Principle of tape coating machine
- Categories:NEWS
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- Time of issue:2019-11-29
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(Summary description)The working principle of the automatic coating machine for screen printing plates is the same, but its performance varies according to different models and different manufacturers. The screen coating
Principle of tape coating machine
(Summary description)The working principle of the automatic coating machine for screen printing plates is the same, but its performance varies according to different models and different manufacturers. The screen coating
- Categories:NEWS
- Author:
- Origin:
- Time of issue:2019-11-29
- Views:0
Principle 1
The working principle of the automatic coating machine for screen printing plates is the same, but its performance varies according to different models and different manufacturers. The screen coating machine is provided with a device capable of clamping the screen frame on a vertical frame.
Principle 2
The screen area is preceded by a horizontal coating mechanism. This coating mechanism consists of a coating tank, and mechanical or pneumatic components that control the angle and pressure of the coating tank.
The two ends of the coating mechanism are mounted on the vertical support arm of the coating machine, and the coating mechanism is moved up and down along the surface of the screen through the transmission of a belt, a chain or a cable. The transmission mechanism is connected to a servo or variable frequency motor to make it operate smoothly and to accurately control the position of the coating mechanism.
Principle 3
Before coating, load the clean, stretched screen from the front of the coater, and some models can also load the screen from the side. In models designed for large-format screen frames, side-mounted versions are more common, because the screen frames are large and cumbersome, and side-mounted versions can reduce the amount of lifting and moving.
Principle 4
When the automatic screen coating machine and other automatic screen processing equipment (such as cleaning equipment, recycling equipment, drying device and developing machine) run online, it is more convenient to load the plate from the side. No matter how the screen is installed, once the screen is in the correct position, the pneumatic clamping device or mechanical clamping device is closed to lock the screen. For more convenient operation, many models have foot pedals to control the plate clamp action, and the operator can free up hands to control the screen.
Principle 5
After the screen is installed, the automatic coating machine is filled with the corresponding photosensitive emulsion, and then the coating can be started. Depending on the functions of the control system and equipment, the equipment can coat both sides of the screen at the same time.
Coating method
There are two kinds of coating methods. One is to apply photosensitive emulsion on the screen through multiple wet pressing operations; or add a drying process after each coating. Machine for quantitatively coating liquid (or melt) polymer materials such as adhesives or coatings on the surface of materials.
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