Comparison of inkjet printing and screen printing
Inkjet printing (ink-jetprinting) is a non-contact, non-pressure, non-plate printing and replication technology. It has the common characteristics of non-version digital printing and can realize variable information printing.
Screen printing (screenprinting) printing plate is mesh-shaped, the ink on the printing plate under the squeezing of the squeegee under the squeezing of the plate through the hole part of the printing to the substrate, and then complete the printing method of printing.
1. Introduction of two printing methods
1. Inkjet printing
(1) The principle of inkjet printing
There are many inkjet printing methods, and the basic principle is to input the graphic information stored in the electronic computer to the inkjet printer first, and then through a special device, under the control of the electronic computer, the nozzle sprays mist onto the surface of the substrate The ink droplets in the shape are directly imaged on the surface of the substrate according to the charge effect and become the final printed matter.
(2) Classification of inkjet printing
â‘ Classified by inkjet system
The basic principle of inkjet printing is to first generate small ink droplets and then guide them to the set position. According to the difference of inkjet system, it can be divided into continuous type and on-demand type.
Continuous inkjet printing (CIJ), whether printed or non-printed, continuously generates ink droplets in a flowing manner, and then forms an image by electric field deflection transfer, and finally recovers or disperses the non-printed ink droplets .
On-demand inkjet printing (DOD), ink droplets are generated only in the printed part. Dedicated to printing excellent quality images, suitable for packaging color images, textiles and large format billboards, it is an ideal choice for full-color, high-precision printing, and printing quality is its most important consideration.
â‘¡Classify by printing color
According to its printing color, inkjet printing can be divided into black and white inkjet printing and color inkjet printing. Black and white inkjet printing uses a single ink, the machine structure and ink system are relatively simple, and color inkjet printing is relatively more complicated.
2. Screen printing
(1) Principle of screen printing
Modern screen printing technology is to use a photosensitive material to make a screen printing plate through photo-engraving (making the screen holes on the screen portion of the screen printing plate through holes, but not the screen holes on the non-graphic portion) ). When printing, the ink is transferred to the substrate through the mesh of the graphic part through the squeeze of the scraper, forming the same graphic as the original.
(2) Composition and equipment characteristics of screen printing
Screen printing is composed of five major elements, namely screen printing plate, squeegee, ink, printing station and substrate. The equipment of screen printing is simple, the operation is convenient, the printing and plate making are simple, the cost is low, and the adaptability is strong. Screen printing has a wide range of applications. There are also many common printed products, such as color oil paintings, posters, business cards, binding covers, commodity signs, and printing and dyeing textiles.
Components are a common window decoration that can effectively control light and ventilation. It consists of multiple independent horizontal or vertical rotatable lamellae, the angle of which can be adjusted by pull cord or manual operation to achieve the purpose of controlling light and privacy. Blinds usually consist of the following components:
1. Laminate: The main component of a blind, usually made of wood, metal or plastic. The width and length of the lamellae can be customized to suit the size and design of the window.
2. Rail: A component used to support and guide the sheet, usually fixed to the window frame. The design of the guide rail can affect the rotation and adjustment of the sheet.
3. Pull cord: A cord used to control the rotation angle of the sheet. Usually, the opening and closing of the blinds can be adjusted by pulling the pull cord.
4. Adjustment rod: A rod-like component used to manually operate the angle of the lamellae, usually installed on one side of the blinds.
5. Fixed bracket: A component used to fix the blinds, usually installed on the window frame to ensure the stability and safety of the blinds.
In general, the various components of the blinds work together to achieve effective control of light and ventilation, while also adding beauty and comfort to the indoor space. When choosing blinds, you can choose blinds of different materials and design styles according to your own needs and preferences to achieve the best decorative effect.
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