Вплив конструктивних особливостей механічних приводів рулонних друкарських машин на точність суміщення фарб

The article presents a detailed study of the design features of mechanical drives of roll-wrap printing machines and their influence on the accuracy of color matching in multi-color printing, which is a critical factor in ensuring high quality printed products. The study analyzed the key factors that affecting the stability of printing machines, in particular, the dynamic characteristics of mechanical drives, geometric deformations of printing unit components, as well as the level of vibration generated in actuators during operation. The work identified the main sources of printing defects caused by insufficient accuracy of ink matching due to structural defects of mechanical drives, and assessed the impact of low-frequency vibrations and thermal-mechanical deformations on the stability of printing systems, which allowed us to identify the main areas for improving drive designs to increase their efficiency. On the basis of the results obtained, the need for a theoretical model of the movement of the conveyor elements, taking into account the dynamic characteristics, the geometric features of the drive designs and their impact on the accuracy of the ink transfer process, has been demonstrated. The work developed a system of differential equations that allows not only to predict the behavior of printing systems under various conditions, but also to optimize their operation in accordance with modern requirements of the printing industry. The introduction of hybrid drive systems that combine mechanical and electronic components is proposed, which contributes to a significant reduction in the level of vibrations and an increase in the accuracy of ink matching. In addition, it is recommended to modernize existing drive systems using numerical modeling algorithms, which will allow automating the ink transfer process and ensuring stable operation of printing machines in a wide range of modes. The results of the study provide a scientifically sound basis for further improvement of the designs of web-fed printing machines, which will contribute to improving the quality of printed products in accordance with modern requirements and industry standards.