The best plan for paperboard production - Upgrading of corrugating equipment (2)

The device of Figure 3 is often used to obtain dry, hottest face paper. Before entering the rear section, the top cylinder drives the water side up, the regular paper strip enters the bottom cylinder, the paste line and the wet side Relying on the cylinder, water vapor helps the heat transfer, so the hottest and most dry paper is obtained. The amount of paste is most appropriate. When entering the rear part, you may need to add a file as shown in figure 3 if necessary. Fully enclose the tape guide to increase the friction of the single-sided tape. In this design, idleness seems to need to be moved or attached in order to obtain a higher degree of winding.

Above the posterior part of the paste, the penetrator must be moved through the guide while using the two preheaters on the upper paste.

When used to make double-layer corrugated cardboard, a third preheater can be suitably used.

This is an ordinary single-sided winding. The double-sided tape is wound under the idle winding, and the side to be processed is faced toward the heat source, bypasses the top of the cylinder, and drives the water in the top paper to the side of the paste line. The face paper tape surrounds the 36, the preheater, and the face paper faces the preheater. This preheater is also applied to the anti-warping treatment. As already mentioned above.

Note: In the fourth figure, the single-sided tape loosely surrounds the 18” upper gluing machine preheater. This is helium; it is normal, but it occurs when loose winding is done on the 36′ preheater. Occasionally occurs on the 18′ upper paster preheater. When such a quiet condition exists, the expected bad heat transfer will occur, resulting in a cardboard warp.

To correct this situation, the tightness should be increased when the single-sided tape is sent out of the guide bridge. When the tightness increases too much, it may be that the cardboard edges are curled upwards. When this happens, the bottom-side paper can be increased. Tightness is corrected.

This is an ordinary double-layer corrugated paper winding. Note that the bottom sheet is wrapped around the preheater, with the paste line facing the preheater. Dewatering white paper, this type of winding can be applied to single-sided paperboard, according to the fourth figure can be applied to double-layer paperboard, usually, the winding method of Figure 4 is best for lighter paper .

The operation of this type of corrugating machine is of an experimental nature and as a result of so many changes, it will involve a number of incorrect experiences.

Note: The code on the pedestal, as shown in Figure 5, has not been adjusted properly. The code must be adjusted to the quasi-matched paper clips. If it is opened too large, there will be no slurry valve. If it is too tight, it will damage the single-sided tape, damage the paper clips, and flatten the plane.

One of the simplest methods is to increase the parallelism of the code and move the machine slowly to adjust the squeegee. At point A and point B, remove one piece of the model at the same time. The clamp should hold the same position. If the code is parallel, the reading at point B will be less, but the same position will be clamped on both sides. If not, the lower side can be measured and corrected.

When the machine is in production, the thicknesses of B and A should be equal, and the gap between the travel code and the upper paste wheel should not exceed the point.

(Author / Tang Zhiyong Hangzhou Taihua Packing Co., Ltd.)
Source: "Cardboard Manufacturing Process Solutions" June 2005