WO2004109153A1 - チェーン用ピン及びその製造方法 - Google Patents
チェーン用ピン及びその製造方法 Download PDFInfo
- Publication number
- WO2004109153A1 WO2004109153A1 PCT/JP2004/007511 JP2004007511W WO2004109153A1 WO 2004109153 A1 WO2004109153 A1 WO 2004109153A1 JP 2004007511 W JP2004007511 W JP 2004007511W WO 2004109153 A1 WO2004109153 A1 WO 2004109153A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pin
- chain
- vanadium
- chromium
- base material
- Prior art date
Links
Classifications
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
- C23C10/08—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases only one element being diffused
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/04—Toothed chains
Definitions
- the present invention relates to a pin used for a power transmission chain such as a silent chain, a roller chain, etc., and more particularly to a chain for use in an engine, and more particularly to a chain pin and a method of manufacturing the same.
- a silent chain causes relative rotational sliding between a pin and a link plate, and a roller chain between the pin and a bush, resulting in wear of the pin.
- various surface treatments are applied to the pin surfaces.
- a pin having a chromium carbide layer formed on the pin surface (hereinafter referred to as a chromiumizing pin) and a pin having a vanadium carbide layer formed on the pin surface (hereinafter referred to as a VC pin) are known.
- a chromiumizing pin a pin having a chromium carbide layer formed on the pin surface
- a VC pin a pin having a vanadium carbide layer formed on the pin surface
- chromium penetration and diffusion treatment is performed on the surface of a pin matrix made of steel for the purpose of improving wear resistance under high surface pressure.
- high surface pressure acts in a high temperature environment in an engine such as a timing chain.
- the outermost surface of the above-mentioned pin is a vanadium carbide (Vx, Cy, for example, V), because it consists of a mixed layer of vanadium carbide and chromium carbide [(V, Cr) xCy, for example, (V, Cr) C].
- C) The surface pressure strength is sufficient compared with the one consisting of C) and exfoliation occurs on the surface, and there is a possibility that the wear of the pin will progress with the progress of exfoliation, and furthermore, chromium 'vanadium mixed layer and base steel Due to the existence of a clear intermediate layer such as a chromium carbide layer force between them, delamination occurs at the interface between the intermediate layer and the upper mixed layer and the lower steel base material. As a result, there is a risk that wear may rapidly progress.
- the present invention has been described above in that the chromium content is inclined between the pin base material and the surface layer made of vanadium carbide to form a composite carbide which does not form a clear interface. It is an object of the present invention to provide a chain pin which solves the problem and a method of manufacturing the same.
- the content of chromium (Cr) in the composite carbide is gradually reduced toward the surface layer.
- a steel material containing chromium in an amount of 0.6% or more is used as the pin base material (1),
- the pin base material is subjected to diffusion and penetration treatment at a predetermined temperature in a vanadium-containing gas atmosphere (for example, VC1).
- a vanadium-containing gas atmosphere for example, VC1.
- a composite carbide of vanadium and chromium (for example, V (V)) is provided on the surface portion of the pin base material by chromium (Cr) and carbon (C) supplied from the pin base material and vanadium (V) in the atmosphere. , Cr) C),
- the diffusion / permeation treatment is carried out using a vanadium-containing powder [eg, vanadium (FeV)] as a penetrant material, sintering inhibitor It consists of a powder pack method using [for example, alumina (AlO)] and an accelerator [for example, a halide such as ammonium chloride (NH C1)],
- the heat treatment temperature is 1000 [° C.] 1100 [° C.],
- the surface layer is made of vanadium carbide, it has high contact pressure strength, and it can be used under severe conditions where high contact pressure repeatedly acts in a high temperature environment. Since it is possible to prevent the occurrence of exfoliation on the surface and to form a composite carbide of vanadium and chromium without forming a clearly partitioned interface at the interface between the surface layer and the pin base material, the surface layer and By improving the adhesion strength with the pin base material and preventing the occurrence of peeling at the interface between the composite carbide and the pin base material and the surface layer, it is possible to use even in a severe use environment, The pin wear can be reduced to improve the durability and the life of the chain.
- the pin mother material in the diffusion and penetration treatment based on the heat treatment in one step without using two or more kinds of penetration materials.
