The design and production of special-shaped bag control

Special-shaped bag with its modelling changeable features excellent shelf appeal, is relatively popular in the foreign market packaging form. With the improvement of people's living quality, the special-shaped bag also gradually become the commodity production enterprises enhance brand awareness, increase the product's selling point. Special-shaped bag design should pay attention to the following questions: 1, the capacity of the change to change common composite bags to special-shaped bag, its capacity is bound to have a certain change, therefore, need to redesign the size of the bag. 2, packaging appearance change because it is on the edge of the flexible packaging bags, packaging bags should not be the outside edge of the use Angle, avoid pile puncture when other packaging, or damage to the user. 3, the influence of the encapsulated way if abnormity bag adopts automatic sealing equipment for sealing, in order to facilitate the smooth progress of production, for the opening direction of the special-shaped bag, sealing position and so on all has certain requirements, this is also need to consider. 4, special-shaped bag design draft design hemorrhage, the biggest problem is not produce special-shaped bag liable to occur in the cutting process & other; Cut more is missing content, cut less appear white & throughout; Problems, serious impact on product appearance. Special-shaped bag of hemorrhage is usually more than 3 mm or 3 mm, thus to facilitate production, design draft should be redesigned bleeding. After considering the above factors, coupled with exquisite design, a successful flexible packaging bags was born. According to the different form, special-shaped bag mainly can be divided into the following kinds. 1, plus alien self-supporting bag mouth and mouth is convenient and contents of dumping, and add the mouth after the product can be resealed, means that can be used repeatedly unsealed. This abnormity bag is suitable for the liquid beverage, shower gel, shampoo, tomato sauce, cooking oil and other liquids, or other liquid product need to use multiple submissions. 2, self-supporting bag zippered heteromorphosis gallas chain role is to facilitate the unsealed use many times. But the difference is, repeat the sealing way is zipper, so this kind of design is not suitable for packaging liquid, but for some light weight dry goods, such as: candy, nuts, chocolate, biscuit, jelly, tea, etc. 3, imitation mouth alien self-reliance bag of this kind of bag is according to the characteristics of the packaging design without additional mouth, but using the production characteristics of special-shaped bag to produce a similar to the mouth of the bag type, convenient access. The design is suitable for the liquid supplement, were unable to seal because it once was opened, the applicable products and alien self-supporting bag mouth applicable products are basically identical. In the production of special-shaped bag, there are mainly the following points to note: one, typography, 1. Scrap allowance of control according to different membrane materials and bag type materials, special-shaped bag waste edge allowance should be 5 MM or more than 5 MM. Therefore, bag making direction, in order to convenient for mass production. 2. Out of the bag and the choice of direction bag direction generally have horizontal and vertical two. Special-shaped bag production out of the bag when the choice of direction, the shape characteristics of special-shaped bag, be taken into account and its forming method, follow-up processing equipment, product quality requirements and other factors. And should be under the premise of meeting the production requirement, try to reduce the amount of waste edge membrane. If the incorrect direction out of the bag, will greatly influence the production efficiency, and even lead to can't production. 3. Production control according to the author in the number of columns of the experience gained in the process of production, such as bag type size is not big, can choose multiple columns production, so that more conducive to subsequent die cutting scrap edge winding, in general, can choose the number of columns for 2 ~ 3 columns. Second, the die cutting abnormity bag automatic die cutting process stage is the key stage in the process of special-shaped bag processing technology. In order to ensure the die cutting materials can be evenly cut, besides should choose appropriate die cutting blade, also deal with die cutting pressure, die cutting plate parallelism, die-cutting blade height consistency control effectively. 1. Die cutter selection and processing of the 1) Choose appropriate die cutting knife because of die cutting knife is vital for die cutting process, reason should be based on the actual need to choose the appropriate die cutting knife. Die cutting knife for die cutting process mainly by the influence of die cutting blade sharpness and hardness. Hardness appropriate die cutting knife can not only brings good stability, and its good rigidity is easy to transfer die cutting pressure coming from the knife back instantly to the blade, complete the die cutting process. In addition, 420-520 more sharp blade, blade at the same time, due to reduced the die cutting pressure, reduce the wear and extend the service life of blade get a. So the need according to the die cutting materials to choose the appropriate blade materials.