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Method of judging necessary of spare parts stock

A technology of necessity and spare parts, applied in the field of intelligent inventory management of spare parts, can solve the problems of no intelligence, too few factors considered, and poor results, so as to improve the economic benefits of enterprises, control the inventory of spare parts, and improve the management level Effect

Inactive Publication Date: 2006-09-20
BEIJING UNIV OF CHEM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods are either too theoretical to be practical, or consider too few factors and are not effective.
The current spare parts inventory management software generally only has simple statistical functions, cannot give the necessity and sequence of spare parts inventory, and has no intelligent functions

Method used

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  • Method of judging necessary of spare parts stock
  • Method of judging necessary of spare parts stock
  • Method of judging necessary of spare parts stock

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] Take 18 spare parts in the pyrolysis air compressor of the ethylene plant as an example to illustrate the specific implementation mode, and for the entire ethylene plant, the steps adopted are exactly the same.

[0027] The realization program of the method of the present invention runs on a PC, and the database can be established on the same computer or another computer.

[0028] See figure 1 , first perform step A01 to establish a database of spare parts related parameters, and the relevant parameters include: the spare part number corresponding to the spare part name, and the installed quantity n of the spare part corresponding to the spare part number u , normal replacement time T, inventory quantity n s , unit price P, the effect factor f of the production device in the enterprise l , Function level m in the production device i , the action weight W i , maintenance difficulty level m r , maintenance difficulty weight W r , purchase difficulty level m p , pur...

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Abstract

The invention is a method for judging spare part storage requirements, especially relating to a spare part intelligent storage management technique, and it is implemented on a computer and characterized in that it comprises the steps of: inputting spare part related parameters into a database; inputting operating states of various devices and their parts sent from a device monitoring system into the database; in turn calling the spare part related parameters and running time of various devices from the database and calculating spare part storage requirements by quantization formula and weighing mode; and sequencing all the obtained spare part storage requirements from the large to the small. And it can effectively reduce unnecessary storage and prevent the lack in spare parts.

Description

technical field [0001] The invention belongs to the management category of large-scale production devices, and in particular relates to the intelligent inventory management technology of spare parts. Background technique [0002] Spare parts are necessary to ensure the normal operation of production equipment for a long time. Unreasonable spare parts inventory may cause a shortage of some spare parts varieties, and there may be quite a few varieties of spare parts in stock that are not used for a long time or even expired, or even if they do not exist. There is a shortage of inventory, but there are also quite a variety of spare parts in stock that have not been used for a long time or even expired. In either case, it will cause a backlog of spare parts, an increase in inventory funds, and an increase in inventory costs. When there is a shortage of spare parts, it will also cause the shutdown of the device and the suspension of production. For a large-scale production devi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/00G06Q10/08
Inventor 钱才富沈鋆姜忠军孟邹清
Owner BEIJING UNIV OF CHEM TECH
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