Viber X3 Manual - VMI International AB
Contents
1. Group 2 Medium sized machines with a rated power above 15kW up to and including 300kW Electrical machines with shaft height between 160 lt H 315 mm Operating speed normally above 600 RPM Group 3 Pumps with multivane impeller and with separate driver with rated power above 15kW Group 4 Pumps with multivane impeller and with integrated driver with rated power above I5kW Vibration Measurement Instruments 9 Vibration analysis Recommended vibration levels in mm s and common findings The list and table on previous page can be used as a first consideration when you approach a machine newly commissioned or after some time in operation Investigate the reason for any machine that vibrates above 3 mm s RMS Do not leave levels above 7 mm s without analyzing consequences 0 3 mm s 0 0 12 in s Small vibrations None or very small bearing wear Rather low noise level 3 7 mm s 0 12 0 28 in s Noticeable vibration levels often concentrated to some specific part as well as direction of the machine Noticeable bearing wear Seal problems occur in pumps etc Increased noise level try to investigate the reason Plan an action during next regular stop Keep the machine under observation and measure at shorter time intervals than before to detect a deterioration trend if any Compare vibrations to other operating variables 7 11 mm s 0 28 0 43 in s Large vibrations Bear2. Templates If everything went as it should there is now a copy of Grinding Machine 1 here 36 E Templ Add measurement group Add machine Add measurement point Add measurement Delete View trend Export Sort storage slots Route plan 37 from instrument group or location machine Import measurement Add measurement Add Add measurement point measurement Add Remove Properties Ej WW Measurement project 88 Balancing reports 8 Grinding department 6 4 Grinding machine 1 i g Bearing free side H Q Bearing drive side 9 40 Grinding machine 1 copy Edit the text and type Grinding machine 2 Add ww Measurement project E Balancing reports B E Grinding department g 40 Grinding machine 1 8 e Bearing free side snd Horizontal 1 fe Vertical 2 cde Axial 3 ZZ Bearing condition Bearing free side Temperature Bearing free side 1 e Bearing drive side di Horizontal 4 E We Vertical 5 m Axial 6 de Bearing condition Bearing drive side L ul Tempe Bearing drive side 2 de Bearing condition Bearing free side S Temperature Bearing free side e Bearing drive side point measurement Remove Properties 38 Expand all measurement points in the tree and we can now see
3. t t xel E Import measurement Add measurement Add Add measurement Add Remove Properties Export Windows from instrument group or location machine point measurement data M Import data Configuration Measurement data Window Measurement project 51 0 Measurement project 5 Balancing reports Grinding department Grinding machine 1 b 1 Description Electrical motor free side Enter name and comment In the same way creates a new subfolder Grinding department The next step is to add a machine Click Add machine in the toolbar and write Grinding machine 1 in the dialog box 11 3 Adding measurement points and measurements Then select the measurement point in the same way usually a bearing In this case we want to measure two bearings in three directions for each machine Also tempe ratures shall be measured Click the Add measurement point button and write bearing in the name field and a description in the other always follow the power s way in the machine start with not driven side m Graph settings ir Import measurement Add measurement Add Add measurement Add Ri from instrument group or location machine point measurement Import data Configuration Measurement project Ew Measurement project 5 43 Grinding department Add measurement 40 Grinding machine1 Name Bearing Description Electrical motor free side C
4. im Vibration Measurement Instruments VIBER X3 va ay M E WWW Vmiab com Manual Ver 3 0 Refers to VIBER X3 rev 1 7 Software 5 0 Vibration Measurement Instruments Index Important information 3 2 Introduction 4 3 Scope of supply 5 4 Instrument keypad and LED s 6 5 Setting Menu and Functions 7 6 Screen descriptions 8 7 Warning messages 14 8 How to interpret vibration levels 15 9 Vibration analysis 17 10 Balancing with VIBER X3 21 Li Trend View software 30 Technical data VIBER X3 52 Vibration Measurement Instruments Our x series of hand held instrument VABER VIBER X1 VIBER X2 VIBER X31M VIBER X5IM Vibration Measurement Instruments VW 1 Important information Safety precautions Vibration measurement and balancing involves measurement on rotating machines Keep a safe distance to rotating parts and secure transducers and transducer cables from rotating parts Always follow internal local and na tional security regulations When working with weights on the rotor always secure the start switch with a locker and also use the emergency switch for double safety This is especially important when the machine is remote con trolled VMI takes no responsibility for any accidents on people and machines VMI and our authorized dealers will take no responsibility for damages on machines and plants as the result of the use of VIBER X3
5. measurements VMI has the aim to improve and develop our products why surely an up graded version of this manual will be distributed in the future As a result of this we might change and correct these items in later issues without further notice Also changes in the VIBER X3 equipment may take place that affect the accuracy of the information Vibration Measurement Instruments WW 2 Introduction VIBER X3 is designed for maintenance repairer and operators personnel It is an excellent tool for basic condition monitoring checks easy to use and reliable for status analyse The VI BER X3 M instrument has the following features Accurate measurements in 4 selectable frequency ranges Gives higher reliability Real time measurement of the total vibration level and the Bearing Condition BC measures and displayed simultaneously facilitate analysis of Bearing faults Headphone set with volume control and high pass filter for Bearing noise detection Can be used without BC measuring and trending to save time Uses if there are many small Bearings as in printing machines or conveyors and similar applications Listening to bearing sound while comparing the displayed BC value Fast and easy fault analysis screen displaying the five highest peaks with amplitude and frequency one by one Measurement units and measurement presentation may be selected by the user from the following list g value RMS Peak or Pea
6. that we must assign measuring points for grinding machine 2 slot number Import measurement Add measurement Add Add measurement Add nt measurement Add measurement group Add machine Add measurement point Add measurement Delete View trend Export de Bearing condition Bearing drive side i Temperature Bearing drive side 59 We Bearing condition Bearing free side 1 Temperature Bearing free side Grinding machine 1 Bearing free side Grinding machine 1 Bearing free side Vertical 1 Temperature Bearing drive side ing machine 2 HEB Se eV FH bane lw Bearing condition Bearing free side Temperature Bearing free side B Bearing drive side ce Horizontal 10 lie Vertical od Axial 12 si Bearing condition Bearing drive side Es E pede ure Bearing drive side ig ipee FBNRBSRSRER ERE ESPN Tone Import measurement Add measurement Add Add measurement group or location machine Add point measurement Remove Properties g Measurement project Ei Balancing reports Grinding department d g 4 Grinding machine 1 8 re Bearing free side E Gadling machine 2 Bearing free side Lag et Bearing condition is stored in horizontal direction on each bearing If you don t measure this direction you must choose one of the directions you me
