WO2009017249A1 - 耐油ぬれ拡がり性に優れた表面処理鋼板 - Google Patents
耐油ぬれ拡がり性に優れた表面処理鋼板 Download PDFInfo
- Publication number
- WO2009017249A1 WO2009017249A1 PCT/JP2008/064074 JP2008064074W WO2009017249A1 WO 2009017249 A1 WO2009017249 A1 WO 2009017249A1 JP 2008064074 W JP2008064074 W JP 2008064074W WO 2009017249 A1 WO2009017249 A1 WO 2009017249A1
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- WO
- WIPO (PCT)
- Prior art keywords
- steel sheet
- treated steel
- contact angle
- bearing
- lubricant
- Prior art date
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Classifications
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
- C23C28/025—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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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
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
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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
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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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
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
Definitions
- the present invention relates to a surface-treated steel sheet having excellent oil-wetting spreadability, and in particular, motor cases for various motors used in the field of automobiles and AV / OA equipment (including a bearing holder portion for holding a bearing). It is related with the surface-treated steel plate suitable for a motor case.
- Bearings are roughly classified into rolling bearings and plain bearings, but most of the bearings for various motors used in electric motors used in automobiles, electronic recording equipment such as HDDs, and electronic equipment such as copy machines are sliding bearings. .
- a plain bearing lubricating oil is supplied to the bearing part, and the oil pressure generated in the lubricating oil during rotation mainly prevents contact and adhesion between the rotating shaft and the bearing.
- the oil needs to be properly held in the bearing (usually a bearing member that can be impregnated with lubricating oil is used for the bearing).
- the conventional motor has a problem that the lubricating oil oozes out from the bearing portion, and contact / adhesion between the rotating shaft and the bearing is liable to occur due to insufficient lubricating oil, which causes vibration of the motor. Yes.
- Japanese Laid-Open Patent Publication No. 7_2 3 8 9 3 4 is disclosed in Japanese Laid-Open Patent Publication No. 9 1 2 1 0 0 6 5, etc.
- Improvements in the structure of the bearing and the periphery of the bearing have been proposed, but the effect of preventing the seepage of lubricating oil from the bearing was not always sufficient.
- the bearings (bearing members) of various motors used in automobiles, ⁇ A ⁇ AV equipment, etc. are generally held and fixed to the bearing holder part formed in the motor case.
- the motor case Is widely used that is obtained by plastic processing of a surface-treated copper plate with a fouling coating formed on the surface of a zinc-based plated steel plate.
- the lubricating oil oozes out from the bearing, the lubricating oil oozes out from the bearing (bearing member) to the inner surface of the motor case around the bearing holder.
- Conventional research to prevent such seepage of lubricating oil has been focused exclusively on improving the bearing material and the structure around the bearing, but the results have been satisfactory. It wasn't.
- the present inventors focused on the surface properties of the motor case (surface-treated steel plate) on which the bearing holder portion is formed, and studied the mechanism for lubricating oil to ooze out from the bearing portion and countermeasures. As a result, the lubricating oil oozes out from the bearing part because the inner surface of the motor case (surface of the surface-treated steel sheet) including the bearing holder part has a lubricating oil wettability. It was found that the lubricating oil spilled one after another on the inner surface of the surrounding case and wetted.
- the penetration of the lubricating oil from the bearing to the inner surface of the motor case is suppressed by suppressing the lubricating oil wettability of the inner surface of the motor case (surface treated steel plate surface) including the bearing holder to a sufficiently low level (that is, the lubricating oil
- the lubricating oil wettability of the inner surface of the motor case (surface treated steel plate surface) including the bearing holder to a sufficiently low level (that is, the lubricating oil
- the object of the present invention is excellent in oil-wetting spreading property, and when applied to a part having a bearing holder part for holding a bearing such as a motor case, the bearing part may be insufficient in lubricating oil. It is an object of the present invention to provide a surface-treated steel sheet that can effectively suppress the seepage of lubricating oil. Disclosure of the invention
- the gist of the present invention is as follows.
- the kinematic viscosity at 4 O t is 5 1 to 6 9 with respect to the surface of the protective film (A) after the surface-treated steel sheet is subjected to plastic working at a stretch ratio of 20%.
