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The knowledge you need to master before operating the vacuum coating equipment

The knowledge you need to master before operating the vacuum coating equipment

2022-07-16

The knowledge you need to master before operating the vacuum coating equipment







Before operating the vacuum coating equipment, it is necessary to have a full understanding of its structure and working principle, so that there will be no rush during the operation!


The vacuum coating machine should make the following preparations before coating:

1. Put the wire feed tray filled with 99.98% pure aluminum wire into the shaft pin, then install it on the support plate, and send the lead end of the aluminum wire to the top of the evaporation crucible through the pressing wheel and the guide tube. At the same time, adjust the tension of the spring, so that the pressure roller presses the aluminum wire without slipping, so that the aluminum wire can be conveyed smoothly.

2. Wrap both ends of the conductive boron nitride crucible with graphite paper and press into the electrodes.

3. Load the green sheet roll of the base material on the unwinding reel, load the empty roll on the take-up reel, and inflate the core.

4. Put the empty reel and the unwinding reel of the original film into the winding jig respectively and clamp it, then pull the base material out of the unwinding reel and wind it on the reel. Take care to ensure that the substrate is flat on each guide and main roll, and that the edges of the unwind and rewind are aligned.



The control cabinet is placed in front of the vacuum chamber, the lower part of the winding observation window and the evaporation observation window. It is a control and adjustment device for controlling and operating the heating power of the evaporation crucible, the conveying speed of the aluminum wire and the winding speed of the substrate. The front of the control cabinet is equipped with a monitoring panel and an operator panel.


The monitoring panel of the control cabinet is equipped with various display instruments such as evaporation crucible heating ammeter, aluminum motor frequency meter, substrate winding system drive motor frequency meter, winding speed and substrate length display instrument. These display instruments can be observed by the operator while working, so as to understand the real-time operating status of the equipment.


The operation panel of the control cabinet is equipped with the heating power adjustment button of the evaporating crucible, the frequency adjustment button of the driving motor of the substrate winding system, the frequency adjustment button of the aluminum feeding motor, and the switches and buttons of various motors and electrical appliances for the operator to work. time to operate and adjust. The operation panel is also equipped with a water stop alarm indicator light for the equipment.



The water system is used for the cooling water supply of the vacuum pump system and the coating machine winding device. Located behind the water inlet pipe, the diameter of the water inlet pipe is 50.8 mm. The system components have a total of 17 water supply channels, of which 1 channel is used for the evaporation hood of the winding system, 11 channels are used for the pump of the vacuum system, and 5 channels are Alternate water channel.


Automatic alarms for insufficient pressure and flow are installed in the waterway components. When the evaporation system, diffusion pump and booster pump are powered off, the water pressure and water flow are normal, the power supply will automatically recover, and the alarm will be stopped by "silencing". Manually open and close the water valve used to supply cooling water to the vacuum system.


The input and output cables of the control cabinet are located in the lower part of the rear of the cabinet.

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