Our lives are inseparable from printing, and there are various types of printing. The common ones are as follows:
1. Offset printing
The most widely used A wide range of printing methods, usually used in our textbooks, picture albums, etc.
2. Silk printing (silkprinting)
Also known as screen printing, this is mainly used for simple patterns and colors on clothes, canvas bags, and non-woven bags. There is also a transparent oil that becomes bright after UV drying after printing.
3. Flexo printing
It is probably named because the plate used is a plastic plate. This method is generally used for the patterns on plastic bags. And because the ink is water-based, it is more environmentally friendly and is also used for printing food bags. For example, KFC and McDonald’s use this kind of printing for small bags of French fries. When printing, it is printed roll by roll.
4. Heat transfer printing (heattransfer printing)
As the name suggests, the pattern is transferred during the heating process. Some patterns on clothes use this method. The identification method depends on whether it is There is a thin film that feels layered to the touch.
5. Gravure printing
Gravure printing is very similar to offset printing, but the plate is made of metal and is more complicated to engrave. The advantage is that it has strong color fixation and brighter colors. Plain.
6. Digital printing
The digital printing in contact is printed by a printer. It is relatively cheap, simple and easy to operate, and the quantity is not required.
1 Hot glue and hot leather
Glue hot and hot leather are laser burning of the rubberized skin blank. After the pattern is drawn, place it on the cut piece or garment to be printed and apply appropriate heating and pressure to make the pattern stick to the cut piece or garment.
Generally used to make some relatively simple single-color patterns. It is easier to peel off the clothes after hot glue and hot leather.
2 convex and concave embossing printing
First make a pattern Mold, and then heat press it on the cut piece padded with velvet or special glue to punch out the shape of the pattern. Convex and concave embossing printing is printed directly on clothes. Because each pattern is first made as a pattern mold, this process is relatively expensive to start with. Generally used to make some simple patterns with thick lines.
3 spray colors (digital printing)
The spray colors are Use a special spray gun to spray-paint the water-based slurry on the finished clothes or cut pieces. It can also be used as a paintbrush, or you can make a pattern and spray the pattern into the pattern.
4 velvet pressing and gluing
Felting and embossing offset printing The flower is made by first making a pattern mold, and then hot-pressing it on velvet or special glue to punch out the shape of the pattern.
This process is also used for imitation peach skin clothes.
5 discharge printing
The principle of discharge printing is to The color of the fabric tissue fibers is pulled out, turning it into another lighter color, which is similar to the washing effect. The discharge printing process is complicated, prone to defects, and costly. However, discharge dyeing has a better effect than resist dyeing because the pattern is more delicate, the outline is clear and the edges are not exposed. Because this printing method mostly uses carved white powder, it is also called carved printing. Discharge printing also has certain requirements for fabrics. There are many fabrics that can be used for discharge printing, but it is generally better to use hollow pure cotton fabrics.