7. Measurement nr 1 Data 1 Measurement nr 2 Data 2 Measurement nr 3 Data 3 ibration Temp ibration 1 2 4 5 6 LE 8 9 10 Screen shots showing where the data is stored in VIBER X3 How to find these menus are described on page 7 49 Vibration Measurement Instruments m 11 7 Viewing trends When all measurements are saved you can choose the graphics and see the changes from the start of the measurements Choose the direction for the trend diagram you want to study To view the measured data just double click on the measurement in the project tree The window showing the measures are automatically adju sted to the values that are shown For changing the visual range just use the toolboxes in the header w 3G ud amp gt VMI Trend Viewer Measurement Vertical ce 2 Home Graph settings i TT Day Week Month Year All L Set Range Vertical scale Measurement project Measurement Vertikal x Measurement Tempature iBearingl Measurement empature zw Measurement project ig Balancing reports Ef Grinding Dep 6 a Grinding Machine B Q Bearing fe Vertical 1 Count 8 db Tempsture Bearing oan rm ri ie Property can be used for changing the unit displayed in the Diagram all measuring points are available in all units like Velocity Acceleration and Displacement 50 a Vibration Measuremen
8. disable 6 Upload Choose to upload saved measurements and balancing results 7 Delete Used to remove stored measurements Clear mem To remove one measurement from the VIBER X3 memory list use the ALL vib Hold for Save button The function delete in the menu for deletion can also be used to view stored measurements in VIBER X3TM memeory Vibration 99 99 Temperature list exit from the memory list with the Hold for Save button Balancing ALL temp E Vibration Measurement Instruments WA 6 Screen descriptions 6 1 Analysis measurement screen In the analysis screen you are able to see the total value as well as the amplitude and frequency of the five highest peaks in the spectrum range If you have enabled the audio see audio screen you may also at the same time listen to the bearings In the upper right corner you will see the battery status and if the charger is plugged in or not x Indicates battery status and if it is charging Total value mm 29 00 Mi PTS He 6 1600 Hz Peak 1 25 74 2975 PPM Stable Kekik Measurment Stability bar Freguency range Peak number Amplitude Freguency RPM Measurment status If alarm is activated levels will be displayed if not are displayed Measurement status can be one of following Measuring Vibration measuring is ongoing Autoranging The instrument is calcul
9. have the highest vibration caused by unbalance Use this measuring point for all following measurements If you need to leave the place during the balancing proce dure disconnect the accelerometer BNC connector from the instrument and leave the accelerometer at the point from where the measurements are taken If this is not possible mark the position with a pen or paint It is important that it is only the trial weights that will influence the vibrations and not the change in vibrations due to a different position of the transducer 21 Vibration Measurement Instruments During the balancing procedure remember that It is only possible to balance machines where the unbalance is the major cause of vibration Do not change the position of the vibration transducer after the start of the balancing procedure Balancing using this method requires only three consecutive trial runs and changing the balance status of the rotor Only measurement of the vibration level is needed Balancing will only reduce the vibration caused by unbalance VIBER X3 can display the frequency of the 5 highest peaks unless one of them is the same as actual speed the cause of high vibration probably is something else A balancing round will often be a good approach and a first attempt to find the reason for increased vibration If the balancing attempt is not successful the cause can be loose rotor parts or other faults If the machine
10. part of your Ww Ver Export database are ready and can be stored in Jie li Bed arbe o the computer Properties If you need to edit anything in your database mark the issue and click with the right button on your mouse and choose properties All properties can be changed or renamed in the coming menus 11 5 Measuring Try to make the database with machines you want to measure within the same interval weekly monthly etc The machines to be included in the program provided by VIBER X3 and Trend View PC program must be fit with a measuring point direction do cumented similar to the proposals contained in this manual When working with this route measurement we recommend marking each point with a number that is always used in these measurements If measurements are made in 3 directions the measurements will be saved at each measuring point which normally are the bearings When you press the measurements on the Hold for SAVE key a proposal slot where the data should be saved is showed it can be accepted or moved to another measuring figure by arrows Up and down Arrows moves the slot one number side Arrows moves 10 numbers all seen in the display When the is pressed the measurement is saved and the instrument conti nues to measure If you not want to save press the Hold for SAVE key once more and you get back to measure mode 42 Vibration Measurement Instruments 11 6 Upl
11. speed is variable be sure to choose the same speed during every trial run Do not search the speed that gives the highest vibration Such speeds mostly show non linear results Start balancing with measuring the bearings in the directions horizontal vertical and axial Select the direction in which the highest vibration is read The highest vibration should be at the same speed frequency as the machine speed frequency the highest vibration at this speed frequency is normally imbalance You must use the same radius for the trial weights and the balancing weights Accuracy in balancing ensures a good result 22 Vibration Measurement Instruments VW 10 1 3 point method for balancing Three point method has been further developed and adapted to VIBER X3 The new balancing gives results fully comparable with advanced instru ments This has been achieved by measuring signal can be filtered with speed rate this could not be done with older instruments working exclusively on the total levels Balancing Classes are available in standard ISO 1940 there are recommendations for various applications We can with 3 point method and a VIBER X3 at normal rotor weights and speeds often balance to class G 2 5 This method calculates the balancing weight and where to place it The balancing requires 5 starts test runs Test drives 1 5 1 Test drive 1 measures the unbalance before action 2 Test drive 2 with trial we
