Here Is Everything You Need to Know About Blow Molding

 Blow molding is all everywhere and you may not even realize it. The beverage you are drinking comes in a plastic bottle that was blow-molded.

United States, The plastics industry is the third-largest manufacturing industry. Plastics ease our lives and enable us to make things more efficiently.

What do you mean by it? What exactly is it? Find out more here!

What exactly is it?

The process is used to create plastic products. The procedure involves heating a tube of plastic (known as parison or preform) to the point of melting and then placing it into the mold's cavity. mold.

Then, they utilize compressed air to blow up the molten plastic in the form of balloons, to form an exact shape as the mold, but it is hollow inside. The quantity of plastic used and the pressure of air determine how the final product will be.

The History

Blow Molding is rooted in glass blowing. During this process, craftsmen would heat the glass until its melting point, and then blow it through tubes to expand the glass. This technique has been used since the 1800s. A patent from that time illustrates the method being employed by celluloid-based polymers. These methods of the beginning were not suitable in mass production.

The 1930s saw the first time they invented commercial equipment to make blow-molded bottles. This allowed mass production. The available materials were too hard and brittle and took a lot of time for production to allow the process in huge quantities.

Blow molding became a huge industrial ubiquity with the development of high and low-density polyethylene. It revolutionized numerous industries, including the bottling industry for soft drinks and the automobile industry.

How Can You Make It?

It is possible to make nearly any hollow plastic item using blow molding, however, this process isn't restricted to bottles. Here are some common made by blow molding:

Construction Barrels and Barriers

Stadium Seating

Coolers

Fan Housing

Toys and Sporting Goods

Watering Cans

It is extensively employed in the automotive industry which allows the creation and production of automotive parts easy and economical. Here are some common automobile parts that are blow-molded:

Automotive Ductwork

Liquid Reservoirs

Mud Guards

Consoles

Seating

Storage Systems

Electrical Covers

Fenders

Paneling

In conclusion the blow molding process has numerous applications and is an excellent method to create a huge quantity of components at a low cost.

The Process

There are several types that blow mould. They differ in how they create the parison, their size of the parison, as well as how the parison travels across the molds. The most common kinds of blow molding are:

Extrusion Blow Molding (EBM)

Injection Blow Systems (IBS)

Injection Stretch Blow Molding (ISBM)

Contemporary blow molding has become a mostly automated process that allows for the creation of thousands of components in a relatively short amount of time. The process involves several steps.

Plastic pellets are introduced into the machine through an hopper or screw, dependent on the machine.

The plastic melts, and is formed into a parison that looks like the shape of a tube, with a hole at the one end.

Placed in the mold.

The parison is inflated by compressed air.

The balloons are heated to fill in the mold. mold.

Once the plastic has cooled it is then opened by the mold and takes out the piece, and then sends it for any finishing process, if there is one.

In addition using IBS and ISBM Preforms replace the parison. Tubes that have a single hole, which is created ahead of time, referred to as preforms, are produced using injection molding. A single design could be utilized for a variety of styles of blow-molded products. It can also be used to speed up production in certain cases.

Blow Molding Materials

Plastics that can be used in this type of process are:

PVC

PET

Nylon

ABS

EVA

TPE

Polyethylene with high and low-density

Polypropylene

Co-polyester

COC and COP

Polystyrene

The variety of materials that can be used in blow molding means you can utilize the process to design components that meet your specific requirements.

Benefits

There are numerous advantages of blow molding over other methods of plastic manufacturing. Blow molding can be a cost-effective substitute for injection molding in both manufacturing and equipment generally being less expensive.

Blow molding is ideal when the product is a single piece. It is able to create objects that don't require assembly or connecting of two halves. This makes it particularly suitable for containers that require external threading.

Blow molding also helps reduce flash. Flash refers to the small bursts or plastic bleed around appears of items. The excess plastic that is created during the manufacturing process demands additional finishing work to smooth it off or get rid of it before the part is delivered. Blow molding processes produce minimal flash, which results in faster processing times for products made with blow-molded.

Your Product is about to blow Up!

The choice of blow molding as a method to help bring your idea to life is an ideal option for mass-producing easy efficient designs without having to spend excessive amounts of cost. We're a team of highly skilled professionals who will help you bring your concept to. We'll work together throughout the production and design phases in order to make sure that the final result is one that you are proud of.

So, get in touch with us today to assist to get your idea out of your mind and to the public!