- a composite carbide of vanadium and chromium was formed on the surface of the material, and then a surface layer of vanadium carbide was formed without forming an interface with the composite carbide.
- the chain pin with high accuracy can be manufactured easily and easily and reliably at low cost.
- the above-mentioned heat treatment is not accompanied by a large increase in cost due to the one-step heat treatment at 1000 ° C and 1100 ° C by the proven powder pack method. Aen pins can be manufactured accurately.
- FIG. 1 The conventional technology (the technology proposed in Japanese Patent Laid-Open No. 2002-195356) It is a figure which shows the manufacturing method of the pin for opening.
- FIG. 2 is a view showing a film structure as seen in a cross-sectional photograph of a pin for a chain according to the prior art.
- FIG. 3 is a view showing a method of manufacturing a pin for a chain according to the present invention.
- Fig. 4 is a cross-sectional view of a pin for a chain according to the present invention
- Fig. 4a is a view showing a film structure obtained from a cross-sectional photograph
- Fig. 4b is a view showing a film structure also showing analysis results
- Fig. 4c is a view The schematic diagram.
- FIG. 5 shows the analysis results of the pin for a chain according to the present invention by an X-ray probe analyzer, wherein FIG. 5 a shows a vanadium content and FIG. 5 b shows a chromium content.
- FIG. 6 is a diagram showing the results of a scratch test.
- the chain pin according to the present invention is applied to any power transmission chain such as a known roller chain or silent chain, and is particularly suitable to be applied to a chain used in an engine such as a timing chain.
- the roller chain comprises a pin link in which both ends of two pin link plates are connected by pins, and a roller link in which both ends of two roller link plates are connected by bushes. It is fitted inside and endlessly connected, and a roller is loosely fitted to the bush.
- the silent chain includes a guide row consisting of a plurality of link plates having guide link plates at both ends, and a joint row consisting only of a toothed link plate without the guide link plate, It is configured to be connected endlessly with a fixed pin.
- the present invention relates to the above-described pin for a chain.
- the pin base material 1 as a base material is, for example, S50C (C: 0. 47-0. 53%, Si; 0. 15-0. 35, Mn; 0. 60-0. 90%, P 0.30% or less, S: 0.35% or less, Cr as an impurity: 0.20% or less)
- Steel structure such as carbon steel materials for machine structural use, and pins using the iron (Fe) as a base material
- Two-step metal infiltration treatment is performed on base material (material) 1.
- the first step metal penetration treatment is chromium penetration diffusion treatment (CrC diffusion penetration treatment, chromizing), and along with the pin base material, Cr (metallic chromium) as a penetration material raw material and as a sintering prevention material Al O (alumina)
- the temperature is raised to 900 ° C. and held for a predetermined time.
- the CrC diffusion process is carried out in the furnace with NH
- Fe and C in the pin matrix are in the atmosphere It combines with Cr to form (Fe, Cr) x Cy, for example, (Fe, Cr) C, and the chromium carbide (CrC) first penetrates the surface of the pin matrix 1 to form a covering layer.
- the pin (chromizing pin) in which the chromium carbide is infiltrated and coated on the surface is removed from the furnace, and this time, as the second step of metal penetration treatment, Vanadium diffusion treatment (VC diffusion treatment) is performed.
- VC diffusion treatment Vanadium diffusion treatment
- FeV eed Vanadium
- alumina and ammonium chloride are put in the furnace together with the chromium pins in the same manner as in the chromium infiltration diffusion process described above.
- the temperature is raised to 1000 ° C. and held for a predetermined time.
- VxCy for example, VC
- VxCy for example, VC
- the vanadium carbide infiltrates on the layer of rhombic carbide to form a surface coating layer.
- the surface coating layer is mainly composed of vanadium carbide, but a small amount of the chromium carbide is mixed to form a mixed layer.
- the pin P for a chain first comprises an intermediate layer 2 composed of chromium carbide (Fe, Cr) C on a pin matrix 1 mainly composed of Fe.
- the surface layer 3 mainly composed of vanadium carbide (VC) is formed thereon.
- the intermediate layer 2 composed of chromium carbide can be clearly distinguished from the base material 1 and the surface layer 3 mainly composed of vanadium carbide on the cross-sectional photograph.
