The molecular pump factory believes that the molecular pump is a kind of vacuum pump that uses a high-speed rotating rotor to transfer momentum to the gas molecules, so that they can obtain a directional speed, thereby being compressed and driven to the exhaust port and then pumped out for the front stage. Since the profile groove of the simple traction pump is opened on the outer surface of the rotor cylinder or the inner surface of the pump, the higher linear velocity of the outer cylinder of the cylinder can be fully utilized to transfer the momentum of the gas molecules and improve the pumping effect of the pump.

　　The molecular pump factory believes that due to the large pumping area of ​​the turbine stage, the pumping speed is large, while the pumping area of ​​the traction stage groove is small. At the connection of the two structures, the flow mode of the gas molecules compressed by the turbine blades The sudden change makes the movement of gas molecules change from order to disorder at the joint, resulting in an increase in reflux and a decrease in pumping ability.

　　Molecular pump factory shares working conditions

　　The rotor speed reaches 20000r/min, so the molecular pump has a long start-up time; the gas is in the state of molecular flow, so it needs to be equipped with a fore-stage pump, and a rotary vane pump is generally used as the fore-stage pump.

　　Molecular pump factory shares product features

　　Oil-lubricated molecular pump: The amount of lubricating oil is small, and in the front-stage vacuum section, the pollution to the vacuum chamber is small. Grease-lubricated molecular pump: The amount of grease is extremely small, and the dry pump in the front stage can obtain a clean vacuum that is almost oil-free. Full Magnetic Levitation Molecular Pump: No need for lubrication, use with dry pump to obtain clean and oil-free vacuum environment.