-Fronius | Subject: Cold metal transfer MIG welding
Edited by the Manufacturingtalk Editorial
Team on 23 September 2005
Cold metal transfer MIG welding is
spatter-free
Cold metal transfer MIG welding process provides spatter-free welding, outstanding gap bridging properties, low heat input and a high degree of process flexibility.
Innovative CMT process sets new quality standards and reduces manufacturing costs at automotive specialist For Helmut Haspl, works manager of automotive supplier ELBForm, the CMT (cold metal transfer) process is the most significant innovation as far as automatic and robot-assisted MIG/MAG welding is concerned The lightweight pipe specialist is an internationally renowned partner to the automotive industry
This article was originally published on Manufacturingtalk on 24 Jan 2003 at 8.00am (UK)
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More compact performance, lower noise level, more stable arc and easier operation than conventional welding devices are the features of lightweight TIG welding machines weighing just 15kg.
Its core skills revolve around reshaping pipes using very high internal pressure and the welding of complex components.
The CMT process from Fronius presented the company with completely new perspectives in terms of weld quality and workflow.
Spatter-free welding, outstanding gap bridging properties, low heat input and a high degree of process flexibility were reason enough for the Works Manager to convert all his welding robots to the new process.
Further reading
Power on - weld spatter gone
Because electromagnetic forces in a cleaner system remove the spatter from welding torch nozzles there is no need to use mechanical milling or reaming devices that might damage the nozzles.
Intuitive welding user guidance given remotely
The welding process can now be controlled in a new way, conveniently and yet still safely - in the place which is best for the user, for example next to the welded component.
Spatter-free welded products are a 'must-have' feature for quality and safety reasons in numerous sectors of industry.
Purchasing decisions depend to a large extent on the surface quality of the products.
Satisfying these customer requirements in the past meant removing the spatter mechanically - a long-winded and expensive process.
Storage requirements and checks incurred additional costs.
The Fronius CMT process more or less eliminates all these difficulties.
Spatter no longer occurs, and there is consequently no need for any rework.
This automotive supplier is an impressive case in point.
The results obtained can be extended to all companies that have to satisfy similar criteria when welding and soldering CrNi steels, galvanised steel sheet and aluminium.
ELB-Form manufactures vital engine piping components, which have to be free of any spatter.
If spatter detaches itself from the inside of piping, severe damage to turbochargers, engines or hydraulic systems can result.
Since converting the welding robots to the innovative CMT process from Fronius, these components have been welded spatter-free to previously unattainable levels of quality.
The CMT process also offers considerable advantages in the thermal joining of thin CrNi steel sheet with widely varying wall thicknesses.
Its precise droplet detachment, outstanding gap bridging properties and lower heat input reduce welding costs considerably.
ELB-Form joins 0.3mm sheets to ones over 3mm thick in a single operation without any rewelding.
Fronius and Ulmer (Fronius's agent in Vorarlberg in Austria) have installed a completely digital TransPuls Synergic 4000 CMT system.
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