ABSTRACT

Ultrasonic metal welding is a solid state welding process, and here ultrasonic vibrating motion is used to join two materials. The two work pieces are held in between the anvil and sonotrode. The work piece on the anvil is hold stationary while the other part is moved to and fro due to the vibrating effect of the sonotrode. This movement the oxide disperses layer in between them and atoms of the work pieces are diffused from one part to another. When vibration is stopped a pure metallurgical bond is obtained.
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Gas welding is a process of construction that involves the use of gases as well as oxygen to weld metals together. Other names for gas welding are: oxyacetylene welding and oxy welding. Developed in 1903, gas welding is used to weld pipes and tubes together while also being an effective way to repair metals.

Benefits of Gas Welding

Many professionals use gas welding as the equipment is versatile. Not only can gas welding techniques be used to weld metals together, but the equipment can be used to create metal art projects. Gas welding equ ....etc

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Ultrasonic plastic welding is the joining or reforming of thermoplastics through the use of heat generated by the high frequency mechanical movement. It is achieved by converting high frequency electrical energy into high frequency mechanical motion. This mechanical movement, together with the applied force, creates frictional heat on the mating surfaces of the plastic components (joint area) so that the plastic material melts and forms a molecular bond between the parts. The following drawings illustrate the basic principle of ultrasonic weldi ....etc

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