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In-line quality control for concrete blocks & pavers
HESS
INLINE QC
Fully automated, contactless, in real time—right on the production line.
Optical Quality Control
IN-LINE QUALITY CONTROL
FOR CONCRETE BLOCKS & PAVERS
The HESS Inline QC is a fully automated, non-contact, real-time quality control system—operating inline on the wet side without interrupting the production flow. It inspects every production batch using surface inspection and immediately displays defect images, key metrics, and trends. This allows operating personnel to respond immediately—for example, by adjusting the mixing ratio or machine settings.
Integration & Analysis
The analysis runs seamlessly within the familiar machine visualization interface; in addition, a display unit can show all relevant production metrics and error patterns “at a glance.” Comprehensive statistics and trend analyses support data-driven decisions and help reduce the scrap rate and maintain consistent quality.
What else is possible
When used in combination with a weighing station, it is possible to determine not only height and volume but also density. Defects, colors, and grain sizes of the stone surface are recorded and made available for analysis.
Inline QC (with 3 scanners) | |
| Detection area w x l (mm) | 1,500 x 1,450 |
| min. product height (mm) | 25 |
| max. product height (mm) | 500 |
| Precision of geometric measurement (mm) | 0.5 |
| Maximum detecable chamfer depth (mm) | 150 |
| min. detectable size of lift-offs and (edge)break-outs (mm²) | 1 |
| min. recognizable crack width (mm) | 0,5 |
| Number of pixels of the camera system | 8,000 |
| Number of 3D points per scanner | 2,000,000 |
| AI-supported defect detection | included |
| Color evaluation | included |
| Surface structure evaluation | included |
| *The values were determined under test conditions and may vary under other conditions | |
HIGHLIGHTS
- Real-time in line inspection: contactless, fully automatic, no production stop, directly on the wet side.
- Instant feedback for operators: defect images, KPIs and trends support fast corrective actions in mix and machine settings.
- Integration & evaluation: displayed within the familiar machine visualization; key production figures and defect visuals “at a glance”.
- Consistent quality, less scrap: statistics and trend analyses support data-driven process optimization.
QUALITY AT LINE SPEED
FULL-SURFACE INSPECTION
The system scans each layer across the entire
width and length, covering the full product surface,
including edges and corners.
AI-SUPPORTED DETECTION
Advanced algorithms differentiate real surface defects from harmless contamination, ensuring reliable classification for every block and paver.
REAL-TIME VISUALIZATION
Height and color deviations are displayed instantly through color maps, enabling operators to react immediately and maintain consistent production quality.
WE PUT
CONCRETE
INTO SHAPE.
HESS GROUP
Freier-Grund-Straße 123
D-57299 Burbach-Wahlbach
SERVICE CONTACT
Whether for inquiries for inspections and maintenance, for individual plant optimizations or extensions, or spare and wear parts
SERVICE SUPPORT
Our service is at your disposal for all questions
For spare parts request please contact: +49 2736 497 6690
For hotline support +49 2736 497 6247
© 2026 HESS Group GmbH