12. we Vertical 2 1 fw Axial 3 1 A Bearing condition Lager frisida 1 Temperature Lager frisida 1 1 3 49 Lager de If you set the cursor on these boxes see an e Horizontal 4 1 explanation at the bottom of the left side lie Vertical 5 1 fe Axial 6 1 Av Bearing condition Lager drivsida 1 i Temperature Lager drivsida 2 55 Templates Number of measurements stored Data for the vibrations and temperatures are stored in V mm s separate tables and can therefore B C gvalue have the same slot number but in Fg 4 the different tables IB ral zn 8 EN 10 Screen shots showing where data is stored in VIBER X3 M t takes three memory locations to store the three directions of measurement horizontal vertical and axial How to find these menus are discribed on page 7 47 Import measurement Add measurement Add Add measurement Add Remove Properties group or location machine point measurement 52 29 Grinding department 5 40 Grinding machine 1 Bearing free side _ Jie Horizontal 1 2 e Vertical 2 2 DO 4M Axial 3 2 vw Bearing condition Bearing free side 2 _ Temperature Bearing free side 1 2 Bearing drive side l Horizontal 4 2 a Mw Vertical 5 2 e Axial 6 2 a Bearing condition Bearing drive side 2 0 Temperature Bearing rive side 2 2 88 Templates For example the next day when you have performed a new series
13. 73 24 65 Measurement scale in example V mm s Check that the machine s base speed is shown on the RPM If not scroll using the up down arrows until the speed of the machine 1s displayed Wait if possible until the stabilization indicator has gone down to zero or else try to save as stable value as possible press the green button to save Turn off the machine Prepare the next measurement by stepping forward with the right arrow key 2 Test run No 1 Install the selected sample weight in our example 3 0 grams in the selected position Pos 1 Start the machine wait until it is stable measurement preferably with the stability indicator is 0 Check that the speed is the same as last time save with the green button Turn off the machine Prepare En iad FERE the next measurement by stepping forward with the right arrow key 12 75 BA 3 Test run No 2 Moving the test weight from position 1 to the calculated distance in our example 136 1 mm towards the direction of rotation Item 2 or if the angle calculation made to 120 Then do the same as test run No 1 d 30 91 27 Vibration Measurement Instruments Test run No 3 Move the test weight from Item 2 to the calculated distance in our example 272 3 mm calculated from Item 1 towards the direction of Item 3 or 240 of angle calculation used Then do the same as when measured 1 and 2 m d 2B 74 10 9 Balancing the mach
14. ACCEPT Green key I Hold for SAVE key for Route and Balancing measurements e 1 Hold key 4 Arrow white keys 4000 1 Green LED lights when any key is pressed 1 Yellow LED lights when the measurement is above the warning set level I Red LED lights when the measurement is above the danger set level NOTE As default when the instrument starts the transducer power is ENABLED Vibration Measurement Instruments 5 Setting Menu and Functions In the Function and Setting Menu you can set or choose menus or functions by using Arrows and green Button for navigation Functions Vibration Temperature Audio Balancing Settings Upload Delete 1 Vibration Green button choose to measure vibration 2 Temperature Green button choose to measure Temperature 3 Audio Green button choose to open Audio mode make start of liste ning possible default is enabled 4 Balancing Green button choose balancing choose a new or an Ongoing 5 Settings Use for make settings for the functions nstrument Backlight on off Auto shutoff Language Imple mented languages are English Swedish French German Romanian Czech Spanish Portuguese and Finnish Transducer sensor sensitivity and power On Off Vibration Set level and enable or disable Alarm Warning Units displayed Temperature Unit Emissivity set level and enable or disable Alarm Warning Audio Filter On off Sound enable or
15. ase contact your instrument supplier for avaliability Vibration Measurement Instruments 6 2 Temperature measurement screen In the temperature screen you see the temperature of the object you are measuring gt Temperature Stability bar Emissivity Current emissivity factor factor 0 98 Measurement status Averaging Temperature measurement status can be one of following Averaging Averaging of the measured data OK The measurement is stable Overflow The signal is too high the measurement 1s incorrect not readable In case of amplitude out of range the value is shown as 3 stars When the measurement is stable the last message line shows OK Available measurement units are Celsius and Fahrenheit F Direct the IR temperature transducer towards the surface you want to mea sure Keep a distance of approximately 200 500 mm 8 20 inches between the instrument and the object Reduce the distance between the object and the instrument in accordance with the surface size Note when you get the temperature that differs most to the surroundings then you probably have got the right direction The measurement surface size related to the distance 8 1 When MENU key is pressed the Temperature Settings menu is shown 10 a nd Vibration Measurement Instruments The following temperature settings are possible Au
16. asure change direction in properties 40 assigning numbers of the temperature as we did fo saos Seket he measuring po hich Pas Sot une Ian it ek i de Bearing condition Bearing drive side 1 Tonpa Bearing drive side 2 Gri Bearing condition Bearing drive side Lj Temperature Bearing drive side SREGBEREKRR BRE SY EN OO eee Add measurement Add Add measurement group or location machine point measurement de Bearing condition Bearing drive side i Temperature Bearing drive side 2 2 Gaining machine2 ede Bearing condition Bearing free side i Lll Neueste Bican rect 3 Es Horizontal 10 ER Vertical 11 41 Vibration Measurement Instruments WA 11 4 Create Route Plan and editing database from instrument group or location machine point Import data Configurati You can extract a list Route Plan from the program to use as an orientation and Measurement project reminder where the measuring points 2 48 Grinding department are located t4 Grinding machine 1 md Addam grote Right click in the Measurement Project Nw Ver Add machine at the actual location Department Add meaurement point Building i e and choose Route Plan xa print out a list this helps a lot when 0 19 measuring the route 3 4 Grinding n Delete z 4 bearing li Hoi When you have done this a
17. ating the best measurement level range Averaging Averaging of the measured data OK The measurement is stable Overflow The signal is too high the measurement is incorrect not readable In case of amplitude out of range the value is shown as 3 stars When the measurement is stable the last message line shows OK Vibration Measurement Instruments The frequency appears as follows Frequency range Frequency range of peak detection 2 400Hz 2 400 Hz 6 1600 Hz 6 1600 Hz 11 3200Hz 11 2000 Hz 10 1000 Hz 10 1000 Hz The following item settings are available wm Autoshutoff ENABLED or DISABLED Shutoff after 60 seconds 20 sec 30 sec 40 sec 1 min 2 min and 3 min g RMS Peak or P P m s RMS Peak or P P mm s RMS Peak or P P um RMS Peak or P P inch sec RMS Peak or P P mils RMS Peak or P P 2 400Hz Range 6 1600 Hz 11 3200Hz 10 1000 Hz EN CINES ITI NNNN Depending of firmware version During calibration the transducer Do not change after instrument cali Sensitivity mV g sensitivity can be adjusted between bration Set sensitivity in accordance 0 1 to 99999 mV g with the transducers ENABLED or DISABLED 4 mA for accelerometer Can only be set for units mm s and in s RMS Standard languages are English Swedish French German Czech Romanian Spanish Portuguese and Finnish For another language ple
