The RZJD-G250J flat bottom paper bag machine with printing inline integrates flexographic printing and flat bottom bag-making processes into a single production line. From roll paper unwinding and graphic printing to finished paper bag output, the entire workflow is completed through a continuous production process. The printing unit and bag-making unit operate in coordination under a unified control system, reducing intermediate transfer steps between printing and bag making in traditional production. This makes the overall workflow more compact, helps reduce paper loss during material handling, and improves the continuity and efficiency of flat bottom paper bag production.
In terms of material adaptability and printing-forming coordination, the machine demonstrates good compatibility with a variety of commonly used packaging paper materials and can meet the production requirements of flat bottom paper bags in different specifications. The printing unit ensures more even ink distribution through coordinated operation of the ink transfer and doctor blade structures, enabling clear and stable graphic presentation. During the transfer process between printing and bag making, paper transport is continuously managed by tension and positioning systems, maintaining stable web movement during continuous operation. This allows printed graphics to align accurately with the bag structure, reducing finished product variation caused by paper misalignment.
In terms of operation and structural design, the machine is equipped with a touch-screen human–machine interface, where printing and bag-making parameters are displayed centrally for unified adjustment and control. Printing plate replacement and bag specification adjustment are relatively simplified, helping reduce production preparation time. The overall machine adopts a modular structural layout, with the printing unit and bag-making unit relatively independent in structure, making routine inspection and maintenance more convenient. Key transmission components are designed with consideration for durability and long-term operating requirements, enabling the machine to maintain stable performance under continuous industrial production conditions. This makes it suitable for scaled production of customized flat bottom paper bags.
About Ruizhi Machinery
Ruizhi Machinery leads the way in eco-friendly packaging solutions, committed to a sustainable and innovative future. With over 20 years of expertise, our paper bag machines are recognized globally for their unmatched efficiency and reliability. Trusted by customers in over 120 countries across Europe, America, Asia, and Africa, our products set the standard for quality and performance. For more information about Ruizhi Machinery, please visit www.mted.com or www.wzruizhi.com
