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TRANSPORT-Transport 2025

3D scanning and reverse engineering algorithms in the railway sector

Alternativ tittel: 3D skanning og algoritmer for dekonstruksjon av deler i jernbanesektoren

Tildelt: kr 7,5 mill.

Prosjektnummer:

332002

Søknadstype:

Prosjektperiode:

2022 - 2025

Midlene er mottatt fra:

Organisasjon:

Geografi:

Dette prosjektet baserer seg på å utvikle utstyr og en metode for å 3d skanne en utgått del på et tog, og lage en brukbar 3d modell av denne. For å lage denne 3d modellen må det utvikles et program som kjenner igjen former, slik at det "skjønner" hva delen består av. Behovet for denne teknologien er økende i jernbanebransjen ettersom den norske tog-flåten blir stadig eldre, og togprodusentene stopper å produsere reservedeler. Teknologien utviklet i dette prosjektet vil gi en vedlikeholdsleverandør muligheten til å skanne en utgått del og lage en 3d modell som så kan brukes til å 3d printe eller maskinere ut en ny lik del. De har da mulighet til å reparere toget, slik at vi alle fortsatt kan reise kollektivt.

The transport sector, including rail, depends on rapid access to spare parts so that transport services can be delivered with the required regularity. Original equipment manufacturers (OEMs) guarantee supply of spare parts only for a limited number of years and have long lead times. Lack of competition implies a high cost for spare parts even when they are accessible. Technical information, including detailed parts documentation, is often withhold. Ageing fleets of trains where parts obsolescence is commonplace often make it difficult to keep vehicles in service. The project goal is to establish a reverse engineering workflow from physical parts to well behaved CAD models facilitating rapid manufacturing of replacement parts as well as a library of digital replica and tools for training personnel and efficient maintenance of components. Two prototype products are envisioned: A precise, automized and user-friendly photogrammetry scanner, and a tool to enhance point cloud data to CAD models compatible to the ISO 10303 format STEP and fit for subsequent use. The latter will be mainly automatic but require user input for quality control. Algorithms for reverse engineering have a long history, but the tools used for industrial applications are far from automatic. Selecting and extending new and existing algorithms and workflows to rise the user friendliness and degree of automation involve challenging research. To integrate the new tools in the maintenance work, the right parts to be reverse engineered must be selected. The results will be consolidated in a roadmap starting from part selection to reverse engineering of parts.

Budsjettformål:

TRANSPORT-Transport 2025