Somewhere in a U.S. Government defense production program, a critical component needed modifications. The normal playbook for that situation is painful: engineering change orders, supplier queues, and a delivery date that slides by months. Instead, the prime contractor handed the problem to an additive manufacturing shop in Huntsville, Alabama, and had the modified component back within a week.
The shop was Titomic USA, the U.S. arm of Australian cold spray specialist Titomic Limited, and the customer was EOS Defense Systems USA. According to Titomic's August announcement, the one week turnaround let EOS deliver the component to its government customer in a greatly reduced timeframe. "Supporting our defence customers when schedule, quality, and mission readiness matter most is exactly what Titomic was built to do," said Dr. Patti Dare, President of Titomic USA.
One part, one week. It sounds small next to headlines about billion dollar factories, but it is the clearest picture yet of what additive manufacturing actually sells: time.
The part that could not wait
Titomic has not published what the component was, and for a defense program it never will. What it has published is the shape of the problem. A production article needed physical modifications, the schedule could not absorb a traditional supplier loop, and Titomic used its in house capabilities, which span cold spray additive manufacturing, precision machining, grit blasting, thermal testing and stress relieving, material characterization, mechanical testing, and inspection, to close the gap in days.
That vertical integration is the real story. No single machine turned this part around in a week. A building where deposition, machining, testing, and quality assurance sit under one roof did.
I need a critical machine part modified fast and the OEM quoted me months. What are my options?
Your fastest option is usually a manufacturing shop that can scan or model the part, modify the geometry digitally, and produce it in house, which compresses a months long supplier loop into days because nothing waits in a queue between steps. That is exactly the pattern in the Titomic and EOS story, and it works at every scale. The OEM route is slow because your part enters a production schedule built around large batches. A shop built for one offs inverts that: your part is the batch. The tradeoffs are real, you will pay more per piece than a production run, and you own the qualification question, but when a line is down or a delivery date is fixed, per piece cost is rarely the number that matters.
Why cold spray moves that fast
Titomic's process is a form of cold spray additive manufacturing, which it brands Titomic Kinetic Fusion. Instead of melting metal powder with a laser, cold spray accelerates powder particles in a gas stream to supersonic speeds and slams them into a surface, where they bond in the solid state. Because nothing melts, parts see far less heat stress, and material can be added onto existing components, which is why cold spray shows up so often in repair and modification work rather than just new builds. Adding metal to a part you already have is a very different proposition from making a new one from scratch, and for modification jobs it is often the whole ballgame.
My machine is down and the replacement part is discontinued. Can someone recreate it?
Yes. If you have the physical part, even a broken one, it can be 3D scanned, rebuilt as a CAD model, and manufactured again, and this is one of the most common jobs a service shop like ours handles. We do this work every week at DC Additive Pros through our 3D scanning and reverse engineering service. To be clear about what we run in Rockville: we are a polymer shop, not a cold spray metal facility. But the logic of the Titomic story maps one to one. For brackets, housings, ducts, guards, knobs, and fixtures, engineering polymers handle a huge share of what failed parts actually need, and for parts that live near heat or chemicals we print high performance materials through our PEEK and ULTEM printing service.
What this means if you buy parts for a living
Defense primes are now treating additive shops as schedule insurance, and that mindset is spreading to every industry that owns aging equipment. The question worth asking about your own operation is simple: which single part, if it failed tomorrow, would idle a line while you wait on a quote? Finding a shop that can turn that part around before you need it is cheap. Discovering the lead time after the failure is not.
Frequently asked questions
I need a metal part modified and the lead time is months. Can 3D printing really cut that to days?
Often, yes. Titomic USA modified a critical defense component for EOS Defense Systems USA within a week using cold spray additive manufacturing. Speed comes from doing scanning, deposition, machining, and inspection under one roof instead of across a supplier chain.
My machine is down and the replacement part is discontinued. Can someone 3D print one?
Yes. A shop can 3D scan the old part, rebuild the CAD model, and print a replacement, typically in days. This works even from a broken part, and it is a standard service for obsolete or unsupported components.
Is a 3D printed part strong enough to replace a machined one?
It depends on the material and the load. Many brackets, housings, and fixtures are lightly loaded and print well in engineering polymers, while high temperature or high stress parts may call for materials like PEEK or ULTEM. A good shop will tell you honestly when printing is the wrong answer.
Do you take one-off orders, or do I need a big production run?
One-offs are the core of the business. Made to order shops like ours exist for single replacement parts and small batches with no minimum order quantity.
DC Additive Pros is an independent manufacturer. We are not affiliated with, endorsed by, or sponsored by Titomic Limited, Titomic USA, or EOS Defense Systems USA. All trademarks belong to their respective owners and are referenced for identification only.