The working process of a water gel bandage coating machine.
Release time:
2020-11-11
The working principle of the water gel bandage coating machine: The working principle of the water gel bandage coating machine used for screen printing plates is the same, but the performance varies depending on the model and manufacturer. The screen coating machine is equipped with a fixed mesh device on a vertical frame. The horizontal coating mechanism is located at the front and back of the screen area, consisting of mechanical or pneumatic components that control the angle and pressure of the coating slot.
Specific functional adhesives, paints, inks, etc. are applied to roll materials such as paper, leather, aluminum foil, plastic film, and dried after drying.
The working principle of the water colloid band-aid coating machine: The working principle of the water colloid band-aid coating machine used for screen printing plates is the same, but the performance varies by model and manufacturer. The screen coating machine is equipped with a fixed mesh device on a vertical frame. The front and back of the screen area have a horizontal coating mechanism, composed of mechanical or pneumatic components that control the angle and pressure of the coating trough.
The coating mechanism is mounted at both ends on the vertical supports of the coating machine, and moves up and down through the drive of belts, chains, or cables, coating along the surface of the mesh. The drive mechanism is connected to a servo or variable frequency motor, working smoothly and allowing precise control of the position of the coating mechanism.
Before coating, a clean and tight mesh plate is installed in front of the coating machine, and some models can also be installed on the side of the mesh plate. In models designed for large mesh frames, side plate making is more common. Because the mesh frame is large and heavy, side plate making can reduce lifting force and movement. Automatic screen coating machines are more convenient to install on the side plates when working online with other automatic screen processing equipment such as cleaning devices, regeneration devices, drying devices, and developers.
Regardless of how the mesh plate is installed, once the mesh plate is in the correct position, the pneumatic clamping device or mechanical clamping device will close, locking the mesh plate in place. To facilitate operation, many models have pedal controls for clamping actions, allowing operators to free their hands to control the mesh plate. After installing the mesh plate and injecting the corresponding photosensitive emulsion on the automatic coating machine, coating can begin. Depending on the control system and the functions of the equipment, the device can paint both sides of the silk screen simultaneously.
There are two coating methods. One is to apply the photosensitive emulsion to the silk screen through multiple wet applications. Alternatively, a drying process is added after each coating. Machines that quantitatively apply liquid (or molten) polymer materials (such as adhesives or paints) to the surface of materials.
Suitable for producing PVC/PE films and other soft substrates.
In simple terms, it is applying adhesive to the film. Specifically includes adhesive, drying, roll control, and tension control.
The film can be PVC, PE, PET. It may also be paper, like applying hot melt adhesive on irregular paper.
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