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Evaluate undefined edges (ISO 13715)


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Hi

We have various parts where edges are specified using as undefined edge according ISO 13715. For example on stamped metal part there should be a additional process removing any burrs. 

From the mesh data, is clearly visible, that material is removed.

Is it possible to verify the material removal is in the specified range between 0.02 and 0.4? How would you do this?

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  • 10 months later...

Import the mesh data and define the reference edge per ISO 13715. If possible, import a CAD model without burrs as a baseline. Measure the distance between the reference edge and the mesh data, checking if the removal falls within 0.02 mm to 0.4 mm. For example, if distances are 0.03 mm, 0.25 mm, 0.41 mm, and 0.15 mm, points 1, 2, and 4 meet the criteria, while point 3 exceeds it. This ensures compliance with ISO standards and maintains part quality.

I hope this helps. 

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 sorry but i dont think this is as simple as raymond is suggesting.

3d data acquired by any means will not have  sharp edges ( i.e. Always some radius even on an effective knife edge ) as a pre cursor so id treat your output with some caution 

Simple surface deviation plots will not help here.

I think it would be something like radially defined sections around the edge then taking a touch contact 45 degrees to the edge onto this section to attempt to quantify material removal.  This maybe a little tricky to set up in a nice way.

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Hi, 

To be honest, I think that your equipment to aquire data don´t have resolution enough to evaluate this edges. 
 

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