How Are Glass and Plastic Welding Totally different From Metal Welding?

Welding: An Introduction

Welding is commonly achieved to hitch two materials, often metals. Nonetheless, as of late, the process of welding is used for joining plastic and glass items too. Metal welding process is fundamentally different from plastic welding or glass welding. Read on for more.

Distinction within the Vibrations

In case of plastic welding, lengthyitudinal vibrations are sent to the weld surfaces whereas parallel vibrations are responsible for successful metal welding. Additionally, in case of metal, friction does not lead to simple melting of the surface. In plastic welding, the fabric melts resulting from frictional action, and that too at a a lot lower temperature compared to that put in use in the course of the metal joining process.

Welding Tools

For the reason that metal welding industry requires fusing of thicker supplies, the apparatus used for the purpose are completely different than these in use for glass or plastic. Although each types of welding tools are manufactured on the basis of the frequent principle of acoustics, there are some variations in their shapes; which in turn sends out completely different kinds of vibrations to the weld surfaces.

Foremost Phases of Plastic Welding:

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

Pressure: Pressure helps in flattening the surfaces of the objects to be welded and has to be applied 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 essential for solidifying the newly created molecular bond and leads to proper weld strength.

Plastic soldering makes use of different types of processes resembling spin, vibration, laser, ultrasonic, and many others and each of these processes differ from each other in their particular person methods.

Glass Welding Process

Glass welding is usually performed at the time of manufacturing glassware, setting up neon signs, flash tube and scientific apparatus. Also, bottles and jars require glass welding to affix the different glass molds. In glass welding, the glass is melted right into a thick liquid mass, which in turn is heated under very high temperature. However, the temperature required in glass welding depends on the types of glass involved within the process. The melted glass is heated using a particular type of gas torch.


Whether it is about welding metals or glass, the overall process is so simple as heating and joining with the usage of technology. Nonetheless, there exist certain variations, which should be mastered for finest results.

Welding is essentially the most commonly used process for joining two materials and supports many various methods. It is used within the manufacturing of widespread instruments and apparatuses used in different industries.

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