Method for detection of occurrence of printing errors on printed substrates during processing thereof on a printing press

US8613254B2 · kind B2 · utility

Assignee

• KBA-NOTASYS SA · CH

Inventors

• Volker Lohweg · Bielefeld, DE
• Johannes Georg Schaede · Würzburg, DE
• Thomas Türke · Lonay, CH

Key dates

• Filing date: Nov 21, 2006
• Grant date: Dec 24, 2013
• Expiry date: Jul 4, 2030

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41F33/0009
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

There is described a method for detection of occurrence of printing errors on printed substrates during processing thereof on a printing press comprising the steps of providing multiple sensors on functional components of the printing press to monitor the behavior of the printing press during processing of the printed substrates and performing an in-line analysis of the behavior of the printing press to determine occurrence of a characteristic behavior of the printing press which leads or is likely to lead to occurrence of printing errors on the printed substrates or which leads or is likely to lead to good printing quality of the printed substrates. In-line analysis of the behavior of the printing press preferably includes performing fuzzy pattern classification of the behavior of the printing press. According to one embodiment of the proposed method in-line analysis of the behavior of the printing press is coupled with an in-line optical inspection of the printed substrates.