- mm 2 / s contact angle of lubricant with kinematic viscosity at 1100 ° C of 11.1 to 1 4.
- St nm SZ s A surface-treated steel sheet with excellent resistance to wetting and spreading of oil, characterized in that the contact angle after 30 seconds from the formation of a lubricating oil droplet is 10 ° or more.
- a part having a bearing holder portion for holding a bearing characterized by satisfying the condition of the surface of the anti-fouling film ( ⁇ ) described in any one of [1] to [3] above Surface-treated steel sheet.
- a motor provided with a bearing holder portion for holding a bearing, characterized by satisfying the condition of the surface of the anti-fouling film (i) described in any one of [1] to [3] above Surface-treated steel sheet for cases.
- a motor case provided with a bearing holder portion for holding a bearing, obtained by plastic working the surface-treated steel sheet according to any one of [1] to [3], ⁇ coating surface
- Fig. 1 shows a typical pattern of the change in contact angle over time immediately after the formation of a liquid droplet when the contact angle was measured on a solid surface.
- Fig. 2 is a cross-sectional view of a general motor case on the bearing holder side.
- the present inventors have found that by allowing the contact angle of the lubricating oil to the surface-treated steel sheet surface to be the inner surface of the motor case to be a predetermined level or more, the seepage of the lubricating oil from the bearing portion can be effectively suppressed.
- the present invention has been reached. More preferably, it is plastic under predetermined processing conditions.
- Examples of the zinc-based plated steel sheet used as the base of the surface-treated steel sheet of the present invention include a zinc-plated steel sheet, a Zn—Ni alloy-plated steel sheet, a Zn—A1-Mg alloy-plated steel sheet (for example, Zn— 6 mas s% A 1 3 mass% M g alloy steel plate, Z n— 1 l mass% A 1 _ 3 mass% Mg alloy steel plate), Z n— A 1 alloy steel plate (eg Zn-5 mass% A1 alloy steel plate) can be used.
- Plated steel sheets containing one or more of antimony, tin, copper and the like can also be used.
- a multi-layer plated steel sheet in which two or more layers of the same or different types are bonded can be used.
- the surface-treated steel sheet of the present invention is a surface-treated steel sheet in which a protective film is formed on the surface of the zinc-based steel sheet, at least at 40 ° C. relative to the surface of the protective film (A) on one side of the steel sheet.
- Kinematic viscosity of 5 1-6 Lubricating oil contact angle with kinematic viscosity at 1100 ° C is 11.1 to 14.9 mm 2 / s
- the contact angle after 30 seconds from the formation of the oil droplet is 10 ° or more, preferably 15 ° or more, and more preferably 25 ° or more.
- the antifouling film is mainly composed of an organic component or Z and an inorganic component for obtaining a desired antifouling performance.
- Fig. 1 shows a typical pattern of the change in contact angle over time immediately after the formation of a liquid droplet on a solid surface when the contact angle was measured.
- the contact angle On the solid surface where the lubricating oil is difficult to wet, the contact angle hardly changes with time, whereas on the solid surface where the lubricating oil is easy to wet, the contact angle rapidly decreases immediately after droplet formation, and after a certain time has passed. Stabilize.
- a protective film mainly composed of an organic component and / or an inorganic component as a target of the present invention, contact is made when at least 30 seconds have passed after the formation of a droplet. Since it was found that the antenna was stabilized, the contact angle used in the present invention was set to 30 seconds after the formation of the lubricant droplet on the surface of the P-coating film.
- the contact angle of the lubricant to the surface of the anti-fouling film (A) is measured as follows.
- the kinematic viscosity at 40 ° C is 5 1 to 69 mm 2 / s on the surface of the anti-corrosion coating (A) (surface-treated steel sheet). 1 1.1-1 4. 9mm 2 / s formed a lubricant droplet, continuously measured contact angle with a contact angle meter, P surface coating
- the contact angle value 30 seconds after the droplet is formed in (A) is defined as the contact angle of the surface of the protective coating (A).
