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Understand the preparation before vacuum coating equipment and the electrical control system in the vacuum coating machine

Understand the preparation before vacuum coating equipment and the electrical control system in the vacuum coating machine

2022-06-25

Understand the preparation before vacuum coating equipment and the electrical control system in the vacuum coating machine





Before using the vacuum coating machine, be sure to read the manual carefully, and be familiar with the structural principle, functions and operation methods of each part of the machine. Before using the vacuum coating equipment, its preparations are as follows:

1. after confirming the correct installation of water, electricity and gas, put the slide valve pump and roots pump into trial operation, and the rotation direction shall be consistent with the specified direction of each pump.

2. check whether each power transmission device of the equipment operates normally.

3. check the operation of the winding trolley, whether the seal between the winding trolley and the vacuum tank is reliable, whether each travel switch installed on the guide rail works normally, and whether the placement and positioning of the crawler are intact.

4. According to the sequence from low vacuum to high vacuum, the vacuum system shall be debugged step by step to check whether the sealing of each link is reliable, whether the opening and closing of each valve is flexible, whether the position of Hall switch is correct, and the operation of each vacuum pump shall be stable without abnormal vibration and noise.


The electrical control system of vacuum coating equipment is divided into three main parts: control cabinet, transformer group and console. Control components for all functions of the equipment, including programmable controller, frequency converter, voltage regulation module, etc., Installed in the control cabinet. The front of the control cabinet is equipped with resistance ionization compound vacuum gauge, booster pump, diffusion pump heating ammeter, three-phase power indicator, alarm indicator and emergency stop switch.


The transformer bank of the vacuum coating equipment is installed under the vacuum tank, the anode at its output end is directly connected with the corresponding evaporation electrode rod, and the cathode at the output end is connected with the evaporation cathode after parallel connection. The console is placed in front of the vacuum tank and under the observation window. The touch screen, operation control buttons, knobs or switches of various components are all set on the panel of the console. The touch screen is located at the upper left of the operation panel. The parameter setting and data display of the winding system, including unwinding tension, winding diameter, machine running speed and vacuum system operation indication, are all carried out in the touch screen.


At the top right of the operation panel is the heating power adjustment button of the steam source and the ammeter, which can adjust and display the power of each group of steam sources.


Below the operation panel is the function control button or switch, including the control of the main power switch, the advance and retreat of the winding trolley, the advance and retreat of the swing arm, the forward and reverse rotation of the bending roll, the switching of wire feeding and speed, the switching of the cover plate, the selection of the system operation control mode, etc.

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