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USER’S MANUAL

 

 

HG904

 

A Portable Dual-Channel 

Microprocessor-Based 

  On-site Balancer 

  Spectrum Analyzer  

Vibration Data Collector 

 

 

 

 

 

 

 

 

 

                                        E-mail:[email protected]

 

                                        Fax: 8610 82916893  

                                        Tel : 8610 82921131  

Address: Rm. 730, Chengyuan Building, the Mi d. R oad of Jiancai cheng  

Hai di an Dist . BeiJing, C HINA  

www.huatecgroup.com

   

 

Содержание HG904

Страница 1: ...rocessor Based On site Balancer Spectrum Analyzer Vibration Data Collector E mail export huatecgroup com Fax 8610 82916893 Tel 8610 82921131 Address Rm 730 Chengyuan Building the Mid Road of Jiancaich...

Страница 2: ...orporation Copyright 2001 by Beijing HUATEC Group Corporation All rights reserved The information provided in this Manual is believed to be reliable However HUATEC Group Corporation no responsibility...

Страница 3: ...TER 3 BALANCING PREPARATION 7 CHAPTER 4 BALANCING OPERATIONS 8 1 plane balancing 8 without influence coefficients 8 with influence coefficients 13 2 planes balancing 15 without influence coefficients...

Страница 4: ...esult are shown clearly at a glance Storage of 10 rotors balancing data Selectable of trial mass remove or remain Decompose of balancing result to two assigned location Trial weight range calculated a...

Страница 5: ...mensions 21 13 4 cm Weight 1 2 kg Include batteries 2 BALANCE PRINCIPLES 2 1 What is 1 plane rotor imbalance Rigid rotor works under the speed far less than its first order critical rotate speed and i...

Страница 6: ...alance When doing 2 planes dynamic balance two planes of adding mass and two points of vibration measure are needed HG904 s 2 planes dynamic balance also adopts the method of influence coefficient But...

Страница 7: ...HUATEC Group Corporation www huatecgroup com Page 6 of 37 1 Plane balancing...

Страница 8: ...HUATEC Group Corporation www huatecgroup com Page 7 of 37 2 Plane balancing...

Страница 9: ...of the rotor or its axis Photoelectric sensor can give HG904 1 electric pulse per turn of the running rotor Not only the rotate speed can be measured but also the vibration signals can be compared wit...

Страница 10: ...key to move the cursor between lines on the left the following are the same Line 2 on the left To set parameters the note displays Enter Menu Key press MENU to right to set parameters Line 2 on the r...

Страница 11: ...R then choose YES and press ENTER to erase the rotor datas displayed the measured data will be cleared the balance grade and the sensor sensitivities will change to default values at the same time suc...

Страница 12: ...ing to the calculation and then restart the machine Step 3 Initial measurement Line 5 on the left The note displays Enter Menu Key Press MENU to right Line 2 on the right All the places showing values...

Страница 13: ...he note displays Enter to Measure Press ENTER to measure the rotation speed The RPM value on the right side of the 6th line will update continually And Amplitude Phase is shown in the 5th line When th...

Страница 14: ...e vector of balancing mass can be found in the vector graph just on the circle Then find two proper angles at each side of the vector of balancing mass Line 2 on the right The note displays Input Angl...

Страница 15: ...ally And Amplitude Phase is shown in the 2nd line When the rotation speed becomes stable press ENTER for a moment the HG904 begins measuring vibration The data in the 3rd line rotation speed and in th...

Страница 16: ...same as 1 plane balancing without influence coefficients Line 3 on the right The note displays Enter to See Coeffient Press ENTER to Coeffient page to input influence coefficients The method of input...

Страница 17: ...he same as 1 plane balancing without influence coefficients Step 6 verification The operation of lines is the same as 1 plane balancing without influence coefficients 4 2 2 PLANES BALANCING Illustrati...

Страница 18: ...If you hope to see some measurement move the cursor to there and then the value is displayed You can also input the value The method of input numbers is the same as above Rotation Speed is shown in th...

Страница 19: ...shown in the 5th line When the cursor is in the 5th line the note displays Enter to Measure Press ENTER to measure the rotation speed The RPM value on the right side of the 6th line will update conti...

Страница 20: ...displays Enter to Measure Press ENTER to measure the rotation speed The RPM value on the right side of the 6th line will update continually And Amplitude Phase is shown in the 5th line When the rotati...

Страница 21: ...ys Enter Menu Key Press MENU to right Firstly the vector of balancing mass can be found in the vector graph just on the circle Then find two proper angles at each side of the vector of balancing mass...

Страница 22: ...an also input the value The method of input numbers is the same as above Rotation Speed is shown in the 2nd line When the cursor is in the 2nd line the note displays Enter to Measure Press ENTER to me...

Страница 23: ...itial measurement The operation of lines is the same as 2 plane balancing without influence coefficients Step 3 Input influence coefficients The operation of lines is the same as 1 plane balancing wit...

Страница 24: ...t and the vibration signal is recorded only when the trigger impulse signal appears Different from the Free shot user can get position related information Furthermore you can measure rotate speed and...

Страница 25: ...cy range and fidelity Hold the probe lowest precision frequency range and fidelity 5 When collecting data or waveforms the user should check up if every parameter is correctly set and if the sensors a...

Страница 26: ...n of overall vibration value may be briefly explained as DIS Displace Equivalent Peak to peak value the maximum vibrating distance between the positive amplitude and the negative one of the vibration...

Страница 27: ...ing 100Hz 200Hz 500Hz 1000Hz 2000Hz 5000Hz 10000Hz Use or to move cursor to the 3rd line then modify it by or 1 4 Set the sensitivity of the sensor Different accelerometer has different sensitivities...

Страница 28: ...of new and old data is valid only when a new measurement has been taken and you have not changed the point name to another 1 6 Measurement Firstly fix the accelerometer to measurement location and co...

Страница 29: ...or example the pressure of lubricating oil and the temperature of bearing reflect the state a bearing and influence the vibration of a machine The high temperature of motor winding usually indicates s...

Страница 30: ...ten vague observation code options 0 Ok 1 Not In Use 2 Seal Leaking 3 Much Noise 4 Oil Level Low 5 Very Hot 6 Bear Changed 7 Seal Changed 8 Pre Flow Low 9 Other States At the place behind Note select...

Страница 31: ...s chosen you must really have trigger signal Otherwise the instrument will always wait for triggering before collecting until you power off it Notice Switch the Inner External Trigger Switch to Extern...

Страница 32: ...alarm multiple factor will be reset to the default value 5 00 and 3 00 The screen will return to the menu of Collector The last line is Auto Range or Man R Manual Range Man R means you may manually c...

Страница 33: ...veform and displays the waveform continuously The display is as the following graph You may press In for a while to stop the measurement and the refresh of waveform display Then you may press or to se...

Страница 34: ...hes the biggest number it will return to the smallest in circles 8 Spectrum Analysis Once a waveform is measured you may analyze the frequency spectrum at once by press W Spect If you just recall a wa...

Страница 35: ...the light reflected from a piece of reflecting paper on the rotating axis The measuring method is as the following 1 Connect the photoelectric tacho sensor with HG904 and make the lighting end of the...

Страница 36: ...change to another point Because the new data and the old data reference value or alarming value occupy the same space of memory the old data will lose after you saved the new one Press W Save to save...

Страница 37: ...of an auto a truck G16 16 Transmission axes with special requirements axle rotating axes all way axes Parts of crusher Parts of agricultural machine Engines of auto truck and locomotive the whole of...

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