Baltech VP-3470 Operation Manual Download

Page: 74 / 88

Balancing

BALTECH VP-3470

Operation manual

Figure 74. Trim run

Figure 75. Trim run results

If the control measuring shows that the vibration doesn’t correspond to the
requirements due to the residual unbalance, it is necessary to repeat the trim run

(Figure 75).

Summary of Contents for VP-3470

Page 1: ...2016 OPERATION MANUAL BALTECH VP 3470 vibrometer balancer...

Page 2: ......

Page 3: ...erritory of the European Union Other registered trademarks logotypes and names specified in this document are property of BALTECH GmbH Reliability Baltech GmbH doesn t take any responsibility for any...

Page 4: ...5 Marking and packing 22 5 Operation conditions and prestarting procedures 24 5 1 Operation conditions 24 5 2 Preparation to operation 24 5 2 1 Unpacking and installation 24 5 2 2 Accelerometer instal...

Page 5: ...um 61 8 8 Peak and phase 62 8 9 Turning speed 64 9 Balancing 67 9 1 New balancing 67 9 2 Manual input 75 9 3 Re balancing 76 9 4 Influence Coefficient Method ICM 77 9 5 Vector math 80 10 Reports 81 10...

Page 6: ...rrection weights 31 Figure 10 Correction weights 31 Figure 11 Angle gauge 32 Figure 12 Connection of the network adapter to the display unit 34 Figure 13 Connection of the display unit to PC 34 Figure...

Page 7: ...re 43 List of measurement points 55 Figure 44 Time waveform 57 Figure 45 Time waveform 57 Figure 46 Report saving 57 Figure 47 Spectrum 58 Figure 48 Spectrum 58 Figure 49 Spectrum 58 Figure 50 Report...

Page 8: ...ion for angle method 73 Figure 74 Trim run 74 Figure 75 Trim run results 74 Figure 76 Repeat trim run 75 Figure 77 Report 75 Figure 78 Manual input step 1 76 Figure 79 Manual input step 2 76 Figure 80...

Page 9: ...n manual to call special attention to the associated text A note paragraph contains special comments or instructions A caution paragraph alerts you to actions that may injury personnel or have impact...

Page 10: ...measurement procedure safety requirements and requirements to transportation and storage of the vibrometer balancer BALTECH VP 3470 Read the operation manual carefully before you start using the vibro...

Page 11: ...bserve safety precautions according to ISO 20806 2007 Mechanical vibration Criteria and safeguards for the in situ balancing of medium and large rotors Nonobservance of the safety requirements may res...

Page 12: ...ns specifying actions that allow safely stopping the machine operation and instructions related to the use of auxiliary equipment excluding its contact with rotating components 3 3 Machine operation m...

Page 13: ...a limited number of times per hour The speed taker up from zero to maximum amount can be uncontrolled Therefore the size of the trial weights should be selected in such a way that the machine can t be...

Page 14: ...ing will not cause significant reduction in the quality of the generator cooling 3 4 Laser safety According to the ISO 60825 1 2009 the tach used in the device bolongs to the 2nd class of laser equipm...

Page 15: ...70 are given in the Table below Table 2 Technical characteristics Frequency range Hz from 2 to 10000 Measurement range of RMS vibration acceleration at the base frequency 159 2 Hz m s from 0 5 to 300...

Page 16: ...r of lines 400 800 1600 Windows Rectangular Hanning Blackman Harris Dynamic range dB Not worse than 75 Envelope detector with band pass filters 2 3 octave Hz 4000 5000 6300 8000 1 3 octave Hz 4000 500...

Page 17: ...ECH VP 3470 is given below Table 3 Delivery set Name Article Q ty Appearance 1 Display unit 8234 1 2 Shroud 7006 1 3 Power supply 4016 1 4 Vibration transducer with mounting magnet 8145 2 5 Magnetic s...

Page 18: ...rance 10 Electronic scales 4543 1 11 Middle clamp 4545 1 12 Small clamp 4557 1 13 Scissors 5992 1 14 Signal cable for BALTECH VP 3470 7291 3 15 Reflective film 8151 1 16 BALTECH Expert software 7991 1...

Page 19: ...40 pixels four LiFePO4 batteries and nonvolatile memory for storage of reports and operation information There are two channels 01 and 02 on the top panel of the display unit for connecting the vibrat...

