Automatic generating method for internal compressing boss of plane component

A technology of aircraft structural parts and bosses, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as difficulty in ensuring accuracy, complexity, and low efficiency, and achieve high accuracy, good results, and speed fast effect

Active Publication Date: 2013-09-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0003] The purpose of the present invention is to invent an automatic calculation and high-efficiency automatic generation of internal compression bosses for aircraft structural parts in order to solve the problems of large repetitive workload, low efficiency, and difficulty in ensuring accuracy in existing manual generation of internal compression bosses. method
The compression boss generated by

Method used

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  • Automatic generating method for internal compressing boss of plane component
  • Automatic generating method for internal compressing boss of plane component
  • Automatic generating method for internal compressing boss of plane component

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Embodiment Construction

[0064] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0065] A method for automatically generating internal compression bosses of aircraft structural parts, the flow chart of which is shown in figure 1 As shown, the example part is as figure 2 shown, including the following steps:

[0066] First, click on the aircraft structural part that needs to be added with an internal pressing boss, and read the feature recognition result information of the aircraft structural part. The information of the hole features and groove features of the part is obtained through the feature recognition results, and the size parameter information of the internal pressing boss is obtained through the human-computer interaction interface. Use automatic and manual methods to determine the hole features that need to be placed on the pressing boss, extract the boundary of the hole feature, and offset the boundary to obtain the bo...

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Abstract

An automatic generating method for an internal compressing boss of a plane component is characterized by including firstly, performing preprocessing such as part selection, part feature information input and compressing boss parameter input; secondly, acquiring hole feature composition face information and groove feature top face information from part feature information, determining hole features requiring the compressing boss, generating boundaries of the compressing boss according to the hole feature composition face information, and determining compressing hole position and compressing hole contour; finally, automatically calculating boss height, generating the compressing boss and scraps by operations such as stretching. The automatic generating method has the advantages that the automatic generating method is fast in compressing boss generation, high in accuracy, and capable of realizing automatic generation of the internal compressing boss of the plane component, the problems of complexity and low efficiency in manual compressing boss generation are solved, and good effect in generation of the internal compressing boss of the plane component is achieved.

Description

technical field [0001] The invention relates to an automatic generation method for internal compression bosses of aircraft structural parts, in particular to an automatic generation method for internal compression bosses of aircraft complex structural parts, and belongs to the technical field of CAD / CAPP / CAM. Background technique [0002] Aircraft structural parts are an important part of the aircraft body skeleton and aerodynamic shape, mainly including frames, beams, ribs and other types. In modern aircraft design, integral structural parts are widely used as the main load-bearing components. Aircraft structural parts are large in size, complex in structure, high in processing requirements, rich in thin walls, deep cavities, and narrow areas, and are prone to deformation during processing. In order to ensure the quality of processing, it is necessary to create corresponding pressing process bosses on the outer contour and inside of the parts in the processing of aircraft s...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 李迎光刘旭李强李海刘长青郝小忠
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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