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2. Orbital welding - Wikipedia

   en.wikipedia.org/wiki/Orbital_welding

   Orbital welding is a specialized area of welding whereby the arc is rotated mechanically through 360° (180 degrees in double up welding) around a static workpiece, an object such as a pipe, in a continuous process.

3. Category:Welding - Wikipedia

   en.wikipedia.org/wiki/Category:Welding

   Welding is the joining together of materials (typically metals or thermoplastics), ... Orbital welding; Oxy-acetylene welding; Oxy-fuel welding and cutting; P.

4. Vibration welding of thermoplastics - Wikipedia

   en.wikipedia.org/wiki/Vibration_Welding_of...

   Vibration welding is often used for larger applications where the parts to be joined have relatively flat seams, although the process can accommodate some out of plane curvature. Recently, the automotive industry has made extensive use of the process to produce parts like manifolds and lighting assemblies whose complex geometries prevent single ...

5. Friction welding - Wikipedia

   en.wikipedia.org/wiki/Friction_welding

   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]

6. Welder - Wikipedia

   en.wikipedia.org/wiki/Welder

   Welders at work, c. 1939. A welder is a person or equipment that fuses materials together. The term welder refers to the operator, the machine is referred to as the welding power supply. The materials to be joined can be metals (such as steel, aluminum, brass, stainless steel etc.) or varieties of plastic or polymer.

7. Drilling - Wikipedia

   en.wikipedia.org/wiki/Drilling

   The orbital drilling principle. Circle interpolating, also known as orbital drilling, is a process for creating holes using machine cutters. Orbital drilling is based on rotating a cutting tool around its own axis and simultaneously about a centre axis which is off-set from the axis of the cutting tool. The cutting tool can then be moved ...