JP5621990B2 - 摺動部材 - Google Patents
摺動部材 Download PDFInfo
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- JP5621990B2 JP5621990B2 JP2011281752A JP2011281752A JP5621990B2 JP 5621990 B2 JP5621990 B2 JP 5621990B2 JP 2011281752 A JP2011281752 A JP 2011281752A JP 2011281752 A JP2011281752 A JP 2011281752A JP 5621990 B2 JP5621990 B2 JP 5621990B2
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- Prior art keywords
- swash plate
- sliding
- sliding member
- coating layer
- shoe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/203—Multilayer structures, e.g. sleeves comprising a plastic lining
- F16C33/205—Multilayer structures, e.g. sleeves comprising a plastic lining with two layers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/14—Polyamide-imides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
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- C—CHEMISTRY; METALLURGY
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
- C10M103/02—Carbon; Graphite
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
- C10M103/06—Metal compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/38—Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0878—Pistons
- F04B27/0886—Piston shoes
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- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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- C10M2201/0413—Carbon; Graphite; Carbon black used as base material
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- C10M2201/061—Carbides; Hydrides; Nitrides
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- C10M2201/0623—Oxides; Hydroxides; Carbonates or bicarbonates used as base material
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- C10M2201/065—Sulfides; Selenides; Tellurides
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/0653—Sulfides; Selenides; Tellurides used as base material
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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- C10M2201/066—Molybdenum sulfide
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- C10M2201/066—Molybdenum sulfide
- C10M2201/0663—Molybdenum sulfide used as base material
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- C10M2213/02—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only
- C10M2213/023—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only used as base material
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- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
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- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/044—Polyamides
- C10M2217/0443—Polyamides used as base material
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- C10N2020/01—Physico-chemical properties
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- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
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- F16C33/20—Sliding surface consisting mainly of plastics
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
