By Genevive B. Mata


The creation of plastics including a hollow design relies on specific processes to achieve the desired results. Blow molding is a procedure that is implemented in the development of cost effective and efficient production in specific types of plastics. Due to the numerous advantages of using these types of processes, it has become a popular choice for many businesses.

Molding procedures are based on 3 specific processes that will be determined by the product that is required and the methods of the company. Injection, stretch, and extrusion are common techniques that are implemented where large manufacturing processes are required and the costs need to be kept at a minimum. The different businesses are available and offer numerous benefits for constant and precise production.

Such procedure is based on the traditional glass molding methods having been developed in 1938 and advanced in terms of tooling for commercial applications. Over a period of time, the popularity of such measures increased and today it is used in a variety of measures and company requirements. This is attributed to the fact that the methods can be used to create products in a more efficient and affordable manner.

The arrival of soft drink bottles in 1977 led to an increase in the demand for such processes and soon the blow mold method became a standard process. It offers a number of advantages including flexibility, fast production, cost effectiveness, and a high level of performance under pressure. The tooling prevents against irregular shape formation and different construction.

An injection blow mold is most commonly implemented in the production of glass and plastic products. The most common being the manufacture of bottles and smaller supplies that need to be delivered in large volumes. The process involves the melting of the polymer that is injected into a mold and then stretched and shaped into the desired outcome.

The completion of stretching methods involves preforms that are blown at large volumes and can be developed into particular types of molds. A core rod will be used to stretch the preform and will prove most effective in developing the desired ranges. It is most dependable in the delivery of accurate productions for a range of plastic and glass items.

Extrusion methods are implemented in the creation of dairy bottles, cartons, and even shampoos holders. The advantages include cost savings and efficient production processes when having to meet large order volumes. Blow mold processes remain among the most common applications in manufacture and in the development of art forms.




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