Saturday, December 13, 2008

Air End Failure 3 - Normal Bearing Wear

Normal Bearing Wear

Big Size Air End (Bigger bearings) versus Small Size Air End ( much smaller bearing is used).
This one determinant factors on the Price of Compressors.

Just imagine.
Low speed (1500 RPM) screw and High speed (9800 RPM) screw that produce the same air delivery.
The big and low RPM screw will have a much longer bearings change intervals.

1. Thrust Bearing Load

2. Temperature Change

3. Design Challenges

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