Industry Insights and Technical Articles
Notes from real production lines: why SOP documents do not translate into execution, how to choose between the available detection methods, and how to validate results after go-live.
All technical articles
Practical articles on line SOP execution, process error prevention, missing-step alarms and production traceability, newest first.
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Strobe versus Continuous Light
The choice between continuous and strobe lighting is a choice about where the light comes from at the moment o…
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Camera Protection and Cleaning
A camera on a production line is exposed to whatever the process throws at it: dust from casting or grinding, …
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Line Scan Cameras
A line scan camera has a sensor that is one row of pixels, or a few rows, and it builds an image by taking a p…
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Depth of Field and Aperture
Depth of field is the range of distances over which the image stays acceptably sharp. It matters to a vision s…
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Record Retention and Retrieval
A traceability claim is only worth what the record behind it is worth. Asked to prove that a particular part w…
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Feeding Inspection Data into SPC
A pass or fail verdict is the end of a decision and the beginning of a datum. The station measured something t…
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When Defect Samples Are Scarce
A good process produces few defects, which is precisely the problem: the defect you most need to catch is the …
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Rules versus Deep Learning
The choice is usually presented as a matter of ambition, with deep learning as the modern option and classical…
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Where 3D Vision Earns Its Place
Most inspections are well served by 2D, and adding a third dimension doubles the cost, the data volume and the…
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Calibration and Drift
A camera does not measure millimetres. It measures pixels, and the conversion only exists because somebody est…
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Exposure and Motion Blur
Triggering decides when the shutter opens; exposure decides how long it stays open. Both errors end up in the …
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Triggering and Synchronisation
Most image quality discussions are about resolution, lens and light, but the verdict depends just as much on t…
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Popular articles
The most-read articles, for a quick grasp of SOP deployment and process error prevention.
- alarm fatigue Many visual SOP systems are not beaten by technical problems — they are muted by the floor. Once ala…
- visual SOP camera selection Camera selection for visual SOP is not the same as for product inspection. The subject is actions an…
- semiconductor die bonding Semiconductor packaging stations are characterised by high precision, fast cycle times and strict cl…
- wrong assembly alarms The most common reason a visual SOP project fails is not poor recognition — it is too many false ala…
- preventing skipped steps A skipped step and a missing operation are different problems. In a skipped step every operation was…
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