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Rotary machining feature recognition method and device

A technology for processing features and identification methods, applied in CAD numerical modeling, design optimization/simulation, etc., can solve problems such as neglecting relationships, and achieve the effects of avoiding duplication of labor, reducing difficulty, and improving accuracy

Pending Publication Date: 2020-02-25
WUHAN KAIMU INFORMATION TECH
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Problems solved by technology

However, when the existing rotary machining feature recognition technology performs feature recognition, each processing feature on the rotary part is independently identified, and the relationship between these features is ignored.

Method used

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  • Rotary machining feature recognition method and device
  • Rotary machining feature recognition method and device
  • Rotary machining feature recognition method and device

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Embodiment Construction

[0045]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0046] In order to accurately and efficiently identify the rotary processing features on rotary parts, and provide necessary information for part machinability analysis and automatic reasoning of processing technology, this invention proposes a rotary processing feature recognition method based on the rotary surface system. surface system, and then...

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Abstract

The embodiment of the invention provides a rotary machining feature recognition method and device. The method comprises the steps of judging whether a target part is a rotary part or not; if the target part is a rotary part, identifying all rotary surface systems of the target part; and identifying the rotary machining characteristics based on each rotary surface system of the target part. According to the embodiment of the invention, all rotary surface systems on the part are firstly identified, and then rotary machining feature identification is carried out, so that repeated judgment on whether the part is a coaxial rotary surface or not can be effectively avoided; meanwhile, the implementation difficulty of a rotary machining feature recognition algorithm is reduced, so that the recognition accuracy is improved; the rotary machining feature recognition result based on the rotary surface system can provide basis and reference for machinability analysis and judgment and machining process reasoning of rotary parts.

Description

technical field [0001] The present invention relates to the technical field of computer-aided design and manufacturing, and more specifically, to a method and device for recognizing rotary machining features. Background technique [0002] Machining feature recognition is to identify and analyze a group of faces on the part design model with manufacturing meanings, and analyze the manufacturing meanings, so as to transform the geometric information of the part design into processing technology information with manufacturing meanings. Processability analysis and process reasoning provide the basis and conditions. Rotary parts refer to parts that are mainly composed of rotary surfaces and planes, and are mainly manufactured by turning during processing. Rotary parts are a very common type of parts, and their machining features usually consist of a set of coaxial rotary surfaces and a plane perpendicular to the rotary axis. [0003] The existing feature recognition technology ...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F111/10
Inventor 杨威曾芬芳穆骅
Owner WUHAN KAIMU INFORMATION TECH
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