Some Methods of Plastic Molding

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Plastic is one of the main materials for some manufacturers. The products of plastic manufacturing have been widely used for most of the customers. The plastic products which are commonly used include the car bumpers, cellular phone, incubators for the baby, and some other wares for either the household or the industry. Each of those products may need different methods.

Plastic is widely used by some different manufacturer because it can be molded easily. There are some common methods of plastic molding. Here are three methods of plastic molding which are commonly used.

Blow Molding

This method of plastic molding starts by melting the liquid plastic in the chamber of the machine and then sending the liquefied plastic to a mold for creating the desired shape. Blow molding specializes on creating the hallow product such as bottles, motorcycle fuel tanks, hoses, bumpers, and some other hollow products. In addition, the final product is seamless. The main process of this method is that the air is blown and locked so that it creates hollow. When the liquefied plastic is poured on the mold, the plastic will harden so that you can create the shape you want. Then, you can pull out the mold through a mold cavity.

Injection Molding

This type of method uses thermoplastics. Among the other methods, this is used more often by the manufacturer. The methods include the shooting hot liquid thermoplastic at the high speed to a ceramic mold. Then, the mold is fastened tightly while the plastic will follow the shape of the mold. The plastic will be cooled down by the small vents on each side. When it is cool, it will be removed and then painted. However, this method leaves small seam so that the final product will be finished for better result. The products which are created through this method include the toys, MP3 player cases, car dashboard casing, and some others.

Thermoforming

This method is focusing for creating larger items which are mainly used for the use of industrial and home furnishing. This method is quite simple. You only need to heat the plastic until it is malleable so that it can be manipulated to creating the desired shape. Then, the small machine will add any detail to the items such as body polishing, decorating, and also tracing stamping. The common products of this method include aircraft wind screens, truck beds, industrial pallets, and some other larger items.