Welding: An Introduction

Welding is commonly carried out to join supplies, normally metals. Nonetheless, lately, the process of welding is used for becoming a member of plastic and glass items too. Metal welding process is fundamentally completely different from plastic welding or glass welding. Read on for more.

Distinction in the Vibrations

In case of plastic welding, longitudinal vibrations are sent to the weld surfaces whereas parallel vibrations are chargeable for successful metal welding. Additionally, in case of metal, friction doesn’t lead to easy melting of the surface. In plastic welding, the material melts as a result of frictional motion, and that too at a much lower temperature compared to that put in use in the course of the metal joining process.

Welding Tools

Because the metal welding business requires fusing of thicker supplies, the equipment used for the aim are totally different than those in use for glass or plastic. Although each types of welding tools are manufactured on the basis of the common precept of acoustics, there are some variations of their shapes; which in turn sends out different kinds of vibrations to the weld surfaces.

Fundamental Stages of Plastic Welding:

Plastic welding is primarily accomplished to create a stronger molecular bond between two thermoplastics. The process consists of three principal steps:

Pressure: Pressure helps in flattening the surfaces of the objects to be welded and has to be utilized for keeping their completely different parts in proper orientation.

Heating: Intermolecular diffusion is allowed in the heating stage for better fusion.

Cooling: This stage is important for solidifying the newly created molecular bond and leads to proper weld strength.

Plastic soldering makes use of various types of processes equivalent to spin, vibration, laser, ultrasonic, etc and each of these processes differ from each other in their particular person methods.

Glass Welding Process

Glass welding is often accomplished on the time of manufacturing glassware, developing neon signs, flash tube and scientific apparatus. Also, bottles and jars require glass welding to affix the totally different glass molds. In glass welding, the glass is melted into a thick liquid mass, which in turn is heated under very high temperature. Nonetheless, the temperature required in glass welding depends upon the types of glass concerned in the process. The melted glass is heated utilizing a particular type of gas torch.


Whether it is about welding metals or glass, the general process is as simple as heating and becoming a member of with using technology. Nevertheless, there exist sure variations, which need to be mastered for finest results.

Welding is essentially the most commonly used process for becoming a member of two materials and supports many alternative methods. It is used in the manufacturing of widespread tools and apparatuses used in totally different industries.

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