Paper bags are widely used in our daily lives. Presumably everyone knows the paper bag very well. There are many types of paper bags, various materials and styles of paper. According to the material, it can be divided into: white cardboard paper bag, white paper paper bag, copper paper paper bag, kraft paper bag, and a few are made of special paper. So do you know what materials are commonly used to make paper bags? What are the characteristics of each?
        According to the bag edge, bottom and back cover methods: there are four types of paper bags: open seam bottom bag, open adhesive corner bottom bag, valve stitching bag, valve flat hexagonal end bottom adhesive bag and so on.
According to the different handles and digging methods: NKK (hole punching and stringing), NAK (no hole and rope, divided into mouthless and standard mouthfold type), DCK (cordless bag body hole-digging handle), BKB (with Tongue is not punched)
        According to different uses: including portfolio bags, envelopes, tote bags, cement bags, feed bags, wax paper bags, fertilizer bags, laminated paper bags, four-layer paper bags, medicine bags, clothing bags, food bags, shopping bags, gift bags, drinks bag. Different uses, the designed size, including the thickness of the paper bag paper, have many requirements.
        Material classification and characteristics of handbags:
        Select coated paper to make a tote bag, which is characterized by moderate fastness. Because the coated paper has high whiteness and gloss, and good printability, designers can boldly use various pictures and color blocks, and the advertising effect is good. After coated with glossy or matte film on the surface of coated paper, it not only has moisture-proof and durable functions, but also looks more delicate. Coated paper is one of the most popular materials for making handbags.
        Kraft paper bag: A bag made of kraft paper, which is characterized by greater fastness and the lowest cost, and is generally used to hold ordinary goods. Except for white kraft paper, the general kraft paper has a darker background. Therefore, it is more suitable to print dark text and lines, and some contrasting color blocks can also be designed. Kraft paper bag is generally not covered with film and is the lowest cost tote bag. White cardboard tote bag: Same quality as kraft portfolio.
        The white cardboard paper bag is the highest-grade tote bag. Its characteristics are: the strength of the white cardboard paper bag is the highest among all handbags. This is determined by the physical properties of the white cardboard. Designers generally Use this tote to hold high-end clothing or goods. Compared with the white paper bag, the white paper bag is more delicate and delicate. Therefore, the white paper bag is particularly elegant. White cardboard has good printability, and designers can boldly apply various design techniques. White cardboard tote bags are the most expensive of the tote bags.
        Whiteboard paper bag: Whiteboard paper is also a common material for making handbags. White paper bags are strong enough to hold some heavy goods. Designers often use white paper for clothing tote bags. The specifications are usually folio or full-open tote bags. Because the printability of white paper is average, it is more suitable for printing text, lines or color blocks. White paper is strong and can not be covered with film, so it has a low cost and is a relatively affordable tote bag.

        I believe everyone is no stranger to portable paper bags, and we often use them. This is a very environmentally friendly paper bag, so today I will tell you how to produce portable paper bags. Understanding.
        The paper bag has the functions of carrying and storing. Today it is widely used in clothing, food, footwear, gifts, tobacco, medicine, and other product packaging. It is also one of the best prefaces to convey the company's image. It has a relatively high level and quality, so the production requirements are high.
        First, commonly used paper for handbag printing
        1． Most of the papers used for tote bag printing are 157g / ㎡ and 200g / ㎡ coated paper. In addition, 120g / ㎡ and 140g / ㎡ white or yellow kraft paper are also widely used.
        If the handbag needs to be loaded with heavy goods, there are also 300g / ㎡ coated paper or 300g / ㎡ or more cardboard. And if you want to further strengthen the strength of the handbag, you can cover it according to your needs, contact the planning of the handbag, and cover it with a layer of bright or matte film, which shows the delicateness of the handbag.
        2． Because of its toughness and environmental protection, white kraft paper has been increasingly used in the printing and manufacturing of handbags.
       3． The color expressiveness of the coated paper is strong, so the planning style of the tote bag can be unique. In terms of printing technology, all the technologies in modern printing can be expressed in a small handbag.
        Second, paper bag planning
        When planning a tote bag, the primary energy may be how to make the tote bag special and exquisitely printed, which can leave a deep image. Nowadays, it can be used repeatedly and has environmental protection features. It is also a key point for planners to consider.
        The company's handbag planning usually requires conciseness and generosity. The front of the handbag planning and printing process is usually based on the company's logo and company name. Perhaps coupled with the company's operating philosophy, the planning should not be too cluttered, which can deepen consumers' perception of the company or products Image, get good publicity effect, planning and printing of handbags have a great effect on expanding sales, establishing brand names, and affecting purchase desire to enhance competitiveness.