また、摺動部材としてのスラスト軸受の摺動特性を向上させるために、スラスト軸受の摺動面に規則的な凹凸を形成することも提案されている(例えば特許文献3、特許文献4)。
そこで、このような要求に対応するために、シューと斜板とが摺動する際の摩擦を低減させる対策としてシューの摺動面積を小さくすることが考えられる。しかしながら、例えば上記特許文献1の斜板式コンプレッサにおいてシューの摺動面積を小さくすると、シューと斜板とが接触する箇所の面圧が高くなる。そのため、シューと斜板との間の油膜切れが生じやすくなり、斜板のコーティング層が摩耗しやすいという問題が生じる。
また、上記特許文献2の斜板においてシューの摺動面積を小さくすると次のような問題が生じる。すなわち、図6に示すように、シューを介して環状溝や環状山部に衝撃荷重が加わった場合には、環状溝や環状山部にひび割れが生じて、その部分のコーティング層が剥離することになる。また、シューと摺動することでコーティング層の環状溝や環状山部が潰れると、シューとコーティング層の摺動面積が増加してさらに環状溝や環状山部の摩耗が進行し、やがて環状溝や環状山部が消滅することになる。さらに、環状溝内に摩耗粉等の異物が混入して移動した場合にも環状溝や環状山部が消失することがあった。そのため、上記特許文献2の斜板は、初期なじみ性は良好である半面、シューを介して斜板に作用する面圧が高い状況ではコーティング層が摩耗しやすく、かつ潤滑油の保持性が損なわれやすいという欠点がある。
上記コーティング層を、無数の筒状体を一体に連設したハニカム構造の樹脂コーティングによって構成するとともに、上記各筒状体の開口側の縁部によって上記摺動面を構成するとともに、上記各筒状体の内部空間を潤滑油の貯溜部および異物を収容するための収容部としたものである。
そして、回転軸1の回転に伴って斜板2が回転されると、斜板2の表面2A又は裏面2Bと一対のシュー4の端面4Bとが摺動するとともに、一対のシュー4の半球面4Aとピストン3の凹部3B、3Bとが摺動することにより、各ピストン3は回転軸1の軸方向に沿って往復動されるようになっている。
この樹脂コーティング12は、六角柱の筒状をした無数の筒状体12Aを順次一体となるように連設した構造となっており、各筒状体12Aの開口端となる縁部12Bは全て同一平面上となっている。そして、これら同一平面上となる各筒状体12Aの縁部12Bによって摺動面である表面2Aおよび裏面2Bが形成されている。また、各筒状体12Aの内部空間は、潤滑油を貯溜する貯溜部となっている。そのため、シュー4と斜板2との間に供給された潤滑油は、各筒状体12Aの内部空間に貯溜されるようになっている。また、各筒状体12Aの内部空間は、摩耗粉等の異物15を収容可能な収容部としても機能するようになっている。
本実施例においては、上述したハニカム構造の樹脂コーティング12を基材11の表面及び裏面にスクリーン印刷によって製造するようにしている。なお、ハニカム構造の樹脂コーティング12の製造方法としては、スクリーン印刷以外にパッド印刷、ロール印刷、スプレーコート、ディッピング法などを採用しても良い。
また、上記樹脂コーティング12の材料としては、例えば固体潤滑剤および/または硬質粒子を含む熱硬化性樹脂を用いることができる。この固体潤滑剤としてはMoS2、黒鉛、WS2、h−BN、PTFE等のフッ素系樹脂、CF等から選択される1種以上を、硬質粒子としては酸化物(アルミナ、シリカ)、窒化物(SiN)、炭化物(SiC)、硫化物(ZnS)等から選択される1種以上を、熱硬化性樹脂としてはPAI、PI等から選択される1種以上をそれぞれ用いることができる。また、樹脂コーティング12の厚さとしては、2〜50μm程度が好適であり、単一の筒状体12Aの大きさとしては、筒状体12Aにおける隔壁の厚さを0.25〜0.5mm程度とし、該隔壁の厚さ方向中央部を結んだ多角形の外接円の大きさを0.1〜2mm程度とすることが好適と考えられる。
また、樹脂コーティング12は、無数の六角柱状の筒状体12Aが集合した構造となっており、各筒状体12A内は潤滑油の貯溜部となっている。そのため、斜板2が高速回転された状態であっても筒状体12A内に潤滑油を保持できるので、摺動面となる表面2A、裏面2Bに油切れが発生しにくい。したがって、本実施例によれば、耐摩耗性に優れた斜板2を提供することができる。
さらに、高速回転時にシュー4の端面4Bが斜板2の表面2Aまたは裏面2Bに強く圧縮されて衝撃荷重が斜板2に作用した場合には、その衝撃荷重をハニカム構造からなる樹脂コーティング12によって吸収することができるとともに、樹脂コーティング12が弾性変形することにより筒状体12Aから潤滑油が染み出して潤滑を促進する(図5参照)。そのため、衝撃荷重によって樹脂コーティング12が疲労することを抑制することができ、衝撃荷重によって樹脂コーティング12にクラックが生じることを抑制することができる。本実施例によれば、上述したような摺動特性に優れた斜板2を提供することができる。
さらに筒状体12Aの縁部12Bは、その端部にR形状や面取りを施すことが、樹脂コーティング12の摩耗、欠けや剥離防止の観点から好ましい。
また、上記実施例は、本発明を斜板式コンプレッサの斜板2に適用した場合について説明したが、本発明は摺動部材としてのスラストワッシャ或いはスラスト軸受にも適用できることは勿論である。
2B‥裏面 4‥シュー
11‥基材 12‥樹脂コーティング
12A‥筒状体
Claims (3)
- 基材とその表面に施したコーティング層を備えて、該コーティング層を可動部材と摺動する摺動面とした摺動部材において、
上記コーティング層を、無数の筒状体を一体に連設したハニカム構造の樹脂コーティングによって構成するとともに、上記各筒状体の開口側の縁部によって上記摺動面を構成するとともに、上記各筒状体の内部空間を潤滑油の貯溜部および異物を収容するための収容部としたことを特徴とする摺動部材。 - 上記摺動部材は、斜板式コンプレッサの斜板、又はスラストワッシャ若しくはスラスト軸受であることを特徴とする請求項1に記載の摺動部材。
- 上記樹脂コーティングの材料は、固体潤滑剤および/または硬質粒子を含む熱硬化性樹脂からなり、該固体潤滑剤としてMoS2、黒鉛、WS2、h−BN、PTFE等のフッ素系樹脂、CFから選択される1種以上を、該硬質粒子としては酸化物(アルミナ、シリカ)、窒化物(SiN)、炭化物(SiC)、硫化物(ZnS)から選択される1種以上を、熱硬化性樹脂としてはPAI、PIから選択される1種以上をそれぞれ用いることを特徴とする請求項1又は請求項2に記載の摺動部材。
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| EP12860533.4A EP2796738B1 (en) | 2011-12-22 | 2012-10-30 | Sliding component |
| US14/366,699 US9074628B2 (en) | 2011-12-22 | 2012-10-30 | Sliding component |
