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Detection method and system of detection path in consideration of interference between process boss and part body

A technology of process bosses and detection methods, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as interference and collision between measuring heads and process bosses or parts, and achieve improved efficiency and detection High accuracy, short detection path, and improved detection efficiency

Active Publication Date: 2016-11-23
CHENGDU JIAODA PUER IND CO LTD
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Problems solved by technology

[0005] One of the purposes of the present invention is to solve the problem of interference and collision between the measuring head and the process boss or the part body during the online detection of the parts in the current large-scale aircraft structural parts numerical control machining, and to provide a method that considers the process boss and the part body. The detection method of the detection path of body interference effectively avoids the problem of interference collision during online detection, and then obtains a non-interference detection path

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  • Detection method and system of detection path in consideration of interference between process boss and part body
  • Detection method and system of detection path in consideration of interference between process boss and part body

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with accompanying drawing.

[0041] like Figure 1-7 As shown, a detection method of the detection path considering the interference between the process boss and the part body includes the following steps:

[0042] 1. Read the process model of the part; import the process model of the part in the CAM environment.

[0043] 2. Read the model of the process boss; import the process boss model of the part in the CAM environment.

[0044] 3. Read the feature recognition result list file of the part. The feature recognition result list is the result of the part detection feature recognition, which records all the detection feature information of the part; including the rib position feature, rib height feature, rib thickness feature, and hole position feature of the part And contour features, etc., to generate the detection point information required on each detection feature of the part.

[0045] 4. Obtai...

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Abstract

The invention discloses a detection method of a detection path in consideration of the interference between a process boss and a part body. The method comprises the following steps: firstly reading the part body and the process boss and automatically generating all detection points on part detection features; performing path planning on detection step level, detection feature level and feature self-level according to detection process knowledge; finishing the detection step level planning under the support of a process knowledge base; performing the interference inspection on the process boss and the part body between the two adjacent detection features, executing interference avoidance if the interference occurs and determining the detection path between the detection features; aiming at each detection feature, performing the interference inspection on the process boss between the two adjacent detection points in the feature when the feature self-level path planning is performed and executing interference avoidance if the interference occurs, so that the detection path in the feature is determined. According to the detection method and system disclosed by the invention, the problem that when a large complex aircraft structural part is subjected to online detection, a measuring head interferes and collides with the process boss or the part body self is solved.

Description

technical field [0001] The invention relates to an on-line detection technology, in particular to a method for interference inspection of process bosses and parts of aircraft structural parts. The invention relates to the avoidance of interference between a process boss, a measuring head and a part body, and belongs to the field of CAD / CAM / CAPP. Background technique [0002] For large parts such as aircraft structural parts, it has the characteristics of large size, complex structure, difficult processing, high precision requirements, and long processing cycle. At the same time, due to the difficulty in clamping and easy deformation of aircraft structural parts, it will bring great difficulties and detection errors to the state detection of parts after finishing machining. In order to reduce detection errors and improve the detection efficiency of parts, for aircraft structural parts in CNC machining detection, using the method of online detection. [0003] The online dete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/4097
CPCG05B19/4097G05B2219/31418
Inventor 汤晟
Owner CHENGDU JIAODA PUER IND CO LTD
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