• Title, Summary, Keyword: Bill of Material(BOM)

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A Study on BOM System Constructing for Rolling Stock Maintenance (전동차 유지보수를 위한 BOM 체계 구축에 관한)

  • Son, Young-Jin;Lee, Kang-Won
    • Journal of the Korean Society for Railway
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    • v.10 no.2
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    • pp.195-200
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    • 2007
  • The most important part of RIMS(Rolling Stock Information Maintenance System) project is to construct BOM(Bill of Material). BOM is a listing or description of raw materials, parts, and assemblies that define a product. To construct BOM for RIMS is not a easy task due to several reasons such as data base scale and flexibility, proper integration between physical BOM and functional BOM, interoperability with other systems, etc. In this study we show several principles that Seoul Metro takes to get over the difficulties mentioned above. Based on these principles we propose the methodology Seoul Metro employs to construct BOM efficiently. We also discuss the applicability of BOM in several fields.

A New Approach to Design Variant BOM applying Coordinate Concept (좌표개념을 활용한 Variant BOM 설계의 새로운 접근법)

  • Yu Jin-Seon;Lee Hyeong-Gon;Park Jin-U
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • pp.328-332
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    • 2006
  • 소비자의 요구가 다양해지면서 많은 기업들이 관리해야 할 제품의 종류가 지난 몇 년간 급격히 늘어났다. 이에 한 제품에 대해 다양한 품목군을 유지해야 할 필요성이 제기되었으며, 전통적인 BOM(Bill of Material)으로 다양한 제품을 표현하기에는 막대한 양의 데이터가 발생하여 관리상의 어려움이 생기며, 데이터의 구성에도 중복성의 문제가 발생하게 되는 등의 한계가 드러남에 따라 다양한 제품군을 자체적으로 반영할 수 있는 Variant BOM의 개념 및 설계 방법론이 주목을 받고 있다. Variant BOM은 동일한 제품군에 대해 일부 구성품을 달리하여 구현한 다양한 제품을 반영하는 BOM의 한 종류로서 산업에서의 활용도가 높은 편이나, 여기에도 데이터의 중복성이나 Variant의 정도가 많아지면 관리에 어려움이 생기는 등의 몇 가지 단점을 내포하고 있다. 본 연구에서는 Variant Bill of Material을 대상으로 기존 연구들의 문제점을 분석하고 이를 해결하기 위하여 BOM에 좌표개념을 도입한 새로운 접근법을 제시한다. 이를 통해 BOM의 Structure와 Part를 분리시켰고, Linking Table을 통해 Structure와 Part를 연결하여 기존의 Variant BOM에 있던 문제들을 해결하였다.

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The Study of the RIMS(Rolling-stock Information Maintenance System) for constructing the Rolling-stock's BOM(Bill Of Material) (도시철도 유지보수체계 RIMS관련 전동차BOM 구축에 관한 연구)

  • Park, Soo-Choong;Lee, Do-Sun;Son, Young-Jin
    • Proceedings of the KSR Conference
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    • pp.1247-1252
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    • 2006
  • This Report explains a plan for the application and construction about BOM(Bill Of Material) in charge of primary part of the RIMS(Rolling-Stock Information Maintenance System) maximizing the RIMS's reliability. The BOM system of the Seoul Metro is accomplished the frequent changes of the structure and design through the OEM(Original Equipment Manufacturer) and the maintaining and repairing work and also The BOM system is constructed so that Seoul Metro can solve all problems of the composition change, Rolling-Stock construction, changeful history management. In addition the BOM system of the Seoul Metro is considered the applicative side of the technical data, information of the material, expediency and hindrance analysis.

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Design and Effectiveness Analysis of Relational Logical BOM (Bill Of Material) Database using Repeated Join (반복 조인(Join)을 이용한 관계형 논리 부품구성표(BOM) 데이타 베이스 설계와 그 효용성 분석)

  • Lee, Gyeong-U;Jeong, Gi-Won
    • Asia pacific journal of information systems
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    • v.2 no.1
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    • pp.57-76
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    • 1992
  • Material Requirement Planning(MRP) has been the most widely implemented large scale production management system in the manufacturing industry. Computerization of MRP systems involves, in general, Bill Of Material(BOM) explosion algolithms which usually takes heavy computation time. In order to improve the effectiveness of the MRP systems, we propose to build a logical BOM database in advance, which reflects the Join operations for the BOM explosion. It reduces the response time for the BOM indented explosion. It reduces the MRP processing time. It also increased main memory utilization.

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High performance MRP(Material Requirement Planning) system based on tree-structured BOM(Bill of Material) (트리 구조의 BOM(Bill of Material)에 기초한 고성능 MRP(Material Requirement Planning) 시스템)

  • Na Hong-Bum;Lee Hyung-Gon;Park Jin-Woo
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • pp.601-602
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    • 2006
  • The primary role of MRP(Material Requirement Planning) is to make a production plan so that we have an exact quantity of right materials on needed time at right place. But the ignorance on capacity constraints makes some problems whenever production schedule is established. To increase the performance of MRP system, a novel approach which is based on new input data structure is suggested. The new input data structure includes all the information about Material BOM, Routing and resource data so that we can easily examine the usage of resources and generate higher performance production plans.

