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How to effectively improve the quality of mechanical parts processing?

  In order to effectively improve the quality of machining of mechanical parts, it is critical to find the main factors (original errors) that cause processing errors. However, how to take corresponding technological measures to control or reduce the impact of these factors? Let's take a look today!


  First, the error grouping method. This method is often more economical than improving the accuracy of warning against gross errors. For example, when finishing the tooth profile, in order to ensure the coaxiality of the ring gear and the inner hole of the gear after processing, the cooperation gap between the gear and the mandrel should be reduced. In production, it is often grouped according to the internal scale of the gear, and then cooperates with the corresponding grouping mandrel. This distributes the original errors due to the gap, and improves the azimuth accuracy of the gear ring.


  Second, the error compensation method. This method is to artificially create a new type of original error, offset the original error inherent in the original process system, and then achieve the intention of reducing processing errors and processing accuracy.


  Third, the error transfer method. This method essentially transfers a few errors, deformations, and thermal deformations of the process system to a direction that does not affect the machining accuracy. For example, for a multi-station process with indexing or indexing or a process that uses an indexing tool post, the indexing and the errors of the entrepreneur will directly affect the machining accuracy of the part's appearance.


  Fourth, the error equalization method. This method uses closely related appearances to each other, correct each other, and perhaps use each other as a benchmark for processing. It can make those large errors more uniformly affect the entire machining appearance, and make the machining errors transmitted to the workpiece surface more uniform, so the machining accuracy of the workpiece is greatly improved accordingly.