JP2014065068A - 液圧マスタシリンダの製造方法及び液圧マスタシリンダ - Google Patents
液圧マスタシリンダの製造方法及び液圧マスタシリンダ Download PDFInfo
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Abstract
【解決手段】シリンダ孔2cを備えたシリンダ本体2と、貯液室3aを備えたリザーバ3とを一体に備えた液圧マスタシリンダ1を、シリンダ孔形成中子と貯液室形成中子とを使用してダイカスト鋳造にて製造する。シリンダ孔形成中子と貯液室形成中子の中間位置に湯口P1を設け、該湯口P1から溶湯金属を成形型内に注入して液圧マスタシリンダ1を鋳造する。
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Claims (3)
- シリンダ孔を備えたシリンダ本体と、貯液室を備えたリザーバとを一体に形成した液圧マスタシリンダを、シリンダ孔形成中子と貯液室形成中子とを用いた成形型を使用してダイカスト鋳造にて形成する液圧マスタシリンダの製造方法において、前記シリンダ孔形成中子と前記貯液室形成中子の中間位置に湯口を設け、該湯口から溶湯金属を成形型内に注入して鋳造することを特徴とする液圧マスタシリンダの製造方法。
- 前記湯口の貯液室上部側端面と、前記貯液室の底面とが同一平面上に形成されていることを特徴とする請求項1記載の液圧マスタシリンダの製造方法。
- 請求項1又は2に記載の液圧マスタシリンダの製造方法にて鋳造した鋳造体に、仕上げ加工を行って形成したことを特徴とする液圧マスタシリンダ。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05177326A (ja) * | 1991-12-27 | 1993-07-20 | Atsugi Unisia Corp | 中空部を備えた製品の射出成形方法 |
JP2001219259A (ja) * | 2000-12-28 | 2001-08-14 | Atsuta Kigyo Kk | ダイカスト鋳造用金型装置 |
JP2003225735A (ja) * | 2002-02-01 | 2003-08-12 | Toyota Industries Corp | 斜板式圧縮機用ピストンの製造方法 |
JP2009061841A (ja) * | 2007-09-05 | 2009-03-26 | Nissin Kogyo Co Ltd | リザーバタンク及びその製造方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05177326A (ja) * | 1991-12-27 | 1993-07-20 | Atsugi Unisia Corp | 中空部を備えた製品の射出成形方法 |
JP2001219259A (ja) * | 2000-12-28 | 2001-08-14 | Atsuta Kigyo Kk | ダイカスト鋳造用金型装置 |
JP2003225735A (ja) * | 2002-02-01 | 2003-08-12 | Toyota Industries Corp | 斜板式圧縮機用ピストンの製造方法 |
JP2009061841A (ja) * | 2007-09-05 | 2009-03-26 | Nissin Kogyo Co Ltd | リザーバタンク及びその製造方法 |
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