Evaluating the material thickness
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Take a fast scan of the assembled bottle and dropper together with METROTOM 1
2
In ZEISS INSPECT, create a clipping plane through the middle of the part to reveal internal geometries
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Create two inspections via I-Inspect: Material thickness on the CAD model and material thickness on the actual part
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Compare the inspections with a material thickness deviation inspection
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Adjust the legend to highlight key insights
In this case, there’s excess material thickness around the bottle neck and at the very bottom and a thinning trend towards the bottom on the outer wall. This information can be taken back to manufacturing to optimize their parameters and get closer to the intended design.
Evaluating tiny and unseen features
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Start with the CT volume of the dropper tip
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Since the part is rotationally symmetric, switch to the rotational view
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Change the view to get a cross-section through the nozzle and a rotational axis for a 360-degree view
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From here, do a few visual checks:
- Is the channel clear so liquids can exit the bottle?
- Are there any irregularities, such as dents or a lack of symmetry inside the nozzle?
- Is there a proper seal between the nozzle piece and the bottle body?
5
Go back to the STL digital twin and add the clipping plane back in
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To construct the elements of the dropper tip, like the nozzle channel and opening, use the function “construct cone”
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Use the angle check via I‑Inspect to evaluate all relevant angles at once
From here, it’s possible to inspect different other elements, like the angle between the center lines of the cones, the diameter of the nozzle opening and the surface profile of the bottle threads with color visualization
Watch the full video
ZEISS METROTOM 1 reveals what’s happening inside medical plastic parts, precisely, quickly, and non-destructively. Want to see the workflow in action? Watch our How-to video to learn more about inspecting the inside of medical plastic parts.
ZEISS METROTOM 1
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