1. The processing accuracy of the crown spring pin socket itself is poor: Generally speaking, if the dynamic error between the shafts is not adjusted well during installation, or the shaft transmission chain changes due to wear and tear, it will affect the parts. Accuracy has an impact. Generally speaking, the accuracy deviation caused by this type of error can be solved by re-adjustment compensation. If the error is too large or even if an alarm is issued, the servo motor must be checked 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 due to the too short acceleration and deceleration time, and the change time may be appropriately prolonged. Of course, it is also particularly likely that the link between the lead screw and the servo motor is loose.
3. Due to the excessive roundness caused by the linkage of the two shafts: the machine is not adjusted properly to form the axial deformation of the circle, the screw gap compensation of the shaft is not correct or the shaft positioning is offset, it is possible to insert the pin hole of the precision part The accuracy of the impact.