Nikon’s transfer into additive manufacturing was not a sudden departure from cameras into fashionably futuristic territory, in response to Hamid Zarringhalam, chief government of Nikon Superior Manufacturing. It displays the corporate’s lengthy industrial lineage, stretching from optics and glass by semiconductor lithography to at present’s steel 3D printing ambitions.
Zarringhalam spent greater than three many years in Nikon’s semiconductor enterprise and frames additive as a logical continuation of that experience. The lithography programs that supported many years of Moore’s Regulation, he mentioned, embedded capabilities in precision movement, optics, management electronics, metrology and supplies understanding that now underpin Nikon’s AM technique. “These machines are a number of the most refined programs on the earth,” he mentioned. “On the coronary heart of that know-how is the mixing of modern optics, precision gear, excessive metrology and even materials characterisation.”
Heritage to {Hardware}: Why Nikon Sees AM as a Pure Extension
He describes additive as a part of a wider push into digital manufacturing that Nikon started exploring a decade in the past and dedicated to 5 years again. Early inner initiatives led to acquisitions, notably SLM Options, a service enterprise that grew to become Nikon’s engineering and manufacturing providers arm, and the creation of a consolidated Superior Manufacturing division. Nikon has invested round one billion {dollars} within the push up to now.
Financially, the digital manufacturing phase stays modest relative to the group’s scale. Zarringhalam mentioned first-half income final yr was beneath $100 million however materially above $65 million. Virtually all of that income, he added, is generated by additive manufacturing, and inside additive it’s dominated by powder mattress fusion programs. Directed vitality deposition and restricted subtractive capabilities play supporting roles.
Defence, House and Aviation: The place Demand Is Hardening
Exterior situations have strengthened Nikon’s conviction. The corporate noticed defence demand as one of many decisive accelerants. Western governments are attempting to rebuild industrial capability after many years of consolidation and underinvestment, whereas battle and geopolitical stress have highlighted weak factors in current provide chains. Typical processes similar to forging and casting can’t be expanded simply sufficient to satisfy demand, notably for brand spanking new weapon architectures.
Zarringhalam argues that additive is already proving vital in areas similar to warmth exchangers and propulsion elements the place geometry, thermal efficiency and weight targets collide with the boundaries of legacy manufacturing. “The traditional provide chains of casting and forging are merely not there to deal with the gaps,” he mentioned. “Superior weapon programs want superior manufacturing.” Nikon expects related structural demand from area and aviation, the place engines designed with additive in thoughts ought to start to enter service quantity in the direction of the tip of the last decade.
Scale and Put in Base: From Demonstrators to Industrial Fleets
A lot of Nikon’s pitch rests on scale. The corporate positions itself on the large-format finish of steel printing, with SLM’s 12-laser programs already deployed in important numbers. Zarringhalam confused that these aren’t demonstration items. “Now we have the one industrialised machine that may print 600 by 600 by 1.5 metres utilizing 12 lasers,” he mentioned. “It isn’t a PowerPoint factor. Now we have round 80 of those working as a fleet.”
Industrialisation stays the unresolved benchmark. Zarringhalam is blunt about how far the business nonetheless has to journey. Solely a tiny fraction of steel elements globally that might be produced additively are literally manufactured that means, and he sees true maturity as tied to licensed, repeatable, excessive quantity manufacturing runs. Medical units and a few area functions qualify, however the wider market doesn’t but. Aviation and defence, in his view, are shifting closest. As soon as 1000’s of equivalent elements are specified as printed by default in main programmes, then the label industrialised will probably be justified.
Nikon is cautious about declaring a clear breakpoint the place steel additive manufacturing turns into “industrialised”, but Zarringhalam factors to a rising physique of arduous targets from governments and prospects. He highlights language within the newest US Nationwide Protection Authorization Act, which incorporates round 20 pages on superior and additive manufacturing and units a requirement for 1 million elements to be produced utilizing additive processes by the tip of 2026. The element remains to be fuzzy. “I don’t know if meaning 1 million totally different elements, or 300 elements many occasions,” he mentioned, including that such volumes nonetheless characterize an early stage. For him, the extra significant signal will come when ubiquitous elements, similar to aero engines, use printed elements because the plan of document reasonably than a particular case. “When one thing that’s ubiquitous, like an engine, is additive by default, that’s after we are industrialised.”
