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How Does A Plastic Extrusion Machine Work?

How Does A Plastic Extrusion Machine Work?


Plastic extrusion machines create various products, including plastic bottles, drinking straws and pipes. They come in different models that use different types of materials. The first step is melting the plastic at temperatures ranging from around 190°F to over 300°F. After the melted plastic enters the die (a giant press), it is forced through a series of nip rolls, so it comes out with specific dimensions and shapes depending on what type of product you're making with your machine. When you use this machine, you can produce plastic parts usually made of polyethene or other plastics. In this article, we will explain how exactly these machines work.

How Does A Plastic Extrusion Machine Work?

Below are the steps of the plastic extrusion process.


The first step is melting plastic. Plastic is dissolved in a furnace, and the temperature depends on the type of plastic you want. For example, if you're making candy wrappers or toys, your machine will need to be set up so that it can melt at lower temperatures than food packaging products. When the plastic has been melted into pellets, it's ready for extrusion through a die, forming long strands of molten material (like spaghetti).

This spaghetti-like material is called a "film". The film is stretched out on a frame and allowed to cool off, forming a thin plastic sheet. The sheet can be cut into any shape with scissors or a knife.

After the plastic is melted, it enters the die.

The die is a part of your extrusion machine that determines how much plastic will be squeezed out of each die and into what shape. The most common types of dies are made from steel or aluminum, depending on their intended purpose (see below).

A typical plastic extruder machine has four main parts: a heating block, cooling block or water-cooling tank (if necessary), a drill for feeding raw material into the machine, and multiple chutes for directing finished product onto conveyor belts or other devices for further processing.

Extrusion machines come in a variety of models and sizes.

The smaller the machine, the smaller the product being made. Larger machines can produce more oversized products but require more room to operate.

The size of your extruder depends on how much material you want to produce and how many dies are used to create it (and, therefore, how many channels). For example, if you're making an object that's 20 inches tall by 10 inches wide with a single channel option available at 1 million dollars per day production costs—and if each channel requires 0.5 cubic feet per second when operating at its maximum capacity—you'll need an extrusion unit that has a diameter equal to about 6 feet (1 meter).

Uses of Plastic Extrusion Machines

Plastic extrusion machines make everything from drinking straws to plastic pipes. They can produce products with diameters as small as 0.5 mm, which is about the same size as human hair.

Plastic extrusion machines apply pressure on a liquid mixture that has been squeezed through a die into narrow channels in an "air gap." The air gap causes the liquid (known as "materials") to flow down through the die while also pushing out any trapped air. This process results in a highly smooth surface on which you can later coat whatever you want with your favourite paint or finish material (like enamel).

The air gap also helps prevent the material from sticking to the inside of the die, which means you can use your plastic extrusion machine to make tubes and pipes that are both strong and durable.

Plastic Extruder Machine Manufacturers

We are the best plastic extruder machine manufacturers, and we want to tell you about it. Our plastic extruder machines are designed to work with your existing equipment, so you can return to making parts faster. They're made of high-quality materials that will last through years of production. And they're easy to operate, so if you've never used one before, you'll have no trouble getting started.

As one of the best plastic extruder machine manufacturers, we offer a variety of models that are all built for different applications. You can choose from single-spindle or double-spindle models and even a model that can handle both types simultaneously! There's even a model perfect for large-scale manufacturing companies looking for something powerful yet affordable.

If you're looking for an easy way to increase your output without spending a lot of money on new equipment or training employees, look no further than Tengda.


Plastic extrusion machines are a great way to make products you can use daily. They're versatile, efficient, and easy to use. There are so many different plastic extrusion machines available today - from small household models to industrial-sized ones. If you want a machine that will do whatever job needs doing in your home or business, then we recommend checking out this guide first!

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