- the lubricating oil having a kinematic viscosity at 40 ° C of 5 1 to 6 ⁇ 2 / s and a kinematic viscosity at 100 ° C of 1 1.1 to 14.9 mm 2 s include, for example, “ALL TIME J652J (40 ° C .: Kinematic viscosity at 60 ° C .: 60 mm 2 / s, 100 ° C .: 13 mm 2 / s)” and Porite Co., Ltd.
- PSL-7 kinematic viscosity at 40 ° C .: 60 mm 2 Zs, kinematic viscosity at 100 ° C .: 13 mmVs
- a contact angle meter for example, “Dro P Master 500” manufactured by Kyowa Interface Science Co., Ltd. can be used.
- the contact angle of the lubricating oil with respect to the surface of the protective coating (A) is the most important requirement in the present invention, and if this contact angle satisfies the above conditions, it is possible to obtain excellent oil wetting resistance. Become. Increasing the contact angle is to increase the interfacial tension of the lubricating oil on the anti-fouling coating surface (A), but the interfacial tension is the force acting in the direction in which the lubricating oil tends to become spherical. If tension is increased, it will be difficult to wet and oil spread resistance will be improved.
- the contact angle of the above-mentioned lubricating oil 10 ° or more preferably 15 ° or more, and more preferably 25 ° or more, the contact between the rotating shaft and the bearing 'the lack of lubricating oil causing adhesion may occur. It is possible to effectively suppress the seepage of the lubricating oil from the bearing.
- the contact angle of the lubricating oil may be set to the above condition for at least the surface of the protective film (A) on one side of the steel sheet that is the inner surface side of the motor case.
- a motor case provided with a bearing holder is usually manufactured by subjecting a surface-treated steel sheet to plastic working such as press forming.
- Fig. 2 shows a cross section of the bearing holder side of a typical motor case.
- 1 is a motor case obtained by press-forming a surface-treated steel sheet, and 2 is formed by machining at the end of this motor case 1.
- Bearing holder part 3, 3 is held in this bearing holder part 2-
- a fixed bearing (bearing member) 4 is a motor rotating shaft that is rotatably supported by the bearing 3, and 5 is a washer.
- the contact angle of the lubricant to the surface of the protective coating (A) is reduced by plastic working. Therefore, the contact angle of the lubricating oil with respect to the surface of the protective coating (A) after plastic processing of the surface-treated steel sheet at a stretch ratio of 20% is also 10 ° or more, preferably 15 ° or more, more preferably 25 °. It is desirable to set it above.
- the contact angle of the lubricating oil with respect to the surface of the protective coating (A) is preferably less than 90 °.
- microcracks present on the surface of the protective coating (A) also affect the wettability of the lubricating oil, and excellent oil wetting and spreading resistance can be obtained only by controlling the contact angle of the lubricating oil described above. It was found that better oil wetting and spreading properties can be obtained by regulating the generation density of small cracks. This is thought to be because the microcracks promote the wetting and spreading of the lubricating oil by the action of the yarn field.
- the generation density of cracks existing on the surface of the anti-fouling coating (A) is 200 or less per 100 ⁇ m, more preferably 15 or less, and even more preferably 100 or less.
- the generation density of cracks is measured by using an electron microscope, for example, by observing the surface of the surface-treated steel sheet at an acceleration voltage of 5 kV and 200,000 times and counting the number of cracks per 100 ⁇ . .
- an electron microscope for example, “JCM-5600” manufactured by JEOL Ltd. can be used.
- the crack generation density on the surface of the protective coating (A) should also be 20 or less per ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ , more preferably 1550 or less, and even more preferably 100 or less.
- the surface-treated steel sheet of the present invention may have one or more undercoat films (for example, a chemical conversion film) under the antifouling film.
- the surface-treated steel sheet of the present invention can be used for an appropriate application, but particularly for parts having a bearing holder portion for holding a bearing (slide bearing), in particular, a motor case as shown in FIG. It is suitable for use.
- the surface of the protective coating (A) is on the inner surface side of the case.
- the surface-treated steel sheet is processed by press forming and formed into a motor case as shown in Fig. 2.
- the surface-treated steel sheet of the present invention adheres a surface treatment liquid (surface treatment composition) for an anti-fouling film to the surface of a zinc-based plated steel sheet (including the case where a base film is formed), and is heated and dried. It is manufactured by forming a protective film.