18. bration Temperature Audio Balancing Settings Upload Delete If you want to make further improvement you must start a complete new balancing using smaller trial weights This is the disadvantages of the 3 point method compared with the Single plane balancing method Vw Balancing report Balancing results Weight 0 0g Angle 0 0 Improvment 0 0 TRIAL 1 Acceleration 0 000000 g rms e Speed 0 000000 mm s rms Displacement 0 000000 um rms Balancing setup Test frequency Y E Trial weight w TALS Shaft diameter Trial 1 Acceleration 0 000000 g rms Speed 0 000000 mm s rms Displacement 0 000000 um rms Trial 2 Acceleration 0 000000 g rms Speed 0 000000 mm s rms Displacement 0 000000 um rms Trial 3 Acceleration 0 000000 g rms Speed 0 000000 mm s rms Displacement 0 000000 um rms Vibration Measurement Instruments 11 Trend View software use for trends and route This software is designed to trend measurement and this enables the users to monitor the condition in machines Trends are one method to perform condition monitoring CM TREND VIEW TM is designed for use only with VIBER X3 For every plant or building you can create a database and a route with up to 100 measurements Each measurement store vibration amplitude and bearing condition If you also store Temperature there is an additional space for 100 temperature measurements This covers normally 5 20 machines depend
19. dditional grinding machine 2 you can make a copy of the machine 1 Notice that you can copy machines by pressing Ctrl and left mouse button simultaneously and drag the item where you want to copy it use only the left mouse button to move machines in the route 35 Home Na Ed A Er 2 p asurement Add measurement Add Add measurement Add strument group or location machine point measurement rt data Configuration ent project Slot Data asurement project Balancing reports Grinding department csse Se eee a Bearing freesi ay mplates Place the cursor on the text Grinding Machine 1 press the Ctrl key while holding down the left mouse button Drag the object to the desired location in our example to the grinding department release the keys e Export data Measurement data K amp Remove Properties yay a ad SOY Home Graph settings E 2433 p MA ow Mn gt dal Import measurement Add measurement A Add measurement Add Remove Properties Export Route Windows from instrument group or location machine point measurement data plan Import data Configuration Measurement data Report Window Measurement project Slot Data Measurement project 88 Balancing reports 2 42 Grinding department Ban Grinding machine 1 6 Bearing free side 6 Bearing drive side oe Grinding machine 1 copy
20. e frequen cy as a resonance frequency the vibration will be amplified in this machine part and a much higher vibration level will occur To identify measure the vibration levels in three perpendicular directions at the bearings If you find a measurement with at least three times higher level than in the other directions consider resonance as a likely possibility The resonance is amplifying the mechanical force and thus gives a high vibration in that direction The resonance makes the machine unnecessarily sensitive to mechanical forces Actions to handle a resonance are different depending on its location opera ting conditions etc It will normally require experience to alter the situation One reason is that the modification can affect the basic mechanical design of the machine and normally require the competence of a machine designer We recommend however to consider such modifications since the change of the resonance frequency normally is cheap compared to the high maintenan ce cost that will follow any attempt to run a machine under the influence of a resonance Sometimes it s possible to change the speed of machines which often is a simple solution a Vibration Measurement Instruments Wo 9 2 Recommended bearing condition levels The bearing condition value is the total RMS value of the acceleration of all high frequency vibrations within the range from 1500 Hz up to 20000 Hz with the unit g Find the
21. e up down arrow keys If the diameter is 130 mm enter the value and confirm with the green button Settings Settings la Trial weight diameter Trial weight __ qt Fk VIBER X3 now calculates the distance to the periphery of the three test points Remember these three points on machi z ne part with a pencil or marking tape Mark the positions in Se the direction of zero 0 as position 1 and others Item 2 and Settings Item 3 in the direction towards the rotation 000130 0 o F 10 7 Calculating the angle The instrument calculates the angle of the balancing weight The runs to 0 120 240 indicated that the test weight should be placed at these angles 7 Preparations of first test drive Move the cursor to the field at the bottom that has a left and right arrow symbol press the right arrow key to display the screen for mea Settings Angular ELLE surement Left and ME _ Trial weight 2970 4 H right arrow 24 61 The left and right arrow key provides a means to jump back and forward between the steps in the balancing procedure 26 Vibration Measurement Instruments 10 8 Balancing 1 Start the machine initial run VIBER X3TM measures and cal culates the five largest amplitudes in the spectra To reduce noice and disturbance the signal is filtered Stability 2970 indicator 24 61 CO E Pl 29
22. ement Instruments Y Warranty disclaimer VMI warrants the products to be free from defects in material and workmanship under normal use and service within two years from the date of purchase and which from our examination shall disclose to our reasona ble satisfaction to be defective Warranty claimed products shall be returned prepaid to VMI for service We reserve the right to repair or to replace defective products Always try to explain the nature of any service problem by e mail or telephone Check first all natural problems like empty batteries broken cables etc When returning the product be sure to indicate that the purpose is to make repairs and indicate the original invoice number and date of shipment to you if possible Warranty exclusions Damage not resulting from a defect in material or workmanship or by other than normal use Damage resulting from repairs performed other than by an authorized service centre The limited two year warranty and remedies co tained herein are in lieu of all other warranties expressed or implied including any warranty of merchantability and any warranty of fitness for a particular purpose and all other remedies obligations or liabilities on our part In addition we hereby disclaim liability for consequential damages for breach of any expressed or implied warranty including any implied warranty of merchantability and any implied warranty of fitness for a particular pur pose The dura
