Complete set of equipment for machining aircraft engine exhaust pipe and machining technology

• Main Authors: JI NAN, HAN QIFEI, GAO XIAOGUO, NIE LANQI, LIANG KAIPENG, CHU XIAOHUI, ZHAO DENGXIANG
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2019
• Subjects: COMBINED OPERATIONS; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; OTHER WORKING OF METAL; PERFORMING OPERATIONS; TRANSPORTING; UNIVERSAL MACHINE TOOLS

The invention discloses a complete set of equipment for machining an aircraft engine exhaust pipe. The complete set of equipment for machining the aircraft engine exhaust pipe comprises a chamfering lathe, a small end face machining lathe, a big end face machining lathe, an exhaust oblique conical hole machining drilling machine and an inner hole-turning lathe which are sequentially arranged fromfront to back. The invention further discloses a technology for machining the aircraft engine exhaust pipe, and the complete set of equipment is used in the technology. The technology for machining the aircraft engine exhaust pipe comprises the following steps that 1) chamfering is conducted on end faces of a convex column of an exhaust pipe workblank firstly; 2) a small end face of the exhaust pipe workblank is machined; 3) a big end face of the exhaust pipe workblank is machined; 4) turning of threads is conducted on an inner hole of the small end face; 5) an inner hole of the big end face is machined; 6) drilling m