■SPECTRA HR - Japan Quality
The high-resolution SPECTRA HR product inspection system offers the highest image resolutions for high-speed evaluation. This makes it the optimal system for high demands such as those of the Japanese pharmaceutical market, which requires visually flawless products due to cultural conditions, as consumers perceive external minimal defects as serious reasons for rejection.
The colour system continuously distinguishes 16 million colours even in three-shift operation at high-speed. For Japan Quality Product Inspection, a water-cooling system is employed to keep the cameras at optimum temperature. Offering the same resolution at high speed,
this enables the detection of minimal flaws and tiny defects.
■Inspection Criteria and Objects
- Hard and soft gelatine capsules
- Special forms
- Sealed products
Smallest contaminants such as e.g.
- Painting defects
- particles on the tablet or lacquer
- Surface defects
Additional examination criteria:
- Serial defects
■Advantages of the Japan Quality Application
Hardware and software are selected with the demands of the Japanese market in mind. Japanese goods in general are subject to very high standards of uniformity and standardisation. The consumer’s critical eye, thus sharpened, also questions the correctness of the processes and thus the product as such in the case of external flaws. Thus, the appearance of the product becomes just as decisive a criterion for producers for the Japanese market as harmlessness and efficacy.
As a result, the following characteristics become grounds for rejection:
- Paint defects
- Particles on tablet or lacquer
Critical quality defects requiring a recall:
- Contamination with hair
- Contamination with non-production particles
■Software Adaptations for Japan Quality Inspection
The software works in real time thanks to the use of QNX®. All functions can be used simultaneously – without any loss of speed. Outstanding software functions, such as production and format documentation, comprehensive audit trail, easy-to-understand menu-guided operation.
Since even the slightest reflections are problematic during product inspections in Japan Quality, the measuring line enables reliable and reproducible adjustment of the W-LED illumination. The measurement line can also be used vertically when the camera images of several cameras are displayed
are displayed one below the other.
Camera-specific colour tolerances have a negative effect on the colour evaluation. The software feature “Colours per camera” ensures that the colour values are defined separately for each camera during teach-in in order to capture these camera-related deviations and enable accurate evaluation. The operator works comfortably on a single image.
The presence of a hair is recognised by the system as foreign colour and leads to ejection. The detection performance depends on the inspection area and resolution. A product with minimal contaminant such as paint defects or flaking is reliably detected and ejected by SPECTRA HR.
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■ Application-specific Hardware
In order to speed up evaluation, the scanware Frame Grabber conducts image pre-processing tasks.
Cascading multiple 3CCD cameras is of paramount importance to achieve the necessary image resolution. The multiplexer developed by scanware assembles the images; evaluation occurs based on a single image.
To make sure that the cameras retain the constant result established during qualification, a water-cooling system is installed.
■Further Applications of SPECTRA HR
■Post-Seal Product Inspection in Japan Quality
Inspection from below and after sealing can also be easily implemented with SPECTRA HR. The illumination is adjusted with side light and matching backlight to minimise reflections.
This successfully detects the following defects:
- Tablet powder even on the underside
- Foreign bodies on the foil
■Technical Data - Hardware
- 3 CMOS, JAI
- Camera Link interface for low-interference data exchange of large amounts of data
- Camera resolution: 3x 2064 x 1544 pixels / 3x 3.2 Mpx
- Colour resolution in 16 million colour shades
- Installation of 2 to 6 cameras