23. has gone out This message appears only if the Auto shut off setting is enabled The user may cancel the shut off condition pressing any key except ON OFF If no key is pressed the instrument will shut off in 5 seconds Shut off in 5 sec Missing This message appears only if you have forgot to connect transducer the transducer or if transducer is broken When the Transducer power setting 1s disabled the user has the possibility to use another external source for the vibration input a signal generator or a buffered output from another device When the instrument starts the Transducer power setting 1s always ENAB LED When this message appears it will remain on the screen even if the transducer is plugged in To continue the normal running mode in such a condition switch the screen temporarily to another menu When you come back the message disappears 14 Vibration Measurement Instruments VN 8 How to interpret vibration levels A user with no previous experience should use the ISO 10816 3 standard The standard normally calls for a velocity measurement in mm s RMS To better understand what this measurement means think of it as how fast the machine is moving back and forth This measure gives a good understanding of the amount of break down energy causing mainly wear and fatigue in the machine or the structure The instrument measures the total RMS vibration value in the frequency
24. he toolbar m I amp Leal T WN M Start a new file by clicking the white N Graph settings 7 paper in the upper left corner or 12 ut open an existing file by clicking the ba folder Import measurementw Add measureme from instrument woup locati Import data Measurement project To create a filename click on the VMI logotype and choose Save As 11 2 Set up the measurement project Set up the new project by clicking Add measurement group or location De pending on internal set ups on measurements you can make a hierarchically tree from the plant down to the measure point or just setting up a single machine In this example we choose Department Grinding department and adds two machines into the department After clicking the button Add measurement group or location the steps for continuing if you have not clicked on the white paper are the software will ask if you want to start a new project Project j You need a project before you can start storing measurements Do you want to create a new project now 31 ind Vibration Measurement Instruments Press the yes button in the dialog box and continue with marking Depart ment or another of the top level alternatives The top level of the database is usually a building or department which must be added to a measurement project the database Home Graph settings x Q Import measuremen
25. ight 3 Test drive 3 with trial weight 4 Test drive 4 with trial weight 5 Testing and verifying result 10 2 Important at all types of balancing are The machine must have the same rotational speed at all tests The rotational radius must be the same for both trial weights and balancing weights Placement of sensor must not be changed during balancing act Accuracy at measuring and mounting of trial weight is extremely important and critical for the result The behaviour of some machines can be non linear and can therefore not be balanced without constructional changes as rigidity mass or boundary conditions The manual is divided into two sections one with preparation and one section with balancing runs 23 p Vibration Measurement Instruments 10 3 Preparations before balancing act Start VIBER X3 and press the green button select with arrows Balancing from the main menu confirm with the green button setting the balancing parameters the uper half shows the rotor and trial weight symbol Rotor symbol has indicator for the trial weights pla cement The symbol for the sample weight has question marks before the weight is selected Move the marker to Trial weight and confirm with the green button 24 Functions Vibration Temperature Audio Balancing Settings Upload Delete Settings 4 b Settings Trial weight r J Vibration Measurement Instrume
26. ine After driving 3 instrument automatically calculates the balance weight and where it should be placed by pushing the right arrow appears in the display calculus in our example 4 1 grams and a calculated improvement of 95 7 pkt 4 pkt4 If the result is an error message for example Irrational vibration level that 1 The machine is rigidly mounted 2 Sensor 1s incorrectly positioned Estimated 2975 3 The trial weight is too small improvement 95 7 0 26 Ip 98 4 o Remove the test weight from pos 3 or 240 and fit the calculated weight of 4 grams to the calculated distance or angle indication in the instrument in this example 283 0 mm starting from position 1 towards the direction to the position where the balancing weight be installed position 4 Checking the result Scroll with the right arrow key to Final unbalance Start the machne check that the speed is the same as the previous runs wait for stable readings Con firm with the green button The end result in this example was better 98 4 than the estimated value Balancing is now complete turn off the machine attach the weight permanently Save result If balancing is to be saved use the button Hold for SAVE key select code under which file should be saved Confirm with the green button 28 Vibration Measurement Instruments 10 10 Balancing screen If you choose in the function menu balancing Functions Vi
27. ing on how many directions are measured on every Bearing and the number of Bearings That amount is equi valent to number of measuring points in a route If only one direction is measured at each measuring point choose the di rection with the highest vibration After the measurement the data can be uploaded to the computer In the computer you can store almost an unlimited number of machines You can choose what unit you want to display in Trend View Analyzing this information periodically you can act proactively and avoid fai lures Regarding installation of the software see the installation guide Bearing condition is stored in horizontal direction on each Bearing If you not measu res this direction you must choose one of the direction you measure change direction in properties Vibration measurement im Vertica Name the direction you measure and where the BC will be stored Direction determines where BC is stored 30 Vibration Measurement Instruments We 11 1 Start a Measuring Project You need a project before you can start storing measurements In this manual we are going to demonstrate how to set up measurements in two machines Grinding Machine 1 and Grinding Machine 2 In both machines vi brations bearing conditions and temperatures will be measured The machines belongs to the grinding department Start the program by clicking the icon on your desktop or choosing VMI Trend Viewer in t
28. ings running hot Bearing wear out cause frequent re placements Seals wear out leakage of all kinds evident Cracks in welding and concrete foundations Screws and bolts are loosening High noise level Plan action soonest Do your best to reveal the reason You are wearing down investments quickly 11 mm s 0 43 in s Very large vibrations and high noise levels This 1s detrimental to the safe operation of the machine Stop operation if technically or economically pos sible considering the plant stop cost No known machine will withstand this level without internal or external damage Reduce any further running time to an absolute minimum E Vibration Measurement Instruments WA 9 1 Resonance A resonance can easily be found when a flexible machine is running up or down its speed The resonance frequencies are located at the RPM s where the vibration has a local maximum level To understand a resonance you can compare with the string of a guitar The string has its natural basic tone that will ring as soon as the string is struck The actual frequency of the tune depends on the stiffness and the distributed mass of the string All machines have similar built in tones with corresponding properties consisting of stiffness and a mass in the form of mechanical strings such as shafts beams floors and in all mechanical parts If any natural excitation alternating force in the machine has the same or nearly the sam
