What is Spray Welding? - How it works

Spray welding uses concentrated pressure compressed air and an electric arc to combine pieces of metal. It’s a quick and effective manner of welding that is used for several applications ranging from fixing automobile parts to creating aesthetic detailing on furniture with welding spray.



This is a specific form of arc welding that blends the properties of oxyacetylene and MIG welding. It generally uses an electric arc amidst the surfaces that are welded and then sprayed molten drops help in joining the metals. This method offers a speeded process than the common methods and produces less splatter than normal welding. The concentrated pressure at which the molten drops are applied onto surfaces that are welded enables to creation of a strong bond between the two pieces.

Spray welding is used for an array of reasons including repairs for structures, car repairs, maintenance of the pipeline, fabrications, producing parts and components, fixing damages on jewellery and adding details on furniture and artwork. It can also be beneficial for combining different metals like aluminium, cast iron, stainless steel and mild steel. It’s highly cost-effective as costly equipment like arc welders are not needed.

Firstly, the area should be prepared by wiping with an abrasive pad or wire brush before applying flux, this will make sure that the two pieces will strongly join together. The next step is that electrical current sends heat to an electrode which generates sparks that will help melt the metal to get welded with any other material if needed. Then compressed air is sent in as molten drops to both sides at concentrated pressure to create several layers until they join and hold their structure firmly after it’s cooled down again.

This finally gives a product which has both the pieces welded strongly and helps an even shape in high temperatures or pressures without warping or breaking apart. It’ll also be resistant to extreme conditions like moisture, rusting, rain and salt water. This is the most beneficial for outdoor projects like bridges, or support beams near saltwater areas where there are more chances for rusting to occur.

It is imperative to note that spray welding blends high-pressure compressed air with an electric arc to join two pieces of metal and offers anti spatter properties from other arc welders. This is majorly used for repairing structures, car repairs, pipeline maintenance, producing parts and fixing damaged jewellery.

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