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Study on Optimal Design of snap-fit Considering Assembly/Disassembly

Research Project

Project/Area Number 13650144
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 設計工学・機械要素・トライボロジー
Research InstitutionSaitama University

Principal Investigator

WATANUKI Keiichi  Saitama University, Department of Mechanical Engineering, Associate Professor, 工学部, 助教授 (30212327)

Project Period (FY) 2001 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 2002: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 2001: ¥900,000 (Direct Cost: ¥900,000)
KeywordsSnap-fit / Assembly / Disassembly / Design for recycling / Strength design / Finite element method / Machine element / Optimum design / Systemization of design / 残留応力
Research Abstract

In this research, optimum design of snap-fit is studied by which assembly/disassembly abilities are considered. The results of study are listed as below.
(1) Systemization of snap-fit design method
Based on the results obtained from researches done in year 2001 and 2002 and other domestic/foreign research results, snap-fit design method is systemized. Correspondence to the systemization, snap-fit is organized by its definition, material, shape, categories (locator, lock), shape design know-how (base beam thickness, beam length, insert plane angle, connection plane depth, connection plane angle, beam tip thickness, beam width, base fillet), shape design and so on.
(2) Design of optimum snap-fit configuration
In order to find the optimum snap-fit configuration by which assembly/disassembly abilities are considered, theoretical analysis and FEM analysis have been performed. A snap-fit performance testing machine is developed to measure the forces required during assembly and disassembly, where by connectivity is evaluated from the results. From the results, it is observed that snap-fit with empty slot and angular (non right angle) connection plane possess good assembly/disassembly abilities, thus they are considered as optimum designs in this study.

Report

(3 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] 綿貫啓一, 加藤大紀: "組立/分解性を考慮したカンチレバーフック型スナップフィットの最適形状"日本機械学会関東支部ブロック合同講演会2001鳩山講演論文集. No.010-2. 123-124 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 綿貫啓一, 藤田 寛: "梁部に空かを有するスナップフィットの最適形状"日本機械学会第12回設計工学・システム部門講演会講演論文集. No.02-31. 432-435 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 綿貫啓一, 深林茂: "組立/分解性および締結性能を考慮したカンチレバーフック形スナップフィット形状の最適化"日本機械学会関東支部第10期通常総会講演会講演論文集. No.040-1. 527-528 (2004)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 綿貫啓一 他: "機械工学便覧β4 機械要素・トライボロシー 2・8 スナップフィット"日本機械学会(未定). (2004)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Keiichi Watanuki, Daiki Kato: "Optimal Configuration of Cantilever Type Snap-fit Considering Assembly/Disassembly"Procs. of JSME Kanto Branch. 010-2. 123-124 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Keiichi Watanuki, Hiroshi Fujita: "Optimal Configuration of Snap-Fit with Hole in a Beam"Procs. of JSME D&S 2002. 02-31. 423-435 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Keiichi Watanuki, Shigeru Fukabayashi: "Optimal Configuration of Cantilever Type Snap-Fit Considering Assemblability/Disassemblability and Fastener Performance"Procs. of JSME Kanto Branch. 040-1. 527-528 (2004)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 綿貫啓一, 藤田 寛: "組立/分解性を考慮したカンチレバーフック型スナップフィットの最適形状"日本機械学会第12回設計工学・システム部門講演会講演論文集. No.02-31. 432-435 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] 綿貫啓一他: "機械工学便覧β4機械要素・トライボロジー2・8スナップフィット"日本機械学会(未定). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] 綿貫啓一, 加藤大紀: "組立/分解性を考慮したカンチレバーフック型スナップフィットの最適形状"日本機械学会関東支部ブロック合同講演会2001鳩山講演論文集. No.010-2. 123-124 (2001)

    • Related Report
      2001 Annual Research Report

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Published: 2001-04-01   Modified: 2016-04-21  

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