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apparent from the shaft orbit plots, particularly for moderate to heavy rubs, the indications in the orbit from light rub conditions may be more subtle. ...

http://www.gepower.com/prod_serv/products/oc/en/orbit/downloads/1q07_morton.pdf

shaft orbits and spectrum displays, will be available, a Keyphasor mark on orbit plots (Figure 1) is necessary to evaluate phase lag. ...

http://www.gepower.com/prod_serv/products/oc/en/orbit/downloads/697russell.pdf

To display the direct shaft orbit for every rotation, the averaging and order filter must be .... Shaft orbit and shaft centerline path in the presence ...

http://www.pruftechnik.com/fileadmin/user_upload/COM/Condition_Monitoring/Products/VIBXPERT/Tech_note/tn_18_vibxpert_shaftorbit_centerline_en.pdf

the waveforms, the associated shaft orbit plotted as amplitude versus amplitude. ..... Shows an Orbit after realignment. Notice hardly any lateral shaft ...

http://www.ge-energy.com/prod_serv/products/oc/en/orbit/downloads/1293jordan.pdf

ORBIT. January 1986. Machinery MESsages. Shaft position measurements reveal the cause of turbine failure. Figure 1. kRPM 1590. FIRST BALANCE RESONANCE ...

http://www.ge-energy.com/prod_serv/products/oc/en/orbit/downloads/jan_86_shaft_position.pdf

Descriptors is p r o m to recognize the shaft orbits of turbine ... Descriptors are combined to classify the shaft orbits for the ...

http://ieeexplore.ieee.org/iel5/9459/30108/01382365.pdf

identification of shaft orbit can be treated as a problem of the pattern recognition [4-5]. ... method for identification of the shaft orbit. Although there ...

http://ieeexplore.ieee.org/iel5/5208950/5209209/05209338.pdf?arnumber=5209338

Whirl orbits of a shaft in a finite journal bearing lubricated with micropolar fluid is ... In this paper we examine the shaft's orbit for several values of ...

http://www.springerlink.com/index/Q51L25N216112681.pdf

the periodic orbit of the nonlinear drilling shaft system is drawn into the governing equation ... process when the drilling shaft orbit of Eq. 1 is solved. ...

http://www.springerlink.com/index/x5643608uv435275.pdf

2.3 Shaft orbit. For condition monitoring of bearings on very slow rotating shafts, the orbit has to be measured. This is done by use of distance sensors, ...

http://www.iset.uni-kassel.de/abt/FB-E/papers/Paper_CM4MCT_dl.pdf

different plot types — Orbit, Shaft. Centerline Bode, Nyquist, waveform, spectrum, and cascade — on up to eight bearings. The data are updated up to five ...

http://www.documentation.emersonprocess.com/groups/public_assetoptprodlit/documents/articles_articlesreprints/mhm_allar0603e_csi4500transien.pdf

The resulting orbit graph shows the movement of the shaft's centerline and is used to detect failures like rubs, unbalance, misalignment or oil whip on ...

http://www.spminstrument.com/data/pdf/td/TD224B.pdf

by F Oliveira - Cited by 1

http://www.icrepq.com/ICREPQ'09/421-oliveira.pdf

compensated value of the gland's shaft vibration. The uncompensated amplitude of ¡he shaft orbit at the gland was 3.1 mils. (79 \im) vertically and 2.6 mils ...

http://st-www.ge-energy.com/prod_serv/products/oc/en/orbit/downloads/dec_90_seal_problems.pdf

the shaft orbit contributes to the failure. The cross-sectional shape .... Since orbits will vary for each shaft system, and the sampled ...

http://www.informaworld.com/index/713778054.pdf

SHAFT ORBIT. aro. ICI accompanying growth in the bubble, and a dissipation of the pressure hump' noted in Fig. 2(f). It is interesting to ...

http://www.informaworld.com/index/781095124.pdf

easy correlation and accurate diagnosis. Shaft Orbit & Displacement. Shaft orbit relative to rotor pole position. Easily diagnose an imbalance. ...

http://www.vibrosystm.com/pdf/VSM_HYDRO.PDF

Ground motion. Time histories for displacements, velocities, accelerations. Shaft orbit time histories at user-defined locations. THE INPUT INCLUDES: ...

http://www.nisasoftware.com/Portals/0/n_rotor.pdf

by BT Murphy - Cited by 1

http://www.energy-tech.com/PDF/0912_ASME.pdf

by WD Marscher - 2006 - Related articles

http://www.sandv.com/downloads/0605mars.pdf

by RB Randall - 2004 - Cited by 26

http://www.sandv.com/downloads/0403rand.pdf

by B Cowper - Related articles

http://www.lamalotech.com/Failures on Systems with Z-Drive Thrusters V4.pdf

by HY Lau - 2009were demonstrated as the shaft orbit under three different rotational speeds in Figs. 8, 9 and 10. It is noted that all these ...

http://www.iaeng.org/publication/WCE2009/WCE2009_pp1493-1498.pdf

directions so they can provide shaft orbit graph. In order to reduce the interference between these two probes, their positions should have an offset as ...

http://www.spectraquest.com/tech/oil_whirl_whip.pdf

Orbit-An effective Diagnostic Tool for High Speed Turbo machines ... amplitude(Displacement) of the rotating shaft. Using connected gauges is possible. ...

