The difference between the production process of paper cookie box and metal cookie box

   Paper biscuit box process: structural design → graphic design → material selection → proofing → sample signature → customized raw materials → printing → laminating → hot stamping → hot embossing → paper mounting → die cutting → paste box → inspection → shipment

Production period: generally 7-15 days.

Making process of paper biscuit box:

1. Draw a sample drawing of a paper biscuit box. Draw a black and white draft knife line drawing of the box, each with a precise size of the box, and the lines are required to be very accurate. Draw the imposition design drawing. According to the carton sample drawing and the maximum printable paper size, carry out the imposition design. The imposition design should consider saving paper and facilitating the automatic removal of waste edges after die cutting. Draw an imposition design drawing according to the imposition design.

2. Copy imposition design drawings Copy two imposition design drawings, one for printing plate making and one for die-cutting plate making, which can ensure consistency and accurately register during die-cutting.

3. The imposition design is transferred to the plywood and can be drawn by hand or copied by photo. Manual depiction must be highly accurate.

4. Drilling and sawing. There is a special sawing machine, which is a wire saw that moves up and down. Drill holes at the junction of the two box cores, which is convenient for threading saws and sawing along the tangent and fold lines. The thickness of the wire saw should be compatible with the thickness of the die cutting knife line and the creasing knife line.

5. Inserting the wire Use machines such as guillotine machine, wire bending machine, punching machine, etc. to break, round or bend the knife wire into various angles according to the shape of the box. The height of the cross-cutting knife line is 23.8 mm and the thickness is 0.7 mm. The cutting line embedded on the die-cutting plate must be of the same height. The height and thickness of the crease line depends on the thickness of the paper. The height of the crease knife line is the height of the die cutting knife line minus the thickness of the paper. After the cutting line is inserted, foam rubber should be attached to both sides so that the cardboard can be ejected from the die-cut plate.

6. Make a die-cut negative template. The negative template is to get a good seam. Stick insulating paper on the steel plate, put it in the machine, put carbon paper, and cover with a layer of cardboard. A crease line is opened on the mark.

   Metal cookie box production steps: box design-graphic design-iron material-proofing-printing-cutting-stamping-assembly-inspection-packaging-shipping.

Production period: generally 35-40 days.

Making process of metal cookie box:

1. Before confirming the order, confirm what kind of material to choose, including the type and size of iron material, etc.;

2. It is iron printing. The printing factory is responsible for printing the pattern color on the surface of the iron sheet. The printing process includes internal coating, white printing or white coating, plate making to printing;

3. For cutting, first check whether there are stains or scratches on the surface of the iron sheet. This affects the pass rate of the later iron cans and needs to be removed. The cutting size should be controlled and the cut is even and smooth;

4. Stamping molding, which is a process of making iron sheets into iron cans;

5. Packing, check the defective product and check the packing quantity.

The performance difference between paper cookie box and metal cookie box

 Paper biscuit box performance

  Cartons are the most widely used packaging products. According to different materials, there are corrugated boxes, single-layer cardboard boxes, etc., with various specifications and models.

The cardboard material composition is divided into five layers: face paper + 2 layers of corrugated paper + core paper + inner paper, and can also be customized for multiple layers. Paper quality varies according to the material, and the paper quality level is also different.

The advantages of paper biscuit boxes: environmental protection, light weight, recycling, cost saving, good hygiene and safety

Disadvantages of paper biscuit boxes: not resistant to high temperature, poor water resistance, poor sealing, poor extensibility, poor food preservation

(1) As some of the paper packaging materials are produced from waste paper, some mildewed paper will be present in the process of collecting original materials. After production, many molds and pathogenic bacteria will occur. Spoil the food.

(2) The recovered waste paper may contain lead, cadmium, PCBs and other harmful substances, which can cause dizziness, insomnia, and forgetfulness.

(3) The appearance of paper packaging is contaminated by dust, impurities and microorganisms during storage and transportation, which affects food safety.

