The Types of Injection Molding Machines, Explained

injection molding machines

Did you know that the British chemist Alexander Parkes patented Parkesine in the middle of the 19th century? This was the first thermoplastic material.

Nowadays, injection molding is a widely used manufacturing process. It allows for the mass production of complex plastic parts with high precision.

The injection molding machine is the star of this process. It’s responsible for melting the plastic, injecting it into the mold, and solidifying it. There are several types of these machines on the market.

Keep reading to learn about them so that you can choose the one best suited for your project.

Hydraulic

The hydraulic injection molding machine is one of the most common machines in plastic molding. It uses hydraulic power to propel the injection process.

These machines offer high clamping force. This makes them ideal for molding large and heavy parts.

Hydraulic machines are synonymous with durability, reliability, and low maintenance needs. Keep in mind that they tend to be slower compared to other types.

Electric

Electric injection molding machines are becoming more and more popular. Experts love their energy efficiency and precise control. Instead of hydraulic power, they use electric servo motors.

These plastic injection molding motors result in faster cycle times and improved accuracy. They also cut down on energy consumption. Electric machines are especially well-suited for high precision and cleanroom environments.

Hybrid

Are you stuck deciding between the first two machines? Hybrid injection molding machines merge the benefits of hydraulic and electric machines. They use both hydraulic power and electric servo motors.

That way, you can get the best of both worlds. This includes high-speed operation, energy efficiency, and enhanced precision. Hybrid machines are versatile and are perfect for a wide range of applications.

Two-Shot

Two-shot injection molding machines produce parts with many materials or colors. They have two injection units that inject different materials into the mold. They can do this in one operation.

This function allows for complex parts with diverse color combinations. It can also incorporate soft-touch features and more.

Multi-Component

Similar to two-shot machines, multi-component injection molding machines can handle multiple materials. These machines boast the ability to incorporate more than two components. This allows for far greater design flexibility.

You’ll find this machine in the medical and electronics industries.

Vertical

Vertical injection molding machines have a vertical clamp and injection unit orientation. This is quite different from the horizontal configuration of standard machines.

Also, well-suited for insert molding and over-molding. Therefore, the same is true for almost any application that’s delicate and small.

Ready to Choose Between Injection Molding Machines

Now that you’ve read about the different injection molding machines, you can decide on the one that’s best for your needs.

So, if you need quality plastic solutions, request a quote now.

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