- a method of manufacturing a chain pin according to the present invention is shown in FIG. The present manufacturing method is carried out only by the powder pack method of one time (one step) of metal diffusion permeation treatment, that is, vanadium permeation diffusion treatment (VC complex diffusion permeation treatment).
- the VC complex diffusion / permeation treatment is FeV (ferment mouth vanadium) as a penetrant (powder), Al 2 O 3 which is a refractory powder as an anti-sintering material, and a halide as an additive (promoter)
- FeV ferment mouth vanadium
- Al 2 O 3 which is a refractory powder as an anti-sintering material
- a halide as an additive (promoter)
- a powder consisting of NH C1 (ammonium chloride) is placed in a furnace with the pin base material 1.
- the pin base material 1 is made of chromium molybdenum steel (SCM), chromium steel (SCr), nickel chromium molybdenum steel (SNCM), nickel chromium steel (SNC), manganese chromium steel (SMnC), high carbon Steel with high chromium content (Cr; 0.6 wt% or more) such as chromium bearing steel (SUJ), nitrided steel (SACM, SCM, SCMV), soft nitrided steel (SAC), for example, SNCM 439 (C: 0.43) —0.43%, Si: 0.15 to 0.35%, Mn: 0.50 to 0.90%, P: not more than 0.030%, S: not more than 0.03%, Cr: 0.6 to 1.
- SCM chromium molybdenum steel
- SCr chromium steel
- SNCM nickel chromium molybdenum steel
- SNC nickel chromium steel
- MnC manganese chro
- the penetrating material raw material and the pin base material are heated to 1000 ° C. to 1100 ° C. in a furnace, held at the temperature for a predetermined time, and then slowly cooled.
- HC 1 gas
- V in the atmosphere combines with Cr and C diffused from the pin matrix (material) to form a composite carbide of vanadium and chromium [(V , C r) x Cy, for example, (V, Cr) C] is formed, and a boundary made of the vanadium 'chromium composite carbide is formed on the surface of the pin base material.
- the supply of from the pin base material (material) decreases (the supply effect becomes smaller), and the V and base force in the atmosphere
- VxCy vanadium carbide
- FIGS. 4a, 4b The cross section of the surface of the pin P for a chain manufactured by the manufacturing method according to the present invention is shown in FIGS. 4a, 4b,
- vanadium'chromium composite carbide [(V, Cr) C] 5 is formed at the interface with the pin base material 1. Furthermore, a surface layer of vanadium carbide (VC) 6 is coated on the boundary portion of the composite carbide 5.
- the above composite carbide [(V, Cr) C] is In the pin base material 1, V diffuses as it penetrates, and exists together with the chromium carbide (Cr C) and also in the surface layer 6 part, and the boundary with the base material 1 However, the Cr content gradually decreases from the interface 7 with the base material to the surface layer 6 and is not clearly divided. Therefore, as shown in FIG.
- the presence of the composite carbide layer 5 at the boundary can be inferred from the analysis results of an X-ray probe microanalyzer etc. described later.
- FIGS. 4a and 4c from the cross-sectional photograph, the interface 8 between the surface layer 6 and the composite carbide layer 5 can not be recognized, and the interface 7 between the base material 1 and the surface layer 6
- the existence of the composite carbide layer 5 can not be clearly defined.
- FIG. 5 shows the result of analysis of the chain pin according to the present invention, in which SUJ 2 is used as the base material and the above-mentioned vanadium diffusion and permeation treatment, with an X-ray probe microanalyzer.
- FIG. 5a shows the vanadium content, which has a value of about 80% over a given distance (about 20 / m) from the pin surface, and drops sharply at the boundary 7, In the matrix, it will be about 0 [%].
- FIG. 5 b shows the chromium content
- the above analyzer was analyzed at high current using the kis primary wire. It has been analyzed that the chromium content gradually decreases from inside the pin matrix toward the pin surface. That is, chromium (Cr) diffuses and penetrates into the vanadium carbide layer (surface layer) from the chromium-rich pin matrix by the above-described heat treatment at a high temperature, and the complex carbide layer [(V, Cr) x Cy] 5
- the chromium content in the composite carbide layer is gradually reduced toward the highest pin surface at the boundary portion 7 and is about 0 [%] at a predetermined distance (about 6 ⁇ m) from the boundary surface.
- a surface layer 6 which is substantially composed of vanadium carbide.