Page 20: ...inum housing IP 65 with a film keyboard on the front panel Data interchange between the display unit and PC is conducted via the USB interface The function keys and alphanumeric keyboard are located o...

Page 21: ...anual Technical description 21 Figure 4 Front panel of the display unit 1 Battery indicator Green battery is charged Red battery is charged 2 Graphic display 3 CANCEL 4 ENTER 5 Navigation buttons 6 Al...

Page 22: ...used on the factory specification number IP code according to ISO 14254 marking of control units cottector plugs approval mark of types of measuring instruments auxilary information vibration standard...

Page 23: ...BALTECH VP 3470 Operation manual Technical description 23 Figure 6 BALTECH VP 3470 in the transportation case...

Page 24: ...plosive limit of a flammable or explosive substance Environment conditions Environment temperature 0 40 C Relative humidity by 25 C 95 Atmospheric pressure 84 106 7 kPa 630 800 mm Hg 5 2 Preparation t...

Page 25: ...etic base takes minimum time To ensure the reliable mounting of the accelerometer on the measurement object make sure that the magnet is firmly installed on the surface of the measurement object The m...

Page 26: ...o these bolts if there is no way to mount the sensor on the bolts If the machine has a subframe the measure points should be located directly on the points where the machine is mounted to the subframe...

Page 27: ...ynamic forces occur usually only due to poor alignment Never install the vibration sensors on auxiliary production parts slopes shrouds etc even if the vibration in these parts is the highest 5 2 4 Ac...

Page 28: ...ed to the display unit is uncoiled Install the vibration sensors only on the grounded equipment There is settling time for accelerometer that should be taken in account to perform accurate measurement...

Page 29: ...cal surface of the shaft Lmin KL n D 100000 Lmin KL n D 100000 where n shaft rotation frequency rpm D shaft diameter mm KL 2 618 rpm conversion factor Example If n 9000 rpm and D 120 mm the mark lengt...

Page 30: ...should be performed according to the defined direction towards against rotation The angular marking is made according to the direction defined in the balancing parameter settings towards against rotat...

Page 31: ...can use some available parts of the rotor For example half couplings can be used as balancing planes As for pumps exhausters and similar machines the correction weights can be installed on blades and...

Page 32: ...gure 11 Figure 11 Angle gauge 1 On off button 2 LCD display 3 Zero button 4 Magnet base How to use the angle gauge for detection of the installation place of the correction weights 1 After the install...

Page 33: ...nst direction of rotation till the angle gauge shows the result The place of installation of the correction weight will be opposite to the mark on the stationary part of the machine p 2 6 If the calcu...

Page 34: ...pter to the display unit 5 5 PC connection To transfer the reports kept in the device memory you should use the USB port Figure 3 For this purpose you need to connect the computer unit to the USB inpu...

Page 35: ...hibited For error correction of the file system you should perform its check using the function of automatic error correction For check of the device file system you should follow the actions below 1...

Page 36: ...cedure could not help to eliminate operation failures please contact technical specialists of BALTECH GmbH 5 6 Switching on To switch on the display unit press the Power button on the keyboard of the...

Page 37: ...Operation manual Operation conditions and prestarting procedures 37 Figure 15 Measurements 5 7 Switching off To switch off the device press and hold down the Power button Figure 4 Then unplug the con...

Page 38: ...ams and functions The main functions are performed with the display unit which has the following built in programs 1 MEASUREMENTS 2 BALANCING 3 REPORTS 4 SENSORS 5 GENERAL SETTINGS Each program has di...

Page 39: ...se of the vibration signal relative to the tachometer or stroboscope Turning speed Measures the rotor speed using the tachometer or stroboscope BALANCING New balancing Performs balancing of rotating p...

Page 40: ...Allows setting the date and time Standby mode Allows setting the standby mode Backlight Allows adjusting the display backlight Language Allows selecting a language 1 Russian 2 English Connect to PC Co...

Page 41: ...ime Date format dd mm yy Figure 16 Standby mode General settings Standby mode Time setting in minutes Figure 17 Backlight General settings Backlight Backlight setting in percentage from 0 to 100 Figur...

Page 42: ...42 General settings BALTECH VP 3470 Operation manual Figure 17 Set date time Figure 18 Standby mode Figure 19 Backlight...

Page 43: ...BALTECH VP 3470 Operation manual General settings 43 Figure 20 Language Figure 21 About device Figure 22 Selftest...

