HOW TO CHANGE TURBO MOLECULAR VACUUM PUMP CERAMIC BALL BEARING
May 15, 2021
HOW TO CHANGE TURBO MOLECULAR VACUUM PUMP CERAMIC BALL BEARING
- Ø Turbo molecular vacuum pumps started off using all mechanical rotor bearings
- Ø An alternative to mechanical bearings is the five-axis active magnetic bearings with position sensors and variable magnetic field control.
- Ø Bearing located at either end of the rotor shaft
- Ø Bearing Design is special for working 3600 RPM TO 8100 RPM
- Ø Hybrid bearing designates the use of two bearing concepts in one single pump
- Ø Greases have been developed within the past five years which enable turbo molecular pumps of moderate rotor speeds to operate at least one year without regressing
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