- the vanadium diffusion and infiltration treatment is performed at a heat treatment temperature of 1000 ° C. or less in order to avoid coarsening of vanadium carbide grain size, and even in the prior art shown in FIG.
- the infiltration treatment is set to 900 ° C. and 1000 ° C.
- a carbide-forming element for example, Cr
- the diffusion efficiency is small so that the content is small. For this reason, it is difficult to obtain a composition-graded interlayer such as the above composite carbide [(V,) xCy] 5.
- the temperature of the vanadium diffusion and infiltration treatment at which the Cr content in the base material is high is set to 1000 ° C. or higher to achieve the diffusion of Cr in the base material to the vanadium carbide layer, A compositionally graded interlayer comprising a compound can be obtained.
- the heat treatment temperature exceeds 1100 ° C., coarsening of vanadium carbide (VC) grains may progress, which may cause the VC grains to drop off, and the above-mentioned diffusion and permeation treatment temperature is 1000 ° C. and 1100 ° C. A range is desirable.
- the above-described pin P for a chain has a surface treatment film of 10 111 to 30 111 (a surface that also has a C force)
- a predetermined hardening, tempering or constant temperature transformation treatment is performed after the diffusion and penetration treatment.
- the method of manufacturing the pin P according to the prior art described above has a two-step heat process.
- the heat treatment in one step is sufficient, and the manufacturing method is easy, and the high precision of the pin P can be easily and accurately manufactured with high precision and efficiency.
- the chain pin P according to the prior art has a chromium carbide (Cr C) of the intermediate layer as a barrier.
- the chromium carbide layer (intermediate layer) 2 is composed of a single layer which is clearly partitioned as shown in FIG. 2, the chromium carbide layer 2 and the surface layer 3 and the pin matrix 1 are There are interfaces 2a and 2b that can be divided into two, and the above-mentioned adhesion strength is not sufficient.
- the pin P for a chain according to the present invention is a chromium-rich mother.
- the composite carbide layer 5 forms a surface layer 6 comprising vanadium carbide (V C)
- the composite carbide 5 comprises a surface layer 6 of vanadium carbide (VC) on the pin base material 1.
- the surface layer 6 made of vanadium carbide has high contact pressure strength, and the surface can be used even in a severe use condition where high contact pressure acts in a high temperature environment. Generation of peeling is prevented.
- FIG. 6 shows the results of a scratch test in which a diamond indenter is pressed against the above pins, a load is continuously raised, and a scratching test is performed to determine the peel limit load.
- the test results show that the pin P force by the combined diffusion and infiltration treatment according to the present invention compared to the pin P according to the prior art
- Vanadium carbide which is the surface layer, is in close contact with the pin P by
- the above-described chain pin of the present invention can be applied to all known power transmission chains such as roller chains, sirens and chains, and is particularly suitable for timing chains used in severe operating environments such as engines. is there.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/559,287 US7695575B2 (en) | 2003-06-03 | 2004-06-01 | Pin for chain and method for manufacture thereof |
