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Views: 0 Author: Site Editor Publish Time: 2022-07-17 Origin: Site
Satellite Flexo Printing Machines have certain advantages in the printing of flexible shrinkable materials. This type of Flexo Printing Machine has good printing quality stability, less machine adjustment waste, and high printing speed and output efficiency. Next, let's take a look at the main components of a Flexo Printing Machine on a satellite. Here are some answers.
Here is the content list:
Non-stop winding and unwinding device.
Drying device.
Printing substrate cooling unit.
Edge control device for printed substrates.
The rewinding and unwinding device of the satellite Flexo Printing Machine generally adopts a DC motor soft connection, and the unwinding device and the rewinding device both form a closed-loop control system. The floating roller tension detection device detects the tension of unwinding or rewinding and feeds the value back to the computer controller. The speed is adjusted by the DC motor, and the tension of each closed-loop system is kept constant at the set value. The unwinding and rewinding parts generally use non-stop rewinding to reduce the loss of raw materials and minimize the drop in production capacity during rewinding.
The drying device of the satellite Flexo Printing Machine is generally divided into two parts, one is the inter-color dryer distributed between the printing units, and the other is the bridge dryer after the printing of each color group is completed. The dryers between each color group are installed between two adjacent color groups, for example, the first color group dryer is installed between the first and second printing units. Its function is to ensure the need for a wet-on-wet process in the printing process of the Flexo Printing Machine. The printed matter after drying by this dryer, the ink surface has formed a film, but it is not dry. Therefore, N-color Flexo Printing Machines need to be equipped with N-1 inter-color dryers. After the last set of printing units is printed, overprinting is no longer required, so generally, no such dryer is added, and the bridge dryer is directly entered. The bridge dryer is a drying tunnel designed according to a certain length. Because it is located between the central impression cylinder and the winding device, it is very like a bridge connecting these two parts, so it is so-called.
The printed substrate dried by the bridge dryer needs to be cooled before winding. Since the general production speed of satellite Flexo Printing Machines is above 250m/min, air cooling under natural conditions alone cannot satisfy the heat dissipation of the substrate. Therefore, the cooling roller with a built-in water circulation system is used to strengthen the cooling, and the surface of the cooling roller is chrome-plated to prevent the condensation of the cooling water from corroding the surface of the roller.
The device is installed in the unwinding and rewinding part of the Flexo Printing Machine to ensure that the lateral surface of the printing substrate is neat when rewinding and unwinding.
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