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General knowledge of printing and packaging products
2019-08-26

texture of material:

The most commonly used material for printed packaging is paper, and other materials include plastics (such as plastic packaging box, blister, shrink film, jump card support, plastic ring strip, etc.)

Metals (such as iron cans, magnets, etc.), non-woven fabrics (commonly used in environmental protection bags), sponges and silk fabrics (commonly used in the lining of packaging boxes), etc.

Printing color:

Most of the inks used in traditional flat offset printing are CMYK. Color effects are obtained through color separation overprint (commonly known as blue, red, yellow and black),

Habitually, in addition to these four conventional primary color inks, the color is called "intermediate color", that is, spot color.

Printing machine:

According to different plate making methods, it can be divided into lithography, intaglio, relief, etc

According to different feeding methods of raw materials, it can be divided into: roll printing and flat printing

According to the color group, it can be divided into: monochrome, two-color, 4-color, 5-color, 6-color, 7-color and more

According to the format, it can be divided into: full opening, opposite opening, four opening and six opening (i.e. large eight opening). The web printing machine is generally distinguished by the door width, and each equipment has its own actual maximum printing capacity

Length width value of the.

Commonly used offset press brands: Heidelberg, Komori, Roland, gaobao, Mitsubishi, etc

Common graphic design software before printing:

Adobe Illustrator: AI for short, is the most popular and most versatile graphic design software at home and abroad. Common suffix: AI

CorelDRAW: previously very popular graphic design software, it has recently been replaced by AI. Common suffix: CDR

Photoshop: PS, the most popular image processing tool at home and abroad, is not one of them.

Adobe InDesign: ID for short, is the most popular and versatile large format intelligent typesetting software at home and abroad. Common suffix: ID

After finalization, the curve needs to be turned, and the picture and text will not jump when switching between different software and hardware devices.

Printing proofing can be divided into:

Digital proofing: the mainstream equipment is HP indigo, which uses special ink and realistic color. The latest equipment can print 750 * 530 equipment.

Spray painting sample: the color and accuracy are slightly poor, but the format is larger.

Machine proofing: as like as two peas, the same process is common, because it can be followed by color, usually a large customer, and requires a higher customer.

White proofing: no printing, mainly to verify the material and size.

paper bag:

There is a loose classification according to the items loaded. The purpose is to directly understand your needs so as to give our suggestions:

(1) Clothing paper bags, cosmetics paper bags, wine paper bags and other product packaging bags (these are the most common);

(2) Meeting bag / paper bag for company activities (containing documents or gifts);

(3) Catering packing bag (generally can be put into two packing boxes);

Carton:

According to different materials, it can be roughly divided into:

Cardboard box: white card (medicine box), white gray background (low grade), gold and silver card (cigarette box), etc

Hardcover gift box: the material thickness is more than 1.5mm, the inner core is gray board, and the printing surface needs to be mounted.

Corrugated color box: corrugated sheet and printing face mounted.

Common processes:

Film pasting, oiling, hot stamping, polishing, UV, window opening, hardcover, pasting accessories, etc.

Common quality problems:

Cracking or bottom exposure, glue exposed adhesion, surface wrinkling, rope falling off, broken lines at edges and corners, appearance stain and scratch, wrong leakage of printed pictures and texts, blur and color difference.

Load bearing performance of package:

It is related to the thickness and flexibility of the material. If it is necessary to strengthen the firmness, local lining plates, metal rivets, films, thickened materials and other processes can be adopted.

General paper bags can only bear 2 to 5 kilograms.

rope:

The easy to pull rope is easy to work, but the reverse buckle is easy to scratch silk clothes. The knotted rope is a little troublesome in workmanship. The rope head is easy to draw and the rope head is not neat.

The most commonly used ropes are PP rope, cotton rope and paper rope.

Volume price ratio:

Because many links of printing and packaging have starting prices, more than 3000 copies will achieve a better volume price ratio, and the cost of more than 20000 copies will not change greatly.

packing:

Packing with wrapping paper can save cost. However, if it needs long-distance transportation or long-term storage, it must be packed in cartons.

Environmentally friendly ink:

Now the printing ink on the market is basically soybean oil-based ink, which belongs to environmental protection ink.

Environmentally friendly paper:

The so-called environmental protection paper abroad generally refers to recycled paper, which is produced by recycling waste paper and making pulp.

Paper bag routine

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