BRPI0411097-8A BRPI0411097A (pt) | 2003-06-03 | 2004-06-01 | pino de corrente e processo de fabricação do mesmo |
EP04745476A EP1635087B1 (en) | 2003-06-03 | 2004-06-01 | Pin for chain and method for manufacture thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003158075A JP4401108B2 (ja) | 2003-06-03 | 2003-06-03 | チェーン用ピン及びその製造方法 |
JP2003-158075 | 2003-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004109153A1 true WO2004109153A1 (ja) | 2004-12-16 |
Family
ID=33508413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/007511 WO2004109153A1 (ja) | 2003-06-03 | 2004-06-01 | チェーン用ピン及びその製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7695575B2 (ja) |
EP (1) | EP1635087B1 (ja) |
JP (1) | JP4401108B2 (ja) |
CN (1) | CN100394067C (ja) |
BR (1) | BRPI0411097A (ja) |
MY (1) | MY148929A (ja) |
TW (1) | TWI329715B (ja) |
WO (1) | WO2004109153A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009040915A1 (ja) | 2007-09-27 | 2009-04-02 | Daido Kogyo Co., Ltd. | リンクチェーン |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005075699A1 (ja) * | 2004-02-03 | 2005-08-18 | Honda Motor Co., Ltd. | 有層Fe基合金及びその製造方法 |
JP2006336056A (ja) * | 2005-05-31 | 2006-12-14 | Nippon Karoraizu Kogyo Kk | 耐摩耗性鋼製部品およびその製造方法 |
JP5021966B2 (ja) * | 2006-07-06 | 2012-09-12 | 本田技研工業株式会社 | 耐摩耗性部品及びその製造方法 |
JP4771879B2 (ja) * | 2006-07-18 | 2011-09-14 | 株式会社椿本チエイン | 自動車エンジン用サイレントチェーン |
JP2008133906A (ja) * | 2006-11-28 | 2008-06-12 | Tsubakimoto Chain Co | 自動車エンジン用チェーン |
JP4944644B2 (ja) * | 2007-03-12 | 2012-06-06 | 本田技研工業株式会社 | チェーン |
CN101663503B (zh) * | 2007-03-29 | 2011-04-13 | 大同工业株式会社 | 耐磨性链条 |
KR20110070994A (ko) * | 2008-10-16 | 2011-06-27 | 보르그워너 인코퍼레이티드 | 5족 금속원 탄화물로 코팅된 스틸 물품 및 그 제조 방법 |
EP2568058B1 (de) * | 2011-09-09 | 2014-12-17 | iwis motorsysteme GmbH & Co. KG | Gelenkkette mit hartstoffbeschichteten Kettengelenken |
US10174809B2 (en) * | 2012-09-21 | 2019-01-08 | Schaeffler Technologies AG & Co. KG | Chain element and method for the production thereof |
JP6118144B2 (ja) * | 2013-03-14 | 2017-04-19 | ボーグワーナー インコーポレーテッド | 耐摩耗性を有するチェーン用ピンの製造方法 |
JP5608280B1 (ja) | 2013-10-21 | 2014-10-15 | 大同工業株式会社 | チェーン用軸受部、その製造方法、及びそれを用いたチェーン |
JP6034342B2 (ja) * | 2014-08-26 | 2016-11-30 | 大同工業株式会社 | チェーン用ピン |
CN105088133A (zh) * | 2015-08-28 | 2015-11-25 | 杭州东华链条集团有限公司 | 一种高耐磨链条的制造工艺 |
CN105112925A (zh) * | 2015-08-28 | 2015-12-02 | 杭州东华链条集团有限公司 | 一种高耐磨链条 |
TWI750068B (zh) * | 2021-03-24 | 2021-12-11 | 岳盟企業股份有限公司 | 包含齒形鏈片的鏈條 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002002843A2 (en) * | 2000-06-29 | 2002-01-10 | Borg Warner, Inc. | Carbide coated steel articles and method of making them |
JP2002195356A (ja) | 2000-12-27 | 2002-07-10 | Borg Warner Automotive Kk | チェーン用ピンおよびその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB722915A (en) * | 1951-01-17 | 1955-02-02 | Metro Cutanit Ltd | Process for producing a hard and wear-resistant surface on ferrous bodies |
JP3199225B2 (ja) * | 1996-12-12 | 2001-08-13 | 株式会社椿本チエイン | サイレントチェーン |
JP2000065155A (ja) * | 1998-08-21 | 2000-03-03 | Honda Motor Co Ltd | サイレントチェーン |
JP2002013596A (ja) * | 2000-06-30 | 2002-01-18 | Daido Kogyo Co Ltd | 低騒音ローラチェーン |
JP2002028749A (ja) * | 2000-07-13 | 2002-01-29 | Borg Warner Automotive Kk | リンクプレートの仕上加工方法および該仕上加工方法により加工されたリンクプレート |
US20020119852A1 (en) | 2000-12-27 | 2002-08-29 | Naosumi Tada | Chain pin and method of manufacturing same |
CN1219611C (zh) * | 2001-06-29 | 2005-09-21 | 宣碧华 | 一种链条的制造方法 |
