Printing process
Pre-press → refers to the pre-printing work, generally refers to photography, design, production, typesetting, output film proofing, etc .;
In-press → refers to the work in the middle of printing, the process of printing out the finished product through the printing machine;
Post-press → refers to the post-printing work, generally refers to the post-processing of printed matter including glue (film), UV, oil, beer, bronzing, bumping, mounting, binding, cutting, etc., mostly used for publicity and packaging Printed matter.
Print Classification
Office: Refers to stationery, envelopes, office forms and other printed materials related to the office.
Propaganda: Refers to a series of printed materials related to corporate publicity or product publicity such as posters, promotional leaflets, product manuals, etc.
Production: refers to large quantities of printed products directly related to production products such as packaging boxes and stickers.
Printing plate classification
1. PS version: suitable for more precise printing in color or monochrome, the applicable machine is a lithographic printing machine. Generally, the reserved version can be used for reprinting. The printing quality is very precise and almost perfect.
2. Resin version: such as business card machine and disc machine are suitable for a small amount of business cards, shop cards, invitations and stickers.
3. Zinc plate: suitable for business card machine, disc machine, hot stamping machine, especially used for hot stamping, embossing (use version), good quality, and other lithographic printing materials (the earliest lithographic printing in China Plate).
4. Paper version: suitable for fast printing machines, etc. This version cannot be stored because it is a paper version, and its cost is relatively low.
5. Screen version: suitable for screen printing machines, etc. This version is suitable for printing some special materials, such as PVC, clothes, etc.
6. Aluminum version: It is suitable for lithographic printing machines, but because of the low printing durability and the high percentage of poor retention, there are few users.
Common printing terms
1. Exposed / missing white: Most of the printing paper is white. When printing or making a plate, the color of the connection is not close, and the background color of the white paper is exposed.
2. Hitting the white: the photo-engraving process in the age of hanging the net. In order to remedy the lack of sensitivity of the dark position of the pictures on the Internet, you can remove the original flash once or put a piece of paper to make up the spot exposure, or directly use the flash light to flash the white light to increase the deep web of the original and soften the image.
3. Explosive fat: "Overeating" will of course "fat", film silver grains feel more, the light will expand the site. The manual plate is exposed and added fertilizer in the photosensitive film plus transparent thick film.
4. Color trapping: In the process of color separation, intentionally make the color transfer position expand and explode to reduce the impact of inaccurate overprinting.
5. Field: refers to the color block area without dots, usually refers to the full version.
6. Reverse: The text or lines are printed with negative lines, and the paper white is exposed.
7. Hitting the net: the color separation process of the amplitude modulation net, the angle distribution of the dots is wrong, or the distance of each net angle is less than 25 °, the moire will start to appear
8. Flying net: the net-making process of lens plate making. Remove the net after normal exposure to supplement the short-term exposure to increase the contrast.
9. Dog teeth: The dog's "teeth" are staggered. There are not enough pixels in the picture, and the "dog teeth" will appear on the edge after zooming in.
10. Meihua point: Reticulate like flower deer. Poorly called Xiwen, the worse is the moire.
11. Head-to-head: The order of the layout, with the prefix as the baseline. Extends to imposition and binding, and refers to the position of the head of the plate.
12. Sanwei: a type of text layout. Only seek uniform kerning, not neat text at the end of the line.
13. Masking film: It is a masking film for manual color separation. It can be made by film drying or red film cutting. It can be used for retreating or color correction.
14. Blue version: not playing "basketball" or RGB B (blue), but CMYK C (cyan) version.
Binding
1. Bleeding: The printing and binding process requires the ground color or picture of the page to cross the cutting line by 3mm, which is called bleeding.
2. Flashing: "Flying", the meaning of cutting and removing. Flashing refers to the position where the bleeding is removed, and is a binding term.
3. Diagonal: Distorted, the cutting is crooked, the right angle changes to the rhomboid angle, mostly caused by the uneven pressure of the paper gate or the paper grid is not correct.
4. Polishing: using calender roller to process the printed sheet, the surface will be smooth, this is the processing surface treatment process.
5. Backhand folding: Japanese folding paper folding machine. The 4th fold of the 32-fold fold method must be reversed.
6. Genuine: The page where the first code of the book is located is called the original, the page where the secondary code is located is called the reverse version, and the positive and negative versions are called a group, a post or a frame.
7. Paper gate: It is not a door for closing paper, but a machine for cutting paper.
8. Horseback stapling: A method of book binding, like moving on horseback. After the thin book (6 posts or less) is set, it is placed on an iron frame to wear iron wire nails.
9. Pork intestine roll: a method of folding book stickers, such as roll intestinal powder, with 3 upper shuttles and 2 lower shuttles can fold 32 editions.
10. Feng Yi (pronounced "moon"): A method of folding a book. The book was folded and opened like a screen.
11. Reverse cover: A method of binding the upper cover by hand. First, the bottom edge of the back cover is fixed, and then the spine cover is glued, and then a "reverse" cover action is performed.
12. Mao Shu: It is not a book with long hair. It refers to a blank book with the thread locked and not cut on the cover.
13. Tuk Tau cloth: a piece of cloth that connects the leather shell to the upper and lower sections of the hardcover spine. Play a solid and beautiful role.
14. Firemark: A processing action of the hardcover cover such as bronzing and high humidity.
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