Sep 10, 2025Leave a message

How to adjust the thickness of the bubble film produced by a bubble film make machine?

Hey there! As a supplier of Bubble Film Make Machine, I've gotten tons of questions from customers about how to adjust the thickness of the bubble film produced by these machines. Today, I'm gonna share some tips and tricks on this topic.

First off, let's understand why adjusting the thickness of bubble film matters. Different applications require different bubble film thicknesses. For example, if you're using the bubble film for delicate items like glassware, you might want a thicker film for better protection. On the other hand, if it's for lighter items, a thinner film could be sufficient and more cost - effective.

1. Understanding the Basics of Bubble Film Make Machine

Before we dive into the adjustment process, it's important to have a basic understanding of how a Bubble Film Make Machine works. These machines typically use polyethylene (PE) resin as the raw material. The resin is melted and then extruded through a die to form a film. Air is then injected into the film to create the bubbles.

2(001)Bubble Wrap Making Machine

2. Factors Affecting Bubble Film Thickness

Extrusion Speed

One of the key factors that affect the thickness of the bubble film is the extrusion speed. If the extrusion speed is too fast, the film will be thinner because the resin is being pushed out more quickly. Conversely, if the speed is too slow, the film will be thicker. Most modern Bubble Wrap Making Machine come with adjustable extrusion speed settings. You can usually find these settings on the control panel of the machine. To increase the film thickness, you can slow down the extrusion speed. Just make sure not to go too slow, as it can cause other issues like uneven film formation.

Temperature

The temperature at which the resin is melted also plays a crucial role. Higher temperatures make the resin more fluid, which can result in a thinner film. Lower temperatures, on the other hand, make the resin more viscous, leading to a thicker film. You need to find the right balance. Generally, the temperature settings are pre - calibrated for the type of resin you're using. But if you want to adjust the thickness, you can make small adjustments to the temperature. For example, if you want a thicker film, you can slightly lower the melting temperature. However, be careful not to lower it too much, or the resin might not melt properly.

Air Pressure

The air pressure used to create the bubbles can also impact the film thickness. Higher air pressure can stretch the film more, resulting in a thinner overall film. Lower air pressure will create smaller and less - stretched bubbles, which can contribute to a thicker film. You can adjust the air pressure through the air injection system of the machine. Just keep in mind that changing the air pressure also affects the size and quality of the bubbles.

3. Step - by - Step Adjustment Process

Step 1: Set the Initial Parameters

Start by setting the extrusion speed, temperature, and air pressure to the recommended values for the type of resin you're using. These values are usually provided by the resin manufacturer or can be found in the machine's user manual.

Step 2: Run a Test Batch

Once you've set the initial parameters, run a small test batch of bubble film. Measure the thickness of the film using a film thickness gauge. You can find these gauges at most industrial supply stores.

Step 3: Make Adjustments

If the film is too thin, you can slow down the extrusion speed, slightly lower the temperature, and reduce the air pressure. If the film is too thick, increase the extrusion speed, raise the temperature slightly, and increase the air pressure. Make small adjustments at a time, and then run another test batch to see the results.

Step 4: Repeat the Process

Keep repeating the adjustment and testing process until you achieve the desired film thickness. It might take a few tries to get it just right, but with patience, you'll be able to produce bubble film with the perfect thickness.

4. Using Advanced Features of High - End Machines

If you're using a High Speed Air Bubble Packaging Making Machine, it might come with some advanced features that can make the thickness adjustment process easier. For example, some machines have automatic thickness control systems. These systems use sensors to measure the film thickness in real - time and make adjustments to the extrusion speed, temperature, or air pressure as needed.

5. Troubleshooting Common Issues

Sometimes, even after making the right adjustments, you might still encounter issues with the film thickness. Here are some common problems and how to fix them:

Uneven Thickness

If the film has uneven thickness, it could be due to a clogged die or uneven temperature distribution in the extrusion system. Check the die for any blockages and clean it if necessary. Also, make sure that the heating elements in the extrusion system are working properly.

Inconsistent Bubble Size

Inconsistent bubble size can also affect the overall film thickness. This could be caused by irregular air flow or improper air injection settings. Check the air injection system for any leaks or blockages and adjust the air flow rate as needed.

6. Conclusion

Adjusting the thickness of the bubble film produced by a bubble film make machine is a combination of science and art. It requires a good understanding of the machine's operation and the factors that affect film thickness. By following the steps and tips I've shared in this blog, you should be able to produce bubble film with the perfect thickness for your needs.

If you're in the market for a high - quality Bubble Film Make Machine or have any questions about thickness adjustment or other aspects of bubble film production, don't hesitate to reach out. We're here to help you make the most of your bubble film production process. Whether you're a small business looking for a cost - effective solution or a large - scale manufacturer in need of high - speed production, we've got the right machine for you. Contact us today to start a discussion about your requirements and let's find the best machine and settings for your specific needs.

References

  • General knowledge about bubble film making machines and resin properties
  • Manufacturer's user manuals for bubble film make machines

Send Inquiry

whatsapp

Phone

E-mail

Inquiry