Saturday, September 5, 2009

Air End failure -AC - 03/Sept/2009

A failed Rotary Screw Air Compressor's Air End:=
Atlas Copco GA132, we dismantle on Thursday, 3rd September, 2009 from a factory in Prai Industrial, Penang.

A female rotor of the twin screw rotary screw air compressor.

The male [drive rotor], note; the DE bearing side.

Air End Bearings:=

Types and size of bearings:
QJ 315 = 2 sets
NU 315 ECJ/C3 = 4 sets

There are three types of bearing cage to choose from, there are
NU 315 ECJ = Steel cage
NU 315 ECP = Polymide cage [ a type of plastic material ]
NU 315 ECM = Brass cage

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