David Scurlock is a fabrication and cutting technology specialist at Capital Machine with experience supporting aerospace and precision manufacturing applications. David focuses on aligning cutting processes with material science, compliance requirements, and long-term production performance to ensure customers invest in the right technology for their application.
In aerospace fabrication, process selection is rarely a commodity decision. Material integrity, compliance requirements, and downstream tolerances demand that cutting technology be chosen with precision.
Yet many manufacturers default to the most common or fastest cutting option without fully evaluating material behavior and long-term implications.
This customer experience illustrates why the wrong cutting process can introduce hidden risks — and how disciplined evaluation prevents them.
The Trigger: A Laser Request
Late last year, an aviation manufacturer requested a quote for a laser system.
On the surface, lasers offer speed and precision. But aerospace applications often involve materials sensitive to heat input.
Heat-affected zones (HAZ) can alter microstructure, introduce stress, and complicate downstream welding or forming processes.
That warranted a deeper conversation.
The Application Review
During on-site discussions, we reviewed:
- Material types
- Thickness ranges
- Whether parts were sheet metal or near-net shaped components
- Budget constraints
The answer was clear: the customer needed flexibility across both precision sheet work and thicker near-net shaping applications.
A laser solution posed both heat concerns and budget challenges.
The Alternative: Waterjet Technology
Waterjet cutting provides a cold-cutting process that:
- Eliminates heat-affected zones
- Preserves material microstructure
- Maintains edge integrity
- Supports a wide range of material types and thicknesses
Time studies and live demonstrations validated throughput expectations and showed how waterjet technology aligned with the customer’s operational and financial requirements.
The decision was made to invest in the right machine for the application.
Industry Insight: Process Selection in Aerospace
Aerospace manufacturers operate under strict quality standards where minor material changes can have significant implications.
Three factors make cutting-process selection especially critical in aerospace:
- Material Sensitivity
Alloys used in aviation often respond differently to heat input. - Downstream Process Compatibility
Cutting affects welding, forming, and finishing performance. - Compliance and Traceability Requirements
Process consistency and documentation matter as much as speed.
Choosing a cutting process without considering these variables introduces unnecessary risk.
A Practical Evaluation Framework
Before selecting a cutting technology for aerospace applications, consider:
- Are materials sensitive to thermal distortion?
- Will heat input affect downstream welding or forming?
- What tolerances are required post-cut?
- Is flexibility needed across thickness ranges?
- Does the selected process align with both budget and compliance standards?
Cutting speed is important — but material science matters more.
Final Thought
In aerospace manufacturing, the wrong cutting process doesn’t just slow production.
It can compromise quality, compliance, and long-term reliability.
The right process is the one aligned with material behavior and application demands — not industry trends.