Recently, a flatness measurement was needed on two halves of an HP turbine shell using LEVALIGN system.  The top half (resting upside down) was a typical quick and easy measurement, as shown below in Figure 1: The second half, was not so typical.  The studs had to remain in the shell and the customer wondered if [...]

One hour long presentation by Ray Wonderly, Retired from General Motors Corporation, Owner of Advanced Maintenance Technologies. Originally filmed at the CBM 2011 Condition Based Monitoring Conference at the Reliability Performance Institute in Fort Myers, Florida. This discussion will focus on the use of Vibration Analysis to verify machinery problems or faults, primarily misalignment. Case [...]