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Method for extracting and expressing assembly connection relation information for assembly sequence planning

A technology of assembly sequence planning and connection relationship, which is applied in data processing applications, manufacturing computing systems, instruments, etc., and can solve problems such as reducing the amount of calculation

Active Publication Date: 2021-04-23
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Method for extracting and expressing assembly connection relation information for assembly sequence planning
  • Method for extracting and expressing assembly connection relation information for assembly sequence planning
  • Method for extracting and expressing assembly connection relation information 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 a method for extracting and expressing assembly connection relationship information for assembly sequence planning, using conventional methods to generate assembly contact matrix, assembly support matrix and assembly interference matrix of products; by analyzing different types of connectors, the relationship between parts can be obtained The connection relationship and the database of parts stored in the sequence of installation and assembly, the connection relationship is introduced into the assembly contact matrix to form the assembly contact-connection matrix; the reference parts and candidate parts are determined through the assembly matrix, and the candidate parts are processed and the parts to be assembled are set , determine the components to be assembled that can be assembled, and then match them with the database to obtain the assembly sequence of all parts in the components to be assembled. The invention obtains the connection relationship between the parts by classifying and analyzing the connectors and acts on the assembly sequence planning, which can improve the efficiency of the assembly sequence planning, reduce the assembly cost, reduce the error rate, and shorten the production cycle.

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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Patent Type & Authority Patents(China)
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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