Cut EPE Foam with a CNC Oscillating Knife Cutting Machine
To begin, you’ll need:
EPE Foam (also known as Expanded Polyethylene Foam)
CNC Oscillating Knife Cutting Machine
Your digital design file
Measuring tape or calipers
The equipment you want to fit.

For this demonstration, we’ll guide you through customizing EPE foam inserts using a CNC machine to achieve a perfect fit for your products.

Table of Contents

Step 1: Design Layout

Start by deciding on the layout for your gear. Using a CAD program or CNC software, create a digital design that positions your objects in a way that ensures maximum protection. Make sure to leave enough space between items to prevent them from touching during transport.

Pro Tip: Measure the depth of your equipment to ensure the foam is thick enough to cover it completely. If necessary, rotate or adjust the items to fit within the foam’s dimensions.

Once your layout is complete, save your design file for the cutting machine.

Digital Design for Custom EPE Foam Inserts
Digital Design for Custom EPE Foam Inserts

Step 2: Set Up the CNC Machine

Load your EPE foam sheet onto the CNC machine’s cutting bed and activate the vacuum adsorption system to secure the foam in place. Upload the digital design file to the machine’s software and configure the cutting parameters.

Pro Tip: Set the oscillating knife’s depth based on the thickness of the foam to ensure clean and accurate cuts.


Step 3: Cut the Foam

With the CNC oscillating knife tool set up, begin the cutting process. The machine will follow your design file and make precise cuts. The oscillating knife is ideal for producing smooth edges and intricate shapes without damaging the foam material.

Pro Tip: Perform a test cut first to ensure the blade depth and cutting speed are optimized for the EPE foam.

Cut-EPE-Foam-with-CNC-Foam-Cutting-Machine
Cut-EPE-Foam-with-CNC-Foam-Cutting-Machine

Step 4: Remove Cut-Out Sections

Once the cutting process is complete, carefully remove the foam insert from the machine. Peel out the cut-out sections where your equipment will fit. The CNC machine’s precision ensures that the pieces are easily removed with clean, burr-free edges.


Step 5: Test the Fit

Place your equipment into the foam insert to check the fit. If any adjustments are needed, go back to your design file and fine-tune the layout or cutting depth, then repeat the cutting process.

Pro Tip: If you need to accommodate deeper equipment, you can stack multiple layers of EPE foam. Simply repeat the cutting process for each layer and align them to create a perfect fit.


And there you have it—custom cut EPE foam inserts using a CNC oscillating knife cutting machine! This method is ideal for businesses requiring precise, repeatable cuts for custom packaging solutions.

At AMOR CNC, our cutting machines are designed to handle a variety of materials with high precision, ensuring your products are protected and secured with custom foam inserts tailored to your specific needs.

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Blog,Foam Cutting
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Jeff Guo

Jeff Guo

Hey, I'm the author of this article,
I have been engaged in the CNC cutting equipment industry for 12 years. We have helped customers in more than 50 countries (such as upholstered furniture factories, gasket factories, acoustic wall decoration companies, etc.) successfully realize intelligent cutting.
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