Price range knowledge factors in the identical route. Evaluation of the US fiscal 2026 finances request suggests roughly $3.3bn of programmes embody an additive aspect, a rise of 83 per cent on the earlier yr’s accepted degree. For Nikon and its friends, this can be a structural sign that additive manufacturing is being written into procurement and functionality planning reasonably than handled as a discretionary innovation line merchandise.
Behind that development sits a sizeable put in base. In response to figures supplied after the interview, Nikon SLM Options has shipped about 1,100 laser powder mattress fusion platforms worldwide. Round 80 of those are the flagship large-format NXG programs, near 80 per cent of that are operating as fleets at single websites. Excessive utilisation sectors lengthen past defence into aerospace, aviation, automotive, and vitality, and Nikon says a majority of LPBF prospects are already working in serial manufacturing. Zarringhalam is dismissive of the concept such programs are nonetheless being handled as pilot toys. Referring to a buyer working six NXG machines at one location, he famous, “Individuals don’t purchase six machines to play with.”
A few of these environments have moved effectively previous prototyping tradition. Nikon sees prospects the place each put in system is dedicated to manufacturing, with machines operating across the clock and downtime handled as vital. In a single case, he describes, if a single system fails, the client’s line successfully stops as a result of there isn’t a spare capability and no standard various able to take the load.
On the identical time, a lot of that manufacturing is tightly constrained. State-of-the-art platforms are usually devoted to a single alloy and, typically, a slim envelope of elements. Operators hardly ever change materials on a machine due to the cleansing effort, downtime and qualification threat. Construct quantity additionally locks in utilization. Inside these constraints Zarringhalam sees each extremes. Some prospects repeat the identical certified geometry repeatedly on the identical gear. Others have the theoretical flexibility of multi-laser platforms, but nonetheless run them like older instruments. He cites a case, not involving Nikon, the place an finish person certified a component on a single-laser machine, then purchased a extra productive four-laser mannequin, however continues to print with only one beam to keep away from requalification.
Qualification: The Hidden Brake on Progress
The frequent thread is a testing burden that many within the sector now regard as the primary brake on progress. “One of many largest hurdles in industrialisation is qualification and testing,” Zarringhalam mentioned. Legacy castings and forgings have been typically designed half a century in the past and validated utilizing the metrology of that period. New printed elements should match that efficiency one-to-one, even when non-destructive analysis reveals higher defect profiles. He describes a case the place the additive model met all necessities and confirmed fewer, smaller defects than the incumbent half. The client hesitated regardless. “They mentioned, ‘I don’t know if it’s a good factor to have fewer defects or smaller defects than the opposite one’.”
Whereas civil aviation brings apparent justification for excessive conservatism, he argues that the identical template is being utilized to elements whose threat profile could be very totally different, similar to expendable missile {hardware} or drone constructions. The result’s that promising functions stall in paperwork reasonably than on the store flooring.
Economics of Manufacturing: Pace, Price and Open Supplies Technique
Price construction stays equally application-specific. Zarringhalam is cautious of easy guidelines for what dominates the economics, pointing to supplies, put up processing and utilisation as three totally different levers. For Nikon’s personal programs, he focuses on price per kilogram of output and the productiveness of the printing step. The corporate has pushed construct charges by growing the quantity and energy of lasers on its flagship machines, with the NXG platform utilizing twelve 1kW lasers. Scanner efficiency, movement planning and improved general gear effectiveness are a part of the identical push. Nikon studies uptime of about 90 per cent within the discipline and has tried to trim unproductive intervals similar to knowledge switch, cooling and construct module change.
Layer thickness is one other dial. Nikon works with prospects on parameter units that use 90 micron or 120 micron layers the place tolerances permit it, and measures throughput in cubic centimetres per hour reasonably than easy elements per construct. That focus is mirrored on the powder aspect, the place suppliers have lowered prices by scale and higher course of management. Right here Nikon’s technique is to take care of an open supplies structure. “We don’t vendor lock,” Zarringhalam mentioned. “If there’s a enterprise case for a component in a selected alloy, any certified materials from any provider is suitable.”
