Can Indian toolmakers build the next generation of lightweight automotive parts? This question is becoming critical as vehicle lightweighting drives demand for increasingly complex tooling, demanding expertise in simulation, precision machining, metrology, automation, and process planning. While Indian tool rooms have made significant investments in advanced manufacturing technologies, roughly 34% of the country’s tooling needs are still met through imports. This article highlights how for Indian tool rooms, future competitiveness will be defined not just by machine capacity, but by their ability to integrate these capabilities into a robust manufacturing ecosystem.
India’s current dies and moulds market is worth roughly INR 23,600 crore and is growing at a healthy double-digit pace, yet close to 34% of its tooling demand is met through imports from China, South Korea, Japan, and Taiwan, while only about 15% of India’s tooling output reaches export markets such as the US, Spain, Mexico, and Germany. This reflects an industry where growth in demand 36 need more machines”. This narrative is gradually changing. Indian tool rooms have spent two decades must be matched with investments in technology, skills, and capabilities. The transformation underway in the auto industry is therefore not just a question of capacity expansion; it is equally about capability development.
That difference matters more than it may seem. For years, the answer to “why do we import so much tooling” has centred on some version of “we buying 5-axis machines, adding high-speed spindles, and expanding the shop floors with CNCs. The shop floor isn’t the constraint anymore. What’s actually being tested is something harder to buy: the engineering judgement that sits behind the machine. And the real, on the-ground version of lightweighting, not the marketing one, is about to make that gap hard to hide.
Factors Quietly Influencing Indian Tool Rooms
- AI-assisted CAM programming and feature recognition are cutting programming time on repetitive die and mould geometry. They support die design judgement, not replace it.
- Automated electrode design is a genuine efficiency win in EDM-heavy mould work.
- Conformal cooling through additive manufacturing is a real, measurable cycle time lever for both injection moulds and hot-stamping dies. It is becoming more accessible in India as well.
- Hybrid tooling, AM inserts on conventionally machined bodies, is a sensible middle path for shops not ready to commit to full metal AM CapEx.
- Digital twins and closed-loop manufacturing are still early for most Indian tool rooms, but the direction is clear enough to start planning around it.
None of this replaces the capability layers. It only pays off for a shop that already has simulation, metrology, and skilled programming in place.
Lightweighting was Never Really about Lighter Metal
Discussions around automotive lightweighting typically focus on materials such as aluminium, AHSS, composites, and battery structures. However, from a tooling perspective, the impact extends beyond material selection.
What OEMs are actually asking for, translated into tooling language, is:
– Thinner sections, held to tighter tolerances.
– Higher structural performance per part.
– Fewer parts per assembly (consolidation).
– Faster cycle times.
– Lower energy consumption per component produced.
All these aspects eventually land on a tool room floor as a die or mould specification that’s just that much harder to achieve.
Consider it a chain reaction. AHSS pushes forming forces upwards and consumes through dies faster. Aluminium substitution causes galling and needs a rethinking of die material and coating. Thin-wall plastics make cooling one of the most critical aspects of mould design. Battery enclosures require larger, more precise machinery than most shops have previously manufactured. Part consolidation, which involves replacing multiple small components with fewer, larger ones, makes tooling technically more difficult rather than simpler. Multi-material joints demand dimensional accuracy that prior tolerance stack-ups never had to provide. The trend applies everywhere: lightweighting does not make tools lighter. It makes tooling difficult.
India’s Real Strength
Indian toolmakers have built genuine, decades-deep experience in injection moulds, sheet metal dies, progressive and transfer dies, and interior plastic tooling. Many of these are good enough for export quality. There’s real, growing fluency now in 5-axis machining, Moldflow, AutoForm, and Dynaform. Several Tier-1 suppliers are already making tooling that meets global benchmarks outright.
The recent developments back this up. For instance, various news reports have highlighted how Godrej Tooling has expanded its capabilities for large-tonnage die-casting dies aimed at EV battery housings and motor components, with EV-linked orders now forming 10–15% of its tooling revenue. Marelli had also issued a press release highlighting its partnership with Motherson to inaugurate India’s first dedicated automotive lighting tool room (MALT) in Noida, alongside its existing high-precision multi-cavity injection-moulding tool rooms. Even automotive intelligence platform S&P Global AutoTechInsight mentioned Sekisui Chemical’s investment of roughly USD 3 million in a new plant near Pune to produce injection moulded automotive parts locally, its sixth facility in India. Toyoda Gosei had also earlier issued a press release stating it was investing JPY 2.05 billion (~USD 14.5 million) to set up a plant in Karnataka for safety systems and interior components. None of these signals is small; they acknowledge the gap is being worked upon. Which is exactly why it deserves a sharper answer than “buy another machine”.
Where Does the Gap Actually Begin?
If we break it down by capability rather than material, it begins to become clearer.
