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Method for enhancing coding/decoding information accuracy for cutting tool in situation of automatic identification

A technology of encoding information and automatic identification, applied in the direction of instruments, induction recording carriers, computer components, etc., can solve the problems that the accuracy of encoding and decoding cannot be effectively guaranteed, and achieve the effect of avoiding the possibility of wrong reading

Inactive Publication Date: 2009-03-11
NORTHWESTERN POLYTECHNICAL UNIV
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that the existing technology cannot effectively guarantee the accuracy of encoding and decoding, the present invention provides a set of methods for improving the accuracy of encoding and decoding information when cutting tools are automatically marked

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  • Method for enhancing coding/decoding information accuracy for cutting tool in situation of automatic identification

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Embodiment Construction

[0016] At present, there is no unified coding standard for classification of cutting tools at home and abroad, and each cutting tool manufacturer or user unit adopts a self-designed coding system, but this does not affect the use of the present invention. Next, based on the tool library of a certain enterprise, implement a tool coding scheme, which is suitable for most of the machinery manufacturing enterprises. The number of coding digits of each tool is fixed, both are 18 digits, and it consists of 11 parts, and its structure is as attached figure 1 Shown: The first part is the tool type, which consists of 1 digit and is represented by letters, such as X means milling cutter, T means boring tool. The second part is the tool material, which consists of 1 digit and is represented by letters, such as G for high-speed steel, and Y for hard alloy. The third part is the processing material, which consists of 1 digit and is represented by letters, such as T for titanium alloys, an...

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Abstract

The invention discloses a method for improving the correctness of coding and decoding data during the automatic identification of a cutter. When in engraving, whether various data meet the corresponding relation is checked, if no, a code is re-inputted after the check and if so, a checking code bit is utilized for checking the correctness of the code; when in reading the code, the error-correcting decoding for DM is carried out and decoded code data is utilized for checking whether various data meet the binding relation, if partially meeting, the decoding is declared to be a failure and if completely meeting, the decoded checking code bit continues to be utilized for checking whether the decoded code is correct or not, if not, the decoding is declared to be a failure and if so, each syndrome value of an error-corrected code word is re-calculated, if such values are partially 0, the decoding is declared to be a failure and if such values are all 0, the decoded code data is declared to be correct. The method of the invention can significantly prevent the possibility of incorrect cutter code engraving and incorrect identification and reading so as to ensure the whole-process tracking management of the cutter.

Description

technical field [0001] The invention relates to the technical field of automatic identification of manufacturing resources such as knives, and provides a set of methods for improving the accuracy of coding and decoding information during automatic identification of knives. Background technique [0002] In order to track and manage the information at each stage of the tool life cycle in real time, based on certain coding rules, each tool has a unified and standardized information code, which generally consists of several letters or numbers. The automatic identification management of tools is The tool information is directly marked on the tool surface in the form of Data Matrix code (DM for short), so as to realize the automatic reading of the tool information in each stage. When manually inputting the tool code information for automatic marking, it is difficult for the operator to understand the meaning of everyone, and the input is prone to errors, which leads to the complet...

Claims

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Application Information

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IPC IPC(8): G06K7/00
Inventor 何卫平雷蕾张维
Owner NORTHWESTERN POLYTECHNICAL UNIV
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