Prediction and Analysis of End Milling Deformation of Casing Parts Based on Quasi-Static Mechanics

Huan Zhao; Teng Hu; Sijia Peng; Zichun Ma

doi:10.54691/5p9hm491

Authors

Huan Zhao
Teng Hu
Sijia Peng
Zichun Ma

DOI:

https://doi.org/10.54691/5p9hm491

Keywords:

Quasi Static; Casing; End Milling; Deformation; Prediction.

Abstract

In view of the deformation generated during the casing end milling process, the casing parts are meshed and nodaled through Hypermesh, and the finite element simulation software ABAQUS is developed for secondary development by Python, so as to realize the simulation process of quasi static outer ring belt end milling. Combined with the simulation results, the deformation law in the process of casing end milling is analyzed, and the maximum deformation is near the machining position, and the deformation gradually decreases as it moves away from the machining position; the local geometric characteristics of the casing will lead to significant inconsistencies in the milling deformation of the ring belt end. The average errors predicted by the simulation model in the local height and feed direction are 13.66% and 12.17%, respectively, and the average error and maximum error of the overall prediction of the model are 19.75% and 14.28%, respectively, which are less than 20%, and the prediction accuracy is within the acceptable range, which shows the reliability of the simulation model. Using the simulation model, the factors affecting the milling deformation of the casing end are studied, which provides guidance for the future research of the end milling deformation compensation technology.

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