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Assembly connection relation information extraction and expression method for assembly sequence planning

A technology for assembly sequence planning and connection relationships, applied in manufacturing computing systems, data processing applications, instruments, etc., can solve problems such as reducing the amount of calculations, achieve the effects of improving efficiency and automation, reducing intervention, and reducing difficulty

Active Publication Date: 2019-04-05
JIANGSU UNIV OF SCI & TECH
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  • Description
  • Claims
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Problems solved by technology

[0008] The purpose of the present invention is to propose a new assembly in order to overcome the shortcomings of automatic acquisition of the connection relationship between the parts and the expression and application of the connection relationship in the assembly sequence planning of the existing complex assembly in the assembly sequence planning The automatic extraction and expression method of the connection relationship obtains the connection relationship between parts by judging the characteristics of the model, and uses the intrinsic characteristics of each connection relationship to guide the generation of a local assembly sequence, so as to reduce the calculation amount of assembly sequence planning and improve the accuracy of complex product assembly sequence planning. efficiency

Method used

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  • Assembly connection relation information extraction and expression method for assembly sequence planning
  • Assembly connection relation information extraction and expression method for assembly sequence planning
  • Assembly connection relation information extraction and expression method for assembly sequence planning

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail through the following examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] A method for extracting and expressing assembly connection relationship information for assembly sequence planning according to the present invention specifically includes the following steps:

[0037] 1. Classify the parts according to the function of each part in the product.

[0038] (1) Functional parts. Components (such as shafts, etc.) used to achieve specific requirements.

[0039] (2) Connectors. Parts (bolts, studs, pins, keys, etc.) used to maintain structural stability.

[0040] According to the difference in maintaining the stability of the assembly structure, the connectors are divided into the following types:...

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Abstract

The invention discloses an assembly connection relation information extraction and expression method for assembly sequence planning. The method comprises the following steps of generatingAn assembly contact matrix, an assembly support matrix and an assembly interference matrix of a product by utilizing a conventional method; Analyzing different types of connecting pieces to obtain a connecting relationship among the parts and a database for storing part of the parts according to an assembly sequence, and introducing the connecting relationship into an assembly contact matrix to form assembly contact; A connection matrix; The method comprises the following steps: determining reference parts and candidate parts through an assembly matrix, processing the candidate parts, setting parts to be assembled, judging the parts to be assembled which can be assembled, and matching the parts to be assembled with a database to obtain the assembly sequence of all the parts in the parts to be assembled. The connecting pieces are classified and analyzed, the connecting relation between the parts is obtained and acts on the assembly sequence planning, the efficiency of the assembly sequence planningcan be improved, the assembly cost is reduced, the error rate is reduced, and the production period is shortened.

Description

technical field [0001] The invention relates to the technical field of automatic product assembly sequence planning, in particular to a method for automatically extracting and expressing assembly connection relationship information for complex assembly assembly sequence planning. Background technique [0002] The assembly cost of the product accounts for about 40% to 50% of the manufacturing cost, and assembly automation has always been a bottleneck in manufacturing automation. Assembly sequence planning (ASP) is a key technology of assembly automation. It mainly completes the automatic arrangement of the assembly sequence of each component in the assembly on the basis of obtaining the constraint information in the assembly, so as to generate an assembly that meets the actual assembly requirements of the assembly. assembly sequence. [0003] At present, scholars at home and abroad have made a lot of explorations on assembly sequence planning technology, and introduced disas...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/04G06F17/16
CPCG06F17/16G06Q10/06313G06Q50/04Y02P90/30
Inventor 方喜峰吴家家张胜文李群官威张辉
Owner JIANGSU UNIV OF SCI & TECH
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