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The first known application of spin welding was in the assembly of compasses, however spin welding has become used in a wide variety of products. These products include but are not limited to fuel filters, check valves, truck lights, aerosol cylinders, and floats, as well as some structural components, piping, tanks, and containers. [3]
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 ...
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 ...
The Plastic Container Manufacturers Committee: (a) develops voluntary standards for containers; (b) makes available to members technical data about containers; and (c) liaises with other container manufacturer trade organizations worldwide to attempt to create voluntary worldwide standards for containers.
Two sizes of metal standoffs and one plastic standoff. The background depicts a standoff in use, holding a circuit board above a metal case. A standoff is a threaded separator of defined length used to raise one part in an assembly above another. They are usually round or hex (for wrench tightening), often made of stainless steel, aluminum ...
However, they were unable to identify small defects in the plastic lined metal pipe due to the strong reflection from the metal. They also found that the probe frequency, standoff distance from the pipe wall, and orientation of the probe played a significant role in the ability to identify defects.
Vibration welding has numerous advantages over other conventional plastic welding processes. Since the heat is created at an interface, the molten polymers are not exposed to open air, preventing oxidation and contamination of the weld during the process. No filler material is required, and when welding components of the same material the joint ...
Scan welding is a type of continuous ultrasonic welding in which case large plates or sheets can be welded. [3] In scan welding, a part is secured on a stationary table and the horn moves across the part creating a weld joint. A combination of stationary horn and mobile table can also be employed.