29. k Peak m s RMS Peak or Peak Peak V mm sec RMS Peak or Peak Peak e V inch sec RMS Peak or Peak Peak e D mils RMS Peak or Peak Peak e D um RMS Peak or Peak Peak Bearing Condition measurements in a wide frequency range 0 5 16 kHz Built in infrared temperature sensor units in C or F Bar indicator shows measurement stability Vibration temperature and danger alarms by red and yellow colour LED s Fast battery charging capacity using an external charger provided in the delivery Display with backlight Adjustable Auto shut off for energy saving Dust and waterproof for rough use IP 65 Vibration Measurement Instruments VW 3 Scope of supply A complete delivery is VIBER X3 machine condition analyzer e A high performance accelerometer m transducer cable Extension tip magnet Battery charger Head phones Data storage with VMI Trend View software installation instructions and user manual Printed manual for instrument and software All this together are available in a sturdy airtight chemical resistant dust and waterproof IP68 case E Vibration Measurement Instruments m 4 Instrument keypad and LED s Hold for SAVE key Right and left Arrow key n 27 MENU and ACCEPT Up and down Arrow key a e E vw Green key Signal and headphone jack ON OFF The VIBER X3 keypad I ON OFF Orange key 1 MENU and
30. lick next and continue with adding the measurement points Ds N v Vibration Measurement Instruments go After that you choose the kind of measuring unit normally start with vibration and direction this example shows that choice The storage slot where to store the measurement is also set NETT E Home Graph settings ost Q am Import measurement Add measurement Add Add measurement Add Remove Properties Export Route Windows from instrument group or location machine point measurement data plan Import data Configuration Measurement data Report Window Measurement project Slot Data g Measurement project B Balancing reports 5 43 Grinding department 4P Grinding machine 1 E Templates Vibration measurement points V Add Horizontal measurement Default Storage slot Add Vertical measurement Default Storage slot Add Axiel measurement Default Storage slot Add speed measurement Default instrument channel corespondes to channel used in instrument 0 99 Example e In the storage table for vibration measurements Horizontal Storage slot 1 Vertical Storage slot 2 Axial Storage slot 3 In the storage table for temperature Temperature Storage slot Note When measuring the bearing conditions are automatically generated and saved Temperatures and vibrations are stored in different tables theref
31. ll measurments will be stamped with the same time Import aem Add measurement Add Add measurement from instrument point Import data g Ww Measurement project i Balancing reports i Slipavdelningen i B Slipmaskin 1 a Lager frisida iv Horizontal E Vertical e Bearing condition Lager frisida S Temperature Lager frisida B e Lager drivsida A Horizontal Horizontal 0 Vertical Vertical Axial E 22 Bearing condition Lager drivsida RN Axial i i Temperature Lager drivsida 19 15 124144 Horizontal nm Templates 5 19 16 859203 Vertical 1 943959 Axial 45 VMI Trend Viewer C Users Rolf Aberg VMIAB Pictures Trq Ne Bearing condition Lager drivsida i Temperature Lager drivsida 2 Click on next Add Remove Properties measurement 46 Vibration Measurement Instruments Home Graph settings 2 pe he 2 Uu a NAA M wd Jim P li aM A Import measurement Add measurement Ac Add measurement Add Re e Propertie Ex t RoL Windows from instrument group or location 2 Import data Configuration Measurement data Report Window Measurement project Slot J W Measurement project E Balancing reports 5 48 Slipavdelningen 23 49 Slipmaskin 1 5 4 Lager frisida li Horizontal 1 1
32. machine speed Follow this line up to the judgment lines and read the value on the left axis ACCEPTABLE 1 2000 S000 10000 20000 RPh 1 0 id 50 t 20 200 500 1 000 7 000 5000 The diagram above is a guide to interpret the bearing condition value If vibrations of other causes e g flow surge gear mesh are within in the selected frequency range this can give a high bearing condition value without the bearing being damaged A high bearing condition value can also be acquired if the bearing is poorly lubricated or is overloaded e g by misa lignment or large belt forces Compare this value with the bearing temperature If both are high or pointing upwards in the trend analysis you might have a bearing problem a Vibration Measurement Instruments 9 3 Listening to bearing sound The listening of bearing sound is an old method Sound analyzes of low speed bearings and gears can sometimes be much faster and even more reli able than just BC value With the VIBER X3 you can both listen and look at the BC value and vibration at the same time 20 Vibration Measurement Instruments VN 10 Balancing with VIBER X3 This chapter describes how you can perform balancing with your instrument The 3 Point Balancing method does not need any additional hardware exept for the VIBER X3 instrument and the accelerometer Mount the acce lerometer on the bearing and in the direction where you
33. must choose the Vibration Screen while the sound is enabled to see the vibration signal Warning To protect your hearing you should always remove the headphones from your ears when you move the sensor or re connect the cable When a headphone set is connected to the VIBER X3 the Sound Screen can be used to adjust the sound volume depending on hardware version there is also a volume control on the headphone cord Before changing volume the SOUND function must be ON Sound output status is enabled ON or disabled OFF in the Sound Settings menu Settings Instrument Transducer Vibration Temp Audio Selected BACK When the MENU key is pressed the Sound Settings menu is shown p Sound volume Filter YES Filter status Audio ON Sound status qa 2 9 dB Filter When the filter status is set to YES a high pass filter is activated enabling the user to only listen to machine noise in high frequencies Audio When Audio is ON using the LEFT and RIGHT arrows the sound level can be adjusted To do this press and keep the LEFT or the RIGHT arrow key pressed The volume will increase decrease slowly Depending on hardware version the headphone set can also be equipped with a volume control on the cord As safety precautions and to save battery the audio settings are always reset turning the audio off when the instrument is started 12 Note With a headph
