Knowledge Base:  

You are here: Knowledge Base : critical speeds
Page of 1
Transient Analysis
Transient Analysis Transient analysis is the study of how various signals change during a machine's process or load change. This analysis is particularly important during a machine's
Lubricants
SKF Lubricants The perfect solution for every application  Courtesy of SKF Maintenance Products Even the very best bearing can only show opti
Balancing
Balancing Unbalance is a very common source of high vibration that is identified by excessive levels of vibration amplitudes at a frequency that is synchronous with machine speed. Possib
Bearing Failure Modes
Bearing Failure Modes This application note presents specific failure modes associated with machinery having journal bearings. Signal measurements presented here are time waveforms that
Classification of Machines
Classification of Machines This application note will provide a basis for selection of the machinery list of a Predictive Maintenance (PM) data collector program. Creating a PM mach
Eddy Current (Proximity Probe) Transducer Installation: Part 1 Radial Vibration
Eddy Current (Proximity Probe) Transducer Installation: Part 1 Radial Vibration Eddy Current Transducers (Proximity Probes) are the vibration transducer of choice when installing vibrat
Fault Detection / OK Circuits
Fault Detection / OK Circuits Over the years, two methods of vibration transducer fault detection have become prominent: OK Circuits and Fault Detection Circuits. The objective of b
Field Service
Field Service Proper installation is critical to the performance, integrity and credibility of your Vibration Monitoring or Information System. A proper installation is dependent on, qua
Field Wiring
Field Wiring There are a number of items to consider when installing a permanently mounted vibration monitoring system. One of the most critical considerations is the selection and insta
Machine Classifications
Machine Classifications The type of vibration monitoring system to install on a machine train will depend upon how the machine train is used in the plant process. A very important machin
System Response
System Response An understanding of how a spring mass system responds to vibratory influences is helpful in understanding, recognizing and solving many problems encountered in vibrati
Turbine Supervisory Instrumentation 1
Turbine Supervisory Instrumentation 1 Specification of a Turbine Supervisory Instrumentation (TSI) system can be an exhausting process when the individual parameters must be specified
SKF Bearing Life Cycle
” Your Direct Source for Plant Maintenance, Reliability, Test & Measurement” 1010 E. Main Street, League City, TX USA 77573 Phone: 281-957-5283 Fax: 281-334-4255 www.relia