Page 44: ...The procedure is described in the Table below Table 6 Setting and connection of the vibration sensors Task Procedure Note Connection of the vibration sensor to the Channel 1 Sensors Channel 1 Select t...

Page 45: ...manual General settings 45 Task Procedure Note Deletion of the information about the vibration sensor Sensors Delete Delete the information about the vibration sensor Figure 28 Figure 29 Figure 24 Cha...

Page 46: ...46 General settings BALTECH VP 3470 Operation manual Figure 26 Add Figure 27 Edit Figure 28 Delete...

Page 47: ...BALTECH VP 3470 Operation manual General settings 47 Figure 29 Delete Figure 30 Confirm deletion Connect the sensors that were tested by the BALTECH specialists only...

Page 48: ...surements menu Each function is set up individually except for the ROUTES The procedure is as follows 1 Parameter setting 2 Measurement 3 Saving of the measurement results To navigate through the prog...

Page 49: ...urements 49 8 1 Setting of the measurement parameters The table below contains the parameters and ranges for the MEASUREMENTS program designed to perform the vibration analysis All the changes are sav...

Page 50: ...o 1 2 4 5 8 10 16 32 Averaging 1 100 1 100 1 100 1 100 Parameter RMS Peak Peak Peak Crest factor Kurtosis RMS Peak Peak Peak Band 2 200 2 1000 10 1000 10 2000 10 10000 Samples 512 1024 1536 2048 2560...

Page 51: ...n manual Measurements 51 8 2 Overall 1 Set the parameters and press Enter to start the measurement Figure 32 Overall menu 2 Perform the measurement Figure 33 Overall measuring Channel 1 Figure 34 Over...

Page 52: ...save the measurement result Figure 4 Figure 35 Report saving 8 3 Routes Configure the routes in the BALTECH Expert software see the Operation manual and download it to the vibrometer balancer BALTECH...

Page 53: ...Figure 35 Press Enter to select a machine Figure 36 Figure 37 List of machines Press Enter to select a measure point Figure 37 Figure 38 List of measurement points Select confirm the measurement chan...

Page 54: ...ction of the measurement channel The instrument automatically detects to which channel the sensor is connected If no sensor is connected the device will notify about it Figure 39 Figure 40 Sensor is n...

Page 55: ...s and hold Cancel Figure 42 Measurement process in ROUTES function To save the measurement results press Enter The list of the measure points will be displayed on the screen Figure 43 List of measurem...

Page 56: ...Expert software 8 4 Time waveform 1 Set up the parameters and press Enter to start the measurement There are three ways of starting the measurement 1 auto the measurement starts after Enter is pressed...

Page 57: ...H VP 3470 Operation manual Measurements 57 Figure 44 Time waveform 2 Perform the measurement Figure 45 Time waveform 2 Press 0 to stop the measurement Press Enter to save the results Figure 46 Report...

Page 58: ...rements BALTECH VP 3470 Operation manual 8 5 Spectrum 1 Set the function parameters and press Enter to start the measurement Figure 47 Spectrum Figure 48 Spectrum 2 Perform the measurement Figure 49 S...

Page 59: ...and 4 increase to adjust the scale Press 0 to perform the measurement again To return to the settings press Cancel 3 Press Enter to save the measurement results Figure 50 Report saving 8 6 Envelope 1...

Page 60: ...ement Figure 52 Envelope measuring When viewing the graph use the button 3 decrease and 4 increase to adjust the scale Press 0 to perform the measurement again To return to the settings press Cancel 3...

Page 61: ...l Measurements 61 8 7 Envelope spectrum 1 Set the function parameters and press Enter to start the measurement Figure 54 Envelope spectrum Figure 55 Envelope spectrum 2 Perform the measurement Figure...

Page 62: ...increase to adjust the scale Press 0 to perform the measurement again To return to the settings press Cancel 3 Press Enter to save the measurement results Figure 57 Report saving 8 8 Peak and phase 1...

Page 63: ...rotation speed values are not stable Red no signal from the vibration sensor or tachometer phase measurement is not available Orange the phase readings are not stable fluctuation more than 15 Yellow...

Page 64: ...64 Measurements BALTECH VP 3470 Operation manual Figure 60 Report saving 8 9 Turning speed 1 Select the required option and press Enter Figure 61 Turning speed options...

Page 65: ...otation speed of the rotor and the flicker frequency of the stroboscope coincide a stationary machine effect occurs Therefore the flicker frequency of the stroboscope should be changed till the effect...

