{"id":3258,"date":"2026-09-01T14:02:54","date_gmt":"2026-09-01T06:02:54","guid":{"rendered":"http:\/\/www.eishasoftinc.com\/blog\/?p=3258"},"modified":"2026-09-01T14:02:54","modified_gmt":"2026-09-01T06:02:54","slug":"what-types-of-injection-molding-robot-arms-are-available-in-the-market-4539-e923ff","status":"publish","type":"post","link":"http:\/\/www.eishasoftinc.com\/blog\/2026\/09\/01\/what-types-of-injection-molding-robot-arms-are-available-in-the-market-4539-e923ff\/","title":{"rendered":"What types of injection molding robot arms are available in the market?"},"content":{"rendered":"

In the dynamic world of manufacturing, injection molding robot arms have become essential tools for enhancing efficiency, precision, and productivity. As a supplier of these remarkable machines, I’ve had the privilege of witnessing firsthand the diverse range of robot arms available in the market. In this blog post, I’ll share insights into the different types of injection molding robot arms you can find out there, so you can make an informed decision for your manufacturing needs. Injection Molding Robot Arm<\/a><\/p>\n

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Cartesian Robot Arms<\/h3>\n

Let’s start with Cartesian robot arms, which are also known as gantry robot arms. These bad boys are pretty straightforward in terms of design. They operate on a three – axis system, moving along the X, Y, and Z axes. Picture a big, sturdy frame that spans over the injection molding machine, with a robotic arm that can slide and move up and down, back and forth, and from side to side.<\/p>\n

The simplicity of their design is a major plus. They’re relatively easy to program and understand, even for those new to robotics. They’re super precise when it comes to picking and placing parts. You can accurately position the arm to extract a freshly molded part from the injection mold and place it exactly where you need it, whether it’s on a conveyor belt or in a stacking area.<\/p>\n

Cartesian robot arms are great for high – volume production runs. Since they have a linear motion, they can perform the same task over and over again with consistent accuracy. They’re also quite rigid, which means they can handle heavy loads. If you’re dealing with large or bulky injection – molded parts, these are the arms you might want to consider.<\/p>\n

Articulated Robot Arms<\/h3>\n

Articulated robot arms are like the acrobats of the injection molding world. They have multiple joints, just like your human arm, which allows for a wide range of motion and flexibility. These joints can rotate and bend, enabling the arm to reach into tight spaces within the injection molding machine.<\/p>\n

One of the biggest advantages of articulated robot arms is their dexterity. They can perform complex tasks such as orientation changes and assembly operations right at the injection molding machine. For example, if you need to insert a small component into the molded part while it’s still in the mold or perform a secondary operation like trimming, an articulated robot arm can handle it with ease.<\/p>\n

Another benefit is their compact footprint. Unlike Cartesian robot arms that need a large frame to operate, articulated robot arms can be mounted relatively close to the injection molding machine. This makes them a great option for factories with limited floor space. However, they can be a bit more complicated to program compared to Cartesian arms, but once you get the hang of it, the possibilities are endless.<\/p>\n

SCARA Robot Arms<\/h3>\n

SCARA, which stands for Selective Compliance Assembly Robot Arm, is a unique type of robot arm commonly used in injection molding applications. These arms have a horizontal structure with two parallel rotary joints and a linear joint for vertical movement.<\/p>\n

The main advantage of SCARA robot arms lies in their speed and accuracy in the horizontal plane. They’re really fast at picking and placing small to medium – sized parts. When it comes to assembly tasks, they shine. For instance, if you’re manufacturing small plastic components that need to be assembled together, a SCARA robot arm can quickly pick up the parts from the injection molding machine and put them together with high precision.<\/p>\n

They’re also relatively easy to set up and integrate into existing injection molding production lines. The horizontal movement makes them ideal for installations where the parts need to be moved across a flat surface, like a workbench. However, their vertical movement capabilities are somewhat limited compared to other types of robot arms. So, if you need significant vertical travel, you might need to look elsewhere.<\/p>\n