Starting with machining itself, lightweight automotive parts are becoming more complex, with deeper features, thinner sections and tighter surface requirements. This leaves very little room for errors in die and mould design, machining and process control. The real question isn’t whether a shop owns a 5-axis machine; it’s whether it can hold that geometry reliably, shift after shift, which comes down to high-speed machining strategy, spindle speed selection, tool balancing, machine rigidity, and thermal stability.
Simulation now happens before a single chip is cut, including DFM, Moldflow, forming and cooling simulation, and springback prediction, because it’s far cheaper to catch aluminium’s springback or plastic’s cooling-driven warping on screen than on the shop floor. It’s moved from “nice to have” to the main way shops cut tryout costs and time.
Surface finish matters are significant too, because new materials gradually wear down dies in new ways. Polishing, nitriding, PVD coatings, and texturing now directly decide cycle time and tool life, not just part appearance. Treating surface finish as an afterthought may result in loss of tool life on aluminium and AHSS work, irrespective of how good the machining is. As parts get bigger and more consolidated, tolerances tighten and become more error-prone. CMM, laser scanning, and digital inspection aren’t back-office checks anymore; they’re how you prove a tool is good.
And automation, unattended machining, robot loading, and tool monitoring are becoming standard. OEMs expect it because shops now compete on throughput and consistency, not just tool quality.
Questions OEMs will Actually Ask by 2030
Historically. tool rooms have been asked a simple question: Can you build this tool? That question is shifting into something much harder to answer with a quote and a delivery date. For instance:
1. Can you help reduce part weight, not just manufacture to print?
2. Can you cut cycle time through tool design, not just faster machines?
3. Can you simulate before cutting a single chip?
4. Can you guarantee dimensional stability across the tool’s life?
5. Can you predict tool life instead of reacting to failure?
6. Can you hand over digital inspection data as a deliverable rather than an afterthought?
7. Can you absorb engineering changes fast enough to stay within the OEM’s own timeline?
That’s the real shift underway, from manufacturing capacity to engineering capability. A tool room that only answers the first question is competing for a shrinking slice of the market. The contracts tied to lightweighting programs are increasingly going to the shops that can answer all seven.
The Machine You Own Doesn’t Define Your Capability
Here’s the part that’s easy to miss and will prove expensive if ignored: owning the machine is not the same as owning the capability. Many Indian tool rooms now operate on advanced equipment from Makino, Yasda, Röders, Hermle, GF, and Sodick. That’s real capital, and it matters, but capability actually lives one layer above the machine. It’s in the programmer who understands collision avoidance on a 5-axis job, the fixture designer who can hold thin-wall geometry without distortion, the process planner who sequences operations for dimensional stability rather than just speed, the cutting strategy tuned to the specific alloy on the table, and the inspection routine that catches drift before it turns into scrap. Two tool rooms can own identical machines and turn out measurably different tools. That gap is capability, and it doesn’t arrive in a shipping container.
The Real Shortage is not About Operators Anymore
This might be the most consequential point in the whole conversation, because it’s the hardest one to solve with a purchase order. As automotive components evolve, die designers must increasingly account for AHSS forming forces, aluminium’s galling tendencies, and cooling-optimised plastic tooling. Programmers need expertise in areas such as 5-axis collision avoidance and adaptive machining versus running code off a template. Similarly, generative design and simulation-led iteration are becoming normal parts of the tooling workflow.
Most tool rooms will tell you that the current shortage isn’t of hands on machines. Before the machine touches a tool, the engineer decides how it should be created. Machines can be purchased in a quarter. This layer takes years to construct, and lightweighting is accelerating the need for these capabilities.
Where Investment Priorities Should Focus
In a rapidly expanding market, the natural tendency is to enquire about the next machine to invest in. However, the equally important question to ask right now is which skill provides the most ROI. Ranked roughly according to how quickly the payback appears: simulation software is first because it directly reduces tryout costs. The next step is CAM strategy and programming competence, which determines whether the machine presently on the floor is being used effectively. In-house metrology follows next; it’s what lets a shop prove quality, not just achieve it. Structured training pipelines are equally important, as they are the only long-term solution to the aforementioned engineering deficit. Automation and machine monitoring ensure throughput as volumes grow. And digital process planning and knowledge management prevent capability from leaving the door when an experienced engineer quits or moves on.
Conclusion
India’s tooling industry has already proven it can build complex dies and moulds. The export numbers and the Tier-1 benchmarking make that case on their own. But the 34% import figure tells a story worth listening to: a market growing at double digits and still sending a third of its demand elsewhere, and lightweighting is exactly the kind of demand that exposes why. The next competitive line won’t be drawn by tool room size or machine count. It’ll be drawn by whoever brings materials understanding, simulation, precision machining, metrology, automation, and process engineering together into one coherent capability consistently enough that an OEM stops asking “can you build this” and starts asking “can you help us design what comes next”.
This article was published in TAGMA Times Magazine