The term "seam welding" refers to a welding process that creates a continuous seam between two pieces of metal. The spelling of the word "seam" is represented by the IPA phonetic transcription /sim/, which indicates that the word begins with the "s" sound followed by a long "e" sound, represented by the letter "e". The word "welding" is represented by /ˈwɛldɪŋ/, which indicates that it begins with the "w" sound, followed by a short "e" sound, and ending with the "ing" sound. Together, these two words create the term "seam welding".
Seam welding is a specialized welding technique used to join two pieces of metal along a seam, creating a continuous and hermetic weld between them. This process is commonly used in various industries, including automotive and aerospace, to manufacture components such as fuel tanks, exhaust systems, and pressure vessels.
During seam welding, the two metal pieces are placed in close proximity and securely clamped together. An electric current is then passed through the metal pieces, primarily using resistance heating as the main welding mechanism. The electrical resistance generates heat, causing the edges of the metal to melt and form a molten pool. As the metal cools down, a solidified and fused joint is formed, resulting in a strong and durable weld.
There are different techniques employed in seam welding, such as resistance seam welding (RSW), laser seam welding (LSW), and gas metal arc welding (GMAW). These techniques vary in heat source, energy input, and process control, but all aim to create a continuous and flawlessly welded seam.
Seam welding is advantageous due to its high production rate, repeatability, and ability to create strong welds without the need for additional filler material. This technique also allows for a wide range of metal thicknesses to be welded. However, precise control of welding parameters such as current, voltage, and electrode pressure is crucial to ensure consistent and high-quality welds.
By utilizing seam welding, manufacturers can fabricate reliable and structurally sound components with reduced material waste and post-welding operations.
The word "seam welding" is formed by combining the words "seam" and "welding".
The term "welding" can be traced back to the Old English word "weldan", which means "to control". Over time, it evolved to "weld" and referred specifically to the process of joining pieces of metal together by heating them until they melt and then allowing them to cool and solidify.
The word "seam" comes from the Old English word "seam", which initially meant "a watery or marshy place". However, it later started to also refer to a line where two pieces of fabric or other materials are sewn or joined together.
When these two words are combined, "seam welding" refers to the process of joining pieces of metal by heating them and allowing them to melt together along a seam or line.