- the surface treatment liquid is mainly composed of an organic component and / or an inorganic component for imparting antifouling performance to the film, and the type and additive components can be used as long as they can form an antifouling film satisfying the conditions of the present invention.
- examples of means for ensuring the contact angle of the lubricating oil satisfying the conditions of the present invention include: (i) surfactant, (ii) fine particles having a particle diameter of 0.05 to 5 / im. (Iii) Fluorine-based resin, or one or more components selected from among them may be added.
- surfactant examples include ionic surfactants, nonionic surfactants, and amphoteric surfactants, and one or more of these can be used.
- Examples of the fine particles having a particle diameter of 0.05 to 5 ⁇ m include polyolefin wax such as polyethylene wax and polypropylene wax, lanolin wax, montan wax, microcrystalline wax, paraffin wax, and powerful Napa wax. One or more of these can be used.
- the fluororesin is a resin obtained by polymerization of ethylene and derivatives thereof in which one or more hydrogen atoms are substituted with fluorine.
- ETFE tetrafluoroethylene 'ethylene copolymer resin
- FEP tetrafluoroethylene and hexafluoropropylene
- FEP tetrafluoroethylene and hexafluoropropylene
- the amount of one or more additional components selected from (i) a surfactant, (ii) fine particles having a particle diameter of 0.05 to 5 ⁇ , and (iii) a fluororesin is a surface treatment.
- the ratio of solid content in the liquid is 0.1 to 20 mass%, more preferably 0.5 to 15 mass%, and even more preferably:! Appropriately about 1 O mass%. If the blending amount is less than 0.1 mass%, the oil-wetting spreadability may be insufficient, while if it exceeds 20 ma SS %, the corrosion resistance may be deteriorated.
- the film thickness of the protective film should be reduced to 3 ⁇ .
- the following is preferable. If it exceeds 3 ⁇ , cracks are likely to be introduced due to residual stress in the film.
- the film thickness is more preferably 1.5 ⁇ or less, and particularly preferably 0.8 / im or less.
- the antifouling film of the present invention is obtained by adhering the surface treatment liquid as described above to the surface of the zinc-based steel plate (or the surface of the base film) by, for example, a coating method, a dipping method, or a spray method, and then drying by heating. It is formed by drying.
- a heating and drying means a dryer, a hot air furnace, a high frequency induction heating furnace, an infrared furnace, or the like can be used.
- the drying temperature is equal to or higher than the softening point of the solid lubricant because the surface free energy of the antifouling film can be further reduced.
- Example Surface treatment solution by appropriately blending anti-mold treatment liquid mainly composed of silica, silane coupling agent and acrylic resin with surfactant shown in Table 2, fine particles shown in Table 3, and fluorine-based resin shown in Table 4. Was prepared.
- the surface treatment solution is applied with a bar coater. Heat drying to reach a predetermined temperature in a few dozen seconds to form a surface treatment film (anti-mold film).
- the film thickness of the surface treatment film was adjusted by the concentration of the surface treatment solution, and the film thickness was quantified by observing the film breakage with an electron microscope.
- the measurement of the contact angle of the lubricating oil to the coating surface and the crack generation density on the coating surface, and the evaluation of oil resistance and wet spreading were performed as follows. These measurements and evaluations were carried out for test materials that were not subjected to plastic working (unprocessed materials) and test materials that were subjected to plastic processing (plastic processed materials). In the plastic working, the surface-treated steel sheet was stretched at a stretching speed of 1 Omm / m i ⁇ and a stretching ratio of 20% using an electronic universal testing machine (“C ATY” manufactured by YONEKURA Co., Ltd.).
- the lubricating oil for contact angle measurement the kinematic viscosity at 40 ° C 51 ⁇ 69mm 2 Zs, 100 ° kinematic viscosity 1 1. 1-14 in C. 9 mm 2 Zs lubricant (NOK Kluber ( "AL L TIME J 652") manufactured by the same company) was used.
- NOK Kluber "AL L TIME J 652" manufactured by the same company
- droplets are formed on the surface of a 30 ° C test material (surface-treated steel plate), and the contact angle is continuously measured using a contact angle meter (“Drop Master 500” manufactured by Kyowa Interface Science Co., Ltd.). The value measured 30 seconds after the formation of the droplet was taken as the contact angle.
