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Feature-based numerical-control method for processing and manufacturing complicated parts

A technology of complex parts and parts, which is applied in the field of feature-based CNC machining and manufacturing of complex parts, can solve problems such as loose manufacturing systems and difficult digital integrated manufacturing, so as to improve production efficiency, reduce dependence on experience, and facilitate automation and intelligence sexual effect

Active Publication Date: 2013-08-07
SUZHOU MACHINING PRECISION ELECTRONICS
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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the existing entire manufacturing system is relatively loose and it is difficult to realize digital integrated manufacturing, use features as the carrier of manufacturing knowledge and experience, realize effective integration of information, and automatically generate the NC machining program of the entire part based on feature CNC machining and manufacturing methods for complex parts

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  • Feature-based numerical-control method for processing and manufacturing complicated parts
  • Feature-based numerical-control method for processing and manufacturing complicated parts
  • Feature-based numerical-control method for processing and manufacturing complicated parts

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Embodiment Construction

[0056] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0057] A feature-based NC machining and manufacturing method for complex parts, expressing the geometry and process information of parts in the entire manufacturing process based on features, using features as the carrier of manufacturing knowledge and experience to achieve effective integration of information, in order to achieve effective integration of information in the entire manufacturing process Maintain the validity of features and the consistency of feature evolution, and use object-oriented and ontology-based methods to represent features:

[0058] (1) Define the ontology of features and the classes of features in each application domain;

[0059] (2) Feature recognition is performed based on the method of holographic attribute surface and edge graph, and the geometric information and process information of the part are extracted from the 3D d...

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Abstract

Disclosed is a feature-based numerical-control method for processing and manufacturing complicated parts. The feature-based numerical-control method includes expressing features on the basis of a body and an object-oriented process; expressing geometrical and technological information of a part in an integral manufacturing procedure on the basis of the features; utilizing the features as carriers of manufacturing knowledge and experience to implement effective integration and closed-loop control for information of manufacturing stages of designing, processing, detecting and the like; and carrying out automatic technological decision, automatic numerical-control programming, post-processing, control for a processing procedure, online detection, technology optimization and working hour prediction on the basis of automatic feature identification and the features. The feature-based numerical-control method has the advantages that information links are effectively connected with one another in the processing procedure, the manufacturing procedure is automatic and intelligent, dependence on manual experience is reduced in the manufacturing procedure, production management for the manufacturing procedure is facilitated, the manufacturing efficiency is improved, and the production cost is reduced.

Description

technical field [0001] The present invention relates to an integrated manufacturing method, especially one based on CAD (Computer Aided Design) / CAPP (Computer Aided Process Planning) / CAM (Computer Aided Manufacturing) / CNC (Computer Numerical Control) / CAI (Computer Aided Inspection) The basis is a manufacturing method that can automatically generate complex parts NC machining programs, specifically a NC machining manufacturing method for complex parts based on the characteristics of aircraft components. Background technique [0002] High precision, high efficiency, and high reliability are the unremitting goals of manufacturing technology. The processing of high-precision, cutting-edge complex products in the fields of aviation, aerospace, automobiles, ships, energy microelectronics, etc. continues to pose new challenges to the ultimate performance of modern manufacturing processes, equipment and systems, and urgently needs methods that can solve the essence of the manufactur...

Claims

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Application Information

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IPC IPC(8): G05B19/4097
Inventor 李迎光刘长青王伟刘旭李海郝小忠李强高鑫
Owner SUZHOU MACHINING PRECISION ELECTRONICS
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