Sharp Bottom Shopping Paper Bag Making Machine
PBSD-260/PBSD-350 full servo sharp bottom paper bag machine, speed 100–600 pcs/min. Automatically finish gluing, tube forming, bottom shaping, counting for kraft, greaseproof, medical paper shopping bags.(sharp bottom paper bag making machine, shopping bag maker, kraft food bag machine, fully servo paper bag equipment)
Introduction

PBSD Series Sharp Bottom Shopping Paper Bag Making Machine
This full servo sharp bottom paper bag machine is integrated automatic equipment for eco-friendly paper bag production. It supports both plain and printed roll materials including kraft paper, greaseproof paper and medical-grade paper.
The whole line automatically completes spray gluing, top gluing, tube forming, sharp bottom gluing, bag shaping and finished counting & collection without multiple separate processes. Equipped with Mitsubishi motion control system and closed-loop servo correction, it delivers stable high-speed running from 100 to 600 pieces per minute. Compact layout with simple parameter adjustment, ideal for food factories, bakeries, fruit stores and packaging manufacturers to produce disposable eco paper bags.
Core Structural Advantages
1.Intuitive Touch Screen HMI Control
All production parameters, speed and tracking data are visualized on the touch panel for one-click adjustment, low learning cost for new operators.
2.Imported Mitsubishi Motion & Servo System
Original Japan Mitsubishi motion controller matched with full servo motors, fiber optic communication ensures stable high-speed continuous operation.
3.German SICK Color Mark Photoelectric Tracking
High-precision color mark sensor accurately tracks printed patterns, guarantees consistent bag size and neat printing alignment.
4.Closed-loop Brushless Servo Web Correction
Auto edge correction reduces manual tuning time; no paper breakage or web offset during roll replacement or size switching.
5.Humanized Pneumatic Reel Lifting & Magnetic Clutch
Pneumatic paper loading device reduces labor; magnetic powder clutch delivers stable tension control for thin 45–80gsm paper.
6.Integrated Tube & Sharp Bottom Forming Structure
One-piece forming unit ensures uniform bottom gluing and neat sharp bag bottoms, greatly lowering reject rate.
Working Process
- Load raw paper roll via pneumatic lifting device
- Set bag size, speed and tracking parameters on touch screen
- Auto spray gluing + top gluing
- Continuous tube forming
- Sharp bottom gluing & shaping
- Automatic counting and finished bag stacking
Main Technical Parameters
Product drawing

|
Name |
Shopping Bag Making machine |
|
|
Type |
PBSD-260 |
PBSD-350 |
|
Cutting Length |
120-400 mm |
225-710mm |
|
Bag Length(L) |
100-380 mm |
215-700 mm |
|
Bag Width(W) |
80-250 mm |
80-400mm |
|
Insert size(G) |
20-110 mm |
0-110mm |
|
Ladder height |
12-20 mm |
15-18mm |
|
Paper bag speed |
100-600 pcs/min |
100-500pcs/min |
|
Paper Roll Width |
160-780 mm |
220-1050mm |
|
Max.Roll Diameter |
1000 mm |
1000mm |
|
Reel Inner Diameter |
76 mm |
76mm |
|
Paper thickness |
45-80 gsm |
|
|
Working gas |
≧0.12m³/min,0.5-0.8mpa |
|
|
Total Power |
12kw |
12 kw |
|
Weight of Machine |
3500 kg |
5000kg |
|
Overall Dimension(L×W×H) |
6000×1600×1800 mm |
6600×1800×1800 mm |
Note:
Actual running speed varies based on paper gram weight, glue type, bag size and operator proficiency.
Video Introduction
Below is the workflow of the paper bag machine.
Detail Image

Application Scope
- Catering Industry: Bread bags, fast food takeaway bags, dried fruit bags
- Retail Shopping: Kraft shopping bags, gift packaging bags
- Medical Field: Disposable medical paper packaging bags
- Supermarket & Bakery: Greaseproof food packaging bags
paper bag Sample


Packaging and Delivery
The whole machine is disassembled and packed with standard export wooden cases, with foam anti-collision protection inside. Moisture-proof and shockproof for long sea and air transportation. Delivery will be arranged strictly according to the signed schedule.


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