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Hot gas welding, also known as hot air welding, is a plastic welding technique using heat. A specially designed heat gun, called a hot air welder, produces a jet of hot air that softens both the parts to be joined and a plastic filler rod, all of which must be of the same or a very similar plastic. (Welding PVC to acrylic is an exception to ...
The PALS grid is easily visible in this image of the US Marine Corps' Interceptor Body Armor; note the pouches attached to the system in the background (2005). The Pouch Attachment Ladder System or PALS is a grid of webbing invented and patented by United States Army Natick Soldier Research, Development and Engineering Center used to attach smaller equipment onto load-bearing platforms, such ...
During laser welding, air bubbles can form and cause a degradation in the mechanical properties of the joint. Current inspection techniques are limited to finding air bubbles on the surface of the weld (optical and scanning electron microscopy). Destructive testing is usually required to find volumetric flaws.
Implant induction welding is a joining method used in plastic manufacturing. The welding process uses an induction coil to excite and heat electromagnetically susceptible material at the joint interface and melt the thermoplastic. The susceptible material can be contained in a gasket placed between the welding surface, or within the actual ...
Friction welding (FWR) is a solid-state welding and bonding process that generates heat through mechanical friction between workpieces in relative motion to one another. The process is used with the addition of a lateral force called "upset" to plastically displace and fuse the materials. [1]
When welding rails together using the Thermite process began at the start of the 20th century, a section of railhead approximately 3 ⁄ 4 inch (19 mm) long, also called a dutchman, was often placed between the sections being joined, with only the web and foot of the rail being new Thermite steel.
Typical with friction welding applications, higher melting temperature materials will require more energy to melt, so they will require more welding time or higher RPMs. [3] Common additives and filler will often alter the weldability of polymers. These additions can make the weld process more difficult, or change the intended properties of the ...
Pages in category "Plastic welding" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. ... Hot plate welding; S.