http://www.irma.ir/files/site1/yekta_program/docs/239.pdf

The impact on shaft orbit is shown in Figure 6 (below), and this error motion will be transferred onto the drill bit clamped in the collet in the front of ...

http://www.circuitree.com/CT/2006/05/Files/PDFs/Micro drilling - web article.3.pdf

The balanced shaft pressure, combined with a high mechanical and volumetric output ... torques allow for the use of the orbit motor in many fields of appli- ...

http://www.partrite.co.za/Hydraulics/Orbit Motors.pdf

Bearing failures and their effects on Shaft Integrity ... Typical Shaft Orbit for a Healthy RCP ... Orientation of orbit changes with vibration changes ...

http://www.asmeconferences.org/nrcasme9/3a_Hassenpflug.pdf

to quantify the total amount of shaft vibration in the X and Y directions. In many applications these two measurements are combined to form a shaft orbit ...

http://fourtotwenty.com/documents/Compliance_with_API_Standard_6701.pdf

If feasible, avoid a shaft critical at maximum rated shaft speed for 1.0, 1.5, and ... LamaLo Technology Inc. Shaft Orbit Prior to Realignment ...

http://www.tkk.fi/Units/Ship/ICMES2003/Z-Drive ICMES 2003 Presentation.pdf

spectrum contains both the positive and negative frequencies. 2. Orbit and full spectrum measurements. To study motion of the shaft in a journal ...

http://homel.vsb.cz/~tum52/publications/TumaPaper ICCC2004.pdf

by N Bachschmid - 2004 - Cited by 7

http://www.scielo.br/pdf/jbsmse/v26n2/21055.pdf

One interesting feature of this data is that the shaft orbit is actually smaller on the ZCAB than on the magnetic bearing. ...

http://www.miti.cc/newsletters/08_Auxiliary_bearing_developed_140mm_shaft_1000lbs_load_18,000rpm.pdf

first orbital shaft orbiting around the first drive shaft axis, .... orbital shaft 21 orbits around die second drive shaft axis. ...

http://webdb2.patent.gov.uk/p-find-publication-getPDF.pdf?PatentNo=GB2454523&DocType=A&JournalNumber=6260

0 MagLev. Orbit. The shaft and bearing have no direct contact during operation, and so will experience no friction, no matter how the fan is oriented. ...

http://www.sunonusa.com/pdf/VapoBearingMaglevTechnology.pdf

by J Penny13 - 2003 - Related articles

http://michael.friswell.com/PDF_Files/C168.pdf

by C DellaCorte - 2004 - Cited by 2

http://gltrs.grc.nasa.gov/reports/2004/TM-2004-213058.pdf

by JS Rao - 2003 - Cited by 3

http://nippon.zaidan.info/seikabutsu/2003/00916/pdf/igtc2003tokyo_ts016.pdf

The shaft orbit was unsteady and similar to whirl phenomena experienced on shaft instability vibration problems (self-excited vibrations); however, the ...

http://www.engdyn.com/images/uploads/18-experiences_with_nonsynchronous_forces_vibration_centrifugal_compressors_-_drs&jcw_.pdf

The shaft vibration at the running. s p d frequency was only 1 mil while the subsynchronous vibrations were approximately 3 mil's. The shaft orbit was ...

http://www.engdyn.com/images/uploads/25-nonsynchronous_forced_vibration_in_centrifugal_compressors_-_drs&jcw.pdf

the bearing to measure shaft vibration relative to the bearing housing. These .... result in lubricant vapors that could be ignited. ORBIT.

http://www.bentlytribology.com/publications/articles/4Q01bognatz.pdf

In fact the direction of the shaft orbit, called rotor whirl, is forward, i.e. in the same direction as the shaft rotation. Backward whirl is not excited. ...

http://www.aer.bris.ac.uk/contact/academic/friswell/PDF_Files/C113.pdf

- Related articles

http://turbolab.tamu.edu/uploads/files/papers/t37/T37-TUT02.pdf

difficult to measure shaft eccentricity and orbit for investigating .... The shaft orbit as measured by two eddy current probes placed ...

http://www.bearingsplus.com/pdf_files/papers/turbomachinery/tms_vol2710_1998.pdf

The angle generally differs from 90°. In this case, one must reconstruct the complex-valued shaft orbit prior to applying a complex Fourier transform to it. ...

http://www.ulb.ac.be/polytech/laborulb/shaft/monitoring_shaft.pdf

For information about VibroSystM unique orbit graph of shaft runout ... Figure 5 — Comparison of shaft orbits during field excitation at Upper Guide Bearing ...

http://www.marubun.co.jp/product/measurement/electric/qgc18e000003b8jf-att/NWLTR02E.pdf

11 - Shaft orbits during field excitation at. UGB (left) and TGB (right). Note the change in path and direction on UGB and the absence of change on TGB. ...

http://www.marubun.co.jp/product/measurement/electric/qgc18e0000000pg8-att/HV06_ArrowLakes.pdf

1. the shaft centreline plots which are measured during the runup and loading of the steam turbomachine. 2. shaft orbits which are measured at the maximum ...

http://www.realitymeasurements.com/vibration-institute-paper.pdf

functions, spectra and shaft orbits provides further informa- .... The "stacked orbit" diagram presents the shaft orbits, for these generally three measure- ...

http://www.bruel.hu/doksik/vc5000.pdf

by G Zhao - 2008 - Cited by 2

http://downloads.hindawi.com/journals/ijrm/2008/321308.pdf