- ⁇ Bleeding spread height 0.5 cm or more, less than 1.0 cm
- ⁇ 1 Bleeding spread height 1.0 cm or more ⁇ 1-5 cm or less
- the surface-treated steel sheet according to the present invention has excellent resistance to oil wetting and spreads. Therefore, when applied to a part having a bearing holder part for holding a bearing such as a motor case, the lubricating oil in the bearing part is insufficient. Such seepage of the lubricating oil can be effectively suppressed. Therefore, when applied to a motor case, smooth sliding of the rotating shaft with respect to the bearing can be secured for a long time, and motor vibration and noise can be reduced and the life can be extended.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Lubricants (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020107000474A KR101146830B1 (ko) | 2007-07-31 | 2008-07-30 | 내 오일-젖음확산성이 우수한 표면처리강판 |
CN200880101216XA CN101772593B (zh) | 2007-07-31 | 2008-07-30 | 耐油润湿扩散性出色的表面处理钢板 |
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JP2007-199065 | 2007-07-31 | ||
JP2007199065A JP5205845B2 (ja) | 2007-07-31 | 2007-07-31 | 耐油ぬれ拡がり性に優れた表面処理鋼板 |
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WO2009017249A1 true WO2009017249A1 (ja) | 2009-02-05 |
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JP (1) | JP5205845B2 (ja) |
KR (1) | KR101146830B1 (ja) |
CN (1) | CN101772593B (ja) |
TW (1) | TWI447266B (ja) |
WO (1) | WO2009017249A1 (ja) |
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JP2003003278A (ja) * | 2001-03-30 | 2003-01-08 | Nippon Steel Corp | 連続成形性に優れたアルカリ可溶型潤滑表面処理金属製品 |
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CA2442748C (en) * | 2001-03-30 | 2011-05-31 | Nippon Steel Corporation | Alkali-soluble-film surface-lubricated metal product excellent in moldability and long-term stable film-removability independent of film drying temperature |
KR100608137B1 (ko) * | 2002-03-06 | 2006-08-02 | 제이에프이 스틸 가부시키가이샤 | 표면처리 강판 및 그 제조방법 |
JP4500113B2 (ja) * | 2003-06-16 | 2010-07-14 | Jfeスチール株式会社 | 高耐食性表面処理鋼板及びその製造方法 |
CA2527690C (en) * | 2003-11-21 | 2011-01-25 | Jfe Steel Corporation | Surface-treated steel sheet excellent in corrosion resistance, conductivity, and coating appearance |
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2007
- 2007-07-31 JP JP2007199065A patent/JP5205845B2/ja active Active
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2008
- 2008-07-30 WO PCT/JP2008/064074 patent/WO2009017249A1/ja active Application Filing
- 2008-07-30 CN CN200880101216XA patent/CN101772593B/zh active Active
- 2008-07-30 KR KR1020107000474A patent/KR101146830B1/ko active IP Right Grant
- 2008-07-31 TW TW097128971A patent/TWI447266B/zh active
Patent Citations (4)
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JP2003003278A (ja) * | 2001-03-30 | 2003-01-08 | Nippon Steel Corp | 連続成形性に優れたアルカリ可溶型潤滑表面処理金属製品 |
JP2004202534A (ja) * | 2002-12-25 | 2004-07-22 | Sanyo Electric Co Ltd | プレス成形法 |
JP2004286080A (ja) * | 2003-03-20 | 2004-10-14 | Mitsubishi Electric Corp | 電動機の軸受用潤滑油の封止構造 |
JP2006129558A (ja) * | 2004-10-26 | 2006-05-18 | Mitsubishi Electric Corp | 回転電機 |
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JP5205845B2 (ja) | 2013-06-05 |
KR20100028633A (ko) | 2010-03-12 |
TW200923128A (en) | 2009-06-01 |
TWI447266B (zh) | 2014-08-01 |
KR101146830B1 (ko) | 2012-05-21 |
JP2009035758A (ja) | 2009-02-19 |
CN101772593A (zh) | 2010-07-07 |
CN101772593B (zh) | 2012-08-29 |
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