Glass
Industry overview
Glass is transparent and reflective, so a defect only shows under the right lighting geometry. Sidewall, rim and base are checked on containers and tableware; bubbles, scratches and stones on flat glass. Backlight, dark-field and line-scan set-ups are combined.
backlightdark fieldline-scanin-line rejection
14
Applications
GlassILLUSTRATIVE SIMULATION
- 01 Infeed
- 02 Sidewall
- 03 Rim
- 04 Reject
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Bottles, jars and tumblers arrive in single file from the annealing lehr.
- Inspected
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- Rim chip
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Glass
Applications
Glass11
Foreign-object inspection inside returnable glass bottles
backlightthrough-the-mouth base viewblob analysis
Glass tableware and food container inspection
backlightrotational imagingunwrapped image
Flat and automotive glass visual inspection
line-scanbright / dark fielddefect map
Washing-machine porthole glass defect inspection
dome lightrotational imagingdefect marking
Laser-mark accuracy test on drinking glasses (bubble method)
backlightblob analysisaxis-offset gauging
Pot-lid surface analysis and knob-hole quality test
dark-field lightingrobot-mounted camerabacklight
Bottle finish and closure inspection
ring lighttop-view imagingbacklight
Glass stress test
polariscopecrossed polarisationretardation map
Coating uniformity and pinhole inspection on coated flat glass
transmitted lightreflected colourdefect map
Screen-print inspection on automotive glass
backlightingline continuityband width
Diameter and wall-thickness measurement of glass tubes and ampoules
telecentric imagingdual-axis measurementinner and outer edges
Research-informed advanced applications01
Requirement-led project concepts02
Scenes are illustrative simulations; they are not customer references or performance guarantees.
Vision system design
Let us assess your application together
We test your sample in our laboratory and report on resolution, optics and lighting selection.