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HPINet Web Inspection System – DIRT Count

Accurate dirt detection, imaging and classification all play a crucial role in quality control and process improvement for pulp production. ABB’s Dirt Count web imaging system meets today’s demands for increased quality and runnability with 100% inspection of pulp and reduced customer claims.

Real-time defect detection
Using high resolution CMOS digital cameras together with advanced machine vision tools to improve performance, the Dirt Count System provides an exceptional level of real-time defect detection on the fastest and widest modern paper machines. Real-time detection of dirt and shives in pulp allows operators to take corrective actions earlier, resulting in improved production yield, improved quality and reduced customer claims.

Defect size classifications to ISO/TAPPI/ANSI standards
Dirt detection and analysis are performed by specialized, high-speed FPGA devices. Automated detection and counting yields consistent and repeatable results leading to improved grading of production. Defects as small as 0.02 mm2 may be detected which enables ABB’s Dirt Count System to fully comply with all defect size classifications of ISO/TAPPI/ANSI standards. Connectivity to mill-wide systems and integration with ABB P&P automation systems ensures that defect data can be acted on at the quality management and process control levels.

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Features Benefits
Real-time dirt detection, counting and analysis. Allows operators to take correction actions earlier, resulting in improved production yield and quality. 
Dirt count functionality resides within the camera beam. Full web coverage for 100% inspection of production.
Detection, classification and reporting defects as small as 0.02 mm2 Size classification conforms to TAPPI/ISO standards or customer-defined limits.
Dirt detection and analysis are performed by specialized, high-speed FPGA devices. Automated and operator- independent detection/counting - yielding consistent and repeatable results.
Intuitive user-interface
Operators can monitor real-time dirt count trends and take correction actions.  
Unique system architecture for real-time and online dirt count analysis.  Handles the high processing loads associated with dirt count while, in parallel, continuing to deliver reliable defect detection.
Connectivity to mill-wide systems and integration with ABB QCS systems. Ensures defect data can be acted on at quality management but also at QCS process control levels.

Setting new standards
ABB’s Dirt Count System sets the new standards in web imaging systems to optimize quality for the paper industry. Since 1970’s, ABB has delivered over 1300 Web Imaging Systems around the world. The system is supported by ABB’s commitment to service our products over an extended lifecycle and by an unmatched global network of highly trained personnel. HPINet WIS Dirt Count proactively monitor key KPI’s to warn of impending problems before they occur and to support the engagement of ABB experts independently of their location.

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