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All About MIG & TIG Welding

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What is MIG and TIG welding?

MIG and TIG welding both use an electric arc to fuse metal components together. The technical terms are 'metal inert gas' (MIG) welding and 'tungsten inert gas' (TIG) welding.

The main difference between the two is that MIG welding fast-feeds a continuous spool of welding wire into the metal joint while TIG welding uses long welding rods that are fed slowly into the weld.

MIG welding is a quick and straightforward operation used with a wide range and thickness of metals, such as mild steel, stainless steel and aluminium.

As MIG welding uses a filler material to make the weld, it is mostly employed on thicker heavy duty metals. The process creates a high-strength clean join with little need for sanding and finishing.

TIG welding is a slower, more skilled process and is most often used for complex and intricate low-power projects on thinner gauge materials.

The TIG process gives a clean, precision weld on a wide range of metals but requires a highly skilled operator to ensure best results. TIG is the preferred method for precision metal welding where aesthetics is critical.

Robotic welding is an automated process that increases efficiency and ensures faster and more consistent cycle times. Robotic welding is most productive for high-volume, repetitive projects.

Welding capacity at KMF

KMF Group offers a range of in-house welding processes including MIG, TIG, robotic, spot and stud welding, complemented by extensive metal finishing and dressing capabilities.

Our precision sheet metal service favours welding of light and medium gauge aluminium, mild steel and stainless steels.

Highly trained operators are housed in 20 welding bays across our metal fabrication facility and KMF's six TIG bays benefit from dedication to the high-quality fabrication of stainless steels.

Two ABB Robotic welding cells increase capacity for customers requiring high-accuracy in large volume batches.

To ensure metal fabrications are finished to a high standard, KMF has in-house linishing, glass bead blasting, powder coating, silk screening and pad printing facilities.

Our metal dressing capability permits stainless steel fabrications to be finished to the highest quality in a variety of brushed, grained or glass bead blasted finishes.

MIG, TIG or robotic? Our planning engineers will select a suitable method of welding on a case-by-case basis, which is why KMF Group is committed to having a range of tools and technologies available for completing welds.

ISO quality weld standards

KMF holds welding approvals to BS EN ISO15614 and visual inspection to CSWIP 3.0.

ISO15614 is the ISO standard for the qualification of arc and gas welding procedures for steels and nickel alloys.

Continued registration to this standard, alongside comprehensive in-house quality procedures, ensure customers receive high-quality, accurate and competitive products.

KMF is also registered to ISO 9001: 2015 Quality Management, ISO 14001 Environmental Management, OHSAS 18001 Healthy & Safety and AS 9100 Aerospace, allowing KMF to excel in the provision of sheet metal work and machined components for the aerospace industry.

Welding applications

As sheet metal fabricators, welding plays a key role in our manufacturing processes and has widespread applications across many industrial sectors.

KMF's industrial applications include projects for aerospace engineering, electronics, medical instruments and power distribution enclosures.

With dedicated stainless-steel fabrication facilities, KMF also has vast experience in manufacturing stainless steel components for complex multi-part assemblies, such as food processing equipment and conveying systems.

Our welders are best-in-class, trained to the highest standards to ensure a high-quality finish for our customers.

Materials and products

KMF Group provides MIG, TIG and robotic welding of mild steel, stainless steel and aluminium components to deliver custom-made precision sheet metal fabrications.

A range of material thicknesses can be welded but, as precision sheet metal manufacturers, KMF specialises in the welding of light and medium gauge sheet metal.

To discuss your welding or precision sheet metal work requirements, contact us today.

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