The Best Plan for Paperboard Production - Upgrading of Corrugated Equipment (1)

How to upgrade the tile line equipment to achieve high output and low consumption

Adjust and upgrade existing equipment

With the increasing progress of the international packaging industry, continuous upgrading and replacement are the primary choices for many business owners. The high-margin packaging market has been far away from us. At present, it is faced with fierce competition and low profits, which has caused many owners to have a headache. I saw the cargo carts of my colleagues around us shipping. They were booming. How could I dilute for a few days a day? The scraps were sent to the waste station for three days and two days. The cartons were dumped, soft, blistering, and bent. Wrinkle, ribs, poor adhesion, inaccurate delivery, ECT, FCT and other issues are complained to the CEO of the company. The owners of the cardboard industry have said that they have worked hard, and the solution is often to reduce the speed, increase the weight of the base paper, purchase inferior additives, and add counterfeit accessories. In my opinion, it may not be so difficult, as long as you thoroughly improve on the following points.

â– The quality of the improved paperboard mainly depends on: (1) excellent corrugated type; {2) high-quality steam supply; (3) the pasting temperature of the starch paste must be controlled within the effective range; (4) the fiber quality of the base paper; 5) The quality and skills of operators must not be ignored;

â– Eccentricity of corrugating roller should be accurately adjusted normally. Usually we can use A4 fax paper to fold the middle folder of a carbon paper (steam is best 4kQ-5kQ, then the pressure of corrugated is adjusted to 2.5kg), the slow running machine will clamp The papers are placed on both sides of the corrugated medium, and whether the extruded corrugated shape becomes a second line or not, the corrugated waist must be white-to-white symmetrical, and the corrugated line is the same thickness as the line;

â–  The fineness between the pressure wheel and the lower corrugated, usually about 20 silk {is the thickness of 120g burdock);

â–  The gap between the paste wheel and the lower corrugated iron is about 15 silk (that is, the thickness of the 80gA4 fax paper);

â–  The paste wheel is about 35 network lines, paste wheel and paste wheel to do a high speed when the wire is about 10 wire -12 wire, low speed is about 16 wire -18 wire, according to different speeds at any time adjustment (preferably changed to PLC monitoring system);

â–  When the customer requires strength, hot cylinders are best contacted in multiple areas in spring, summer and autumn.

After the above points are corrected, you can see what the difference is and your production line will experience new growth points.

Yesterday after the reform and opening up, there are not many genuine corrugated cardboard production lines in the country. At the same time, the product quality and equipment quality are also ignored. The material is generally made of cardboard with 180g corrugated paper, 200g sandwich, 230g facial paper. Both sides are full of fish teeth, bent like an arch bridge, put two days on some soft, with some additives will be better. I did not hesitate to talk to them. The CEOs will replace the 180g core tomorrow afternoon and replace it with a steel plate ("wave" or "楞").

However, thousands of tile lines have now been developed, and the technology has been constantly improved and updated. From tens of meters per minute to today's 200m to 400m per minute, if you still follow the previous work plan, the old Communist Party's management model, you can No headache? The 15 years of experience in paperboard production in large foreign-funded enterprises told me that at the first visit to the customer, they would look at the maintenance of the warm-up wheel and the equipment. The facts tell me that 95% of the corrugated preheating cylinders are rusted; the dust is a few centimeters thick, never add oil all year round, and the bearings dry up. Can we get out of good cardboard in this case? I would like to ask Experts and predecessors of the same industry, even if they use imported base papers, add a higher weight, they may not be able to make good cardboard. So why does the manufacturers of corrugated irons use preheated cylinders with a diameter of 1100mm or more? How do you not use preheated cylinders with a diameter of 300mm or 500mm? In this case, manufacturers are not saving a lot of cost, improve the quality, and smooth high-speed production?

How to wear paper, get the best corrugated and preheated surface

Based on my industry experience, the technical operator of the tile line was introduced to strictly implement the steps of paper-drawing method for reference by peers. This device is used as a cardboard for making thicker paper, and the cardboard made at high speed can get the best quality.

Surrounding as shown in Figure 1, water can be driven from the paper, and the higher temperature is obtained on the side of the paper where it is fused, used in 175 to 250 g single-ply paper. This winding method has been used in many devices. To prevent warpage, to adjust the moisture remaining in the single-sided tape, to complete the effective control, the need for paste may be smaller, and it is applied to the past machine on the upper part of the machine. If there is a problem with this type of winding method, Figure 2 A lower temperature is shown on the side of the paper paste line, making the paper more susceptible to applied paste.