A knowledge push method for heat treatment process based on material composition similarity

A technology of process knowledge and similarity, which is applied in the field of heat treatment process knowledge push based on material composition similarity, can solve the problems of not considering batch differences and insufficient targeted guidance ability, so as to improve retrieval efficiency, avoid manual operation, The effect of exact similarity matching

Active Publication Date: 2021-09-17
CAPITAL AEROSPACE MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Heat treatment process design is usually based on empirical process design, especially the heat treatment process parameters such as temperature, which are often stipulated relatively broadly, without considering the actual batch differences of materials in terms of elemental chemical composition content, etc., in targeted guidance lack of ability

Method used

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  • A knowledge push method for heat treatment process based on material composition similarity
  • A knowledge push method for heat treatment process based on material composition similarity
  • A knowledge push method for heat treatment process based on material composition similarity

Examples

Experimental program
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Effect test

Embodiment 1

[0141] A method for pushing heat treatment process knowledge based on material composition similarity according to the present invention comprises the following steps:

[0142] (1) Enter the standard data of the chemical composition content of various metal materials related to heat treatment;

[0143] By establishing data master tables and sub-tables, enter the standard data of the chemical composition content of various metal material elements given in the national or industry testing standards, that is, enter the C, Si, P, S given in the national or industry testing standards Standard data of chemical composition content of other elements;

[0144] Set fields such as "material grade" and "test standard code" in the main table, and set attribute fields such as element number, element code, element content, and element weight in the sub-table;

[0145] Through the "element serial number" field, specify the sequence of elements, which is generally consistent with the sequence...

Embodiment 2

[0201] A method for pushing heat treatment process knowledge based on material composition similarity according to the present invention comprises the following steps:

[0202] (1) Enter the standard data on the chemical composition content of various metal materials related to heat treatment, and establish a data master table and sub-table;

[0203] (2) Accumulate and record the actual measurement data of the chemical composition content of each batch of metal materials, establish data master tables and sub-tables; accumulate and record the actual measurement of process parameters such as process methods, temperature, time, and vacuum degree during heat treatment of each batch of metal materials Data; accumulate and record the heat treatment performance and mechanical performance data of each batch of metal materials;

[0204] (3) Calculate the similarity index of each material according to the recorded measured data of the chemical composition content of each metal material ...

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Abstract

The invention provides a heat treatment process knowledge push method based on material composition similarity. This method enters the standard data of the chemical composition content of various metal materials related to heat treatment, establishes the data master table and sub-table; accumulates and records the measured data of the chemical composition content of each batch of metal material elements, and establishes the data master table and sub-table; accumulates and records The actual measurement data of process parameters such as process method, temperature, time, and vacuum degree during heat treatment of each batch of metal materials; accumulate and record the heat treatment performance and mechanical property data of each batch of metal materials; according to the recorded chemical composition content of each metal material element Based on the measured data, the similarity index of each material is calculated; using the similarity index of the material, the push of heat treatment knowledge is realized through similarity retrieval. The invention realizes the accumulation and reuse of heat treatment data, reduces the dependence on the experience of on-site operators, and improves the efficiency and quality of process design.

Description

technical field [0001] The invention relates to the technical field of digital manufacturing, in particular to a method for pushing heat treatment process knowledge based on material composition similarity. Background technique [0002] At present, in the heat treatment production site, the ability and means of automatic collection of heat treatment process parameters are available, and it is urgent to realize the accumulation and reuse of collected data through the knowledge base. [0003] Heat treatment process design is usually based on empirical process design, especially the heat treatment process parameters such as temperature, which are often stipulated relatively broadly, without considering the actual batch differences of materials in terms of elemental chemical composition content, etc., in targeted guidance There are deficiencies in capacity. [0004] Establishing a knowledge base by integrating the measured process parameters of heat treatment at the production ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G16C20/00
CPCG16C20/70
Inventor 杨立明谢格叶茂安康战玉晓刘杰杨卫华何薇邹新军李赫韩婧徐雯
Owner CAPITAL AEROSPACE MACHINERY
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