• 제목/요약/키워드: Standard Process Plan

검색결과 284건 처리시간 0.027초

자동차 차체금형 가공용 공정계획 시스템 (A Process Planning System for Machining of Dies for Auto-Body Production)

  • 신동목;이창호;이기우
    • 한국정밀공학회지
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    • 제17권5호
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    • pp.108-115
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    • 2000
  • This paper presents a variant type process planning system for machining of dies for auto-body production. Through the analysis of dies and their manufacturing processes, the authors categorized the press dies into 15 groups according to the similarity of machining features. After critically reviewing current manufacturing procedures, a standard process plan was defined for each group. The authors present MP3D the process planning system built on the standard process plan database, and show how they apply it at the die manufacturing plant of an automobile company. MP3D is expected to reduce major losses in machining such as reworking caused by mistakenly uncut features and eventually to help to accumulate the knowledge of operators. The operation sheet MP3D produces is also used in monitoring the progress of manufacturing of dies. This paper explains the whole development cycle of a process planning system from process analysis to application so that it can help readers to develop and apply a process planning system to their machine shops.

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A Process Planning System for Machining of Dies for Auto-Body Production-Operation Planning and NC Code Post-Processing

  • Dongmok Sheen;Lee, Chang-Ho;Noh, Sang-Do;Lee, Kiwoo
    • International Journal of Precision Engineering and Manufacturing
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    • 제2권3호
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    • pp.69-78
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    • 2001
  • This paper presents a process and operation planning system and an NC code post-processor for effective machining of press dies for production of cars. Based on the machining feature, major parts of press dies are categorized into 15 groups and a standard process plan is defined for each group. The standard process plan consists of a series of processes where a process is defined as a group of operations that can be done with one setup. Details such as cutting tools, cutting conditions, and tool paths are decided at the operation planning stage. At the final stage of process and operation planning, the NC code post-processor adjusts feedrates along the tool path to reduce machining time while maintaining the quality. The adjustment rule is selected based on the machining load estimated by virtual machining.

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인필식 모듈러 공법을 적용한 주택건설공사의 작업분류체계 구축 및 표준 프로세스 제안 (Standard Process and Work Breakdown Structure for Housing Construction Projects using Infill Modular System)

  • 손정락;이동건;방종대;김진원
    • 토지주택연구
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    • 제10권3호
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    • pp.77-87
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    • 2019
  • In Korea, the modular construction method was applied to the construction of facilities such as military barracks and school dormitories, beginning with the pilot project of Seoul New Elementary School in 2003. In 2017, public modular houses were supplied to Busan(Yongho-dong) and Seoul(Gayang-dong), and modular housing is expected to continue to be supplied in the future. However, there is no clear construction standard for the modular housing construction yet, and there are few cases where the infill modular system is applied. Therefore, this study established the work breakdown structure and proposed a standard process focusing on the infill modular system applied to the construction of Dujeong-dong modular house in Cheonan. Level 1 of the work breakdown structure by construction stage of Infill modular was defined as modular manufacturing, assembly, and finishing process. Level 2 was defined as preparation, modular production, modular infill, modular fixing, floor plastering, building finishing, and other site finishing. Level 3 is defined as 57 detailed unit work of infill modular construction. The standard process of infill modular is proposed for the assembly stage that is commonly applicable to infill modular housing construction. The results of this study can be used for the process plan, transportation plan, lifting plan of modular housing construction.

일본 공공주택의 근대화에 관한 연구 - 1950년대의 DK형 표준설계를 중심으로 - (A Study on the Modernization in Japanese Public Dwelling - Focused on DK type Standard Plan during 1950s -)

  • 김진모
    • 한국실내디자인학회논문집
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    • 제15권3호
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    • pp.33-39
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    • 2006
  • This paper describes Modernization of the public dwelling focused on DK type standard plan during 1950's. in Japan. Shortage of the dwelling stated after World War II, inferior housing environment, required the re-reflection of a dwelling and a life system succeeded to traditionally As a result, it was going to solve a principle application of a new life style for a demand of a development process of the modernization through DK type standard plan. Although it was thought that the modernization process of the public dwelling Japan had aimed at Westernization, it turned out that modernization was developed according to the peculiar housing culture system of Japan. As for it, in the planning stage of DK plan, although known with the public and private space for which the Western-like element was generally accommodated by modernization processes, such as closing-izing of space, and specialization of a function, generally, succession of a traditional element and a modernistic change of that are seen. Moreover, it can be said that Westernization was transcended and peculiar localization of Japan was fixed.

자동차 차체금형 가공용 공정계획 시스템(II)-작업 계획과 NC 코드 후처리 (A Process Planning System for Machining of Dies for Auto-Body Production(II)-Operation Planning and NC Code Post-Processing)

  • 신동목;이창호;최재진;노상도;이기우
    • 한국정밀공학회지
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    • 제18권1호
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    • pp.63-73
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    • 2001
  • This paper presents a process and operation planning system with an NC code post-processor for effective machining of press dies for production of cars. Based on the machining features, major parts of press dies are categorized into 15 groups and a standard process plan is defined for each group. The standard process plan consists of a series of processes where a process is defined as a group of operations that can be done with one setup. Details such as cutting tools, cutting conditions, and tool paths are decided at the operation planning stage. At the final stage of process and operation planning, the NC code post-processor we developed adjusts feedrates along the tool path to reduce machining time. The adjustment rule is selected based on the metal removal rate estimated by virtually machining with virtual cutting tool.

