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Feature machining method for shell parts

A processing method and shell technology, applied in the CNC machining of complex shells of aviation fuel accessories, feature processing of shell parts, and processing of shell parts, can solve the problems of lack of effective quantitative analysis of processing methods, unfavorable processing experience and Insufficient judgment ability of process parameters and shell parts, etc., to achieve the effect of reducing the time occupied by the machine for programming, improving the quality and efficiency of programming, and improving the quality of processing

Inactive Publication Date: 2018-06-29
XIAN AERO ENGINE CONTROLS
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Problems solved by technology

The traditional part processing method mainly uses experience to conduct qualitative analysis on parts, lacks the determination of effective quantitative analysis of the processing method, the entire processing process is inefficient, and the technical means are backward, and it is not conducive to the inheritance of processing experience and process parameters. There are differences in experience, resulting in insufficient ability to judge different structural process methods of shell parts, and the level of part information sharing is low
For feature programming technology, the existing researches are mainly aimed at structural parts such as large frames and beams produced by OEMs, and are mainly customized and customized according to customer needs. At present, there is no fast programming software or related high-efficiency programming for shell parts. Methods to choose from

Method used

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  • Feature machining method for shell parts
  • Feature machining method for shell parts
  • Feature machining method for shell parts

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Embodiment Construction

[0039] see figure 1 , figure 2 as well as image 3 , the invention provides a feature processing method for shell parts, the method comprising the following steps:

[0040] 1) Build manufacturing feature knowledge base

[0041] 1.1) Structural feature classification

[0042] In the design stage of complex shells, designers design based on functional requirements and structural attributes, and the formed 3D model of the part is the final shape and functional structure of the product, without considering the needs of downstream manufacturing. In the early stage, the company classified the structural features according to the functional requirements, and formed the product structural features of shell parts through induction.

[0043] 1.2) Construct manufacturing feature structure

[0044] In order to transform the above structural features into manufacturing features, combined with the structural features that have been summarized so far, the geometric information and proc...

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Abstract

The invention belongs to the field of machining, and relates to a machining method of shell parts. The machining method comprises the following steps of first, building a shell part manufacturing feature knowledge base; and second, calling the shell part manufacturing feature knowledge base to form the feature machining technology of shell parts. With the feature machining method of the shell parts, the machining efficiency can be obviously improved, and the stability of product quality is good.

Description

technical field [0001] The invention belongs to the field of mechanical processing, and relates to a processing method of shell parts, in particular to a feature processing method of shell parts, which is mainly applied to the numerical control processing of complex shells of aviation fuel accessories. Background technique [0002] Complex shell parts have complex structures and are difficult to process and manufacture. Traditional processing methods are mainly based on personal experience, and the processing technology is set for basic elements such as holes, surfaces, grooves, and threads of the shell. The process first determines the processing method and the type of process equipment based on empirical analysis, then selects the tool type used for processing, and finally assigns the corresponding cutting parameter values ​​according to the tool type and personal experience. The processing technology setting of shell structure features composed of basic elements. The tra...

Claims

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Application Information

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IPC IPC(8): B23P13/02
CPCB23P13/02
Inventor 宋文韩晓光田东缙姚献平李峰王茹
Owner XIAN AERO ENGINE CONTROLS
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