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An Implementation Enterprise BOM for Marine Vessel of Pipe Equipment (선박 배관 설계를 위한 Enterprise BOM의 설계와 구현)

  • Kim, Seung-Hyun;Lee, Jang-Hyun;Kim, Kwang-Sik;Jeon, Jung-Ik
    • Korean Journal of Computational Design and Engineering
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    • v.16 no.1
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    • pp.41-51
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    • 2011
  • Both enterprise information systems and CAD utilizes the BOM (Bill of Material) as the means of collaborative integration during the product design and production since the BOM has been commonly used for design, production planning, procurement, and production works. Therefore, BOM can be the referential data when it expresses not only the part lists but also product information required by product development process. Outfitting design is one of major design works in marine vessel design since marine vessels have various outfitting systems and huge number of parts. Also, the outfitting BOM has the evolutional forms that change from the initial design to the production design. In order to express the product information and part list in the enterprise BOM and the evolutional BOMs in each lifecycle, enterprise BOM of outfitting that consists of structure BOM and display BOM is suggested. Thereafter, we have developed the prototype of enterprise BOM in which some features of the outfitting BOM are implemented.

Development of Green-BOM to Manage Eco-friendly Information on Products and Manufacturing Processes (제품 및 제조공정의 친환경 정보관리를 위한 Green-BOM 개발)

  • Park, Yongju;Shin, Moonsoo;Ryu, Kwangyeol
    • Korean Journal of Computational Design and Engineering
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    • v.17 no.6
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    • pp.387-397
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    • 2012
  • The world has faced with various environmental problems such as climatic change, global pollution, and depletion of natural resources. Conventional economic development continues not only to intensify the magnitude of the problems but also to damage growth potential of future generations. Therefore, recent manufacturers are highly required to accommodate themselves to sustainable development that aims at preventing the loss to the future generations. Moreover, the manufacturers are under heavy pressure from various environmental regulations. This paper proposes green bill of material (Green-BOM) which conforms to the environmental regulations to restructure eco-friendly manufacturing system. Green-BOM is useful for managing green product and process information to satisfy several environmental regulations by recording energy consumption, recycle rate, volatile organic compounds (VOCs), substance information, and so on.

Implementation of Unique ID Considering the Evolutional BOMs in Ship Outfitting Design (선박 의장 BOM의 진화를 반영하기 위한 고유 식별자 구현)

  • Kim, Seung-Hyun;Lee, Jang-Hyun;Suh, Heung-Won;Jeon, Jung-Ik;Kim, Kwang-Sik
    • Korean Journal of Computational Design and Engineering
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    • v.15 no.6
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    • pp.449-459
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    • 2010
  • Recently, not only marine PLM (Product Lifecycle Management) system but also an effective outfitting BOM (Bill of Material) management has been attracted by many shipyards. In particular, efficient outfitting design is being one of major issues in shipyards since most of currently designed marine vessels have more complex outfitting system than ever. Furthermore, each outfitting system has huge number of parts that should be arranged based upon the procurement and installation plan. Outfitting BOMs evolve into different forms according to the product development phases during basic design; detail design; and production design. Therefore, it is very difficult to maintain a consistent BOM data during the design phases. In order to express the evolution of product structures and the information of outfitting along the ship design, we suggested UID (Unique ID) code system. The UID (Unique ID) is used in order to create the relationship within evolutional BOMs of each design stage. It utilizes as the procedure of weight calculation for procurement BOM during each design stage. Thereafter, in order to demonstrate suggested outfitting BOM management technique, we suggested a prototype. In the prototype system, suggested features of outfitting BOM are implemented.

A Study on the Improvement of Efficiency for Quality Assurance Based on Quality-Bill of Material (Q-BOM(Quality-BOM) 기반의 품질보증 효율화 방안 연구)

  • Lee, Chang Hee;Yang, Kyung Woo;Park, Doo Il;Kim, S.
    • Journal of the Korean Society for Quality Management
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    • v.41 no.3
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    • pp.457-463
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    • 2013
  • Purpose: For effective quality assurance activities, BOM-based quality assurance method is presented. This study introduces various BOM conversions such as Q-BOM, T-BOM, and S-BOM based on M-BOM structure. Methods: Product quality control via Q-BOM manages inspection/audit information, overall supply-chain of product, part requirements, and inventory status. T-BOM manages part traceability, and S-BOM enables statistical control over key process and parts at various hierarchy levels. Results: Quality plan template was developed based on the study results of BOM system including Q-BOM, T-BOM, and S-BOM. Conclusion: Through BOM(Q-BOM, T-BOM, and S-BOM) study and development of quality plan template, more systematic and comprehensive quality management plan is achieved.

Design of Collaborative BOM Management System for Small and Medium Enterprises (중소 제조기업을 위한 협업환경지원 BOM 관리 시스템 설계)

  • Kim, Bo-Hyun;Jung, So-Young;Baek, Jae-Yong;Lee, Sung-Jin;Lee, Seok-Woo;Choi, Hun-Zong
    • Korean Journal of Computational Design and Engineering
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    • v.14 no.4
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    • pp.254-260
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    • 2009
  • Most commercial PDM (product data management) systems, which have been released recently by overseas famous software vendors, are still expensive and heavy to apply to small and medium enterprises (SMEs). Proposed in this paper are an architecture and functions of collaborative BOM (bill-of-material) management system (cBOM-MS) which supports the internal BOM management by BOM Navigator, provides SMEs with constructing the collaborative BOM via Collaborative BOM Portal, and proposes an interface to extract BOM automatically from commercial CAD systems. In the design of cBOM-MS, BOM Navigator and cBOM Portal are positioned separately to reinforce the information security about product data during product development process.