A casing marking positioning device and method

Abstract

The invention discloses a case mark positioning device which is used for positioning a mark D and a mark E in a case machining process. The case mark positioning device includes a sample; a calibration edge is arranged on the sample; the shape of the calibration edge is identical to the axial shape of an inner wall of the case; a first positioning point and a second positioning point are arranged on the calibration edge; the first positioning point matches a position of a mark D on the case and is used for positioning the mark D on the case; and the second positioning point matches a position of a mark E on the case and is used for positioning the mark E on the case. The invention also provides a case mark positioning method. The case mark positioning device and method can effectively and accurately position the mark D and the mark E on the same axial section, can ensure the machining precision of the case, and can ensure the machining quality of the case.

Description

technical field [0001] The invention relates to the field of measuring instruments, more specifically, to a casing marking positioning device and method. Background technique [0002] The aeroengine is the heart of an aircraft, and it is a highly complex and sophisticated thermodynamic mechanism that mainly provides the aircraft with the power required for flight. To a certain extent, the level of aero-engine technology directly affects the performance, reliability and economy of the aircraft, and is an important manifestation of a country's technological, industrial and national defense strength. At present, with the development of science and technology, countries all over the world are gradually strengthening the research and development of aero engines. [0003] The casing is one of the important components of the aero-engine, which mainly protects and supports the generator. Since aero-engines generally need to provide super-large power output, the overall size of aer...

AI Technical Summary

Problems solved by technology

In the existing design, due to the lack of a special positioning device for this kind of large casing marking, in the process of actually positioning these markings, the operator can only rely on the naked eye to locate them or rely on an ordinary ruler to locate them. , in this way, it is often caused that the markings D and E cannot be positioned on the same axial section, which greatly affects the machining accuracy of the later stage of the casing, and even causes the casing to be scrapped

Images