2020年9月11日星期五

What vacuum pump is used for vacuum coating

Vacuum coating technology is a new technology of material synthesis and processing. Vacuum coating equipment is an important part of coating industry. In the words of a vacuum coating entrepreneur, vacuum coating surface technology is to make "beauty" for customers' products -- more colorful and beautiful appearance. Vacuum coating technology has been widely used in metal cutting tools such as ornaments, cutting tools, molds, optical instruments, integrated circuit manufacturing, solar energy utilization, flat panel display, building glass and automobile glass, anti-counterfeiting technology, aircraft protective coating, information storage field, sensors and so on 


Rotary vane vacuum pump for vacuum coating 



The rotary vane vacuum pump is mainly composed of pump body (stator) and rotor. There are more than two blades in the rotor slot, and springs are also installed between the blades of some pumps. The rotor is eccentrically installed in the pump cavity, and the clearance between its outer edge and the top surface of the pump chamber is 2 ~ 3 μ M. When the rotor rotates, under the action of centrifugal force, the vane slides back and forth along the groove and always keeps in contact with the inner wall of the pump chamber. The pump chamber is divided into two or several chambers with variable volume. When the rotor rotates clockwise, the volume of the suction chamber connected with the suction port increases gradually from zero, and the gas pressure in the cavity decreases, and the extracted gas is continuously inhaled from the suction port. At the same time, the volume of the exhaust chamber connected with the exhaust port changes from large to small, and the gas in the suction chamber is compressed. When the gas pressure is higher than the atmospheric pressure, the exhaust valve is pushed to exhaust the atmosphere. When the rotor rotates continuously, the pump will continuously pump air.

High Vacuum Turbomolecular Pump

Magnetic Levitation Molecular Pump

Molecular Pump In Chip Manufacturing 

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