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What is the cause of the deterioration of the machining accuracy of the parts?
by：Foxron
2021-11-24
Accuracy is very important for parts processing, because it affects the final results, so if we want the final product to have a good effect, then we must ensure that the accuracy is always correct. If the accuracy has changed, it must be corrected in time, but because there is more than one factor that affects the accuracy, you must know what is the cause of the accuracy before solving the problem. Let's take a look at the worsening of the accuracy of the parts. what is the reason?
1. The machining accuracy of the part itself is poor. Generally speaking, if the dynamic error between the shafts is not adjusted properly during installation, or because the shaft transmission chain changes due to wear, the accuracy of the parts will be affected. Generally speaking, the accuracy check caused by this type of error can be solved by re-adjusting the compensation amount. If the error is too large or even if an alarm occurs, it is necessary to check the servo motor to see if its speed is too high.
2. The overshoot of the machine tool during operation will also affect the machining accuracy. It may be because the acceleration and deceleration time is too short. Prolong the change time appropriately. Of course, it is also very likely that the link between the lead screw and the servo motor is loose. .
3. Because the roundness produced by the two-axis linkage is out of tolerance, the machine is not adjusted properly to form a circular axial deformation, the screw clearance compensation of the shaft is not correct or the shaft positioning is offset, which may affect the accuracy of the precision parts Make an impact.
The above points are the reasons for the deterioration of the machining accuracy of the parts. Now the more precise the parts, the higher the accuracy requirements, so we must pay attention to this aspect, so today we will talk about it first. , If you want to know more information, welcome to visit the precision parts processing website to learn more.
1. The machining accuracy of the part itself is poor. Generally speaking, if the dynamic error between the shafts is not adjusted properly during installation, or because the shaft transmission chain changes due to wear, the accuracy of the parts will be affected. Generally speaking, the accuracy check caused by this type of error can be solved by re-adjusting the compensation amount. If the error is too large or even if an alarm occurs, it is necessary to check the servo motor to see if its speed is too high.
2. The overshoot of the machine tool during operation will also affect the machining accuracy. It may be because the acceleration and deceleration time is too short. Prolong the change time appropriately. Of course, it is also very likely that the link between the lead screw and the servo motor is loose. .
3. Because the roundness produced by the two-axis linkage is out of tolerance, the machine is not adjusted properly to form a circular axial deformation, the screw clearance compensation of the shaft is not correct or the shaft positioning is offset, which may affect the accuracy of the precision parts Make an impact.
The above points are the reasons for the deterioration of the machining accuracy of the parts. Now the more precise the parts, the higher the accuracy requirements, so we must pay attention to this aspect, so today we will talk about it first. , If you want to know more information, welcome to visit the precision parts processing website to learn more.
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