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Generation method of NC machining chain for structural parts based on fusion of process plan and machining unit

A technology of process plan and processing unit, applied in the direction of program control, computer control, general control system, etc., can solve the problem that the NC processing files cannot meet the actual needs, etc.

Active Publication Date: 2015-10-28
SHENYANG AIRCRAFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of NC programming technology, the CAM (Computer Aided Manufacturing) system has a strong ability to process complex NC programming, but relying solely on the experience of craftsmen to generate NC processing files in an interactive way can no longer meet actual needs

Method used

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  • Generation method of NC machining chain for structural parts based on fusion of process plan and machining unit
  • Generation method of NC machining chain for structural parts based on fusion of process plan and machining unit
  • Generation method of NC machining chain for structural parts based on fusion of process plan and machining unit

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] 1) Process plan construction;

[0052] 2) The process plan and the processing unit are integrated to construct the CNC processing chain;

[0053] The process plan construction described therein includes two basic technologies: (1) process plan model; (2) process plan construction rules;

[0054] Among them, the process plan model is represented by a tree structure, including seven-level nodes of parts, machine tools, stations, processes, steps, programs, and tools. These seven-level nodes are in turn parent-child relationships, such as figure 1 As shown; the part node in the tree structure is the root node, the tool node is the leaf node, and the i-th level node is the parent node of the i+1-th level node, 1≤i≤6. In summary, the BNF paradigm of the process scheme representation model is given as follows:

[0055] ::=(, , , {}, ...)

[0056] ::=(, , {}, ...)

[0057] ::=(, , {}, ...)

[0058] ::=(, , , {}, ...)

[0059] ::=(, , , {}, ...)

[0060] ::=(, {}…)

...

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Abstract

The invention relates to a method for generating a structural part numerical control processing chain with a process scheme integrated with a processing unit. The method comprises a first step of establishing the process scheme and a second step of integrating the process scheme with processing unit to establish the numerical control processing chain. According to the method for generating the structural part numerical control processing chain with the process scheme integrated with the processing unit, by establishing the airplane structural part numerical control processing chain with the process scheme integrated with the processing unit, the process is deeply expressed, and automatic generation of numerical control processing files is finished to achieve full automation of a numerical control programming system.

Description

technical field [0001] The invention relates to a method for generating a numerically controlled machining chain of a structural part in which a process plan and a processing unit are integrated. In a fast numerically controlled programming system for complex structural parts of an aircraft, it is used to express the structural result model of the machining unit in the process of automatic programming. Through integration with CAM software The processing structure tree forms a mapping, and the numerical control processing file is directly generated by instantiation, which belongs to the technical field of digital advanced manufacturing of aircraft. Background technique [0002] With the development of NC programming technology, CAM (Computer Aided Manufacturing) system has a strong ability to process complex NC programming, but relying solely on the experience of craftsmen to generate NC processing files in an interactive way can no longer meet the actual needs. Therefore, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/4097
Inventor 杜宝瑞陈树林初宏震郑国磊王碧玲沈力华周敏李恒宇赵丹周元莉刘本刚赵璐张雯
Owner SHENYANG AIRCRAFT CORP