        Three, paper bag scale
        Many goods' handbags are simply made according to the dimensions of their products. Usually, many goods will not take into account the dimensions of the handbag when it is packed during production and processing, so it cannot be prevented from being printed in the handbag. It will be a mess.
        When printing factories plan bags for customers, they should be as close as possible to their scales, and try to prevent their unnecessary spoilage.
        For example: the opposite size: 400 * 300 * 80 (mm), this size is not bad, a full-open paper can just make two bags, it is also cost-effective in printing, and it can just be printed by the opposite ． If the customer wants to make a 400 * 320 * 100 (mm) scale, this is a large folio scale, and it is not bad, but if it is to be made 400 * 300 * 150 (mm), it will not work. As a result, the waste is relatively large. First, there is waste on the paper, and second, there is waste on the print. Moreover, the cost of post-processing is also higher. Because the handbag of this size can only be made with double sticks.
        Fourth, paper bag forming
        After printing, the film is covered, and the rope is punched and punched in the future (usually nylon rope or cotton rope is used, and some thin paper bags are also often used with paper rope). The handbag can be formed. Reinforce rivets to resist tension).
        It can be seen that the production technology of the handbag is not messy. The process of simply wearing the rope usually requires human labor to complete. Therefore, compared to other printed products, the technical process is slightly messy, which also increases the cost of the handbag.

        Packaging is a necessary condition for products to enter the field of circulation, and the main means to achieve packaging is to use packaging machinery. With the development of the times and technological progress, packaging equipment is playing an increasingly important role in the packaging field. Its main functions are as follows:
        (1) Can greatly improve labor productivity
        Mechanical packaging is much faster than manual packaging. For example, candy packaging, manual packaging of sugar can only pack more than a dozen pieces per minute, while candy packaging machines can reach hundreds or even thousands of pieces per minute, improving efficiency dozens of times.
        (2) Can effectively ensure the quality of packaging
        According to the requirements of packaging items, mechanical packaging can obtain packaging with consistent specifications according to the required form and size, but manual packaging cannot be guaranteed. This is especially important for export commodities. Only mechanical packaging can achieve standardization and standardization of packaging and meet the requirements of collective packaging.
        (3) Can achieve operations that cannot be achieved by manual packaging
        Some packaging operations, such as vacuum packaging, inflatable packaging, skin-packing, isobaric filling, etc., cannot be achieved by manual packaging and can only be implemented.
        (4) Can reduce labor intensity and improve working conditions
        Manual packaging is very labor-intensive. For example, manual packaging of large and heavy products is physically demanding and unsafe. For light and small products, due to the high frequency and monotonous action, workers are prone to occupational diseases.
        (5) Labor protection for workers
        For some products that seriously affect the health of the body, such as serious dust, toxic products, irritating and radioactive products, manual packaging will inevitably endanger health, while mechanical packaging can be avoided, and it can effectively protect the environment from pollution.
        (6) can reduce packaging costs and save storage and transportation costs
        For loose products, such as cotton, tobacco, silk, linen, etc., using a compression packaging machine to compress and pack can greatly reduce the volume, thereby reducing packaging costs. At the same time, the volume is greatly reduced, saving storage capacity, reducing storage costs, and facilitating transportation.
        (7) can reliably guarantee product hygiene
        Certain products, such as food and pharmaceutical packaging, are not allowed to be packaged by hand according to the Sanitation Law, because they will contaminate the product, and mechanical packaging prevents direct human contact with food and drugs, ensuring sanitary quality.
        (8) Can promote the development of related industries
        Packaging machinery is a comprehensive science. It involves a variety of disciplines such as materials, technology, equipment, electronics, electrical appliances, and automatic control. It requires synchronous and coordinated development of related disciplines. Problems in any discipline will affect the overall packaging machinery. performance.
        The production process of paper bags includes several steps such as feeding, production, and finishing, as well as related pre and post processes, such as cleaning, stacking, and disassembly. In addition, packaging also includes metering or stamping on packages. The use of mechanical packaging products can increase productivity, reduce labor intensity, meet the needs of large-scale production, and meet the requirements of cleanliness and hygiene.
        1. What are the factors that cause the shrinking machine to heat up slowly or fail to rise to a higher temperature (above 160 degrees Celsius)?
        The circuit of the heater is that the main power line passes through a magnetic switch and then to the electric heating tube, so you should first check whether the contacts of the magnetic switch are normal. If the line does not pass through a phase in between, the above phenomenon will appear. If the magnetic switch is normal, check the meter again to see if the phase and the ohmic value of the machine are the same. If normal, it should be a short circuit. If all phases are connected but the line or heating pipe is still abnormal, the heater needs to be replaced.
