There are hidden complexities behind die-cut parts. From material selection to specified tolerances, see how these factors impact component production.
On paper, a die-cut part can seem straightforward: select the material, define the dimensions, and cut the required shape.
In practice, a few additional details can make a meaningful difference. Which dimensions are critical? Are multiple layers involved? How closely do those layers need to align? How does the finished component need to arrive for the next operation?
Answering those questions helps turn a drawing into a well-defined part for production.
The selected material is an important part of the die-cut design.
Films, foams, tapes, and other flexible materials can have different physical characteristics, while material thickness becomes another part of the component's overall construction. When multiple materials are combined, the finished construction may also need to account for the individual layers.
Three details are particularly useful to define:
These details are worth revisiting if a material changes during development. Rather than viewing a substitution in isolation, the material change creates an opportunity to review how it fits with the rest of the component's requirements.
A die-cut drawing can contain several dimensions and tolerances, but some may be more important to the component's performance than others.
For example, a feature may need to align with another component, maintain a specific spacing, or fit within an assembly. Identifying these critical requirements helps communicate where dimensional control matters most.
When specifying the part, consider:
Providing the reason behind a critical requirement can also give the converter useful context when evaluating the design.
The goal is not to make every tolerance as tight as possible. It is to clearly identify the features that must be controlled for the finished component to meet the OEM's requirements.
Some die-cut components consist of more than one layer. Once those layers are combined, the relationships between them become another part of the design.
An opening in one layer may need to correspond with a feature in another. Different layers may also have their own geometries or dimensions within the finished construction.
For multilayer components, clearly define:
Thinking about those relationships as part of the design helps define what the complete component needs to look like, rather than treating each layer independently.
It can also help clarify whether the OEM needs individual converted layers or an assembled multilayer construction.
Cutting the correct geometry does not necessarily complete the requirement. The component also has to move successfully into whatever happens next.
A component may be incorporated into an assembly, applied to another surface, or enter another production operation. Particularly for small, thin, flexible, or adhesive-backed components, how the part is supplied can be an important consideration.
OEM teams should communicate:
The OEM does not necessarily need to specify how the converting process should accomplish this. Communicating the next step gives the converter context for evaluating how the component should be supplied.
The complexity of a die-cut component is not always apparent from its shape alone. A more complete specification accounts for:
Defining these areas gives a converting partner a clearer picture of the finished part and the requirements that matter most.
It can also make design discussions more productive before specifications are finalized, particularly if a material, tolerance, layer relationship, or other requirement still has flexibility.
Tapecon supports custom materials converting using laser, steel-rule, flatbed, and rotary die-cutting technologies. Its capabilities also include lamination, specialty coating, slitting, and finishing that can re-register multiple processes.
Those capabilities support a range of applications, including medical device components, wearable skin tapes and patches, sensors, multilayer dressings, spacers and insulators, and connector seals and gaskets. Tapecon also supports product teams through materials expertise, engineering, prototyping, validation, commercialization, and contract manufacturing.
Have a die-cut component you're preparing for production? Contact Tapecon to discuss your drawing, materials, tolerances, and converting requirements.