Delta Robot Arms<\/h3>\n

Delta robot arms are a bit out of the ordinary compared to the others. They have a unique design with three arms connected to a common base, giving them a triangular shape. These arms are suspended above the injection molding machine, and they move in a very fast and agile way.<\/p>\n

Delta robot arms are known for their incredible speed. They can pick and place parts at extremely high rates, making them perfect for applications where speed is of the essence, such as in the production of small, fast – moving consumer goods. They’re also very precise in their movements, which is crucial for handling delicate injection – molded parts without causing any damage.<\/p>\n

However, they have a limited payload capacity. They’re not suitable for handling large or heavy parts. So, if your injection molding process involves big, bulky items, a Delta robot arm might not be the best choice. But for small, lightweight components, they’re a game – changer.<\/p>\n

Collaborative Robot Arms<\/h3>\n

In recent years, collaborative robot arms, or "cobots," have been making waves in the injection molding industry. Unlike traditional industrial robot arms that need to be surrounded by safety fences, cobots are designed to work alongside human operators.<\/p>\n

One of the key features of cobots is their safety. They’re equipped with sensors that can detect when they come into contact with a human or an object. If they sense an obstacle, they’ll automatically stop or slow down their movement to prevent any accidents. This allows for a more flexible and efficient production process, as human workers and robots can work together on the same task.<\/p>\n

Cobots are also easy to program. You don’t need to be a robotics expert to teach them new tasks. You can simply guide the robot arm through the desired motion, and it will remember the sequence. This makes them a great option for small – to – medium – sized manufacturers who might not have a lot of technical expertise or resources for programming complex robot systems.<\/p>\n

Factors to Consider When Choosing an Injection Molding Robot Arm<\/h3>\n

Now that you know about the different types of injection molding robot arms, how do you choose the right one for your business? Well, there are a few factors you need to take into account.<\/p>\n

First off, think about the size and weight of the parts you’re going to be handling. If you’re dealing with large, heavy parts, a Cartesian or an articulated robot arm might be the way to go. On the other hand, if you’re working with small, lightweight components, a Delta or a SCARA robot arm could be more suitable.<\/p>\n

The complexity of the tasks is also important. If you need to perform complex assembly operations or orientation changes, an articulated or a collaborative robot arm would be better equipped for the job. For simple picking and placing tasks, a Cartesian or a SCARA robot arm might suffice.<\/p>\n

Your production volume matters too. If you’re in high – volume production, you’ll need a robot arm that can work quickly and consistently. Cartesian, Delta, and SCARA robot arms are often good choices for high – volume runs. If you have low – volume, high – mix production, a cobot or an articulated robot arm’s flexibility might be more beneficial.<\/p>\n

Finally, consider your budget and the available space in your factory. Some robot arms, like the articulated ones, can be more expensive than others, while cobots offer a relatively affordable option. And make sure you have enough space to install and operate the robot arm you choose.<\/p>\n

Why Choose Us as Your Injection Molding Robot Arm Supplier?<\/h3>\n

As a supplier, we understand the unique needs of each manufacturing business. We offer a wide range of injection molding robot arms, from Cartesian to cobots, so you can find the perfect fit for your operations.<\/p>\n

Our team of experts is always on hand to provide you with in – depth consultations. We’ll help you evaluate your requirements, recommend the most suitable robot arm, and assist you with installation and programming. We’re not just selling you a product; we’re offering a complete solution to enhance your manufacturing efficiency.<\/p>\n

We also provide top – notch after – sales support. We know that downtime can be costly for your business, so we’re committed to keeping your robot arms up and running smoothly. Whether you need maintenance, repairs, or software updates, we’ve got you covered.<\/p>\n

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If you’re in the market for an injection molding robot arm, we’d love to hear from you. Contact us today to start a conversation about your specific needs and how we can help you take your injection molding process to the next level. Let’s work together to boost your productivity and get a competitive edge in the market.<\/p>\n

Spray Painting Robot<\/a> References:<\/p>\n