34. nts L 10 4 Estimation Calculation of mass of trial weight T Trial weight unit mass grams W Mass of rotor unit mass kg R Turning radius of test weight mm S Speed RPM Constant 180 000 Example W 3 22 kg R 65 mm S 2972 RPM wich gives T 3 0 gram Enter the trial weight with the arrow keys and confirm with the green button W x 180000 5 Settings R xS Angular ai T Enter the trial weight HOB 10 5 Calculation of trial weight and position The instrument can calculate the position in two ways Angle calculation or length of the perimeter where the weight is placed This is specified as angle or peripheral length The length is calculated in the instru ment after the diameter is specified Settings Angular Move the highlight in the line that says Angle or peripheral Select whether you enter the revolving portion of a di pum T ameter or angle by switching with the a an green button VIBER X3 shows when trial weight placement as an angular me F 4 F asurement or the length of a circular arc The diameter shall be given to the part of the rotor where the weights should be applied 25 2 r qu Vibration Measurement Instruments 10 6 Calculating length of the arc Measure the diameter and scroll down to Dia diameter and press the green button Enter the value of the line Dia Choose numbers with th
35. oad measures When the measurements on the machine machines are complete data should be uploaded to the computer program 1 Connect the cable to the instrument s serial data connector it is the same as the headphone jack and to the computers USB connector You need to verify that the correct serial port 1s selected by the computer otherwise correct the chosen serial port In case of problems see installations guide for PC software 2 Put the VIBER X3 M in the mode Upload 3 Open the Trend View Software and select Import measurement from in strument Home Graph settings m n 2 4 A 2 Q dx jug d measurement Add Add measurement Add Remove Properties Export Rout Windows om instrument group or ldtatign machine point measurement data plan gt Import data Configuration Measurement data Report Window Measurement project g w Balancing reports EE Grinding department Bam Grinding machine 1 CAE Bearing free side 1 Horizontal 1 e Vertical 2 e Axial 3 lw Bearing condition Bearing free side Temperature Bearing free side 1 6 Lager drivsida lw Horizontal 4 Ww Vertical 5 safe Axial 6 B lv Bearing condition Bearing drive side Temperature Bearing drive side 2 88 Templates 43 VMI Trend Viewer C Users Rolf Aberg VMIAB Pictures Tre lw Bearing condition Lager drivsida ow Temperatu
36. of measu rements repeat transmission of measurement data to the PC as the previous example Data for the first series of measurements is stored in the database and the data for the second series of measurements are now stored and num ber of measurements counts up Vibration Measurement Instruments To view a chart double click on the measurement direction you want to see BITE MI Trend Viewer Measurement Horizontal Home Graph settings x Import measurement Add measurement Add Add measurement Add Remove Properties Export from instrument group or location machine point measurement data Import data Configuration Measurement data Measurement project Horizontal Measurement project NE Balancing reports 5 49 Grinding department B Grinding machine 1 Bearing L L4 Vertical fee Axial uw Bearing condition free side Po Tempature free side 3 4 Bearing drive side we Horizontal E Mw Vertical Axial e Bearing condition drive side ow Tempature drive side mm s rms On grinding machine 1 in the horizontal direction is three measurements made Data 3 The first measurement shows a vibration of 8 19 mm s Data 1 second measurement shows a vibration at 10 08 mm s Data 2 and the third measurement shows a vibration at 10 63 mm s data 3 12 00 Time 2014 02 11 2014 02 12 Grinding machine 1 Grinding machine 1 Grinding machine 1
37. one inserted at the maximum volume level the power consumption will increase with 150 mA To save the battery power turn the audio off when it is not used When the battery voltage is beginning to be too low and headphone set is plugged in the instrument will be automatically reset When the instrument is reset as default the sound is disabled In this way the instrument can continue to run for a while longer without the need of charging the batteries i i Vibration Measurement Instruments 7 Warning messages The following message may appear in normal operation This message may appear if the calibration data is lost from the permanent FRAM memory or if the calibration data are corrupted In such cases the instrument must be re calibrated otherwise it will measure incorrectly The message appears only once and then default calibration data is used Calibration lost When this message appears the battery voltage 1s too Battery low to ensure a correct running condition The measure too low ments may be invalid The instrument battery pack must be charged immediately using the external charger In or der to temporarily decrease the power consumption the backlight will be switched OFF The instrument can still work but only for a short while If even in this condition the voltage remains low the instrument will shut off in 20 sec Battery charge should not be terminated before the green LED light
38. ore the temperature readings are numbered separately 34 Home Graph settings CN Q lam Import measurement Add measurement Add Add measurement Add Remove Properties Export Route Windows from instrument group or location machine point measurement data plan 2 Import data Configuration Measurement Report Window Measurement project E Balancing reports Temperature measurments Tick the appropriate option One temperature measurement per measurement point Default Storage slot 1 E One temperature measurement per measurement direction Temperature unit w You will have an opportunity to choose the storage slot when the measu rements are stored in the instrument and also at the uploading of the data You need to notice where the measurement shall be stored in the computer Measuring point and direction See also Route Plan The appearance of the window is now Ke ar Import measurement Add measurement Add Add measurement Add Remove Properties Route Windows Report Window from instrument group or location machine point measurement plan so Temperature Bearing free side e E 4 Vertical 5 e Axial 6 lv Bearing condition Bearing drive side i i Temperature Bearing drive side 2 1889 Templates The same procedure are made for the second machine In order to expand the project with a
39. range This RMS value is the average sum of all the measured vibrations Example If the simultaneous vibration caused by unbalance is 4mm s by misalign ment 2 mm s and by the gear mesh 5 mm s then the total vibration mea sured with VIBER X3 is 6 7 mm s Total vibration RMS V4 4 2 2 5 5 6 7mm s Notice that a reduction of the unbalance from 4 mm s to 1 mm s will reduce the total value from 6 7 mm s to 5 5 mm s m Y Vibration Measurement Instruments A 8 1 ISO standard 10816 3 The ISO standard 10816 3 classifies machines differently whether the machi nes are considered as flexible or rigid mounted This reflects the location of the machines stiff body resonances related to the basic running speed of the machine For instance a machine supported by rubber or spring have resonances at low running speeds The machine starts vibrate at certain low revolutions When the speed is increased above these resonance frequencies the vibra tion is reduced This machine is considered flexible Modern machines that have high RPM s and flexible bearing supports and foundations can be treated as flexible even when they aren t mounted on rubber or springs Croup i Large machines with rated power above Industrial machines with power above 15kW and 300kW Electrical machines with shaft ee height H gt 315mm Operating speed Unit Grouptand3 Group2and4 ranges from 120 to 15000 RPM
