The mechanical industry is undergoing a phase of accelerated technical transformation. With the growing adoption of digital twins, new traceability requirements for parts, and the rise of low-carbon materials, changes are happening simultaneously on multiple fronts. The report “Priority Technologies in Mechanics 2030,” coordinated by Cetim and Mecallians, lists no fewer than 34 technologies deemed crucial for the sector’s competitiveness in the medium term.
This landscape is not limited to the automotive or aerospace industries. It concerns all mechanical industries, from precision machining to assembly, including maintenance and production flow management.
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Digital Twins at the Workstation: Beyond Machine Simulation
The concept of the digital twin is not new. What is changing is its granularity. Several manufacturers are now deploying workstation-centered digital twins, rather than just focusing on the machine or production line. The goal is to model the gestures, tools used, and micro-logistics flows to reduce setup and changeover times.
In 2024, Safran Aircraft Engines presented a feedback on the use of this approach for assembling its LEAP engines, in collaboration with Dassault Systèmes via the 3DEXPERIENCE platform. The results focus on reducing non-conformities and operator training time, two major cost factors in aerospace assembly.
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For precision machining workshops, this evolution is a game changer. When the digital twin integrates the workstation, it becomes possible to virtually test a new assembly or a tooling change before any physical intervention. Professionals following these developments can discover actumecanique on Actu Mécanique to stay informed about concrete applications in the sector.
Traceability of Mechanical Parts: What the New Regulatory Requirements Change
EASA (European Union Aviation Safety Agency) updated its guidelines on component traceability in 2023-2024. The text explicitly mentions sustainable digital marking technologies (Direct Part Marking, laser-engraved DataMatrix, high-temperature RFID) as acceptable means of compliance for safety-critical mechanical parts.
A condition accompanies this acceptance: the manufacturer must demonstrate that the marking does not compromise the structural integrity of the part. This technical point is not trivial. On components subjected to fatigue stresses, poorly positioned or overly deep engraving can become a crack initiation point.
The same logic is beginning to appear in the railway sector. This convergence between sectors signals an underlying trend: digital traceability of parts is becoming a regulatory requirement, no longer just an internal organizational choice.
Marking Technologies and Workshop Constraints
The choice between laser-engraved DataMatrix and high-temperature RFID depends on the context of the part’s use. Laser engraving is suitable for environments where optical reading remains possible. RFID takes over when the part is visually inaccessible or exposed to extreme temperatures.
For machining workshops, integrating marking into the production flow raises practical questions:
- Does the marking occur before or after heat treatment, and what impact does this have on code readability?
- Is the marking cycle time compatible with existing production rates?
- Does automatic marking verification (immediate re-reading) require an investment in additional sensors?
Field feedback varies on this point depending on the size of the batches and the type of parts involved.
Low-Carbon Materials and Green Steels: Where Does the Mechanical Industry Stand?
The TPM 2030 report identifies green steels among the priority technologies. The term refers to steels produced with a reduced carbon footprint, either through the use of hydrogen in the ore reduction process or through increased recycling via electric arc furnace.
However, the adoption of these materials in mechanical workshops remains at an early stage. Several reasons explain this caution:
- The mechanical properties (machinability, fatigue resistance, hardness) are not always documented with the same level of detail as for conventional grades.
- The procurement cost remains significant compared to conventional steels.
- Sector certifications (aerospace, automotive, railway) require lengthy qualification campaigns before any change in raw material.
Regulatory pressure and the expectations of clients regarding carbon footprint are nonetheless accelerating the movement. Mechanical subcontractors who anticipate the qualification of these grades are positioning themselves for a competitive advantage in the medium term.
Digital Metallurgy and Manufacturing Process Simulation
Digital simulation of metallurgical processes (heat treatment, forging, casting) is progressing towards finer integration with actual production data. Cetim is working on what it calls “digital metallurgy,” meaning the ability to predict a part’s behavior in service based on a complete simulation of its manufacturing chain.
This approach directly interests machining workshops. If the simulation ensures that a forged then machined part will meet its tolerances after heat treatment, the number of scrap and rework decreases measurably. The link between simulation and online quality control then becomes a concrete productivity axis.
The available data does not yet allow for precise quantification of gains across the entire sector. The first documented applications mainly concern critical parts in aerospace and energy, where the unit cost justifies the investment in simulation.
The French mechanical industry, with Cetim and the Mecallians network, has a technological watch infrastructure covering these topics. The next step for many workshops is to identify which of these technologies, among the thirty listed in the TPM 2030 report, meets an immediate operational need rather than a long-term promise.