Fast positioning and corresponding method for machining features and machining operations

A technology of machining features and machining procedures, which is applied in the field of fast positioning and corresponding processing of machining features and machining operations of large parts, which can solve the problems of repetition of wrong operation simulation, affecting simulation, and increasing workload, etc. Efficient effect

Inactive Publication Date: 2012-07-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Application Information

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Problems solved by technology

Sometimes it involves multiple different types of operations, which may be missed when searching, which will

Method used

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  • Fast positioning and corresponding method for machining features and machining operations
  • Fast positioning and corresponding method for machining features and machining operations
  • Fast positioning and corresponding method for machining features and machining operations

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Embodiment Construction

[0026] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0027] figure 1 It is a flow chart of the method for fast positioning and corresponding processing features and processing operations of the present invention, as shown in the figure, including the following steps:

[0028] Before finding an operation, it is necessary to clarify the type of operation and define the key driving geometry of each operation.

[0029] The principle of defining the key driving geometry of an operation is: 1) the core element among all driving elements of a certain operation; 2) the user is easy to click;

[0030] Before filtering the operation type, clarify the operation type used by each part of the part, so as to facilitate the determination of the operation type of the place that needs to be modified in the subsequent process, and filter and search according to the type. For example, the operations of the Pocketing type ...

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Abstract

The invention discloses a fast positioning and corresponding method for machining features and machining operations, which belongs to the technical fields of CAD (computer aided design) / CAM (computer aided machining) / CAPP (computer aided process planning). The method includes steps of: firstly, clicking key drive geometry of the machining features and obtaining an only identification value of the geometry; secondly, obtaining all operations from feature tree of parts, filtering according to operation types to obtain operation of specified type, obtaining all the drive geometry of the operations to obtain only an identification value of each geometry; thirdly, comparing the only identification value of each geometry with the only identification value of the selected geometry, outputting operation names of drive geometries comparatively equal to each other, and highlighting and centering the operations. The fast positioning and corresponding method for machining features and machining operations is high in operation searching efficiency and accuracy, and brings convenience to programmers in terms of program checking and program modification during programming.

Description

technical field [0001] The invention relates to a method for quickly locating and corresponding processing features and processing operations, in particular to a method for quickly locating and corresponding processing features and processing operations of large parts, belonging to CAD (Computer Aided Design) / CAPP (Computer Aided Process Planning) / CAM (Computer Aided Machining) technology field. Background technique [0002] NC programming is the main content of the preparation stage of NC machining, which usually includes analyzing the part pattern and determining the machining process; writing the NC machining program; calculating the tool path to obtain the tool position data; making the control medium; proofreading the program and the first piece trial cutting, etc. , among which the writing of NC machining programs is a key link between the preceding and the following. In the NC programming environment of CAM software, after the programmer writes the NC machining prog...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 李迎光刘长青黄玲玲汤立民
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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