JP5104208B2 - 耐摩耗補強方法及び摺動構造体 - Google Patents
耐摩耗補強方法及び摺動構造体 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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Description
なお、本出願人は、航空機用のアクチュエータの耐摩耗性に関する先行技術文献について調査したが、適切なものを発見できなかったので、航空機用のアクチュエータとは異なる機械部品の耐摩耗性に関する先行技術文献として、下記特許文献1〜3を提示する。
また、耐摩耗補強方法に係る第2の解決手段として、上記第1の手段において、シール部材がフッ素樹脂、他方の部品がアルミニウムから形成され、他方の部品の表面に下地めっき膜としての無電解Ni−P−B(ニッケル−リン−ボロン)めっき膜を形成し、この下地めっき膜上に耐摩耗性金属めっき膜としてのRh(ロジウム)めっき膜を形成する、という手段を採用する。
また、耐摩耗補強方法に係る第3の解決手段として、上記第1または第2の手段において、摺動構造体は、他方の部品が中空状のハウジング、一方の部品が前記ハウジング内を摺動自在に可動すると共にピストンロッドが連接されたピストンであり、該ピストンによって仕切られたハウジング内の2箇所の空隙に注入される作動油の圧力差によってピストンが可動するアクチュエータである、という手段を採用する。
一方、本発明では、摺動構造体に係る第1の解決手段として、摺動関係にある少なくとも一対の部品からなり、一方の部品の摺動面にはシール部材が設けられている摺動構造体であって、他方の部品の摺動面にシール部材の材料と一定の反応性を有する金属からなる耐摩耗性金属めっき膜が設けられる、という手段を採用する。
また、摺動構造体に係る第2の解決手段として、上記第1の手段において、シール部材がフッ素樹脂、他方の部品がアルミニウムから形成され、他方の部品の表面に下地めっき膜としての無電解Ni−P−B(ニッケル−リン−ボロン)めっき膜を形成し、この下地めっき膜上に耐摩耗性金属めっき膜としてのRh(ロジウム)めっき膜を形成する、という手段を採用する。
また、摺動構造体に係る第3の解決手段として、上記第1または第2の手段において、他方の部品が中空状のハウジング、一方の部品が前記ハウジング内を摺動自在に可動すると共にピストンロッドが連接されたピストンであり、該ピストンによって仕切られたハウジング内の2箇所の空隙に注入される作動油の圧力差によってピストンが可動する、という手段を採用する。
図1は、本実施形態に係る航空機用アクチュエータA(摺動構造体)の断面図である。この航空機用アクチュエータAは、中空円筒状のハウジング1(部品)内に円盤状のピストン2(部品)が棒状のピストンロッド3(駆動軸)と連接された状態で収納されたものであり、ピストン2によって仕切られたハウジング1内の2箇所の空隙K1,K2に外部から注入される作動油の圧力差によってピストン2及びピストンロッド3が紙面左右方向に可動する。ハウジング1はアルミ合金から形成されており、一方、ピストン2及びピストンロッド3は、ステンレスから形成された一体部品である。
このように構成された本航空機用アクチュエータAは、航空機燃料(燃料油)を作動油として用いるものである。
なお、ジンケート処理膜1dは、母材1c表面の酸化膜等を除去するためのジンケート処理によって形成されたものであり、めっき処理の技術分野において周知のものである。
本実施形態では、シール部材2b(フッ素樹脂)がハウジング1の摺動面S2と摺動すると、Rh(ロジウム)がフッ素(F)に対して一定の反応性を有することによりRhめっき膜1fの表面にフッ化物(剥離し難い移着膜)を形成し、シール部材2bに対する耐摩耗性を発揮する。
図3は試験片の外形図、また図4は試験装置の構成図である。試験片は、アルミ合金板の片面に上記Rhめっき膜1fと同等な積層膜Fが設けられたライナ板L1(上記ハウジング1と同等のもの)と、ステンレスブロックの片面に上記シール部材2bと同等なシール部材Nが設けられたシールブロック片L2からなり、図示する寸法を有する。
(1)上記実施形態では、航空機用アクチュエータAに本願発明を適用したものであるが、本願発明は航空機用アクチュエータA以外の各種摺動構造体に適用可能である。
(2)上記実施形態では、補強金属膜として無電解Ni−P−Bめっき膜1eを採用し、また耐摩耗性金属めっき膜としてRhめっき膜1fを採用したが、本発明は、これに限定されるものではない。補強金属膜については、簿材を補強できるだけの強度を有し、かつ、母材及び耐摩耗性金属めっき膜と高密着性を有するものであれば、Ni−P−Bめっき以外の膜や表面処理であっても良い。耐摩耗性金属めっき膜については、シール部材2bと一定の反応性を有する金属からなるものであれば、Rh(ロジウム)以外の金属であっても良い。
Claims (4)
- 摺動関係にある少なくとも一対の部品からなり、一方の部品の摺動面にはシール部材が設けられている摺動構造体の耐摩耗補強方法であって、
前記シール部材の材料と一定の反応性を有する金属からなる耐摩耗性金属めっき膜を他方の部品の摺動面に設け、
前記シール部材がフッ素樹脂、前記他方の部品がアルミニウムから形成され、前記他方の部品の表面に下地めっき膜としての無電解Ni−P−B(ニッケル−リン−ボロン)めっき膜を形成し、この下地めっき膜上に前記耐摩耗性金属めっき膜としてのRh(ロジウム)めっき膜を形成することを特徴とする耐摩耗補強方法。 - 摺動構造体は、他方の部品が中空状のハウジング、一方の部品が前記ハウジング内を摺動自在に可動すると共にピストンロッドが連接されたピストンであり、該ピストンによって仕切られたハウジング内の2箇所の空隙に注入される作動油の圧力差によってピストンが可動するアクチュエータであることを特徴とする請求項1記載の耐摩耗補強方法。
- 摺動関係にある少なくとも一対の部品からなり、一方の部品の摺動面にはシール部材が設けられている摺動構造体であって、
他方の部品の摺動面に前記シール部材の材料と一定の反応性を有する金属からなる耐摩耗性金属めっき膜が設けられ、
前記シール部材がフッ素樹脂、前記他方の部品がアルミニウムから形成され、前記他方の部品の表面に下地めっき膜としての無電解Ni−P−B(ニッケル−リン−ボロン)めっき膜を形成し、この下地めっき膜上に前記耐摩耗性金属めっき膜としてのRh(ロジウム)めっき膜を形成することを特徴とする摺動構造体。 - 他方の部品が中空状のハウジング、一方の部品が前記ハウジング内を摺動自在に可動すると共にピストンロッドが連接されたピストンであり、該ピストンによって仕切られたハウジング内の2箇所の空隙に注入される作動油の圧力差によってピストンが可動することを特徴とする請求項3記載の摺動構造体。
