WFD-400A

The WFD-400A is a cutting-edge, roll-fed square bottom paper bag machine designed for high-volume manufacturing. Ideal for the food industry, retail packaging, and paper bag manufacturers, this advanced machine produces durable, eco-friendly bags without handles efficiently and reliably.

Why the WFD-400A Stands Out

Fully Automated Operation: Integrates paper feeding, tube forming, cutting, and bottom forming into a seamless process, reducing labor costs and downtime.

Precision and Accuracy: Equipped with a photoelectric detector, ensuring every bag meets exact dimensions, even with very thin paper.

Advanced Japanese Control System: Powered by YASKAWA servo motors, providing stable operation and consistent high-quality output.

Key Features

Paper Material Feeding & Conveyance

Roll-fed with automatic lifting function for quick paper roll changes

Unwind air shaft with hydraulic lifting control

Automatic tension control for smooth and consistent feeding

Paper Bag Forming

Precision gluing and tube formation

Four-cornered square bottom forming with accurate glue application

Bags ready for collection or downstream processing

Finished Bag Collection

Presses and conveys finished bags smoothly

Integrated automatic counting for inventory and packaging management

Technical Specifications

Specification Details

Bag Dimensions (L × W × Bottom Width) 280–530 mm × 150–330 mm × 70–180 mm

Paper Thickness Range 60–150 gsm

Maximum Production Speed Up to 200 bags per minute

Paper Roll Width 470–1050 mm

Paper Roll Diameter Up to 1500 mm

Machine Power 38V, 8 kW

Machine Weight 8,000 kg

Machine Dimensions (L × W × H) 9.5 × 2.6 × 1.9 meters

Benefits of the WFD-400A

High-speed production for large-scale bag manufacturing

Reliable, precise output with advanced sensors and servo control

Roll-fed system minimizes downtime during paper roll changes

Consistent food-grade and retail packaging quality

Supports eco-friendly kraft paper production, helping businesses achieve sustainability goals

Ideal For

Flour mills & food packaging companies

Retail packaging manufacturers

Paper bag producers looking to expand capacity

Businesses aiming to replace plastic bags with sustainable alternatives

Upgrade your paper bag production with the WFD-400A – efficiency, precision, and sustainability in one machine.