Full Servo High-Speed Valve Bag Making Machine

1. Unwinding Unit

Hydraulic unwinding system supports large roll diameter up to 1.5m and heavy load capacity up to 1.2 tons

Pneumatic brake system automatically adjusts tension according to roll diameter for stable feeding

Automatic diameter detection with alarm function ensures safe and efficient operation

2. EPC & Guiding Unit

Ultrasonic EPC system with high-speed servo actuator ensures precise edge alignment

High-precision web guiding improves material stability during high-speed operation

3. Feeding & Traction Unit

Full servo-driven feeding system ensures accurate length control and stable material conveying

Pneumatic traction swing arm maintains constant tension and smooth feeding performance

Multi-spindle synchronous system allows independent control of each feeding section

4. Tracking & Positioning Unit

One-key color mark tracking system enables automatic positioning and correction

High-precision color mark sensor ensures accurate cutting and consistent bag length

Flexible switching between tracking mode and fixed-length mode

5. Forming Unit

Reinforced forming structure made of high-strength steel ensures stable bag shape and size consistency

Equipped with forming detection and anti-blocking system to ensure continuous production

6. Valve & Patching Unit

Automatic valve patch welding unit with temperature up to 750°C ensures strong sealing

Touch screen adjustment for valve position, bottom patch, and cover patch without manual intervention

Supports multiple bag types including extended and folded valve designs

7. Cutting Unit

Spiral cutting system with imported blades ensures smooth cutting, low noise, and long service life

High cutting precision improves final product quality