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Precisely what you needmount2.ppt Page 1
Accelerometer MountingAccelerometer MountingHardware and InstallationHardware and Installation
TechniquesTechniques
Precisely what you needmount2.ppt Page 2
Mounting ConsiderationsMounting Considerations➤ Is the location for monitoring in a safe,
accessible location?
➤ Can the accelerometer be permanently mounted?
➤ Can the machine be faced properly?
➤ Mounting location
➤ Where is the best location?
➤ Are there obstacles?
➤ What are the frequencies of interest?
Precisely what you needmount2.ppt Page 3
Accelerometer MountingAccelerometer Mounting
➤ Hardware Selection
➤ Mounting Location
➤ Surface Preparation
➤ Mounting Resonance's
Precisely what you needmount2.ppt Page 4
Mounting Technique DeterminesMounting Technique Determinesthe Mounted Resonancethe Mounted Resonance
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Probe TipsProbe Tips
➤ Use on difficult to reach areasand aluminum motor frames
➤ Do not use for measurementsless than 10 Hz
➤ Mounted Resonance 800 - 1500 Hz
Precisely what you needmount2.ppt Page 6
Magnets for Curved SurfacesMagnets for Curved Surfaces➤ Use on irregular and curved
surfaces
➤ Magnet made of Alnico 5
➤ Includes 1/4-28 Stud
➤ Mounted Resonance 3000 to 7000 Hz
Precisely what you needmount2.ppt Page 7
Magnets for Flat SurfacesMagnets for Flat Surfaces
➤ Use on flat surfaces or magnetpads
➤ Magnet made of Rare EarthMaterial
➤ Some have an integral 1/4-28mounting stud while othershave a 1/4-28 Tapped Hole
➤ Other stud sizes are available
➤ Mounted Resonance 5000 to 10,000 Hz
Precisely what you needmount2.ppt Page 8
QuickLINKQuickLINK®® Mounting Pads Mounting Pads
➤ Mounts quickly like amagnet
➤ Uses dual lead threadsfor less than 1 full turn
➤ High mountingresonance like a stud
➤ Reduces cable and wristfatigue
Precisely what you needmount2.ppt Page 9
Adhesive Mounting PadsAdhesive Mounting Pads
➤ Provides adequatefrequency response
➤ Pad available for mostcommon thread sizes
➤ Pad available for tappedholes for use withaccelerometers that usecaptive screws
Precisely what you needmount2.ppt Page 10
Adhesive MountingAdhesive Mounting➤ Spot Face Surface
➤ Abrade Surface
➤ Clean Surface
➤ Use Proper Adhesive➤ VersiLock®
406 / Cat 19➤ Loctite® Depend➤ Loctite® Liquid Metal
➤ Use Proper Mix Ratios
608 R.1
Integral Stud
Isolation Layer
Epoxy Filler
Precisely what you needmount2.ppt Page 11
Mounting StudsMounting Studs
➤ Provides highest frequencyresponse
➤ Various Stud sizes areavailable
➤ Captive Screws with areavailable with variousmounting threads
Precisely what you needmount2.ppt Page 12
Stud MountingStud Mounting
➤ Tap Drill Hole toProper Depth
➤ Spot Face SurfacePerpendicular to Hole
➤ Tap Proper Threads
607.cdr R.2
.004 C
.001
-C-
> 1.26"
0.735"
S urfac eFac ing
63
0.25"
➤ Ensure Flatness, Surface Texture, andPerpendicularity
Precisely what you needmount2.ppt Page 13
Advantages of PermanentlyAdvantages of PermanentlyMounted SensorsMounted Sensors
➤ Safety
➤ Convenience
➤ Repeatability of Data
➤ Faster Data Collection
➤ Reduces Auto Collection Errors
Precisely what you needmount2.ppt Page 14
Coupling FluidsCoupling Fluids➤ Coupling fluids should
be used between thesensor and mountingsurface interfaces
Coupling fluidsinclude:
" Silicone Grease
" Oil
" Petroleum Jelly/ Beeswax
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Mounting ResponsesMounting Responses
Probe Tip
Curved Surface Magnet
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Mounting ResponsesMounting Responses
QuickLINK®
Flat Magnet
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Mounting Resonance'sMounting Resonance's➤ Mounting Resonance's can amplify high
frequency signals and increase overload
➤ Mounting Resonance's can appear to besevere rolling element and gear mesh faults
KNOW YOURKNOW YOURMOUNTINGMOUNTING
CONDITIONS!CONDITIONS!
Precisely what you needmount2.ppt Page 18
Mounting LocationMounting Location
➤ Mount in the load zone
➤ Mount as close to the pointof interest
➤ Low profile, side exitdesigns for confined areas
➤ Side exit allows for neatcable routing
Precisely what you needmount2.ppt Page 19
Switchable Junction BoxesSwitchable Junction BoxesJunction Boxes:Provide connectioncenters for terminatingcables and connectingto Portable DataCollectors. They canused in industrialapplications and can bepowered.