The paper machine designed for producing packaging and wrapping paper uses wood pulp board, waste paper, timber, bamboo, rice straw, bagasse, and other pulps at 50 to 300g/m² to produce the paper. The machine is primarily used to make Kraft paper, corrugated paper, cardboard paper, and more. The breadth of the web to be converted is 1092-3300mm. The design capacity of the packaging and wrapping paper machine is 10-150t/d.

This packaging paper machine is designed for both a single story or 2 story plant lay out. It comes in a variety of models, including the 1092, 1575, 1760, 1880, 2100, 2400, 2880, 3200, and 3600. The number represents the web breadth. It can also be equipped with a relevant device, according to paper grammage, machine speed, output, and other parameters.

1. 3600mm type Paper Machine
Technical Parameters
Paper variety: Kraft paper, corrugated paper, cardboard paper
Grammage: 50~300g/m2
Working speed: 350m/min
Design speed: 500m/min
Capacity: 75~100T/d
Rail distance: 4700mm
Driving method: AC Variable frequency speed control, sectional drive
Machine type: Heavy square box type, with left and right machine available
Standard: International export standard

Main Structure
1) Headbox
This Kraft paper machine is supplied with an open headbox that consists of the taper pipe, stepped diffuser, rectifier roll and box. The top and lower lips of the slice are made of stainless steel. The top lip can be adjusted both fully and locally.

2) Forming Section (Wet End)
The fourdrinier table comes with a length of 20,000mm. With the exception of the bearing block, which is made of aluminum alloy, the table frame is completely welded from structural steel, and externally covered by a layer of 1.5mm stainless steel. The forming section of the corrugated paper machine consists of the breast roller, forming board, foils, suction boxes, vacuum couch roll, table roll, corrector, wire lightener, and edge warping device.

3) Press Section
The press section is comprised of a vacuum suction pickup roll and three suction rolls. The paper from this section comes with a dryness of 40% or more.

4) Dryer Section
The cardboard paper machine is equipped with 30 φ1500mm dry cylinders in the dryer section. They are arranged in a 6 6 6 6 6 mode. In each group, there is a cooling cylinder, driven by five dry felts.

5) Calender and Winding Machine
The paper machine for packaging and wrapping paper uses a three roll calender and horizontal paper winding machine.

6) Drive and Control Section
The paper machinery uses an AC variable frequency sectional drive system and an all-digital closed loop control system.

2. 2400mm Kraft Paper Machine

Technical Parameters
Paper variety: Kraft paper, cardboard paper
Grammage: 80~350g/m2
Breadth: 2400mm
Working speed: 80-120m/min
Capacity: 40~55t/d
Rail distance: 3400mm
Driving method: AC Variable frequency speed control, sectional drive
Machine type: Square box type frame

Main Structure
1) Forming Section (Cylinder Mold)
This section consists of three Φ1500mm×2850mm stainless steel cylinder molds, three Φ450mm×2850mm couch rolls and one Φ4500mm×2850mm turning roll. Shore hardness of rubber is 380±2.

2) Press Section
The paper machine is provided with a Φ600mm×2850mm stone roll, a Φ550mm×2850mm rubber roll, a group of doctor blades press and a reducer in the press section.

3) Dryer Section
The dryer section comes with two Φ2500mm×2850mm dry cylinders and three Φ1500mm×2850mm dry cylinders. The arrangement mode of the cylinders is 1 1 3. In addition, there are two Φ550mm×2850mm touch rolls, pneumatic pressure device and dry felts.

Three Cylinders and Three Felts

4) Winding Machine
The paper machine is designed with cylinder type paper winding machine.

5) Drive and Control Section
The paper machinery applies an AC variable frequency sectional drive system and an all digital closed-loop control system.