Simple Analysis of Control Points for Water Content of Corrugated Cardboard
For the control of the moisture content of corrugated board, the following aspects should be controlled. 1. The moisture content of the corrugated paper into the factory should be in strict accordance with the standards of GB13023-91. 2. The storage temperature of corrugated paper after entering the factory shall be controlled at room temperature and the relative humidity should not exceed 40%. 3. The corrugated paper should be stored stacking vertically and the floor should be protected...
Classification of corrugated cardboard
Corrugated cardboard is made by bonding paper, paper, core paper and corrugated paper processed into corrugated corrugations. According to the demand for product packaging, corrugated board can be processed into single-sided corrugated cardboard, three-layer corrugated cardboard, five-layer, seven-layer, and eleven-layer corrugated cardboard. Different corrugated corrugated shapes and bonded corrugated cardboard have different functions. Even if the same quality of facial paper and paper is...
Corrugated cardboard packaging box for the purpose of waterproof moisture
Corrugated cardboard packaging box for the purpose of water and moisture, in fact, or to maintain the carton compressive properties, the paper received water erosion, corrugated collapse will occur softening phenomenon, greatly reducing the packaging security. However, most people understand that carton waterproofing is only a waterproof problem after carton forming, but it neglects the original moisture content of carton paper. In fact, controlling the moisture content of the corrugated base...
Corrugated cardboard factory price calculation per square meter
1. Composition of Corrugated Cardboard Corrugated board is mainly divided into three-layer corrugated cardboard, five-layer corrugated cardboard and seven-layer corrugated cardboard. The three-layer corrugated carton is mainly used for packaging lighter weight inner packagings. The three-layer corrugated carton is also called a single corrugated carton. The structure of the three-layer corrugated carton is a combination of two sheets of corrugated paper each with a face paper. The five-layer...
Corrugated cardboard longitudinal warpage
Controls warping in the vertical direction: 1. Reduce the drag force of the friction plate at the exit of the flyover; 2. Check the overpass pipe guide plate of the control paper gap; 3. If the overpass piles up, the amount of accumulation on the overpass should be reduced; 4. Reduce the brake friction on the preheater; 5. Correct the preheater and idler to allow it to rotate freely; 6. Use base paper with high tension. Control vertical warpage: 1.Under the influence of paperboard quality, use...
Corrugated cardboard shape effects in stacking
Cardboard stacking shapes are nothing more than four: single-row parallel stacking; double-row parallel stacking; well-shaped sub-stacking piling code; multi-row layered cross stacking code. The advantages and disadvantages are as follows: 1.Single-row parallel stacking Advantages: The board can be fully radiated up and down, and around four weeks; positive and negative ones can be used to make the cardboard smooth; Disadvantages: Cardboard center heat can not be distributed in a timely manner,...
Overview of Postprinting and Preprinting of Corrugated Cardboard
From Europe and the United States and other regions, corrugated board is the largest number of packaging products, the total amount of about 80 million square meters. About 90% of corrugated board needs printing. Since flexo printing is the main printing process that can be used, corrugated board is also the largest flexo printing market. The single-layer corrugated cardboard consists of a paper sheet on both sides of the original corrugated medium. Such a structure results in greater strength...
The role of rubber roller in the formation of corrugated cardboard
In order to ensure the strength and good adhesion of the corrugated board, the corrugated board should be adjusted according to the configuration of the corrugated board production line. 1. The corrugated forming is ideal when the moisture content of the corrugated paper entering the single-sided machine is controlled between 9% and 12%. When the corrugated paper moisture content is higher than the above indicators, it can be taken to increase the warm-up area or reduce the speed; when the...
Corrugated cardboard also often hit "immunity prevention needle"
Dry climate in autumn and winter season, corrugated cardboard loss of water often appear pressure line breakage, broken corrugated, molding difficulties and other undesirable phenomena; spring and summer rainy corrugated board will absorb excess water in the air, resulting in softening, compressive strength and other ills . With the change of seasons, corrugated board is also changing, because we ignore these changes, or did not cause our attention at all, let it attack, resulting in the spring...
Use Corrugated Cardboard to Improve the Quality of Accessories in Packages
The lining mats of various packages made of corrugated cardboard can be designed in various styles according to the needs of the objects to be packaged, and the need for product protection can be achieved by inserting and folding into various shapes. They have a good packaging effect and are usually the first choice for accessories in packages. Accessories made of corrugated board have simple processing technology, light weight and low cost, and can also be reused in the lower corners of other...
Analysis: Printing Corrugated Cardboard Control Method
Maintaining the moisture content of corrugated board is the best way to control the board burst. The moisture content of the corrugated board from the tile line is controlled between 12% and 18%, and the moisture content during the printing should be maintained at 10% to 13%. Due to some objective conditions, people often think that controlling moisture is not easy. Here, we will introduce some more effective methods: First of all, the traditional method of adjusting the processing technology...
Corrugated cardboard box compressive strength of paper on its impact
In most of the crushing formulas, most of them are calculated by using the base paper crushing strength. In fact, the crush resistance of the carton is not only the ring crush strength of the base paper, but also the impact of the paper on the crushing strength of the corrugated carton. Should include the paper's ring pressure strength, tensile strength, tightness, and the paper's waterproof and absorbent and so on. Paper test In the ring pressure test, the ring pressure test of...
