In the printing industry, where production never stops, it is very important to continuously maintain machine performance. If a machine breaks down, the production will stop and it will disturb the production process. Therefore, the maintenance system must be managed efficiently to solve those problems. The paper presents the study results on continuous quality improvement of offset printing using preventive maintenance features. Offset printing is a process that involves a multitude of variables, independent and interdependent factors. The offset printing process was analyzed and the factors that have a significant influence on the quality of the process and the products made were identified. The defects that may occur during the printing process and the causes thereof have also been identified and the types of non-conformities of the end products were estabilished. The experimental method was used. The case study was conducted on Manroland 508. For the planning of preventive maintenance activities, the duration of the maintenance works necessary to ensure the proper functioning of the offset printing machines was established. Finally, maintenance activities that would guarantee and continuously improve the quality of the printing processes and the printed products were issued.
The development of information technologies has a strong impact on manufacturing systems, and the presence of the computer allows the efficient combination of various technologies needed for manufacturing into an integrated computer-controlled manufacturing system, which has also found utility in the printing field. The paper presents the results of the analysis of prepress, press (print) and postpress processes specific to printing companies in terms of integrated computer systems that make it possible to interconnect at the enterprise level. At the same time, were defined the stages, technological operations, procedures focused on the production structure through modern information and communication technologies. These represent goals of industrialization 4.0. Thus, functional and informational models, especially for prepress, were developed. The research methods involved in the study were observational, descriptive and correlational study. The results of the study indicate their usefulness to achieve high performance when raw printing materials are transformed into finished products.
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