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Laser-assisted incremental sheet metal forming process of pure titanium dental prosthetic components with complicated shape

Research Project

Project/Area Number 18360069
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Production engineering/Processing studies
Research InstitutionShizuoka University

Principal Investigator

TANAKA Shigekazu  Shizuoka University, 工学部, 准教授 (60197423)

Co-Investigator(Kenkyū-buntansha) NAKAMURA Tamotsu  静岡大学, 工学部, 教授 (70023322)
HAYAKAWA Kunio  静岡大学, 工学部, 准教授 (80283399)
NAKAMURA Hideo  東京医科歯科大学, 大学院・医歯学総合研究科, 助教 (60172425)
MOTOMURA Kazuo  東京医科歯科大学, 大学院・医歯学総合研究科, 助教 (60272598)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥16,270,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2008: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2007: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2006: ¥8,600,000 (Direct Cost: ¥8,600,000)
Keywords板プレス成形 / インクリメンタルフォーミング / 歯科補綴 / 義歯床 / 金属床 / チタン / フレキシブル加工 / レーザフォーミング / 塑性加工 / 板成形 / チタン床 / レーザ成形
Research Abstract

本研究では, インクリメンタルフォーミング技術に基づいて歯科技工のデジタル化と高精度化を検討した.本法では上顎総義歯用の純チタン床を主な対象物として, 患部模型のレーザ非接触形状スキャンにより得たデジタルデータに基づいてCNC 成形する.純チタン成形の潤滑に対して陽極酸化被膜処理を提案しその有効性を示した.続いて, 成形品がトリミング後に負のスプリングバックを示すメカニズムを三次元弾塑性有限要素解析により明らかにした.最後に, レーザで成形部を局所加熱する新プロセスを提案して加工荷重の低減効果などを明らかにした.

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (15 results)

All 2008 2007 2006 Other

All Journal Article (6 results) (of which Peer Reviewed: 5 results) Presentation (8 results) Remarks (1 results)

  • [Journal Article] EXPERIMENTAL AND NUMERICAL INVESTIGATION ON NEGATIVE SPRINGBACK IN INCREMENTAL SHEET METAL FORMING2008

    • Author(s)
      Shigekzu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazuo Motomura
    • Journal Title

      steel research international Vol.79-1

      Pages: 55-62

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] EXPERIMENTAL AND NUMERICAL INVESTIGATION ON NEGATIVESPRINGBACK IN INCREMENTAL SHEET METAL FORMING2008

    • Author(s)
      Shigekzu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazuo Motomura
    • Journal Title

      Metal Forming Conference 2008, steel research international, Special Edition 79

      Pages: 195-202

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Residual stress in SHEET METAL parts made by incremental forming process2008

    • Author(s)
      Shigekazu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazoo Motomura
    • Journal Title

      Materials Processing and Design:Modeling, Simulationand Applications NUMIFORM 2007 Subseries:Materials Physics and Applications Vol.908

      Pages: 775-780

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] EXPER-MENTAL AND NUMERICAL INVESTIGArION ON SPR-NG FORWARD IN-NCREMENTAL SHEET METAL FORMING2008

    • Author(s)
      Shigekazu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazoo Motomura
    • Journal Title

      Steel Research lnternational (印刷中)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Residual stress in SHEET METAL parts made by incremental forming process, NUMERICAL METHODS IN INDUSTRIAL FORMING PROCESSES2007

    • Author(s)
      Shigekzu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazuo Motomura
    • Journal Title

      Subseries : Materials Physics and Applications Vol.908

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Residual stress in SHEET METAL parts made by incremental forming process2007

    • Author(s)
      Shigekzu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazuo Motomura
    • Journal Title

      NUMERICAL METHODS IN INDUSTRIAL FORMING PROCESSES (未定)

    • Related Report
      2006 Annual Research Report
  • [Presentation] チタン製義歯床のレーザ・アシスト・インクリメンタル成形(加工力の低減)2008

    • Author(s)
      田中繁一, 中村保, 早川邦夫, 中村英雄, 本村一朗
    • Organizer
      第59回塑性加工連合講演会
    • Place of Presentation
      広島
    • Year and Date
      2008-11-17
    • Related Report
      2008 Final Research Report
  • [Presentation] ラインレーザを用いたレーザフォーミングの有限要素解析2008

    • Author(s)
      三田明宏, 田中繁一, 山谷泰司, 森野浅実, 小俣均
    • Organizer
      第59回塑性加工連合講演会
    • Place of Presentation
      広島
    • Year and Date
      2008-11-09
    • Related Report
      2008 Final Research Report
  • [Presentation] チタン製義歯床のレーザ・アシスト・インクリメンタル成形(加工力の低減)2008

    • Author(s)
      田中繁一, 中村保, 早川邦夫, 中村英雄, 本村一朗
    • Organizer
      (社)日本塑性加工学会
    • Place of Presentation
      広島大学
    • Year and Date
      2008-11-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] Experimental and numerical investigation oh negative spring back in incremental forming2008

    • Author(s)
      Shigekzu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazuo Motomura
    • Organizer
      12th International Conference Metal Forming 2008
    • Place of Presentation
      Krakow
    • Year and Date
      2008-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Experimental and nuierical inves tigation oh negative Spring back in incremental forming2008

    • Author(s)
      Shigekzu Tanaka
    • Organizer
      12^<th> International Conference Metal Forming 2008
    • Place of Presentation
      Krakow, Poland
    • Year and Date
      2008-09-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] レーザ援用インクリメンタル成形に関する研究(成形シェル部品のレーザ矯正)2007

    • Author(s)
      田中繁一, 中村保, 早川邦夫, 中村英雄, 本村一朗
    • Organizer
      第58回塑性加工連合講演会
    • Place of Presentation
      北海道
    • Year and Date
      2007-11-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Residual stress in SHEET METAL parts made by incremental forming process2007

    • Author(s)
      Shigekzu Tanaka, Tamotsu Nakamura, Kunio Hayakawa, Hideo Nakamura, Kazuo Motomura
    • Organizer
      NUMERICAL METHODS IN INDUSTRIAL FORMING PROCESSES
    • Place of Presentation
      Port(Portugal)
    • Year and Date
      2007-06-18
    • Related Report
      2008 Final Research Report
  • [Presentation] 対向する2つの成形工具を用いるインクリメンタル成形プロセス(工具動作が残留応力に及ぼす影響)2006

    • Author(s)
      田中繁一, 中村保, 早川邦夫, 中村英雄, 本村一朗
    • Organizer
      平成18塑性加工学会春季講演会
    • Place of Presentation
      東京
    • Year and Date
      2006-05-20
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://kiso.sys.eng.shizuoka.ac.jp:8000/sanaruko/

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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