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전동기 제조업의 지식기반 공정계획 지원시스템에 관한 연구 (Knowledge-based Decision Support System for Process Planning in the Electric Motor Manufacturing)

  • 송정수;김재균;이재만
    • 산업공학
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    • 제11권2호
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    • pp.159-176
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    • 1998
  • In the motor manufacturing system with the properties of short delivery and order based production, the process plan is performed individually for each order by the expert of process plan after the completion of the detail design process to satisfy the specification to be required by customer. Also it is hard to establish the standard process plan in reality because part routings and operation times are varied for each order. Hence, the production planner has the problem that is hard to establish the production schedule releasing the job to the factory because there occurs the big difference between the real time to be completed the process plan and the time to be required by the production planner. In this paper, we study the decision supporting system for the process plan based on knowledge base concept. First, we represent the knowledge of process planner as a database model through the modified POI-Feature graph. Then we design and implement the decision supporting system imbedded in the heuristic algorithm in the client/server environment using the ORACLE relational database management system.

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업무공간의 조명 환경 실태 조사 연구 (A Study on the Status of Illumination Environment in Workplaces)

  • 최한희;하미경
    • 한국실내디자인학회논문집
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    • 제13권6호
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    • pp.167-174
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    • 2004
  • The purpose of this study is to examinethe present illumination conditions in office environment and to suggest an efficient illumination plan in office planning process. Illumination conditions in work environment were surveyed in 6 offices to investigate whether the present illumination conditions were appropriate to the work type. The results of this study are as follows: Most of the general Illuminance level in the area of work were all at an adequate level, except one. The average Illuminance level in the all meeting rooms were met for the standard. Illuminance in the all reception area were extremely over the standard, The illuminations of this area were rather designed according to the image of the company than the standard. As for the illumination method in the area of general work, four offices used a general lighting by a direct lighting type, while two offices used a general lighting and a task lighting at the same time. This survey suggested that first, each company should consider illumination plan in the building planning process, second, illumination plan considering the type of places is needed, and third, illumination environment may be differentiated according to the work type. In conclusion, efficient illumination environment should be considered in office building planning process, especially In terms of illumination materials and methods.

Life cycle Health Promotion Programs using Traditional Korean Medicine (HaPPs-TKM) and Activation Plan

  • Jo, Jae Kyung;Park, Sunju
    • 대한예방한의학회지
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    • 제24권3호
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    • pp.57-67
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    • 2020
  • Background : The Life cycle Health Promotion Programs using Traditional Korean Medicine (the Life cycle HaPPs-TKM) are the on-going 3rd stage projects that have centered on the development and dissemination of the standard life cycle HaPPs-TKM in the local community. The purpose of the study was to introduce the development background of the standard life cycle HaPPs-TKM and to suggest its activation plan. Methods : Academic and government research reports on the life cycle HaPPs-TKM were analyzed to introduce the development process, development backgrounds and the details of KM-HPP for each life cycle, such as infants and toddlers, adolescents, pregnant women, adults and the elderly. Results : We reviewed the development process of the standard life cycle HaPP-TKM consisted of a series of diagnosis on community members' health problems, establishment of project purpose, research on the involvement of KM intervention in a project, and final development of the project model. And we rediscovered that in the development backgrounds of KM-HPP, there were beneficial goals to manage and promote public health conditions for each life cycle. Conclusion : To activate life cycle HaPPs-TKM, we would recommend that activation plan should include six factors through systematic analysis of research reports. These factors consist of diversified goals for each life-cycle, competency reinforcement of local project manager, diversified Korean Medicinal modalities to enhance Sasang Constitution and Qigong, development of standard Outcome Index, periodical holding of performance contest, and improved guidance of government and associated entities through whole process of HaPP-TKM.

농어촌주택 표준설계도 이용현황에 관한 연구 (A Study on the Use of the Rural Housing Standard Plans)

  • 이을규;장택주;주우일
    • 한국농촌건축학회논문집
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    • 제13권4호
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    • pp.17-24
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    • 2011
  • This research is according to the a future-oriented strategy, low-carbon green growth, and it is a basic research for dissemination of rural housing standard plan. Through the survey of plans use, we look at ways to rural housing standard plan use and then needed to establish measures for this. Looking at the type of used plans, we can find several points. One of them, 19 kinds of rural housing standard plans were used among the 61 total cases. Almost all change the plan, the reasons is different for the condition of the land, such as site conditions, family members, personal preferences, house color or material. A few cases have been constructed as rural housing standard plans, but rural housing standard plans are important data for the rural resident to determine plans, and it has an important role in the rural housing design process. Common features of the many rural houses is concrete structure, two stories, and construction period is two to three months. Land area is $300m^2$ to $600m^2$, building area is $71m^2-110m^2$. Heating system is an oil boiler.

글로벌 건설 환경에 적합한 건설사업관리계획서(PMP)에 관한 연구 (A study on the Project Management Plan (PMP) Development Appropriate for Global Construction Environment)

  • 양명덕;김창권;양재웅
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2015년도 춘계 학술논문 발표대회
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    • pp.107-108
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    • 2015
  • It's became essential that Korea construction companies should enter into the overseas construction market for their growth and sustainability. In order to comply with the client's required global standard and to compete with in the international market, the shifting the construction project management system to global level is required. In accordance with the demand, this paper proposes the top-level document of construction project management system as a to-be model that utilized in overseas construction projects. The project management plan ("PMP") suggested in this paper is not only the most appropriate one, which complies with the global standard, to be used when companies bid for international construction projects against foreign competitors but also has the process modeling and hierarchical structure.

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