The methods for balancing machine to drive rotor drive for dynamic balance correction include belt drive, universal joint drive, and self drive.
1. Ring belt drive: It is the use of rubber or silk woven ring belts to drive the rotor by the electric motor belt. Therefore, the ring belt drive requires a smooth cylindrical surface on the surface of the rotor. The advantage of ring belt drive is not to affect the imbalance of the rotor, and the balance accuracy is high.
2. Coupling drive: It is the use of a universal joint to connect the main shaft of a balancing machine with the rotor. The characteristics of the coupling drive are suitable for irregularly shaped rotors, which can transmit large torque and drive rotors with high wind resistance such as fans. The defect of the coupling drive is that the imbalance of the coupling itself can affect the rotor (therefore, the coupling should be balanced before application), and it can also introduce interference and harm to the precision of balance. In addition, a large number of connecting plates need to be made to adapt to rotors of different specifications.
3. Self drive: It is the use of the power of the rotor itself to rotate. Self drive is a driving method that has little harm to the balance precision. The balance precision can reach the maximum, but only a unique rotor that can be constructed can be used to apply this type of driving method.
There are two types of dynamic balancing machines: soft support and hard support. The swing of the soft support balancing machine is relatively soft, and during the process of starting and stopping the transmission shaft, the swing of the soft support will have prominent vibration, while the swing of the hard support will not have this phenomenon. Methodologically speaking, soft support balancing machines can achieve higher detection precision. However, this can only be distinguished in extremely precise detection. For the transmission shaft balancing machine, the precision that the hard support can meet the standard far exceeds the specific needs. If it is found that the precision of a transmission shaft balancing machine does not meet the requirements, it must be the result of other factors. Among the elements that endanger the balance of precision, soft and hard support are only one insignificant factor.
The harmful factors of high and low precision: because all manufacturers have chosen microcomputer technology, the process is already very mature, and the deviation caused by the electronic measurement part is already very small. The precision of the transmission shaft balancing machine is no longer closely related to the electronic part.
There are two key hazardous elements:
1. The connection method between the rotating shaft and the balancing machine.
2. Precision of balancing machine spindle machining.
Circle belt drive balancing machine
The harmful factors of weight loss rate: If the weight loss rate of the balancing machine is relatively high, it can balance with fewer rotations and do things quickly.
The harmful factors of high or low weight loss rate include:
1. Is the calibration of the balancing machine accurate.
2. Is the weight and position of the balance block placed during use accurate.
3. The gap size between the rotating axis cross axis and the telescopic sliding key.
Low speed and high speed:
When choosing a balance machine with soft support, the rotational speed must exceed about three times the resonance speed to detect (the higher the rotational speed, the higher the weight reduction ratio), so higher rotational speeds are usually chosen. For the balance of hard supports, the rotational speed must be within 3 times the resonance speed to work, so lower rotational speeds (especially heavy rotating shafts) are usually chosen. The speed is also related to the sensitivity of the selected sensor. If a sensor with high sensitivity is selected, a lower speed can be selected. In the maintenance industry, if a lower speed is chosen, drivers may doubt the role of balance, thus there is a trend to increase the speed. When balancing heavy rotating shafts, the speed of hard support balancing machines is usually low, making it easy for drivers to suspect the role of balance, which led to the popularity of soft support balancing machines. When you have been choosing a balancing machine, you don't just need to ask how high the equipment can meet the standard speed, you must ask clearly the speed that needs to be met when balancing large rotating shafts such as Steyr.
1. Ring belt drive: It is the use of rubber or silk woven ring belts to drive the rotor by the electric motor belt. Therefore, the ring belt drive requires a smooth cylindrical surface on the surface of the rotor. The advantage of ring belt drive is not to affect the imbalance of the rotor, and the balance accuracy is high.
2. Coupling drive: It is the use of a universal joint to connect the main shaft of a balancing machine with the rotor. The characteristics of the coupling drive are suitable for irregularly shaped rotors, which can transmit large torque and drive rotors with high wind resistance such as fans. The defect of the coupling drive is that the imbalance of the coupling itself can affect the rotor (therefore, the coupling should be balanced before application), and it can also introduce interference and harm to the precision of balance. In addition, a large number of connecting plates need to be made to adapt to rotors of different specifications.
3. Self drive: It is the use of the power of the rotor itself to rotate. Self drive is a driving method that has little harm to the balance precision. The balance precision can reach the maximum, but only a unique rotor that can be constructed can be used to apply this type of driving method.
There are two types of dynamic balancing machines: soft support and hard support. The swing of the soft support balancing machine is relatively soft, and during the process of starting and stopping the transmission shaft, the swing of the soft support will have prominent vibration, while the swing of the hard support will not have this phenomenon. Methodologically speaking, soft support balancing machines can achieve higher detection precision. However, this can only be distinguished in extremely precise detection. For the transmission shaft balancing machine, the precision that the hard support can meet the standard far exceeds the specific needs. If it is found that the precision of a transmission shaft balancing machine does not meet the requirements, it must be the result of other factors. Among the elements that endanger the balance of precision, soft and hard support are only one insignificant factor.
The harmful factors of high and low precision: because all manufacturers have chosen microcomputer technology, the process is already very mature, and the deviation caused by the electronic measurement part is already very small. The precision of the transmission shaft balancing machine is no longer closely related to the electronic part.
There are two key hazardous elements:
1. The connection method between the rotating shaft and the balancing machine.
2. Precision of balancing machine spindle machining.
Circle belt drive balancing machine
The harmful factors of weight loss rate: If the weight loss rate of the balancing machine is relatively high, it can balance with fewer rotations and do things quickly.
The harmful factors of high or low weight loss rate include:
1. Is the calibration of the balancing machine accurate.
2. Is the weight and position of the balance block placed during use accurate.
3. The gap size between the rotating axis cross axis and the telescopic sliding key.
Low speed and high speed:
When choosing a balance machine with soft support, the rotational speed must exceed about three times the resonance speed to detect (the higher the rotational speed, the higher the weight reduction ratio), so higher rotational speeds are usually chosen. For the balance of hard supports, the rotational speed must be within 3 times the resonance speed to work, so lower rotational speeds (especially heavy rotating shafts) are usually chosen. The speed is also related to the sensitivity of the selected sensor. If a sensor with high sensitivity is selected, a lower speed can be selected. In the maintenance industry, if a lower speed is chosen, drivers may doubt the role of balance, thus there is a trend to increase the speed. When balancing heavy rotating shafts, the speed of hard support balancing machines is usually low, making it easy for drivers to suspect the role of balance, which led to the popularity of soft support balancing machines. When you have been choosing a balancing machine, you don't just need to ask how high the equipment can meet the standard speed, you must ask clearly the speed that needs to be met when balancing large rotating shafts such as Steyr.
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