Metal cookie box performance

1. Good mechanical properties: Compared with other packaging containers, such as paper biscuit boxes, the metal cookie box has higher strength, good rigidity, and is not easy to break. Not only can be used for small sales packaging, but also the main container for large transport packaging.

2. Excellent barrier properties: Metal cookie boxes have better barrier properties than paper biscuit boxes, with good gas barrier properties, moisture resistance, shading properties, and fragrance retention. In addition, the seal is reliable and can reliably protect the product.

3. Mature technology and high production efficiency: The metal cookie box has a long history of production, and the mature technology has a complete set of production equipment to match it. The production efficiency is high and can meet the packaging needs of various biscuits.

4. Exquisite decoration: The metal cookie box has good printing performance; the pattern is bright and beautiful, and the produced packaging container is eye-catching, which is an excellent sales package.

5. Various shapes: The metal cookie box can be made into various shapes according to different needs, such as square cans, round metal cookie boxes, trapezoids, etc., which not only meets the packaging needs of different biscuits, but also makes the metal cookie box more varied , Promote sales.

6. Recyclable and reusable: in line with international environmental protection requirements, in line with the future development trend of biscuit boxes.

The difference between the printing process of paper biscuit box and metal biscuit box

Paper biscuit box printing process

  In the process of printing paper biscuit boxes, the printing process is particularly exquisite. Different printing processes will produce different printed products. The following are some printing processes in the packaging and printing of paper biscuit boxes.

 Gravure printing process of paper biscuit box:

  Compared with other printing methods, the ink color of gravure products is more full and three-dimensional, with rich layers and clear lines. This printing process is suitable for printing large quantities of paper biscuit box packaging products, and can be used for printing stamps, plastic products, Tobacco and alcohol labels and other products. However, due to a series of factors such as complex plate-making technology, long cycle, high plate-making cost, and not conducive to environmental protection, gravure printing is less used;

The offset printing process of the paper biscuit box:

   Offset printing is offset printing, which is a printing process in which the printing format can be flexibly changed. Not only for the printing of paper biscuit boxes, but also for the printing of paper products such as newspapers, posters, and magazines;

Printing process of metal cookie box

Screen printing process of metal biscuit box:

   Silk screen printing is a printing process that is widely used in the packaging of metal biscuit box packaging products around us. For example, the screen printing technology used in local UV, the screen printing can form ink accumulation by adjusting the thickness of the screen, which has a good three-dimensional sense. In addition, silk screen printing can also be used for the printing of self-adhesive labels.

Flexo printing process of metal cookie box:

   The most common flexographic metal cookie box packaging in our lives is made of tinplate. It is called flexographic printing because it uses an elastic printing plate with a raised image. Flexo printing has the characteristics of large format, low price, can realize linkage production, can reduce the loss of metal strength in the manufacturing process, etc., its precision is high, and it can print iron box packaging printing that requires relatively high precision.

 The most common metal cookie box packaging printing is varnish, followed by dumb oil. There are also some protective inks with special effects, such as explosive oil, orange peel oil, wrinkle oil, rubber oil, etc. The effect expressed by this special effect is often more exquisite and accepted by mass consumers. At present, the cost of these special printing effects is relatively high, and high-end cookie tin boxes use this ink.

a. Matte oil: Contrary to the effect of varnish, it makes the surface of the tinplate box dull, with a paper texture, and has a classic and elegant decorative effect.

b. Rubber oil: The cost of this effect is relatively expensive. With this oil, it feels soft to the touch, a bit like a fabric touch, without the feeling of iron at all.

c. Orange peel oil: It will make the iron sheet have a corresponding touch, a delicate touch, and an anti-slip effect. A large part of the reason why it is called orange peel oil is that the surface of the tinplate is quite like the lines on the surface of orange peel.

d. Explosive oil: make the surface of the metal cookie box have a layer of irregular explosive lines, which are cracked, and feel a bit bumpy to the touch. The reflection of light makes the exquisite printed pattern rich in three-dimensional and very ornamental.