The capital price of the {hardware} nonetheless looms giant on stability sheets. Zarringhalam says most prospects depreciate machines over 4 or 5 years, though they use them far longer. As soon as the e-book worth is written down, he argues, the marginal economics turn out to be engaging for operators which have secured dependable, high-margin programmes. The variation sits much less within the know-how itself than in every buyer’s mixture of elements, contractual phrases and willingness to push by the qualification bottleneck that also separates pilot success from widespread industrial
Turning to broader expectations round steel additive, Zarringhalam mentioned the sector has moderated its outlook considerably. Forecasts made a number of years in the past anticipated annual progress charges of about 26 per cent, but newer projections have settled nearer to 13 per cent. That shift displays three constraints that he believes the business underestimated: qualification and testing hurdles, the demanding economics of price per kilogram in extremely price-sensitive sectors, and macroeconomic headwinds similar to greater rates of interest and funding warning. “You can not underestimate adoption challenges,” he mentioned. “Issues die in qualification and testing. Economics matter. And macro situations slowed choices.”
Even with authorities funding rising, he cautions towards assuming speedy transformation. Programmes could allocate billions, but procurement cycles, certification procedures and organisational inertia gradual the conversion of budgets into printed {hardware}. He argues that expectations have to replicate the structural nature of commercial change reasonably than hype cycles. Nonetheless, he nonetheless regards present projections as wholesome. A sustained double-digit compound annual progress price throughout 5 years, he mentioned, is one thing most sectors would view favourably.
Know-how Path: LPBF Dominance and the Rise of DED
On know-how route, Nikon stays satisfied that large-format laser powder mattress fusion will proceed to anchor the market, supported by sturdy progress in mid-size platforms. Zarringhalam argues that LPBF’s precision, stability and high quality metrics match the necessities of aerospace, aviation, defence and high-performance automotive. On the identical time, he expects directed vitality deposition to broaden sooner from a smaller base, notably the place element dimension and construct price outweigh final precision. “There’s a place for mid-size machines, giant format, and ultra-large programs,” he mentioned. “DED is rising sooner from a smaller base and can turn out to be a significant a part of the panorama.” He sees persevering with innovation round pace, stability and accuracy throughout each classes, with customers matching know-how option to geometry, materials and financial case reasonably than any single doctrine.
What Will Truly Drive Adoption
Wanting ahead, the query of what limits adoption as soon as reliability matches conventional manufacturing leads again to fundamentals. Not all elements require superior manufacturing methods, he mentioned. Nails, brackets and plenty of commodity steel gadgets merely don’t justify the associated fee construction of additive manufacturing. Even when predictability improves, the deciding variables will proceed to be efficiency benefit, price competitiveness, scalability and responsiveness. Defence programmes spotlight one of the compelling long-term instances: restore, sustainment and speedy entry to spare elements. Legacy plane and ageing fleets face grounding dangers when conventional provide chains can not reproduce out of date castings or forgings. Additive gives a path to revamp, produce and qualify elements sooner, doubtlessly near the purpose of want.
For Zarringhalam, progress will come from such focused, structurally justified use instances reasonably than sweeping claims of disruption. If the share of steel elements manufactured additively rises from an estimated 3 per cent to six per cent globally after which to 12 per cent, the economic affect would nonetheless be profound. “If 6 per cent turns into 12 per cent, that’s doubling,” he mentioned. “I’ll take that.”
Industrialisation remains to be constrained by qualification burdens, economics, and institutional warning, but the route now seems structural reasonably than speculative. Nikon expects progress to come back from particular, high-value functions reasonably than guarantees of common disruption, and if steel AM merely doubles its world footprint, the economic penalties will already be important.
The 3D Printing Trade Awards are again. Make your nominations now.
Do you use a 3D printing start-up? Attain readers, potential buyers, and prospects with the 3D Printing Trade Begin-up of 12 months competitors.
To remain updated with the most recent 3D printing information, don’t overlook to subscribe to the 3D Printing Trade e-newsletter or comply with us on Linkedin.
Featured picture exhibits Nikon SLM Options at Formnext 2025. Photograph by Michael Petch.