Priority Applications (7)
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JP2007276396A JP5104208B2 (ja) | 2007-10-24 | 2007-10-24 | 耐摩耗補強方法及び摺動構造体 |
US12/738,927 US20100206163A1 (en) | 2007-10-24 | 2008-10-22 | Wear resistance reinforcing method and sliding structure |
EP08841191A EP2211061A4 (en) | 2007-10-24 | 2008-10-22 | ABRASION STRENGTH ENGINEERING AND SHIFT STRUCTURE |
PCT/JP2008/069123 WO2009054402A1 (ja) | 2007-10-24 | 2008-10-22 | 耐摩耗補強方法及び摺動構造体 |
CA2703241A CA2703241A1 (en) | 2007-10-24 | 2008-10-22 | Wear resistance reinforcing method and sliding structure |
CN200880113470A CN101835991A (zh) | 2007-10-24 | 2008-10-22 | 耐磨损增强方法以及滑动构造体 |
RU2010119236/06A RU2435091C1 (ru) | 2007-10-24 | 2008-10-22 | Способ износоустойчивого упрочнения и конструкция скольжения |
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JP2014052119A (ja) * | 2012-09-06 | 2014-03-20 | Chiyoda Corp | 空冷式熱交換装置 |
US9551294B2 (en) * | 2013-02-04 | 2017-01-24 | United Technologies Corporation | Sliding nozzle flap assembly |
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US3247080A (en) * | 1962-05-31 | 1966-04-19 | Sperry Rand Corp | Method of making wear-resistant surfaces |
JPH01210662A (ja) * | 1988-02-19 | 1989-08-24 | Fuarukon:Kk | 空圧・油圧シリンダ |
JPH0351576A (ja) | 1989-07-20 | 1991-03-05 | Mitsubishi Heavy Ind Ltd | 耐摩耗性油圧装置 |
US5927865A (en) * | 1996-08-28 | 1999-07-27 | Nsk Ltd. | Rolling apparatus |
JPH11125248A (ja) * | 1996-08-28 | 1999-05-11 | Nippon Seiko Kk | 転動装置 |
WO1998031849A1 (fr) * | 1997-01-20 | 1998-07-23 | Taiho Kogyo Co., Ltd. | Organe a glissement, procede de traitement de la surface de l'organe a glissement et palette de compresseur rotatif |
US6280597B1 (en) * | 1997-09-12 | 2001-08-28 | Showa Denko K.K. | Fluorinated metal having a fluorinated layer and process for its production |
JP3094000B2 (ja) * | 1997-09-12 | 2000-10-03 | 昭和電工株式会社 | フッ化表面層を有する金属材料もしくは金属皮膜ならびにフッ化方法 |
JP2001295093A (ja) * | 2000-04-07 | 2001-10-26 | Mitsubishi Heavy Ind Ltd | 耐食耐摩耗部材およびその製造方法、ならびにポンプ装置 |
JP2001289330A (ja) | 2000-04-10 | 2001-10-19 | Komatsu Ltd | 建設・土木機械のシール部の摺接構造 |
JP4681161B2 (ja) * | 2000-07-14 | 2011-05-11 | 大阪瓦斯株式会社 | メッキ皮膜及びそれを用いたメッキ被覆物 |
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JP2004239372A (ja) * | 2003-02-06 | 2004-08-26 | Ckd Corp | 摺動部材及び摺動部材を備えたエアシリンダ |
JP2005213564A (ja) * | 2004-01-29 | 2005-08-11 | Hitachi Ltd | シリンダ装置用ロッド、該ロッドを用いたシリンダ装置、該ロッドの製造方法及びめっき処理装置 |
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CA2703241A1 (en) | 2009-04-30 |
RU2435091C1 (ru) | 2011-11-27 |
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WO2009054402A1 (ja) | 2009-04-30 |
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US20100206163A1 (en) | 2010-08-19 |
EP2211061A4 (en) | 2012-05-30 |
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