Paper Bag Machine

For food,medical and other flat-bottom paper bag applications

Full auto high speed square bottom paper bag machine. 400 bags/min, 100-340mm width. Mitsubishi servo, SICK sensor. For snack, bread & dry fruit bags.

QUICK FACTS · LZ-JD350

Max Mechanical Speed200 bags/min
Bag Width Range150–430 mm
Paper GSM60–150 g/m²
Servo Motors7 × Mitsubishi (Japan)
ControllerMitsubishi CPU
Total Power41.5 kW · 380V
Machine Weight15,000–15,500 Kg

Why Choose This Machine

Cross-validated by customer deployments across food and apparel packaging industries. The sweet spot for most bag makers.

LZ-JD350 Flat Bottom Paper Bag

Flat Bottom Paper Bag Machine

The LZ-JD350 is a fully automatic sharp bottom paper bag machine with inline 4-color printing. It processes kraft, striped kraft, slick, food coated and medical paper rolls — puncture, side gluing, edge folding, bag forming, cut off, bottom folding, bottom gluing and output in one cycle. Max speed 400 bags/min, bag width 100–340 mm, paper 45–80 g/m². Features Fanyi HMI, Mitsubishi servo system, SICK colour mark sensors and hydraulic roll loading. Ideal for snack, bread, dry fruit and eco-friendly paper bags.

150–330 mm Bag Width
60–150 g/m² Paper Range
200 bags/min Max Speed
41.5 kW Total Power
15,000 Kg Machine Weight
14000×6000 Dimension (mm)

Paper Bag Forming Process

8 fully automated steps from roll stock to finished bag — all in one continuous pass.

Main Technical Parameters — Full Comparison.

Choose the right configuration for your production requirements. Both models share the same core technology platform.

Parameter Specification
Model LZ-JD350
Cutting Length 200 – 650 mm
Bag Length (L) 180 – 630 mm
Bag Width (W) 100 – 340 mm
Insert Size (G) 20 – 90 mm
Ladder Height 15 / 20 mm
Paper Bag Speed 30 – 400 pcs/min
Paper Width 220 – 1000 mm
Max. Paper Roll Diameter φ1000 mm
Paper Core Inner Diameter φ76 mm
Paper Thickness 45 – 80 g/m²
Working Air Supply ≥ 0.12 m³/min   0.5 – 0.8 MPa
Total Power 380V / 3Phase 4-Wire   24 kW
Machine Weight 4,500 kg
Machine Dimensions (L×W×H) 9,100 × 1,900 × 1,950 mm

Core Advantages

Six reasons to choose our paper bag machine for your production line.

Cost-Effective Investment

Industrial-level performance at a competitive investment cost.

High-Speed Production

Up to 600 bags per minute for efficient mass production.

Mitsubishi Servo Control

Equipped with Mitsubishi motion control and servo motors for reliable operation.

Precise Print Tracking

German SICK sensors ensure accurate registration for printed paper bags.

Automatic Tension Control

Maintains stable web feeding and reduces material waste.

Easy Operation

User-friendly touchscreen interface simplifies machine setup and operation.

Wide Application Range

Suitable for bakery bags, snack bags, coffee bags, grocery bags and food packaging.

Fast Reel Changeover

Hydraulic lifting system allows safe and efficient paper roll loading.

Eco-Friendly Packaging Solution

Supports recyclable paper packaging for sustainable markets worldwide.

Let Linz Pack take your business to the next level right now!

It's not just about having a great machine — it's about having a trusted, seasoned supplier who helps you build your production line and grow your profits. Let Linz Pack help you win.

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