ZX-C250 Roll-Fed Flat Bottom Paper Bag Making Machine

1. MACHINE PARAMETER

	Dimension	Parameter
1	Model	ZX-C250
2	Cutting Length	120-415 mm
3	Bag length	110-405 mm
4	Bag width	70-250 mm
5	Bottom width	0-120 mm
6	Standard flap	17 mm
7	Roll width	160-760 mm
8	Roll diameter	Φ1050 mm
9	Roll core diameter	Φ76 mm
10	Max. making speed	600 pcs/min
11	Paper Thickness	30-80 gsm
11	Film pasted	Yes
12	Film thickness	0.03-0.05 mm
13	Film Width	50-210 mm
14	Max film diameter	Φ500 mm
15	Film core diameter	Φ76 mm
16	Power supply	3 phase 380V
17	Total power	12 kW
18	Overal dimension	5850x1400x1650 mm
19	Machine weight	3500 Kgs

2. BAG SAMPLES

3.MAKING PROCESS

Fundamental Stages and Sequence of the Box Bag Making Process

4. MACHINE CONFIGURATION

Zhengxin Machinery is committed to ensuring stable coordination among all components of the complete machine, delivering reliable and long-lasting performance. The components and brands we select are the optimal combinations designed by our professional R&D team after extensive testing and verification. The configuration document details the quantity and brand of key components used in the machine.

Control system

Banda	Specification	Brand
CPU Program Controller	1 pc	Mitsubishi
Human-computer touch screen interface	1 pc	Flexem
Photoelectric eye for printed-bag tracking	1 pcs	Sick
Low-voltage apparatus	Multiple	Schneider
Photoelectric sensor	Multiple	Omron
Pneumatic component	Multiple	Pneulead
Servo motor	4 pcs	Mitsubishi
Host Server	1 pc	Mitsubishi
Pull off servo	1 pc	Mitsubishi
Traction servo	1 pc	Mitsubishi
Pre-piercing servo	1 pc	Mitsubishi
Switch buttom	Multiple	Schneider

Deviation correction & tension control

Banda	Specification	Brand
EPC controller	1 pc	Bianfu
Servo motor for EPC	1 pc	Bianfu
Ultrasonic sensor	1 pc	Bianfu
Magnetic Particle Brake	1 pc	Xitoy
Automatic Tension System of Magnetic Powder	1 pc	Bianfu
Feeding hydraulic cylinder	2 pc	Airtac

Transmission

Banda	Specification	Brand
Synchronous belt	Multiple	Gates
Synchronous wheel	Multiple	Xitoy
Bearing	Multiple	NSK
Guide roller	Multiple	Xitoy
Gear	Multiple	Xitoy

Glue position

Banda	Specification	Brand
Bottom glue (bottom-sealing white latex)	2 pcs	Xitoy
Motor for bottom glue evening	1 pc	Veichi
Pneumatic auto glue filling valve	1 pc	Xitoy
Side glue	1 pc	Xitoy
Glue Position Detection	1 pc	Omron
Hot Melt Spray Gun for Window Patching (optional)	2 pcs	Xinbaishun
High-pressure glue barrel for white latex	2 pcs	TW

As the machine undergoes iteration and upgrades, the components may be replaced with equivalent or higher-quality brands of the same level, without prior notice, while maintaining or improving overall performance. The seller reserves the right to make such substitutions.

5. 
   

   MACHINEFEATURES

This machine is designed to produce paper bags from rolls of natural-colored or printed paper, such as kraft paper and food-grade paper, completing the entire bag-making process in a single operation. It features automatic center-line gluing, printing, and bag-forming tracking. The process includes unwinding the roll, cutting to fixed length, bottom creasing, bottom folding, bottom gluing, bag bottom forming, and final product organization—all completed seamlessly in one cycle.

This machine offers easier operation, higher efficiency, and greater stability, making it an ideal eco-friendly paper bag manufacturing solution for producing various types of paper bags, including snack food bags, bread bags, dried fruit bags, and more. The features of machinne as follows:

1. Adopt touch screen andPC controlsystem, the work condition can be shown real time.
2. Equipped with accurate servomotor drive, it makes the machine run steadily and efficiently.
3. Materiallifting adopt pneumatic lift structure.
4. automatic constant tension control system. Thetensionwill be just right from beginning to end.
5. 5.The machine has automatic counting system.

6. 
   

   COOPERATIONPOLICY

Zhengxin Machinery provides comprehensive, end-to-end partnership services. Below is an overview of our key services and policies.

Included Accessories and Tools

We provide a complimentary toolkit for installation and commissioning to all purchasing customers, along with a series of spare parts free of charge.

Additionally, our consultants will furnish a list of recommended accessories for your consideration. Curated based on our extensive industry expertise, this recommended list includes consumable parts for timely replacement and other critical components to ensure you are prepared for any contingency.

Installation Requirement

Prior to machine installation, the Buyer shall prepare the necessary conditions and site in accordance with the following requirements and recommendations. This ensures the machine can be assembled promptly and completely, facilitating the commencement of subsequent operations.

1. Powersupply: 380V/50Hz, 3 Phase.
2. Airsupply: 7.5kWair compressor is suggested
3. Machinerunning space: Refer to diagrame of machine
4. The voltage stabilizermaybe required, depending on site power supply conditions.
5. Paperrolls provided for machine trail running after successful installation.
6. Engineeringsupport may be provided by our company based on client needs. Specific terms and conditions are as below “ Engineer on-site support”.

Engineer on-site support

The Seller may arrange one engineer to the Buyer’s factory to perform production line installation, testing, and training for the Buyer’s personnel. The entire installation and training process is estimated to take 7–10 days, subject to the Buyer’s specific requirements.

The Buyer shall be responsible for the following costs incurred by the engineer: visa fees, round-trip airfare, daily wages (USD 100/day), accommodation, local transportation within the Buyer’s country, meals, medical insurance, safety expenses, and any other relevant costs arising in the Buyer’s country.

Furthermore, the Buyer shall provide sufficient labor force to receive training on machine operation and production, as well as ensure the availability of necessary energy resources and installation tools required for machine operation.

After-sale service

The warranty period for the delivered equipment shall be 12 months from the date of the machine’s arrival at the Buyer’s factory. During this period, if any component is confirmed by the Seller’s technical personnel to be defective, the Seller shall provide a replacement part free of charge.

The aforementioned coverage excludes consumable spare parts, as well as components damaged due to normal wear and tear, improper operation, inadequate maintenance, or unsuitable production environmental conditions. Under no circumstances shall the Seller be liable for any production losses.

Packaging

In accordance with export standards, the equipment undergoes damage-prevention and anti-rust treatment prior to delivery to ensure integrity during transit. The specific packaging method will be determined based on the Importer’s transportation conditions.