Page 66: ...ts BALTECH VP 3470 Operation manual We recommend receiving the training TOP 103 Foundations of the vibration diagnostics at the BALTECH training centre 3 The measurement results from the Tach option a...

Page 67: ...vigation Up and Down buttons To activate the function press Enter Use Enter to save the parameter settings start the measurement and save the measurement results Cancel is used to cancel all the chang...

Page 68: ...the direction of rotation trial weight removal or adding Figure 63 If the angle method is selected set the number of angles from 3 to 360 The number of angles corresponds to the number of available i...

Page 69: ...e 65 The vibration phase and rotation speed will be displayed on the screen Figure 66 Measuring If the strobe mode was selected the rotation speed and phase value should be entered manually The light...

Page 70: ...and eliminate the detected defects Yellow instantaneous values of the phase vary not more than 15 balancing can be done the calculation accuracy of the correction weight is mean Green the phase readi...

Page 71: ...ctions of the p 3 4 The amount of the trial weight can be defined without performing calculation Before you start installing the trial weight read the Section 3 carefully again Incorrect correction we...

Page 72: ...ded mass and installation angle of the correction weight The correction weight is installed on the same radius of the balancing plane as the trial weight The installation angle of the correction weigh...

Page 73: ...cing Figure 73 Calculation for angle method 10 Install the correction weight according to the given recommendations p 9 Press Enter The window TRIM RUN will open Figure 73 Press Enter to move to the w...

Page 74: ...peration manual Figure 74 Trim run Figure 75 Trim run results If the control measuring shows that the vibration doesn t correspond to the requirements due to the residual unbalance it is necessary to...

Page 75: ...ified in the p 9 11 Or 12 Press Cancel to move to the window REPORT Figure 76 Enter the name of the report press Enter to save the balancing report You can also add comments to the report Figure 77 Re...

Page 76: ...1 NEW BALANCING The vibration phase and amplitude must be entered manually 9 3 Re balancing If you have already made the balancing of the machine and you have got the balancing reports we recommend th...

Page 77: ...elect a report and press Enter The window with the installed weights will open Figure 80 Figure 81 Window with the installed weights 3 Press Enter to move to INITIAL RUN Figure 64 4 Perform the action...

Page 78: ...m the balancing according to the p 9 1 New balancing and then perform the following 1 Activate ICM and press Enter Figure 81 Figure 82 ICM 2 Select a balancing report and press Enter The window INITIA...

Page 79: ...move to TRIM RUN Figure 73 7 Press Enter to move to MEASURING Figure 65 8 Press Enter to receive the results of the trim run Figure 74 9 Press Enter to repeat the balancing Figure 83 Figure 83 Repeat...

Page 80: ...R MATH and press Enter Figure 83 Figure 84 Vector math 3 Select the method split angle or sum weights Pres Enter to move VECTOR MATH Figure 84 Figure 85 Vector math 4 Enter the data into the grey fiel...

Page 81: ...to transfer them to PC using the BALTECH Expert software This function is also used to view and delete the measuring results Figure 86 Reports functions 10 1 Report view To open and view the report 1...

Page 82: ...required report and press Enter 10 2 Report deletion To save the report 1 Select REPORTS from the main menu and press Enter 2 Select DELETE and press Enter Figure 88 Delete 4 Use the navigation butto...

Page 83: ...BALTECH Expert software on your PC 3 Select REPORTS program from the main menu and press Enter The window Reports will open 5 Select Send to PC and press Enter The transfer process will be displayed o...

Page 84: ...ealTime exe on the PC this program is installed together with the BALTECH Expert software To exit this mode press Cancel During the first connection to PC the installation of drivers may be required T...

Page 85: ...the device and its components Do not shock the device and avoid the excessive mechanical loads Special attention should be given to the connectors and cables Keep them away from liquid dust and dirt...

Page 86: ...the battery charger a red led doesn t light up Excessive battery discharge Connect the battery charger and charge the battery till a green led lights up The charging can take several days After switch...

Page 87: ...ted premises During transportation and storage the system should be packed in the transportation case The packed device should be stored in dry heated space under the temperature from 10 to 40 C and r...

Page 88: ...pted there are mechanical defects shears splits and etc or damages from influence of chemically aggressive substances high temperatures high humidity dustiness concentrated fumes electrical discharges...

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