| PCT/JP2012/077989 WO2013094315A1 (ja) | 2011-12-22 | 2012-10-30 | 摺動部材 |
| BR112014015050A BR112014015050A2 (pt) | 2011-12-22 | 2012-10-30 | componente deslizante |
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| JP2016121533A (ja) * | 2014-12-24 | 2016-07-07 | 大豊工業株式会社 | 摺動部材およびコンプレッサ |
| JP6177852B2 (ja) * | 2015-10-01 | 2017-08-09 | 大豊工業株式会社 | コンプレッサ用斜板及びそれを具備するコンプレッサ |
| DE102016120096A1 (de) * | 2015-10-21 | 2017-04-27 | Ks Kolbenschmidt Gmbh | Verbundwerkstoff für einen Kolben |
| CN112555274B (zh) * | 2020-12-03 | 2022-08-16 | 青岛万宝压缩机有限公司 | 一种外置轴承装置、压缩机及方法 |
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| JPS5880615U (ja) * | 1981-11-26 | 1983-05-31 | 株式会社小松製作所 | エンジンの軸受け装置 |
| JPS58202456A (ja) * | 1982-04-07 | 1983-11-25 | Hitachi Metals Ltd | 電子写真用フエライトキヤリア− |
| JP3047502B2 (ja) * | 1991-04-17 | 2000-05-29 | オイレス工業株式会社 | 軸受装置及びその製造方法 |
| JP2564843Y2 (ja) | 1992-07-29 | 1998-03-11 | 日本ビクター株式会社 | すべりスラスト軸受け構造 |
| US5971617A (en) * | 1997-07-24 | 1999-10-26 | Norton Pampus Gmbh | Self-lubricated bearing |
| CN1215267C (zh) | 2001-03-16 | 2005-08-17 | 大丰工业株式会社 | 滑动件 |
| JP3918516B2 (ja) | 2001-11-07 | 2007-05-23 | 株式会社豊田自動織機 | 斜板式圧縮機 |
| JP2003278742A (ja) * | 2002-03-26 | 2003-10-02 | Daido Metal Co Ltd | 両面摺動スラスト軸受 |
| JP4232506B2 (ja) * | 2002-06-24 | 2009-03-04 | 株式会社豊田自動織機 | 摺動部品 |
| JP2004211859A (ja) * | 2003-01-08 | 2004-07-29 | Taiho Kogyo Co Ltd | すべり軸受 |
| JP4049082B2 (ja) * | 2003-06-19 | 2008-02-20 | 株式会社豊田自動織機 | 圧縮機 |
| DE102005023457A1 (de) * | 2004-05-21 | 2005-12-15 | Kabushiki Kaisha Toyota Jidoshokki, Kariya | Gleitfilm, Gleitelement, Zusammensetzung für einen Gleitfilm, Gleitvorrichtung, Taumelscheibenkompressor, Verfahren zur Erzeugung eines Gleitfilms und Verfahren zur Herstellung eines Gleitelements |
| JP3925730B2 (ja) * | 2004-12-28 | 2007-06-06 | 大豊工業株式会社 | シュー |
| ATE516439T1 (de) * | 2004-12-28 | 2011-07-15 | Taiho Kogyo Co Ltd | Kolbenschuh für einen taumelscheibenkompressor |
| JP4835360B2 (ja) | 2006-09-29 | 2011-12-14 | 株式会社デンソー | スクロール型圧縮機 |
| US7878777B2 (en) | 2006-08-25 | 2011-02-01 | Denso Corporation | Scroll compressor having grooved thrust bearing |
| EP1975424A1 (de) * | 2007-03-29 | 2008-10-01 | Saint-Gobain Performance Plastics Pampus Gmbh | Kalibrierfähiges Gleitlagermaterial |
| JPWO2009041653A1 (ja) * | 2007-09-27 | 2011-01-27 | 大豊工業株式会社 | 摺動部材用組成物及び該組成物を被着した摺動部材 |
| CN201377515Y (zh) * | 2009-04-23 | 2010-01-06 | 贵州航天精工制造有限公司 | 一种滑动轴承 |
| JP5368898B2 (ja) * | 2009-07-02 | 2013-12-18 | トヨタ自動車株式会社 | 摺動部材及び摺動部材の製造方法 |
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| EP2796738B1 (en) | 2018-06-20 |
| JP2013130172A (ja) | 2013-07-04 |
| CN104040199A (zh) | 2014-09-10 |
| EP2796738A4 (en) | 2016-01-13 |
| US9074628B2 (en) | 2015-07-07 |
| EP2796738A1 (en) | 2014-10-29 |
| KR20140094665A (ko) | 2014-07-30 |
| KR101501277B1 (ko) | 2015-03-12 |
| BR112014015050A2 (pt) | 2017-06-13 |
| WO2013094315A1 (ja) | 2013-06-27 |
| CN104040199B (zh) | 2015-12-02 |
| US20140349898A1 (en) | 2014-11-27 |
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