We mainly use dynamic balancing machines to measure balance efficiency, which requires us to calibrate the dynamic balancing machine before use. So why do we need to calibrate the dynamic balancing machine? Taking Huake Zhichuang Dynamic Balancing Machine as an example, we will briefly introduce it to you. If there are any unclear points during the specific operation process, you can directly communicate with our after-sales staff.
Scaling literally means setting a standard, which is to quantify the vibration signal measured by the dynamic balancing machine and calculate the imbalance value of the measured workpiece based on the strength of the vibration signal. However, due to the impact on mechanical and electrical measurements, such as loosening and wear of mechanical assembly screws, electrical heating and aging, which can easily affect the accuracy and accuracy of measurements, calibration should be conducted once a period of time.
Calibration is very important for dynamic balancing machines. Before testing, computer dynamic balancing machines need to be calibrated. This can help the machine accurately correct the accompanying or angle of dynamic balance, which refers to determining the position of the rotating workpiece's dynamic balance. If the calibration is not correct, phase misalignment will occur. We use a dynamic balancing machine mainly to achieve the remaining imbalance value of the rotor and the ratio of the reduced imbalance after one correction to the initial imbalance. Therefore, the calibration of the dynamic balancing machine is very important, which requires us to calibrate the dynamic balancing machine before use to improve the efficiency of the machine and reduce errors.
1. Place the bearing part of the workpiece installation on the two pairs of roller components of the host machine, and select the roller with the appropriate diameter. If the shaft diameter at the support of the workpiece is directly multiplied or nearly doubled with the roller, it will cause vibration interference in the vibration system. To maintain the stability of the reading, the diameter of the roller and the diameter of the workpiece shaft should be kept away from doubling or near frequency 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. It can be solved by adding steel balls.
3. Turn on the power of the entire machine, double-click the dynamic balance icon (CAB) on the desktop to perform balance measurement. Make a non reflective mark on the tested workpiece with good reflection, and align the photoelectric sensor probe with the mark before fixing it. Push the workpiece manually, 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 zero degree, and divide it into 90 °, 180 °, and 270 ° along the rotation direction of the workpiece.
4. Workpiece parameter settings and system parameter settings
⑴ Workpiece parameter settings
A - The distance from the center of the left support bracket to the center of the left counterweight 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 of the workpiece;
R1 is the distance from the center of the workpiece shaft diameter to the center of the left counterweight block of the workpiece;
The distance from the center of the workpiece shaft diameter to the center of the right counterweight block of the workpiece.
⑵ Set the qualified range parameters of the workpiece correctly
5. Start calibration (purpose - to determine the accuracy of angle and weight, and improve efficiency)
(1) Intensive testing, install a known weight calibration mass at the 0 ° position of the correction radius on the workpiece plane 1 and plane 2, and measure it three times.
(2) After the workpiece stops stably, remove the calibration mass and conduct three more tests.
(3) After the test, stop the vehicle. When the speed is zero, press the "ESC" and "Enter" keys to complete the calibration.
(4) The prerequisite for calibration is to have a balanced rotor, and add eccentric weights on both sides A and B of the balanced rotor. It should be noted that all these operations are calibrated for rotors of the same structure. In the future, when performing rotor dynamic balancing, it should be a rotor of the same structure. If the rotor structure is different, it needs to be recalibrated.
6. Measurement
After completing the correct setup and calibration of the machine, the measurement of the imbalance of a certain workpiece can begin. Use the "+" or "-" keys to select the weighting or de weighting method. Pressing the "+" key requires simultaneously pressing the "Shift" key. After a measurement is completed, stop the machine to calibrate the workpiece, and start again to perform a new balance measurement until the calibrated workpiece enters the qualified range. The specific position and quality of the workpiece that needs to be weighted or de weighted can be determined.
7. Other
After one measurement, it can be archived by pressing "DEL"
⑵ Quickly delete or replace the rotor model: press the F key, press the D key, and delete by pressing the Y key
When performing dynamic balancing, the key must be installed. Calculate the weight of the part installed inside the shaft and then measure it.
8. Quick operation
Place workpiece - Open the host - Press ESC key - Main directory - Select rotor parameters - Select graphic shape - Measure workpiece size (r1, r2, a, b, c,) - Calculate eccentricity and vibration size - Input rotor parameter data - ESC - Main directory - Calibration - Input calibration parameters (Calculate vibration size/r1 or r2 * (3-10 times) ——Using an electronic balance to measure two calibrated masses of equal weight and add them to the zero position - after starting the test (3 times) - after removing the weight test (3 times) - the computer automatically calculates the weight and angle to be weighted - find balance (according to the parameters prompted by the computer, weight the test on the workpiece until it is balanced)
The phase angle and test weight need to be manually input into the system. First, add a known counterweight to the known phase on the left side and run it. After the prompt is completed, remove the test weight. Then, add a known test weight to the known phase on the right side and run it. After the prompt is completed, remove the special test weight and start running until the calibration is completed.
