The Cavacut Method – EPS and PE Foam

IPS Foam uses our proprietary Cavacut Technology which is a unique process for cutting out cavities of foam from a solid piece of EPS or PE Foam. This allows for foam parts to be shaped like molded foam pieces with no expensive tooling fees and no minimums. This can be a huge benefit, as molds to make molded parts can be tens of thousands of dollars and require minimum order sizes of semi-loads!

Cavacut uses shaped hot wires controlled by CNC for cutting out cavities from certain flexible foams and EPS (Styrofoam) from a solid piece of foam, thus requiring no gluing or heat bonding of layers. The result is a stronger solid part.

Advantages of CNC Cavacut Method:

Cost-Effectiveness:

Cavacut cutting can be cost-effective overall, especially for large-scale or repetitive production tasks. The efficiency and productivity gains achieved with CNC Cavacut cutting can help lower overall production costs and improve the return on investment for customers.

Solid One-Piece Design:

Cavacut, like routing, is cut from a solid piece of material, therefore the finished product is a solid piece, which increases strength and reduces the cost of bonding layers.

Design Flexibility:

CNC Cavacut method allows for easy modification of part designs by modifying the drawing.

Consistent Quality:

CNC Cavacut method ensures consistent quality in every foam piece produced, eliminating variations due to human error. Customers can rely on CNC-cut foam products to meet their specifications and quality standards consistently, regardless of batch size or complexity.

Reduced Labor Intensity:

CNC Cavacut method reduces the need for manual labor compared to traditional cutting methods. This not only increases productivity but also minimizes the risk of errors and injuries associated with manual handling of cutting tools.

Flexibility in Design Change:

CNC Cavacut cutting can allow for change of design as compared to use a die or a mold.

Efficiency:

CNC Cavacut cutting is a fast and efficient process, particularly for high-volume production runs. Once the cutting program is set up, the CNC machine can produce identical foam pieces with minimal manual intervention, reducing lead times and increasing production output.

Material Optimization:

CNC Cavacut cutting software can optimize cutting paths to minimize material waste, maximizing the yield from foam sheets. This helps reduce material costs and environmental impact, making CNC cutting a more sustainable option compared to manual cutting methods.\

Scalability:

CNC Cavacut cutting is easily scalable to accommodate varying production demands. Whether customers need a few prototypes or thousands of foam pieces, CNC machines can efficiently manage the workload without compromising on quality or turnaround time.

Repeatability:

Using the automated CNC Cavacut method allows for accurate and efficient repeatability of parts.

Depth Variability:

CNC Cavacut cutting depth can be adjusted to allow for any depth of cutting, from engraving to approximately 8 inches of depth.

Disadvantages of CNC Cavacut Method:

Precision and Accuracy:

Although CNC machines are used for Cavacut cutting, the accuracy is not as precise as with other methods such as water jet, CNC reciprocating knife, or routing.

Complex Shapes and Designs:

CNC Cavacut machines may have some limitations on creating intricate shapes and designs in foam.

Customization:

CNC Cavacut cutting does require the use of dies, therefore, changing designs requires the additional effort and expense of creating dies. The dies are generally inexpensive, so this can be viewed as a positive, in comparison to molding or die-cutting.

Resolution:

CNC Cavacut routing can have limited resolution in finer cuts. Cavacut is more designed for less detailed cuts.

Material Compatibility:

The Cavacut method only works with EPS foam and PE foam.

**insert the images