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Vacuum coating machine repair and maintenance need to see that several aspects?

信息来源于:互联网 发布于:2021-06-16

1. Under normal circumstances, we need to repair the vacuum coating machine mainly from the aspects of vacuum leakage detection, vacuum instrument maintenance, disassembly, installation, etc. we, step by step, should be able to find out the problem. When these can not solve your machine fault, we need to turn off the power and let the machine rest and work, Because invite professionals to repair the vacuum coating machine is also from the touch screen maintenance, programming, program decryption, modification, modification of vacuum coating equipment and vacuum pump maintenance, vacuum heat treatment equipment maintenance and other aspects!
2. When the vacuum coating machine (vacuum coating equipment) rough pump (slide valve pump, rotary vane pump) works continuously for one month (half in rainy season), it is necessary to replace the new oil. Drain the old oil from the pump completely. Screw the oil bolt and add new oil to the oil level (oil sight glass observation). If it has been used continuously for more than half a year, open the oil cover when changing the oil and clean the dirt in the box with a cloth.
The vacuum coating equipment should clean the working room once every 200 coating procedures. Repeatedly scrub the wall of vacuum chamber with NaOH saturated solution (pay attention to that human skin can not directly contact with NaOH solution to avoid burning). The purpose is to make aluminum (AL) plated on the membrane react with NaOH. After the reaction, the membrane will fall off and release hydrogen. Then clean the vacuum chamber with clean water and clean the dirt in the fine extraction valve with cloth dipped in gasoline.
If the diffusion pump in vacuum coating equipment is used continuously for more than 6 months, the pumping speed will obviously slow down, or the operation will be improper, and it will be charged into the atmosphere. Remove the connecting pipe, remove the electric stove plate, screw out the primary nozzle, clean the pump chamber and pump tank with gasoline, then wash it with washing powder mixed with water, and then clean it thoroughly with clean water. After the water evaporates, install the pump tank, Add the new diffusion pump oil, install it back into the machine, connect the water pipe, install the electric furnace tray, and then restart the machine. Pay attention to leak detection before restart. Start the maintenance pump, close the door, and after a few minutes, observe whether the vacuum degree of the diffusion pump reaches 6x10pa, otherwise leak detection is required. Check whether the joint is equipped with sealing rubber ring, or the sealing ring is crushed. Remove the hidden danger of air leakage before heating, otherwise the diffusion pump oil will burn ring, unable to enter the working state.