Abstract
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.
Highlights
Maintenance is one of the areas of modern management used to increase machine productivity and to achive quality products
The quality and continuous improvement of products and production processes is the main objective of all managers of printing houses, out of the desire to market high quality and competitive end products, able to compete with other similar products
The paper presents the results of the study conducted in a medium-sized printing house, which works in 2 shifts of 8 hours each, starting from real problems derived from the production environment and analyzing the factors that influence the offset printing process
Summary
Maintenance is one of the areas of modern management used to increase machine productivity and to achive quality products. This obviously improves equipment efficiency rates and reduces costs [1]. The paper presents the results of the study conducted in a medium-sized printing house, which works in 2 shifts of 8 hours each, starting from real problems derived from the production environment and analyzing the factors that influence the offset printing process. The results of the study can be implemented directly within the company, to increase the quality of processes and products or can be taken as reference models for planning the activities of other printing processes and designing new products
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