The oil-free vacuum pump is the operation cavity of the pump, there is no medium to recover the original gas. There are many other categories of products that are loved by many professions. In the purchase of oil-free vacuum pump time must not be greedy cheap to choose a low price, but should be on-site investigation, to choose a suitable for their own.
The working principle of oil-free vacuum pump is the same as that of general positive displacement pump. It is composed of stator, rotor, rotating plate, cylinder block, motor and other primary parts. When the rotor rotates at high speed, the four radial sliding blades in the rotor slot will divide the pump chamber into four operating rooms, because of the centrifugal force effect, the vane is close to the cylinder wall.
Separate the inlet and outlet of the stator, operate in a circular manner, change the volume, discharge the inhaled gas from the exhaust port, and then reach the purpose of air extraction. How does the oil vapor discharged from the oil-free vacuum pump affect the environment. If the environment does not allow pollution, can choose oil-free oil-free vacuum pump, perhaps the oil vapor discharged to the outdoor. Correctly combine the oil-free vacuum pump.
Because the oil-free vacuum pump has selective pumping, sometimes one kind of pump can not meet the pumping requirements, and several pumps should be combined to make up for each other to meet the pumping requirements. If the titanium pump has a high pumping speed for hydrogen, but can not pump helium, and the tripolar sputtering ion pump (or bipolar asymmetric cathode sputtering ion pump) has a certain pumping speed for argon, the combination of the two will make the vacuum equipment get better vacuum degree.
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