Corrugated cardboard box compressive strength calculation method
The corrugated box strength standard, GB6543-86 national standard appendix G stipulates: Corrugated box compressive strength value P should not be smaller than the value calculated by the following formula: P=K·G(H-h/h·s)(kgf/ Cm2) Where: K-intensity insurance factor; G - Weight of cargo loaded in corrugated boxes, kgf; H-stack height, cm; H-box height, cm; S-box bottom area cm2. This formula can be simplified in practice as: P=K·G(n-1) Where: n-stacking number; K- depends on the length of...
Talking about the Grade Division of Corrugated Cardboard
The single-watt single-sided corrugated cardboard was invented by American engineer Athertl.jones in 1871 and was used as a buffer material to wrap fragile glass and ceramic ware. Later, after the improvement of oliver.long, a double-faced corrugated cardboard similar to that commonly used now is formed. Corrugated paperboard has good elasticity, strength and stiffness. Compared with traditional wooden boxes and metal barrels, the goods it uses to make cartons and carton packs show many...
Several problems that should be noticed in direct flexo printing on corrugated cardboard
The factors affecting the quality of corrugated board printing include plate making, equipment, materials, technology, and environment. 1. Prepress processing First of all, the original design should pay attention to the accurate use of color. For the packaging design of corrugated board flexographic printing, in the use of color, one must create various types of works that are elegant, or bold, or warm, or have a strong visual impact; Second, try to reduce the number of printing colors as much...
Corrugated cardboard box design
Corrugated design needs to be tested in the design of different factors and aspects, designed for different ways, according to the actual industrial methods and principles of control and use, first according to the contents of the characteristics of the transport environment and the choice of materials and the required strength To design 楞 type. At present, there are several kinds of single corrugated and multi-layer corrugated, and each layer has A, B, C, etc., which can be selected according...
Technical Analysis of Direct Corrugation of Micro-Corrugated Cardboard
The direct offset printing technology for fine corrugated board is maturing with the development of new fine and fine corrugated board, special blankets and inks. Offset printing is the most popular and most mature printing method in China, and the quality of printing is also widely recognized. We believe that this direct offset printing method will become a very strong marketing tool in China. However, this new technology is only applicable to fine corrugated cardboard, especially G-type and...
Single corrugated cardboard production line working principle
Corporate decision makers should pay attention to the following issues when choosing medium and high-speed corrugated cardboard production lines. First, do a good job of product market research is the basis for equipment selection Corrugated carton products are a type of products that are large in and large out. Considering the increase in shipping costs and the timeliness of delivery, the market area of such products is doomed to not cover too much. The market scope is usually locked within...
A Review of Postprinting and Preprinting of Corrugated Cardboard
The single-layer corrugated cardboard consists of a paper sheet on both sides of the original corrugated medium. Such a structure results in greater strength than the three-layered paper used, while also maintaining a relatively light mass at this thickness. Ordinary corrugated board types include G, F, E, B, C, and A, in which the G-type corrugated file has the lowest cassette height and the A-type corrugated file has the largest cassette file. Different twist heights combined with different...
How to configure high speed corrugated cardboard production line
Corrugated board production line is the basis for the production of cartons in the carton industry. The speed of the production line directly affects the hourly rate of the carton plant and the level of industrial output. Therefore, the economic benefits brought by the speed and slowness of the corrugated board production line to the cartons are different. Since China's accession to the WTO, the new situation, new requirements and new development have made China's packaging industry...
Application of Ink Flexo Printing in Corrugated Cardboard
As corrugated boxes are used to protect packaging products and promote promotional functions, corrugated boxes are required to have rich and colorful information that can attract the attention of consumers. This poses a challenge for the printing of corrugated cardboard. Flexo printing technology is the main printing method for corrugated board Corrugated paperboard has always been an indispensable material for manufacturing packaging containers because of its unique advantages such as light...
High-speed corrugated cardboard production line purchase considerations
First, do a good job of product market research is the basis for equipment selection Corrugated carton products are a type of products that are large in and large out. Considering the increase in shipping costs and the timeliness of delivery, the market area of such products is doomed to not cover too much. The market scope is usually locked within 200 kilometers. Therefore, the decision-makers must conduct surveys and investigations on the major specifications and defects of major potential...
Waterproof corrugated cardboard features and processing methods
In recent years, with the improvement of people's living standards, the requirements for the packaging of goods have become higher and higher. Corrugated cartons as commodity packaging containers can not only ensure the safety of the transportation of goods, but also can play a role in beautifying the goods, increasing the added value, and promoting sales. In particular, various kinds of beautifully-printed moisture-proof vending cartons have appeared on the market in recent years. To a...
Corrugated cardboard and corrugated boxes for physical testing
Corrugated cardboard and corrugated boxes were tested for five physical properties. Is the side pressure strength, burst strength, puncture strength, adhesive strength and compression test. Performance tests must be performed on all specimens. The test was performed after the sample was treated for 24 hours in a constant temperature and humidity environment at a temperature of 23°C ± 2°C and a humidity of 50% ± 5%. First, the side pressure strength test In the corrugated direction, a certain...
