Characteristic of the Automatic 3/5/7 ply corrugated cardboard production line：
- The 3/5/7 layer corrugated cardboard production line is the key production equipment for corrugated carton box production enterprises, which includes several important components such as wet end equipment, dry end equipment, and production management system.The corrugated board production line is composed of the following machines: Electric /hydraulic shaftless mill roll stand, pre-heater, single facer, overhead conveyor bridge, double pre-heater, gluing machine, double facer, Thin blade slitter scorer, NC cutting machine, and stacker, heating system, air compression system and glue making system, etc.
- Use corn starch glue to corrugate and glue craft paper rolls, continuously produce, cut, crease and cut into 3/5/7 layers of corrugated cardboard, and then convey, stack and output.
- The production line has reasonable structure design, advanced production process, Higher productivity efficiency, better paperboard quality, strong batch adjustability. Using a central control system, simple and convenient operation, convenient repair and maintenance, reliable and safe, and greatly reduced the labor demand.
- The effective width of corrugated cardboard is 1400mm-2500mm, and the production speed is 70m/min-300m/min, flute type: A,B,C,E,UV flute. It is an ideal equipment for corrugated paper box manufacturers.
- High speed automatic corrugated cardboard production machine, Work continuously, is suitable for a large number of highly automated production, and can produce high-quality corrugated cardboard.
- High-Quality Production Line: The 3-7 ply corrugated cardboard production line is designed to produce high-quality corrugated cardboard with a maximum speed of 300m/min and crosscutting accuracy of 1mm, ensuring uniform speed and precision.
- Wide Range of Industries: This production line is applicable to various industries, including hotels, garment shops, manufacturing plants, and food & beverage factories, making it a versatile solution for businesses with diverse needs.
- Long-Lasting Components: The core components, including the gearbox, pressure vessel, pump, gear, bearing, engine, motor, and PLC, come with a 1-year warranty, ensuring durability and reliability.
- Comprehensive Support: A video outgoing-inspection and machinery test report are provided, giving customers confidence in the product’s quality and performance.
Flute type details:
| Flute type | Flute height | Flute in 300mm | Paper shrinkage rate(%) |
| A | 4.6+-0.2 | 34+-2 | 1.43-1.52 |
| C | 3.6+-0.2 | 40+-2 | 1.37-1.46 |
| B | 2.6+-0.2 | 48+-2 | 1.33-1.39 |
| E1 | 1.5+-0.15 | 74+-3 | 1.25-1.32 |
| E2 | 1.3+-0.1 | 82+-3 | 1.21-1.28 |
| F | 0.7+-0.1 | 126+-6 | 1.15-1.23 |
| G | 0.5+-0.1 | 152+-8 | 1.10-1.21 |
Technical Parameter of the Automatic 3/5/7 ply corrugated board production line：
| Effective width | 1400-2500mm |
| Design produce speed | 100-250m/min |
| Maximum order change speed | 80m/min |
| Longitudinal separation accuracy | ±1mm |
| Cross-cutting precision | ±1mm |
3 ply corrugated board production line:
Main Configuration of the corrugated cardboard production line:
| Model | Name | QTY | Feature |
| HB-I | Hydraulic Mill Roll Stand ( with trolley and track) | 5 | Main shaft diameter is 242 mm，double curve heavy rocker arm, tooth clip,mulitipoint brake,hydraulic lift，left and right translation. Guide rail length is 6000 mm, the car uses 10 mm plate welding |
| SP-1- 900 | Pre-heater | 4 | The roller ￠900 mm, including the pressure vessel certificate; electric adjustment angle; angle can be adjusted within the range of 360 ° |
| 320CR | Single Facer | 2 | Corrugated diameter is 320 mm, 48CrMo high quality alloy steel; Adopt independent gearbox, universal joint drive structure; Airbag ballast structure, PLC automatic control glue; Steam heating |
| SP-3-900 | Triplex Pre–heater | 1 | The roller ￠900 mm, including the pressure vessel certificate; electric adjustment angle; angle can be adjusted within the range of 360 ° |
| CGM-F | Gluer machine | 1 | Glue roller dia. Is 269 mm，carved 25 line pit type checker；Each layer of the independent variable frequency motor drive, glue clearance controlled by PLC and man-machine interface; Glue quantity of digital display. |
| OHB | Duplex Conveying Bridge | 1 | Main girer is 200 mm box iron，independent frequency conversion motor drive paper transport, adsorption tension. Electric correction. |
| HPM | Double Facer | 1 | Hot plate 600 mm * 16 pcs; press rollers lift by pneumatic，compressed press rollers structure |
| FTKM | Thin Blade machine | 1 | Blade adjust by electric， 5 blade 8 line，Adopt tungsten carbide knives |
| NC-150 | NC Cut–Off | 1 | Full AC servo control, braking is energy storage type, spiral cutter structure, oil-immersed gear transmission, a 10.4 -inch touch screen display. |
| SMA | Sheet delivery machine | 1 | Electrical adjust the size of cardboard，cardboard transverse output controlled by pneumatic |
| ZJZ | Glue Making System | 1 | Customer supply |
| ZA | Internal Steam System | 1 | Steam system components adopt GB valve; Contains rotary joint, up and down distributor , drain valve,steam trap and pressure gauge, etc.; Boiler and piping supply by customer |
The usage of the corrugated cardboard production line:
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