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06 December 2013

Understanding The Structural Web Process

By Tiffany Gill


Glass assist is a method being adopted by manufacturers in the production of high quality plastic products. Structural web is very effective and it works by having pressure injected in to the parts that are considered hollow with varying degrees of cross sections. In addition to using low pressure, it has been seen that the end product is smoother and very superior in terms of design.

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.

Manufacturers and professionals who work with plastic are all using this technology in their work. This is a piece of technology that is very efficient and which has helped eliminate all the constraints associated with high pressure molding. Production of plastic parts is now much faster and simplified.

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.

Products that are of a larger size can now be built using many smaller parts. Each of these parts will play a different function in the finished product. Producing large parts from smaller components also means that cost is greatly reduced while at the same time increasing the efficiency of the end product.

Appearance is important especially where certain parts are concerned. It therefore comes as an added benefit to notice that the appearance is now better and highly improved. All finished parts tend to have a smoother and glossier finish that is better than what was there before.

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.

Low pressure molding is the highlight of the structural web process. With this process, less amounts of energy will be consumed during the manufacturing and production process. Fewer materials will also be used when making a single pound of plastic. This was not the case before as more materials were required.




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