Links

General vibration books and tutorials

Practical Solutions to Machinery and Maintenance Vibration Problems - Comprehensive online book from Update International.
http://www.update-intl.com/VibrationBook.htm

Vibration analysis reference - Online book from Azima DLI engineering.
http://www.azimadli.com/vibman/default.htm

A brief tutorial on machine vibration [pdf] - Tutorial from Machine Dynamics Inc. covering the basics of vibrations measuring, analysis and instrumentation. Also presents a vibrations diagnostic flowchart and vibration limits table.
http://www.machinedyn.com/revised/tutorial.pdf

Balancing of rotating bodies [pdf] - Tutorial on mass distribution and mass balancing of rigid bodies.
http://www.freestudy.co.uk/dynamics/balancing.pdf

Balancing rotors using the static/couple method [pdf] - Alternate method for two-plane dynamic balancing of rotors from Balancing Weights Online.
http://balancingweightsexport.com/includes/articles/Static-Couple Balancing.pdf

Flexible rotors - Techniques and tolerances for balancing [pdf] - General paper on how to balance flexible rotors at slow speed with the static/couple method.
http://www.mechanalysisindia.com/technical/Flexible Rotor Balancing - Halfen.pdf

Keys to Successful Field Balancing - Useful field balancing tips from Pumps & Systems.
http://www.pump-zone.com/pumps/pumps/keys-to-successful-field-balancing.html

Balance Quality Requirements of Rigid Rotors [pdf] - Practical application of ISO standard 1940/1, from IRD balancing.
http://www.irdbalancing.com/downloads/TechPaper1BalQualityReqmts.pdf

Vibration and noise isolation

Vibration & Shock Isolation technical catalog - From Advanced Antrivibration Components. The technical section of their catalog includes a good introduction to vibration, noise and shock theory and control.
http://www.vibrationmounts.com/V100/V100Cat.htm#Tech

Forums

Posts about vibration/alignment/balancing - MaintenanceForums.com.
http://maintenanceforums.com/eve/forums/a/frm/f/3751089011

Mechanical acoustics/vibration engineering forum - Discussion forum from EngTips.
http://www.eng-tips.com/threadminder.cfm?pid=384

Maintenance and reliability discussion forum - Discussion forum from IDCON.
http://www.idcon.com/toastforum6503/toast/toast.asp

VibeZone - Vibration Institute's discussion forum.
http://oldforum.vibinst.org/forum/default.asp

Vibration transducers and signal conditioning

Piezoelectric sensors tutorial - Physics and electronics of piezoelectric accelerometers from PCB Piezotronics.
http://www.pcb.com/techsupport/tech_accel.php