Punching part sample researching method

A technology of stamping parts and similarity, applied in the process design of new parts and retrieving similar stamping parts, can solve the problems of large process differences, similar processes, rough and simple, etc.
CN101051306AInactive Publication Date: 2007-10-10TONGJI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TONGJI UNIV
Publication Date
2007-10-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

An indexing method of punched element includes picking up character and inter-character constraint from 3-D model of punched element, obtaining thickness and intensity as well as hardness of material according to material information table of punched element and calculating out similarity of new and old punched elements based on process similar point of view.
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Description

technical field

[0001] The invention belongs to the field of machining, and relates to information retrieval and stamping methods, in particular to a method for retrieving similar stamping parts so as to better imitate the stamping process of the retrieved stamping parts to carry out process design of new parts. Background technique

[0002] Stamping process design is characterized by weak theory and strong experience, and it is generally suitable to use Case Based Reasoning (CBR) to design process schemes. CBR uses existing similar examples to solve problems, so how to retrieve similar examples becomes one of the key technologies for applying CBR. Aiming at the problem of instance retrieval, a variety of methods have been proposed at home and abroad, mainly including: nearest neighbor method, induction method and knowledge-based method. However, there are not many literatures successfully applied to stamping instance retrieval. Similar stampings have similar stamping proc...

Claims

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