Hot Sale High Speed Three-Side Sealing Upright Automatic Zipper Bag Making Machine

This machine is excellently processed and assembled, with an aesthetically pleasing appearance and rational structure. The whole machine operates stably with low noise, features convenient zipper adjustment, accurate punching for stand-up bags, and high operating speed. It adopts PLC with four-servo traction control and computer-centralized temperature control, reducing power consumption. The main unwinding and dual stand-up gusset feeding utilize constant tension control, ensuring stable material feeding and accurate gusset punching. The mid-section tension floating roller adopts a dynamic compensation mode, minimizing vertical fluctuations during material feeding and achieving stable mid-section tension control. The transverse sealing and curved bottom hot knife for stand-up bags demonstrate excellent impression overlap consistency and stability.