Scaling literally means setting a standard, which is to quantify the vibration signal measured by the dynamic balancing machine and calculate the imbalance value of the measured workpiece based on the strength of the vibration signal. However, due to the impact on mechanical and electrical measurements, such as loosening and wear of mechanical assembly screws, electrical heating and aging, which can easily affect the accuracy and accuracy of measurements, calibration should be conducted once a period of time.
Calibration is very important for dynamic balancing machines. Before testing, computer dynamic balancing machines need to be calibrated. This can help the machine accurately correct the accompanying or angle of dynamic balance, which refers to determining the position of the rotating workpiece's dynamic balance. If the calibration is not correct, phase misalignment will occur. We use a dynamic balancing machine mainly to achieve the remaining imbalance value of the rotor and the ratio of the reduced imbalance after one correction to the initial imbalance. Therefore, the calibration of the dynamic balancing machine is very important, which requires us to calibrate the dynamic balancing machine before use to improve the efficiency of the machine and reduce errors.
1. Place the bearing part of the workpiece installation on the two pairs of roller components of the host machine, and select the roller with the appropriate diameter. If the shaft diameter at the support of the workpiece is directly multiplied or nearly doubled with the roller, it will cause vibration interference in the vibration system. To maintain the stability of the reading, the diameter of the roller and the diameter of the workpiece shaft should be kept away from doubling or near frequency 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. It can be solved by adding steel balls.
3. Turn on the power of the entire machine, double-click the dynamic balance icon (CAB) on the desktop to perform balance measurement. Make a non reflective mark on the tested workpiece with good reflection, and align the photoelectric sensor probe with the mark before fixing it. Push the workpiece manually, 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 zero degree, and divide it into 90 °, 180 °, and 270 ° along the rotation direction of the workpiece.
4. Workpiece parameter settings and system parameter settings
⑴ Workpiece parameter settings
A - The distance from the center of the left support bracket to the center of the left counterweight 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 of the workpiece;
R1 is the distance from the center of the workpiece shaft diameter to the center of the left counterweight block of the workpiece;
The distance from the center of the workpiece shaft diameter to the center of the right counterweight block of the workpiece.
⑵ Set the qualified range parameters of the workpiece correctly
5. Start calibration (purpose - to determine the accuracy of angle and weight, and improve efficiency)
(1) Intensive testing, install a known weight calibration mass at the 0 ° position of the correction radius on the workpiece plane 1 and plane 2, and measure it three times.
(2) After the workpiece stops stably, remove the calibration mass and conduct three more tests.
(3) After the test, stop the vehicle. When the speed is zero, press the "ESC" and "Enter" keys to complete the calibration.
(4) The prerequisite for calibration is to have a balanced rotor, and add eccentric weights on both sides A and B of the balanced rotor. It should be noted that all these operations are calibrated for rotors of the same structure. In the future, when performing rotor dynamic balancing, it should be a rotor of the same structure. If the rotor structure is different, it needs to be recalibrated.
6. Measurement
After completing the correct setup and calibration of the machine, the measurement of the imbalance of a certain workpiece can begin. Use the "+" or "-" keys to select the weighting or de weighting method. Pressing the "+" key requires simultaneously pressing the "Shift" key. After a measurement is completed, stop the machine to calibrate the workpiece, and start again to perform a new balance measurement until the calibrated workpiece enters the qualified range. The specific position and quality of the workpiece that needs to be weighted or de weighted can be determined.
7. Other
After one measurement, it can be archived by pressing "DEL"
⑵ Quickly delete or replace the rotor model: press the F key, press the D key, and delete by pressing the Y key
When performing dynamic balancing, the key must be installed. Calculate the weight of the part installed inside the shaft and then measure it.
8. Quick operation
Place workpiece - Open the host - Press ESC key - Main directory - Select rotor parameters - Select graphic shape - Measure workpiece size (r1, r2, a, b, c,) - Calculate eccentricity and vibration size - Input rotor parameter data - ESC - Main directory - Calibration - Input calibration parameters (Calculate vibration size/r1 or r2 * (3-10 times) ——Using an electronic balance to measure two calibrated masses of equal weight and add them to the zero position - after starting the test (3 times) - after removing the weight test (3 times) - the computer automatically calculates the weight and angle to be weighted - find balance (according to the parameters prompted by the computer, weight the test on the workpiece until it is balanced)
The phase angle and test weight need to be manually input into the system. First, add a known counterweight to the known phase on the left side and run it. After the prompt is completed, remove the test weight. Then, add a known test weight to the known phase on the right side and run it. After the prompt is completed, remove the special test weight and start running until the calibration is completed.
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