We mainly use a dynamic balancing machine to measure balancing efficiency, which requires us to calibrate the dynamic balancing machine before use. So why do we need to calibrate the dynamic balancing machine? Taking the Huake Zhichuang dynamic balancing machine as an example, we will briefly introduce it to you. If you have any questions during the specific operation process, you can directly communicate with our after-sales staff.
Calibration literally means setting a standard, which quantifies the vibration signal measured by the dynamic balancing machine and calculates the unbalance value of the measured workpiece based on the strength of the vibration signal. However, due to the influence of mechanical and electrical measurements, such as loosening and wear of mechanical assembly screws, heating and aging of electrical components, it is easy to affect the accuracy and precision of measurements. Therefore, calibration should be carried out after a period of time.
Calibration is very important for dynamic balancing machines. Before testing, the computer dynamic balancing machine needs to be calibrated, which can help the machine accurately correct the accompanying or angle of dynamic balancing, referring to determining the position of the rotating workpiece dynamic balancing. If the calibration is incorrect, phase misalignment will occur. We use a dynamic balancing machine mainly to achieve the residual unbalance value of the rotor, and to reduce the unbalance amount after one calibration compared to the initial unbalance amount. Therefore, the calibration of the dynamic balancing machine is very important. This requires us to calibrate the dynamic balancing machine before use to improve its efficiency and reduce errors.
Calibration operation before use of dynamic balancing machine
1. Place the bearing installation part of the workpiece on the two pairs of roller components of the host, and select the roller with the appropriate diameter. If the axis diameter of the workpiece support is at or near multiple times the frequency of the roller, it will cause vibration interference in the vibration system. To maintain the stability of the reading, the roller diameter and workpiece shaft diameter should avoid multiples or near frequencies as much as possible, with 0.8>roller diameter/workpiece shaft diameter>1.2.
2. Adjust the tension of the ring belt, adjust and tighten the axial stopper. The axial stopping force should not be too large and should not affect the free vibration of the rotor in the front and rear directions. The problem can be solved by adding steel balls.
3. Turn on the power of the whole machine, double-click the dynamic balance icon (CAB) on the desktop to perform balance measurement. Make a non reflective mark on the position of the tested workpiece with good reflection, and align the photoelectric sensor probe with the mark before fixing it. Push the workpiece by hand, and when the mark passes through the photoelectric sensor, the sensor indicator light will turn off; When not marked, the indicator light should light up. Take the side of the non reflective mark that first passes through the photoelectric sensor probe as the zero degree, and divide it back into 90 °, 180 °, and 270 ° along the rotation direction of the workpiece.
4. Workpiece parameter settings and system parameter settings
⑴ Workpiece parameter setting
A - The distance from the center of the left support bracket to the center of the left counterweight block of the workpiece;
B - The center distance between the left and right counterweights of the workpiece;
C - The distance from the center of the right support frame to the center of the right counterweight block of the workpiece;
R1- The distance from the center of the workpiece axis diameter to the center of the left counterweight block of the workpiece;
The distance from the center of the workpiece axis diameter to the center of the right counterweight block of the workpiece.
⑵ Correctly set the qualified range parameters of the workpiece
5. Start calibration (purpose - to determine the accuracy of angles and weights, and improve efficiency)
(1) Intensify the testing by placing a calibration mass of known weight at the 0 ° position of the correction radius on both plane 1 and plane 2 of the workpiece, and measuring it three times.
(2) After the workpiece comes to a complete stop, remove the calibration mass and conduct 3 more tests.
(3) After the test is completed, park the vehicle. When the speed is zero, press the "ESC" and "Enter" keys to complete the calibration.
(4) The premise of calibration is to have a balanced rotor, and to add eccentric weight on both sides A and B of the balanced rotor. It should be noted that all these operations are aimed at calibrating rotors with the same structure. In the future, when performing rotor dynamic balancing, the same structure of rotor should be used. If the rotor structure is different, recalibration is required.
6. Measurement
After correctly setting up and calibrating the machine, the measurement of the unbalance of a certain workpiece can begin. Use the "+" and "-" keys to select the emphasis or de emphasis balance mode. Pressing the "+" key requires simultaneously holding down the "Shift" key. After a measurement is completed, stop the machine to calibrate the workpiece and restart it for a new balance measurement until the calibrated workpiece enters the qualified range. This will determine the specific position and quality of the workpiece that needs to be weighted or de weighted.
7. Other
After one measurement, you can create a file by pressing "DEL"
⑵ Quickly delete or replace rotor model: press F key, press D key, delete and press Y key
When performing dynamic balancing, it is necessary to install a key. Calculate the weight of the part installed inside the shaft and then measure it.
8. Quick operation
Place the workpiece - Open the host - Press ESC key - Main directory - Select rotor parameters - Select graphic shape - Measure workpiece dimensions (r1, r2, a, b, c) - Calculate eccentricity and vibration size - Enter rotor parameter data - ESC - Main directory - Calibration - Enter calibration parameters (calculate vibration size/r1 or r2 * (3-10 times) - Measure two equally weighted calibration masses with an electronic balance and add them to the zero position - Start testing (3 times) - Remove weight testing (3 times) - The computer automatically calculates the weight and angle to be weighted - Find balance (weight testing on the workpiece according to the parameters prompted by the computer until balanced)
The phase angle and trial weight need to be manually input into the system. First, add a known counterweight to the known phase on the left and run it. After the prompt is completed, remove the trial weight. Then, add a known trial weight to the known phase on the right and run it. After the prompt is completed, take the specialized trial weight and start running until the calibration is completed.