JP3656844B2 (ja) * | 2002-07-23 | 2005-06-08 | 株式会社椿本チエイン | 自動車エンジン用タイミングチェーン |
-
2003
- 2003-06-03 JP JP2003158075A patent/JP4401108B2/ja not_active Expired - Lifetime
-
2004
- 2004-05-25 TW TW093114742A patent/TWI329715B/zh not_active IP Right Cessation
- 2004-06-01 US US10/559,287 patent/US7695575B2/en active Active
- 2004-06-01 BR BRPI0411097-8A patent/BRPI0411097A/pt active IP Right Grant
- 2004-06-01 CN CNB2004800156688A patent/CN100394067C/zh not_active Expired - Lifetime
- 2004-06-01 WO PCT/JP2004/007511 patent/WO2004109153A1/ja active Application Filing
- 2004-06-01 EP EP04745476A patent/EP1635087B1/en not_active Expired - Lifetime
- 2004-06-02 MY MYPI20042128A patent/MY148929A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002002843A2 (en) * | 2000-06-29 | 2002-01-10 | Borg Warner, Inc. | Carbide coated steel articles and method of making them |
JP2002195356A (ja) | 2000-12-27 | 2002-07-10 | Borg Warner Automotive Kk | チェーン用ピンおよびその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1635087A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009040915A1 (ja) | 2007-09-27 | 2009-04-02 | Daido Kogyo Co., Ltd. | リンクチェーン |
Also Published As
Publication number | Publication date |
---|---|
MY148929A (en) | 2013-06-14 |
US7695575B2 (en) | 2010-04-13 |
CN1802524A (zh) | 2006-07-12 |
EP1635087A4 (en) | 2006-08-16 |
JP2004360755A (ja) | 2004-12-24 |
BRPI0411097A (pt) | 2006-07-18 |
US20060162819A1 (en) | 2006-07-27 |
TWI329715B (en) | 2010-09-01 |
EP1635087A1 (en) | 2006-03-15 |
CN100394067C (zh) | 2008-06-11 |
JP4401108B2 (ja) | 2010-01-20 |
EP1635087B1 (en) | 2011-08-10 |
TW200502497A (en) | 2005-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004109153A1 (ja) | チェーン用ピン及びその製造方法 | |
JP3747373B2 (ja) | 炭化物で被覆された鋼品およびその製造方法 | |
CN100473866C (zh) | 无声链条 | |
CN101109425B (zh) | 汽车发动机用链 | |
KR102254912B1 (ko) | 체인용 축받이부, 체인용 핀 및 체인 | |
US6131603A (en) | Ti alloy poppet valve and surface treatment thereof | |
JP4394193B2 (ja) | リンクチェーン | |
EP1729032B1 (en) | Steel parts having high wear and abrasion resistance and method for manufacturing the same | |
JPS596367A (ja) | リンクチエ−ンの製造方法 | |
JP4456396B2 (ja) | 硬質炭化物層の形成方法、並びにこの形成方法により得られたローラーチェーン及びサイレントチェーン | |
JPH10311381A (ja) | チェーン用ピン | |
JP6392625B2 (ja) | チェーン用軸受部、ピン、及びそれを用いたチェーン | |
EP1907725B1 (de) | Gelenkkette mit nitrierter lagerfläche mit oxidationsschicht | |
JP4554254B2 (ja) | ローラーチェーン及びサイレントチェーン | |
JP4488840B2 (ja) | 硬質窒化物層の形成方法、並びにこの形成方法により得られたローラーチェーン及びサイレントチェーン | |
JP2004293586A (ja) | 耐摩耗性チェーン及び耐摩耗性チェーンの製造方法 | |
US9638284B2 (en) | Wear-resistant chain pin | |
JP2001073187A (ja) | 耐蝕性金属製品並びにその製造方法 | |
JPH09195033A (ja) | エンジンバルブ及びその製造方法 | |
JP2016080027A (ja) | チェーン用軸受部、ピン、その製造方法、及びそれを用いたチェーン | |
BRPI0411097B1 (pt) | Pino de corrente e método de fabricação do mesmo | |
JPS596368A (ja) | リンクチエ−ンの製造方法 | |
JPH11343565A (ja) | 表面に硬化層を有するTi基合金材料およびその製造方法 | |
JPS61231158A (ja) | 多層処理耐摩用治工具 | |
KR0164037B1 (ko) | 자동변속기용 스페이서-차동기어 표면개질 처리방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 20048156688 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 5716/DELNP/2005 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004745476 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2004745476 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2006162819 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10559287 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: PI0411097 Country of ref document: BR |
|
WWP | Wipo information: published in national office |
Ref document number: 10559287 Country of ref document: US |