A positioning method for the manufacture of casing support plate

A positioning method and support plate technology, applied in the field of casting, can solve the problems of inaccurate positioning, wrong teeth of the support plate, etc., and achieve the effects of high positioning accuracy, convenient processing, and meeting design requirements

Active Publication Date: 2018-09-28
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a positioning method for the manufacture of casing support plates, which solves the problems in the prior art that the positioning is not accurate when the support plates are subsequently welded, and the support plates have wrong teeth.

Method used

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  • A positioning method for the manufacture of casing support plate
  • A positioning method for the manufacture of casing support plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] In this embodiment, the main steps of manufacturing the casing support plate are as follows:

[0029] 1) Determination of dedicated positioning structure

[0030] According to the dimensional and structural characteristics of the 6 part numbers of the casing support plate, the size requirements of the positioning boss are specified, and the special positioning drawings for the casing support plate are drawn. Optimize the casting mold according to the drawing, and put the casting into production.

[0031] 2) Design and manufacture of special tooling

[0032] The special positioning method for the casing support plate is adopted, and the special tooling is designed and manufactured, which is used for the size inspection of the casing support plate, machining, and welding assembly processes to ensure that the above processes adopt a unified standard.

[0033] 3) Use the effect verification

[0034] Use special tooling to detect, process, and weld the support plate to ve...

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PUM

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Abstract

The invention relates to the casting field, particularly to a positioning method for manufacturing of a cartridge receiver support plate. Three positioning bosses A1, A2, and A3 are arranged at one side of a blade body of a cartridge receiver support plate, wherein the three positioning bosses A1, A2, and A3 are distributed in a three-point positioning mode; a positioning boss is arranged at a positioning point B1 located at the upper side of the mounting edge of one side of the blade body, a positioning boss is arranged at a positioning point B2 located at the lower side of the mounting edge of one side of the blade body, and a positioning boss is arranged at a positioning point C1 located at the back of a flange of the cartridge receiver support plate. Blade positioning is realized by using the three positioning bosses A1, A2, and A3 as the main primary references; the axial height dimension is localized by using the positioning bosses B1 and B2 as auxiliary positioning points; and the circumferential dimension is localized by using the positioning boss C1 as the auxiliary reference positioning point. According to the invention, six positioning bosses are manufactured at the parts like the support plate blade body and the mounting edge and the like and are used as the unique reference system for dimension measurement, mechanical processing, and cartridge receiver welding; reference unification of all procedures can be realized; the support plate dimension can be measured rapidly and accurately; and processing, welding, positioning, and installation can be realized conveniently.

Description

technical field [0001] The invention relates to the field of casting, in particular to a positioning method for manufacturing a casing support plate. Background technique [0002] In the early stage of development and production of an engine casing support plate casting, the positioning reference of the support plate casting is selected on the outer contour, which is suitable for castings with relatively simple shapes and regular outer contours. However, for a casting with a special-shaped outer profile of the support plate used for a certain engine case, a certain type of intermediate casing is welded by the inner casing and the support plate. In the past, the positioning of the support plate used the conventional casting outer contour positioning. The dimensional inspection and processing of the positioning method will lead to inaccurate positioning during the subsequent welding of the support plate, and the phenomenon of wrong teeth of the support plate will occur, which ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/00
CPCG01B21/00
Inventor 白雪峰史凤岭张玉忱刘艳郭伟杰
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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