EPISODE · Jun 10, 2026 · 9 MIN
How a French Train Factory Used Digital Twins to Cut Rework by Half
from The Manufacturing Economy with Fexingo: Factories, Industrial Output, and Domestic Production · host Fexingo
Alstom's factory in La Rochelle, France, has been building trains for over a century. In 2023, it began deploying digital twins — a virtual replica of the entire production line — across its assembly of the TGV M and RER NG trainsets. The result: a 50 percent reduction in rework and a 20 percent improvement in first-time yield. Lucas and Luna walk through how a legacy factory with manual welding and cable routing adopted simulation software, the three specific bottlenecks the digital twin identified, and why this matters for any manufacturer trying to close the gap between engineering design and floor reality. They also discuss the cultural shift: veteran line workers who had never touched a tablet became the project's biggest champions. This episode is about one factory's concrete experiment, not a general trend piece. #Alstom #LaRochelle #DigitalTwin #TrainManufacturing #ReworkReduction #IndustrialSimulation #TGV_M #RER_NG #LeanManufacturing #Industry40 #FrenchIndustry #ManufacturingPodcast #FactoryAutomation #FirstTimeYield #WorkerUpskilling #Economics #BusinessPodcast #FexingoBusiness Keep every episode free: buymeacoffee.com/fexingo
What this episode covers
Alstom's factory in La Rochelle, France, has been building trains for over a century. In 2023, it began deploying digital twins — a virtual replica of the entire production line — across its assembly of the TGV M and RER NG trainsets. The result: a 50 percent reduction in rework and a 20 percent improvement in first-time yield. Lucas and Luna walk through how a legacy factory with manual welding and cable routing adopted simulation software, the three specific bottlenecks the digital twin identified, and why this matters for any manufacturer trying to close the gap between engineering design and floor reality. They also discuss the cultural shift: veteran line workers who had never touched a tablet became the project's biggest champions. This episode is about one factory's concrete experiment, not a general trend piece. #Alstom #LaRochelle #DigitalTwin #TrainManufacturing #ReworkReduction #IndustrialSimulation #TGV_M #RER_NG #LeanManufacturing #Industry40 #FrenchIndustry #ManufacturingPodcast #FactoryAutomation #FirstTimeYield #WorkerUpskilling #Economics #BusinessPodcast #FexingoBusiness Keep every episode free: buymeacoffee.com/fexingo
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How a French Train Factory Used Digital Twins to Cut Rework by Half
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