Basic knowledge of printing outlets - AM outlets

In the printing process, the continuous blending of halftone images is adjusted by the density of the dots. By mixing CMYK four-color dots, you can display an infinite number of colors.
There are two main types of outlets currently used in the printing process: amplitude modulation (AM) and frequency modulation (FM).

AM outlets

AM sites are currently the most widely used network. Its density of dots is fixed, and the shades of color are expressed by adjusting the size of the dots, thus achieving the transition of tone. In printing, the use of AM sites requires consideration of network size, dot shape, dot angle, and cable accuracy.

Network size

The picture is as follows:

The dot size is determined by the coverage of the dot, also known as the ink rate. Generally speaking, it is customary to use "succeeding" as a unit of measure. For example, a 10% coverage network is called a "10% outlet", an outlet with a 20% coverage is called a "20% outlet", and an outlet with a coverage of 0% is called For "absolute network", the coverage of 100% of the network is called "in the field."
The tone of printed matter is generally divided into three levels: bright tone, mid tone, and dark tone. The dot coverage of the highlighted part is about 10% to 30%; the coverage of the halftone part is about 40% to 60%; and the dark part is 70% to 90%. The net and field parts are additionally divided.