40. re Lager drivsida Click on next VMI Trend Viewer C Users Rolf Aberg VMIAB Pictures Trend Import measurement Add measurement Add Add measurement Add point measurement Remove Properties le Bearing condition Lager drivsida v Temperature Lager drivsida 2 44 VMI Trend Viewer C Users Rolf Aberg VMIAB Pictures Tre Pe m Import am Add measurement Add Add measureme nt Add Remove Properties Export Route Windows from instrument group orlocation machine point measurement plan Import data Configuration te Window ww Measurement project 088 Balancing reports Slipavdelningen i B P Slipmaskin 1 g e Lager frisida e Horizontal 1 2 3 t se i pe Bearing condition Lager frisida d i Temperature Lager frisida 1 Timestamp each measurement individually B e Lager drivsida di m 4 C Timestamp all measurements with e Vertical 5 i pem iden 1 april 2014 Jy ie z Bearing condition Lager drivsida v Temperature Lager drivsida 2 B EA 4 As the instrument doesn t store times for the measuring just the time for Uploading it is possible to set times and storage slots during the uploading process Adjust the table by ticking the boxes that belong to the machine that the data comes from If you need to set dates manually mark Timestamp each measurement individually If not a
41. requency range 52 Vibration Measurement Instruments VN Note I Note 2 Note 3 Note 4 Note 4a Note 4b Note 5 Note 6 Note 7 Note 8 Note 9 User selectable between Hz and RPM User selectable Same as frequency range except for 11 3200 Hz range where peak detection ands at 2000 Hz Full scale is 50g for acceleration other units are frequency dependent Over 0 5 gBC Emissivity factor must be set in accordance with the target surface Capacity of the batteries can vary depending on hardware revision Max 2300 mAh storage temp 20 to max 60 C Operating time depends on backlight volume level and bat teries used Backlight adds 40mA and the sound volume up to 150 mA Charging time 1s approx 6 12 hours Operating temp min 0 C to max 50 C storage temp max TAE The restriction concerns display Instrument including battery and transducer OBS If you can change to another accelerometer then you have to change the senstivity mV g This 1s done in the menu under Transducer 53 Vibration Measurement Instruments VN VMI declares that the VIBER X3 is manufactured in conformity with national and international regulations The system complies with and 1s tested according to following require ments EMC Directive 2004 108 EC Low Voltage Directive 2006 95 EC Vibration Measurement Instrument International AB VMI 54 a Y Vibration Measur
42. t Add measurement Add Add measurement A from instrument group or location machine point meast Import data Configuration Measurement project B Measurement project B Balancing reports New measurement group or location What kind of measurement group do you want to add Home Graph settings M Add measurement Add measurement group or location machine point measur Import measurement from instrument ec Thereafter write the name of the de Measurement projet partment and eventually description zw Measurement project for internal use and continue with 189 Balancing reports T i next 32 Vibration Measurement Instruments VV LJ WB c T b Home Graph settings Import measurement Add measurement Add Add measurement Ad On the question Select where you from instrument group or location machine point measurt Import data Configuration want to insert measurement group Measurement project mark Measuring project or balan g w Measurement project gi cing ba E3 Balancing reports nd New measurement group or location Select where you want to insert new measurement group L Balancing reports Mark Measurement project And then press Finish LI 7 X i d i gt Irena viewer v Home Graph m
43. t Instruments m LE d e VMI Trend Viewer Measurement l Home Graph settings Import measurement Add measurement from instrument group or location Import data B Measurement project ji Balancing reports A 1 Grind pr aic wp Unit T Measur Grinding Machine Bearing Storage slot 1 Measu Vertical 0 Count 8 Tempature Bearing Direction dg To If there has been a remarkable change in the vibration or Bearing condition we advise you to measure and monitor that machine or Bearing with shorter intervals am Vibration Measurement Instruments Technical data VIBER X3 Selectable sensitivity in the instrument Input amplitude range With other sensor up to 500 g 2 400 Hz 10 1000 Hz 6 1600 Hz 11 3200 Hz Frequency range 2 400 Hz Frequency range of peak 6 1600 Hz Note 3 detection 11 2000 Hz 10 1000 Hz Storage capacity 100 measurements can be stored Three point balancing 10 balancing results can be stored Sound frequency 60 Hz 10 kHz 26 dB to 4 1 dB Filter enabled 500 Hz 10 kHz 26 dB to 4 1 dB Built in infrared sensor Temp Sensor measures down to 20 C but Temperature sensor R the instrument ambient temp must be ange 20 to 120 C 0 C or higher Bearing condition Note 4a Rechargeable Lithium 2300 mA h max 60 C CCENEN 7 Vibration F
44. tion of any implied warranty which might exist by operation of law shall be limited to one year from the date of original retail purchase NOTE Some countries do not allow the exclusion or limitation of consequ ential damages and some countries do not allow limitation on how long an implied warranty lasts so the above exclusions or limitations may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from country to country If you have problems with your instrument during or after the warranty period first contact the distri butor you purchased the unit from 55 Vibration Measurement Instruments 56 VW VMI International AB Gottorpsgatan 5 SE 582 73 Link ping Phone 46 0 13 474 37 00 E mail info vmiab com e www vmiab com
45. to shutoff ENABLED or DISABLED 20 Seeya d 29 ds Set the Auto shutoff time 2 min 3 min Keep key pressed to auto repeat Danger Keep key pressed to auto repeat Language If nothing else is specified at order English will be pre set Emissivity Should be set in accordance with the target surface Emissivity Set the coefficient for surface reflection factor Emissivity factor using the table below or check via a contact probe Emissivity factor Heat sink black anodized 09 _ hm ow __ ear Warning Incorrect setting of the emissivity factor can lead to considerable errors of measured temperature DISABLED Steel heat treated surface Don t use Warning Temp Emissivity 0 98 Alarm 60 0 C Danger 80 0 C ACCEPT mme nm To change Emissivity factor in the Function menu go to Settings then go to Temp scroll down to Emissivity and use the arrow keys to change the value To exit Settings menu just press again the 9 MENU key All settings will be stored into the permanent FRAM memory 11 nd Vibration Measurement Instruments 6 3 Sound screen Listening to machine sounds enables analysis of gears and low speed bearings 300 RPM in an alternative way and can improve analysis speed and quality VIBER X3 M makes it possible for the user to listen to the machine while at the same time seeing the vibrations in the instrument display Note that you
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