Mechanical engineering · CNC milling

Replacement part without a drawing: from scan to production

A customer brought a damaged aluminium part from a production line, without any documentation. The original manufacturer was not available. We created a digital model of the part and made a functional replacement.

3D scanningCNC millingAluminium
Replacement part made by CNC milling from a 3D scan

Brief

The customer’s production line was stopped because of one worn aluminium part. There was no drawing, no CAD model and no contact with the original manufacturer. The customer had only the damaged physical part and needed to replace it.

The part was also partly deformed by wear. Manual measuring would not capture all the curved surfaces, so the shape had to be captured digitally.

Solution

We scanned the part with a 3D structured-light scanner. From the captured data we created a parametric CAD model in Autodesk Inventor.

We sent the model to the customer for approval. Once approved, we milled the part from EN AW-6082 aluminium alloy on a CNC machining centre.

Why scanning and manufacturing in one place? The scan data is used directly for modelling and milling. The customer deals with one supplier and does not have to pass documents or the part between companies.

Result

The replacement part worked as a full substitute for the original, and the line could be put back into operation.

The customer then also ordered a spare piece and drawing documentation of the part, so that it could be ordered elsewhere in the future.

  • Material: aluminium EN AW-6082
  • Process: 3D scan, CAD model, CNC milling
  • Additional: drawing of the part for archiving

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