Understanding The Structural Web Process

By Tiffany Gill


Structural web also known as glass assist in some circles is a method used to produce plastic parts. It works by injecting low amounts of pressure in order to produce varying hollow cross sections. The thickness will also vary while at the same time providing an improved appearance that is not only cosmetic in nature but it also superior in terms of design and functionality.

In this process, nitrogen gas is injected immediately after resin has been injected. The injection takes place in the mold cavity. The nitrogen gas will assist in helping push the plastic that has already been melted out of the cavity walls.

Immediately after injection has been completed, it is expected that it will follow the path known as least resistance. When following this path, it works out all the parts that are hollow in the cross sections. This is important as it allows designers to create different types of designs with the products.

This type of technology is highly favored by manufacturers and people who work with plastic. It has opened up a lot of new possibilities when it comes to developing different types of parts. It has also helped eliminate the limitations that were previously present.

Very many benefits are present when it comes to this technology. Weight reduction is a huge benefit that has seen the overall weight of all plastic parts reduced by up to thirty percent of their initial weight. This has happened without products losing their structural integrity in any way. It is therefore a plus for all manufacturers.

Production of large parts is now possible by combining numerous smaller parts. By adopting this type of production, the cost of production has also gone down. A reduction in cost in this case does not mean that quality is affected in any way. Apart from reduced costs, efficiency has also been highly improved.

The finished products made from this technology also have a better appearance. The finishing is much smoother and glossier than products made using other types of technology. Low pressure parts for instance have been known to have a finishing that is quite rough and not so smooth.

Normal injection comes with very many limitations especially in terms of what can be engineered and what cannot be engineered. In glass assist products can be made from a large combination of resins with a lot of ease. Highly engineered resins and additives can also be used in this particular type of production.

Addition of colors and textures was not quite possible previously. The amount of money used in purchases of materials was also high especially when it came to colors. The rough textures meant that more color had to be used in a part than was necessary. This is a factor that has been done away with.

Structural web involves molding using low amounts of pressure. This therefore means that less energy is consumer for every pound of plastic that is produced during manufacturing. The materials that are used in this process are also very few and all this is possible without compromising on the quality of the end product.




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