Automatic Double-Layer Four-Line T-Shirt Bag Making Machine

Double-layer, Four-line, Bottom Sealing Bag-making Machine has such functions as photoelectric automatic tracking, microcomputer length setting, high limit stopping, automatic counting, automatic alarm on reaching the set value, and high compensation accuracy. With characteristics such as neat bags, little error, and high automation of the whole machine, it is an ideal equipment for producing blank bags, color bags, flat bags, vest bags, etc., and other various plastic soft packaging bags.

Compared to high-capacity models like the six-line version, the four-line system offers balanced output with simpler operation and easier maintenance, making it suitable for enterprises aiming for high efficiency with moderate investment.

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Performance

Why Choose Our Automatic Double Layer Four Line T-Shirt Bag Making Machine?

This machine combines automation, precision, and durability. It features photoelectric automatic tracking, microcomputer length setting, and a smart alarm system for accurate operation. The bottom sealing mechanism ensures that every bag is sealed uniformly, reducing material waste and increasing production stability.

By integrating multiple bag-making steps—feeding, sealing, cutting, and conveying—into a single streamlined workflow, the Automatic Double Layer Four Line T-Shirt Bag Making Machine significantly improves production efficiency. It is especially well-suited for customers looking to scale their bag production capabilities with minimal labor intervention.

Learn more about our full line of plastic bag making machines.

Explore compatible packing solutions for your application.

Key Features & Benefits

1. Fuselage structural design is streamlined.

2. No material, blocking bags automatically shut down.

3. Microcomputer control, stepper motor prop material (optional servo motor control system)

4. The temperature error is small, bag length can be adjusted freely buttons.

5. Photoelectric tracking, stopping automatically when the label is lost.

6. Feeding, back cover, cutting, notching, conveying one time.

7. High degree of automation, good economic returns.

Use: This machine is suitable for white bags, color bags, flat bags, vest bags, etc.

Main Technical Parameters

Model	FR-DFR-650C	FR-DFR-800C	FR-DFR-900C	FR-DFR-1000C
Max. Width	200mm*4	280mm*4	350mm*4	400mm*4
Max. length	600mm	600mm	600mm	650mm
Photocell	1	1	1	1
Cutting Thickness	0.009-0.020mm	0.009-0.020mm	0.009-0.020mm	0.009-0.020mm
Bag Output	10-150Piece/minute*2	10-150Piece/minute*2	10-150Piece/minute*2	10-150Piece/minute*2
Main Power	1.5kw	1.5kw	1.5kw	1.5kw
Feeding Motor	300w*4	300w*4	300w*4	300w*4
Power supply	50HZ220V+10%-15%	50HZ220V+10%-15%	50HZ220V+10%-15%	50HZ220V+10%-15%
Weight	1200kg	1250kg	1350kg	1400kg
Overall Dimensions	6500×1200×1800（mm）	6500×1400×1800（mm）	6500×1500×1800（mm）	6500×1600×1800（mm）

For technical support and service options, visit our after-sales service center.
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This Automatic Double Layer Four Line T-Shirt Bag Making Machine is a trusted choice for packaging companies, factories, and distributors aiming for precision automation and scalable production.