Thin-walled structures are widely used in the aerospace field because of their light weight and high specific strength. However

due to its complex structure

weak rigidity and high material removal rate

the finished parts processed by milling are prone to machining errors

which seriously affects their performance. Therefore

controlling the machining error of thin-walled structures has important practical significance. By analyzing the machining characteristics of thin-walled structure

the source of machining error of thin-walled structure is summarized. According to the sources of machining errors

different types of machining errors of thin-walled structures are introduced

including clamping positioning

cutting load

cutting vibration

machine tool errors

residual stresses

and multi-process machining. Then the prediction and control methods of machining errors of thin-walled structures are summarized from these six aspects. Finally

the current challenges and future development of control methods for milling errors in thin-walled structures are expounded.