Calibration literally means setting a standard, which quantifies the vibration signal measured by the dynamic balancing machine and calculates the unbalance value of the measured workpiece based on the strength of the vibration signal. However, due to the influence of mechanical and electrical measurements, such as loosening and wear of mechanical assembly screws, heating and aging of electrical components, it is easy to affect the accuracy and precision of measurements. Therefore, calibration should be carried out after a period of time.
Calibration is very important for dynamic balancing machines. Before testing, the computer dynamic balancing machine needs to be calibrated, which can help the machine accurately correct the accompanying or angle of dynamic balancing, referring to determining the position of the rotating workpiece dynamic balancing. If the calibration is incorrect, phase misalignment will occur. We use a dynamic balancing machine mainly to achieve the residual unbalance value of the rotor, and to reduce the unbalance amount after one calibration compared to the initial unbalance amount. Therefore, the calibration of the dynamic balancing machine is very important. This requires us to calibrate the dynamic balancing machine before use to improve its efficiency and reduce errors.
Calibration operation before use of dynamic balancing machine
1. Place the bearing installation part of the workpiece on the two pairs of roller components of the host, and select the roller with the appropriate diameter. If the axis diameter of the workpiece support is at or near multiple times the frequency of the roller, it will cause vibration interference in the vibration system. To maintain the stability of the reading, the roller diameter and workpiece shaft diameter should avoid multiples or near frequencies as much as possible, with 0.8>roller diameter/workpiece shaft diameter>1.2.
2. Adjust the tension of the ring belt, adjust and tighten the axial stopper. The axial stopping force should not be too large and should not affect the free vibration of the rotor in the front and rear directions. The problem can be solved by adding steel balls.
3. Turn on the power of the whole machine, double-click the dynamic balance icon (CAB) on the desktop to perform balance measurement. Make a non reflective mark on the position of the tested workpiece with good reflection, and align the photoelectric sensor probe with the mark before fixing it. Push the workpiece by hand, and when the mark passes through the photoelectric sensor, the sensor indicator light will turn off; When not marked, the indicator light should light up. Take the side of the non reflective mark that first passes through the photoelectric sensor probe as the zero degree, and divide it back into 90 °, 180 °, and 270 ° along the rotation direction of the workpiece.
4. Workpiece parameter settings and system parameter settings
⑴ Workpiece parameter setting
A - The distance from the center of the left support bracket to the center of the left counterweight block of the workpiece;
B - The center distance between the left and right counterweights of the workpiece;
C - The distance from the center of the right support frame to the center of the right counterweight block of the workpiece;
R1- The distance from the center of the workpiece axis diameter to the center of the left counterweight block of the workpiece;
The distance from the center of the workpiece axis diameter to the center of the right counterweight block of the workpiece.
⑵ Correctly set the qualified range parameters of the workpiece
5. Start calibration (purpose - to determine the accuracy of angles and weights, and improve efficiency)
(1) Intensify the testing by placing a calibration mass of known weight at the 0 ° position of the correction radius on both plane 1 and plane 2 of the workpiece, and measuring it three times.
(2) After the workpiece comes to a complete stop, remove the calibration mass and conduct 3 more tests.
(3) After the test is completed, park the vehicle. When the speed is zero, press the "ESC" and "Enter" keys to complete the calibration.
(4) The premise of calibration is to have a balanced rotor, and to add eccentric weight on both sides A and B of the balanced rotor. It should be noted that all these operations are aimed at calibrating rotors with the same structure. In the future, when performing rotor dynamic balancing, the same structure of rotor should be used. If the rotor structure is different, recalibration is required.
6. Measurement
After correctly setting up and calibrating the machine, the measurement of the unbalance of a certain workpiece can begin. Use the "+" and "-" keys to select the emphasis or de emphasis balance mode. Pressing the "+" key requires simultaneously holding down the "Shift" key. After a measurement is completed, stop the machine to calibrate the workpiece and restart it for a new balance measurement until the calibrated workpiece enters the qualified range. This will determine the specific position and quality of the workpiece that needs to be weighted or de weighted.
7. Other
After one measurement, you can create a file by pressing "DEL"
⑵ Quickly delete or replace rotor model: press F key, press D key, delete and press Y key
When performing dynamic balancing, it is necessary to install a key. Calculate the weight of the part installed inside the shaft and then measure it.
8. Quick operation
Place the workpiece - Open the host - Press ESC key - Main directory - Select rotor parameters - Select graphic shape - Measure workpiece dimensions (r1, r2, a, b, c) - Calculate eccentricity and vibration size - Enter rotor parameter data - ESC - Main directory - Calibration - Enter calibration parameters (calculate vibration size/r1 or r2 * (3-10 times) - Measure two equally weighted calibration masses with an electronic balance and add them to the zero position - Start testing (3 times) - Remove weight testing (3 times) - The computer automatically calculates the weight and angle to be weighted - Find balance (weight testing on the workpiece according to the parameters prompted by the computer until balanced)
The phase angle and trial weight need to be manually input into the system. First, add a known counterweight to the known phase on the left and run it. After the prompt is completed, remove the trial weight. Then, add a known trial weight to the known phase on the right and run it. After the prompt is completed, take the specialized trial weight and start running until the calibration is completed.
95 browse