Research On Machining Processes For Body Of Nozzle

This thesis is about the manufacturing process technology of the aeroengine. With the increasing demands for hi-performance aeroengine and the changing of the manufacturing condition in our country, it’s a trend of times to improwe the traditional machining process of the key parts of the aeroengine by The NC machining methods.Aiming at solving the difficult process technology problems of the body of nozzle, the thesis gives the instance of a certain type aeroengine’s process optimizations, discusses the basic content, the ways of realization and the key technology of the machining process optimizations, and provides one solution for the optimizations of the body of nozzle under the NC manufacturing conditions. Main aspects this thesis researches and discusses are:Methods of realization and the basic contents of the machining process optimizations of the body of a nozzle. Based on the defining of the process optimizations under the NC manufacturing conditions, the thesis gives the basic content, the ways of realization and the key technology of the machining process optimizations under the NC machining condition.Machining process optimizations for the body of nozzle under the NC machining condition:Based on analyzing the structure characteristic, the difficulties of processes and the original processes, this thesis puts forward new optimization process ways and make new digitized process methods, which improve the efficiency of manufacturing and eligible proportion of the parts greatly.Study on the NC machining processes of the body of nozzle:The thesis researched the basic ways of the NC process technology optimizations of the body, the programming methods, the cutting ways and the cutter selections in the process of the NC machining and so on. It focused on the NC machining methods of typical characteristic of the body of nozzle, including the process path of milling machining the manufacturing of pocket parts, the manufacturing of bore, the method of orientation and clamp towards nozzle and so on.This thesis accomplishes the process technology optimization of a certain type aeroengine’s body of nozzle under the digitized conditions. This optimized machining process will be used in the manufacturing of this body of nozzle in the future.