Hey there! As a supplier of PE Air Bubble Film Machines, I often get asked about the cooling system of these machines. So, I thought I'd take a moment to break it down for you.
First off, let's talk about why a cooling system is so important in a PE air bubble film machine. When the PE material is melted and extruded to form the bubble film, it's super hot. If it doesn't cool down properly, the bubbles won't form correctly, and the film might not have the right strength and quality. So, a good cooling system is crucial for making high - quality air bubble film.
Types of Cooling Systems
There are mainly two types of cooling systems used in PE air bubble film machines: water - cooling systems and air - cooling systems.
Water - Cooling Systems
Water - cooling systems are pretty common. They work by circulating water around the extrusion die and other hot parts of the machine. The water absorbs the heat from these parts and then transfers it away.
One of the big advantages of water - cooling systems is their efficiency. Water has a high specific heat capacity, which means it can absorb a lot of heat without a huge increase in temperature. This allows it to quickly cool down the hot PE material as it comes out of the extruder.


Another benefit is that water - cooling can provide more precise temperature control. You can adjust the flow rate and temperature of the water to get the exact cooling effect you need. This is really important because different types of PE materials might require different cooling rates to form the perfect bubbles.
However, water - cooling systems also have some drawbacks. They can be more complex to set up and maintain. You need to have a good water supply and a proper drainage system. There's also a risk of water leakage, which can damage the machine if not dealt with quickly.
Air - Cooling Systems
Air - cooling systems, on the other hand, use fans to blow air over the hot parts of the machine. The moving air takes away the heat, cooling down the PE material.
The main advantage of air - cooling systems is their simplicity. They don't require a water supply or a complex plumbing setup. They're also generally more cost - effective, both in terms of initial purchase and long - term maintenance.
But air - cooling systems are not as efficient as water - cooling systems. Air has a lower specific heat capacity than water, so it can't absorb as much heat. This means it might take longer to cool down the PE material, which could affect the production speed. Also, air - cooling might not be able to provide the same level of precise temperature control as water - cooling.
Components of a Cooling System
Now, let's take a closer look at the components that make up a cooling system in a PE air bubble film machine.
Heat Exchangers
In a water - cooling system, heat exchangers play a vital role. A heat exchanger is a device that transfers heat from one fluid (in this case, the hot water that has absorbed heat from the machine) to another fluid (usually the surrounding air or a secondary coolant). There are different types of heat exchangers, such as shell - and - tube heat exchangers and plate heat exchangers.
The heat exchanger helps to keep the water temperature within a suitable range. If the water gets too hot, it won't be able to absorb more heat from the machine effectively. So, the heat exchanger cools down the water so that it can go back to the machine and continue the cooling process.
Fans and Blowers
In an air - cooling system, fans and blowers are the key components. Fans are used to create a flow of air over the hot parts of the machine. The size and power of the fans depend on the size of the machine and the amount of heat that needs to be removed.
Blowers are similar to fans but can generate a higher pressure of air. They're often used in situations where the air needs to be forced through a narrow space or a more complex cooling path.
Pumps
In a water - cooling system, pumps are used to circulate the water. They move the water from the water source to the parts of the machine that need cooling and then back to the heat exchanger. The pump needs to be powerful enough to maintain a steady flow of water at the right pressure.
Impact on Production
The cooling system has a huge impact on the production of PE air bubble film. A well - designed and properly functioning cooling system can increase the production speed. When the cooling is efficient, the machine can extrude the PE material faster because it doesn't have to wait for the material to cool down slowly.
It also affects the quality of the bubble film. If the cooling is too fast, the bubbles might not form properly, resulting in a weak and uneven film. On the other hand, if the cooling is too slow, the bubbles might collapse or merge together. So, getting the cooling right is essential for producing high - quality bubble film.
Our Machines and Cooling Systems
At our company, we understand the importance of a good cooling system. That's why we offer a range of High Speed Air Bubble Packaging Making Machine with advanced cooling technologies.
Our machines come with either water - cooling or air - cooling systems, depending on your specific needs. We can customize the cooling system to match the type of PE material you're using and the production requirements you have.
If you're looking for a reliable Air Bubble Film Make Machine, we've got you covered. Our machines are designed to be easy to operate and maintain, and the cooling systems are built to last.
We also have a great selection of Bubble Wrap Making Machine that are known for their high - quality output. The cooling systems in these machines are optimized to ensure that the bubble wrap has the perfect size and shape of bubbles every time.
Conclusion
In conclusion, the cooling system of a PE air bubble film machine is a crucial part of the whole production process. Whether you choose a water - cooling or an air - cooling system, it's important to understand its advantages and limitations.
If you're in the market for a PE air bubble film machine, don't hesitate to get in touch with us. We're here to help you choose the right machine with the best cooling system for your business. Whether you're a small - scale producer or a large - scale manufacturer, we have the solutions to meet your needs.
References
- Plastics Extrusion Technology Handbook
- Industrial Cooling Systems: Design, Operation, and Maintenance




