Do you all know the checking method of the balancer? How to verify the accuracy and stability of the balancer? Today Huake Zhi Creative Balancer technician gives you a detailed explanation. At the same time, we welcome all friends who have dynamic balance technical difficulties and dynamic balance needs to contact us through official website customer service. Huake Zhichuang can provide on-site dynamic balance meter on-site dynamic balance detection service.
In the verification standard of dynamic balancing machine, the corresponding detailed description is given for the verification of universal dynamic balancing machine. For the verification of special dynamic balancing machine, it is required to refer to the verification of universal dynamic balancing machine. With the wide use of dynamic balancing machines, especially the emergence of special balancing machines, its verification is obviously impossible. Therefore, according to the principle of dynamic balance and the general method of dynamic balance machine calibration, grasp the core of balancer calibration. Minimum achievable residual unbalance E0 and unbalance reduction rate URR. By testing, the minimum achievable residual unbalance of the balancing machine can be measured first, then the checked test weight can be calculated through this result, and then the minimum achievable residual unbalance of the balancing machine can be verified to be qualified. The reduction rate of unbalance of balancer is determined by circle chart method, and the accuracy of azimuth indication of balancer is obtained.
What are the key indexes of the balancing machine?
1. Precision of balancing machine: The so-called precision of balancing machine is the smallest measuring unit that the balancing machine itself can reach according to the size requirements of workpiece. Generally, it is expressed in g_mm/Kg. The smaller the value before the unit, the higher the precision the equipment can reach and vice versa.
2. One-time reduction rate of unbalance quantity of balancing machine: when the balancing machine detects the residual unbalance value of workpiece, reduce or add the displayed quantity value by weight removal or increase to see how much the residual unbalance quantity actually reduces after weight addition and reduction. The percentage of actual reduced value and uneven quantity display is the one-time reduction rate. The larger the reduction rate, the better the equipment, the worse.
3. Re-linearity of the balancing machine (also called heavy linearity): When the workpiece is placed on the balancing machine and the residual unbalance is measured, no action is taken at this time. N times of re-measurement are repeated to compare the difference of each value. The smaller the difference, the better the balance is, the worse it is.
4. Linearity of the balancer: Under specified conditions, the maximum deviation between the calibration curve of the balancer and the actual straight line( Δ The percentage of Ymax to full range output (Y) is called linearity (linearity is also called "non-linear error"). The smaller the value, the better the linearity. It may also be interpreted that the balancing machine uses each specific trial weight to establish parameters before testing a workpiece, so that when other test weights are used, it can reflect the authenticity of the test weight, i.e. the linearity.
5. Accuracy of balancing machine: Truthfulness of unbalance value that can be measured by balancing machine.
6. Production characteristics of the balancing machine: When measuring the workpiece, the workpiece needs to be clamped or placed on the support frame. After each measurement, the workpiece does not do any corrective actions, take out the workpiece on the equipment and put it into the measurement again.
7. Balancer production efficiency: is the ratio of the actual output of qualified products to the test unit time within the specified work piece time. It reflects the maximum output achieved. It measures an individual's performance against targets such as output, cost, income, or profit.
In the verification standard of dynamic balancing machine, the corresponding detailed description is given for the verification of universal dynamic balancing machine. For the verification of special dynamic balancing machine, it is required to refer to the verification of universal dynamic balancing machine. With the wide use of dynamic balancing machines, especially the emergence of special balancing machines, its verification is obviously impossible. Therefore, according to the principle of dynamic balance and the general method of dynamic balance machine calibration, grasp the core of balancer calibration. Minimum achievable residual unbalance E0 and unbalance reduction rate URR. By testing, the minimum achievable residual unbalance of the balancing machine can be measured first, then the checked test weight can be calculated through this result, and then the minimum achievable residual unbalance of the balancing machine can be verified to be qualified. The reduction rate of unbalance of balancer is determined by circle chart method, and the accuracy of azimuth indication of balancer is obtained.
What are the key indexes of the balancing machine?
1. Precision of balancing machine: The so-called precision of balancing machine is the smallest measuring unit that the balancing machine itself can reach according to the size requirements of workpiece. Generally, it is expressed in g_mm/Kg. The smaller the value before the unit, the higher the precision the equipment can reach and vice versa.
2. One-time reduction rate of unbalance quantity of balancing machine: when the balancing machine detects the residual unbalance value of workpiece, reduce or add the displayed quantity value by weight removal or increase to see how much the residual unbalance quantity actually reduces after weight addition and reduction. The percentage of actual reduced value and uneven quantity display is the one-time reduction rate. The larger the reduction rate, the better the equipment, the worse.
3. Re-linearity of the balancing machine (also called heavy linearity): When the workpiece is placed on the balancing machine and the residual unbalance is measured, no action is taken at this time. N times of re-measurement are repeated to compare the difference of each value. The smaller the difference, the better the balance is, the worse it is.
4. Linearity of the balancer: Under specified conditions, the maximum deviation between the calibration curve of the balancer and the actual straight line( Δ The percentage of Ymax to full range output (Y) is called linearity (linearity is also called "non-linear error"). The smaller the value, the better the linearity. It may also be interpreted that the balancing machine uses each specific trial weight to establish parameters before testing a workpiece, so that when other test weights are used, it can reflect the authenticity of the test weight, i.e. the linearity.
5. Accuracy of balancing machine: Truthfulness of unbalance value that can be measured by balancing machine.
6. Production characteristics of the balancing machine: When measuring the workpiece, the workpiece needs to be clamped or placed on the support frame. After each measurement, the workpiece does not do any corrective actions, take out the workpiece on the equipment and put it into the measurement again.
7. Balancer production efficiency: is the ratio of the actual output of qualified products to the test unit time within the specified work piece time. It reflects the maximum output achieved. It measures an individual's performance against targets such as output, cost, income, or profit.
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