        2. How to adjust the film when the equipment is easy to shift during normal operation?
        In the case of film deviation in the equipment, after adjusting the film roll orientation and tension balance bar are invalid, you can adjust the viewpoint of the upper triangle plate to deal with this problem. If the upper film material violates the clamping chain, the upper triangle plate can be adjusted clockwise; if the base film material violates the clamping chain, the upper triangle plate can be adjusted counterclockwise.
        3. When packing 6-pack bundles, the electric eye cannot detect the package. When the machine is operating, the package is simply cut. How should it be adjusted?

        (1) It can greatly improve labor productivity. The mechanical packaging of the sliding table plastic sealing machine is much faster than the technical packaging, such as candy packaging, which can only pack a dozen pieces of sugar in 1 minute, and the candy packaging machine can reach hundreds of pieces per minute or even Thousands of blocks, dozens of times of progress power.
        (2) can effectively ensure the quality of packaging mechanical packaging can be based on the requirements of packaging items, according to the shape and size of the demand, to obtain consistent packaging standards, but technical packaging can not be guaranteed. This is particularly important for export goods. Only mechanical packaging can reach the standardization and standardization of packaging, which is in line with the request for packaging.
        (3) Can complete operations that cannot be performed by technical packaging Some packaging operations, such as vacuum packaging, inflatable packaging, skin-packing, isobaric filling, etc., cannot be completed by technical packaging, and can only be completed by mechanical packaging.
        (4) It can reduce labor intensity and improve labor conditions. The labor intensity of technology packaging is very large. For example, packaging of large-volume and heavy-weight products by manual techniques is physically demanding and unsafe; while for small and light products, because of the high frequency, they move. Monotonous, it is easy for workers to get occupational diseases.
        (5) Labor protection that is conducive to workers. For certain commodities that seriously affect physical health, such as severe dust, toxic commodities, irritating and radioactive commodities, manual packaging can inevitably harm health, while mechanical packaging can prevent it, and Can effectively protect the environment from pollution.
        (6) The packaging cost can be reduced, and the storage and transportation costs can be saved. For loose goods such as cotton, tobacco, silk, linen, etc., the use of a compact packaging machine to shrink and pack can greatly reduce the volume, and then reduce the packaging cost. At the same time, the volume is greatly reduced, saving storage capacity, reducing storage costs, and facilitating transportation.
        (7) It can reliably ensure the cleaning of certain commodities, such as food and medicine packaging. According to the cleaning law, manual packaging is not allowed, because it will contaminate the goods, and mechanical packaging prevents humans from directly contacting food and medicine, ensuring Clean quality.
        (8) The paper bag machine that can promote the development of related industries is an inductive science. It involves a variety of disciplines such as data, technology, equipment, electronics, electrical appliances, and automatic control. It is requested that all relevant disciplines be developed in a synchronized and coordinated manner. Any discipline Questions will affect the overall function of the paper bag machine.

        The current market demand change is a good development opportunity for paper bag machine companies. On the one hand, people's needs are increasing, and on the other hand, the technology of paper bag machine companies needs to be upgraded. Under such pressure, if companies can find The entry point is to produce equipment that meets people's needs, then the prospect of the enterprise is bright. Let's take a look at the performance of our paper bag machine enterprises under pressure.
        Now let ’s take a look at the current status of paper bag machine companies. Because China has a large market, there is enough room for development of paper bag machines. However, according to the current situation, how can paper bag machines face market demand and break through the existing The bottleneck, the development of new equipment, is a feasible solution today, related to the future development of the paper bag machine industry. At present, the demand for food paper bag machines has greatly increased. This is largely due to people's concerns about food safety. In the future, food paper bag machines will cooperate with industrial automation to promote the improvement of the overall level of packaging equipment and develop multifunctional, high efficiency, low Consumed food packaging equipment. The annual output value of many enterprises is tens of millions and less than a few million, which is very rare. This phenomenon indicates that China's packaging industry has occupied a dominant position in the market. However, due to the rapid development, some companies will face bankruptcy or change of industry, and at the same time, some will join the ranks, which is extremely unstable, which seriously hinders the stability of their industry development. Therefore, we should consider from the perspective of market changes and ensure stability and development.
        The role of domestic paper bag machine enterprises in the future will be even greater. Correspondingly, the pressure we face is also greater, not only from the pressure of technological upgrading, but also from the pressure of international competition. According to the current economic development direction of China, in the next few years, the development of various industries in China will move closer to the world's advanced level, keep pace with the times, and promote a stronger domestic economy. This will also stimulate market consumption and increase paper bag machines. Market demand. On the other hand, the disorderly competition between domestic industries and the pressure from the international market are all things we must pay attention to. Only by constantly innovating can we stand and develop well in this huge market.