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Toothpaste cap inspection

Toothpaste cap inspection

Case History Shanghai Jiewei Automation Technology Co. Ltd

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Download: Toothpaste cap inspection
Your application
The customer needed to inspect toothpaste caps to find cosmetic defects in the production process such as scratches, dents or chips. An all-round inspection was required given the random position of the defects.
OE® Imaging solutions
For customers that need to inspect at 360° small objects such as toothpaste caps, PCCD catadioptric lenses by Opto Engineering® are the perfect solution guaranteeing high performances avoiding complex and expensive multi-camera systems.
Our products
PCCD012
PCCD012
Pericentric catadioptric lens for 1/2" sensors
LTRN245 W35
LTRN245W35
Ring LED illuminator, inner diameter 143.0 mm, oblique type, white, 6300 K
360LIB Suite
360LIB Suite
Software library and stand-alone tools for the optimization of 360° view lenses setups
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Toothpaste cap inspection
Vision Experts
Contact an experienced Machine Vision technician

See also

ITALA® cameras for quality control of metal turned components ITALA® cameras for quality control of courtesy light projector modules ITALA G cameras for high-speed check of injector nozzles ITALA® cameras for high performance fasteners sorting machines ITALA G.EL for all-round inspection of vial caps

Tags

#FactoryAutomation #Inspection #Packaging #PharmaceuticalIndustry #Caps #CapsInspection #MachineVision #PackagingIndustry #ToothPasteCapsInspection #360° Optic #Vision #FA #Machine

The test setup

In order to perform 360° inspection of the object with a single image using a 1/2” camera, a PCCD012 catadioptric pericentric lens by Opto Engineering® (Figure 2 ) was selected. Since this lens can only image objects with diameters up to 25 mm, a dedicated attachment called PCCDLFAT was added to the lens to extend the maximum visible diameter up to 35 mm. During the feasibility study, the image was unwrapped using the 360LIB Suite, a powerful software specifically designed by Opto Engineering® to maximize the performance of 360° view optics. As for illumination, the choice fell on the LTRN245W35 white oblique LED ring light from the Opto Engineering® LTRNOB series.

Figure 2: Opto Engineering's PCCD series.
Figure 2: Opto Engineering's PCCD series.

The results

The PCCD pericentric lens is ideal to acquire a 360° view of the whole sample in a single camera shot. Production defects are perfectly visible both in the original image and in the unwrapped image (Figure 3). The very uniform illumination delivers good contrast across the whole field of view.

Figure 3: Images of the sample, original (above) and unwrapped (below): defects are highlighted in red
Figure 3: Images of the sample, original (above) and unwrapped (below): defects are highlighted in red

Why Opto Engineering®?

Thanks to the unique designs patented by Opto Engineering®, the exceptional build quality and the unmatched optical performance, 360° view lenses are the ideal choice for the all-round inspection of objects such as the toothpaste caps presented in this case. Avoiding multi- camera systems or movements of the sample/lens, these optics provide a simple yet extremely effective solution in many application fields. Moreover, Opto Engineering® has a worldwide Sales and Tech Support team that can help customers both in pre- and post-sale process, making sure that they get the best out of their vision systems.