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31.发明专利
公开(公告)号：JP2007100127A
公开(公告)日：2007-04-19
申请号：JP2005288016
申请日：2005-09-30
Inventor： HAMADA HIROSHI , MATSUBARA YUKIO , MAEDA KIKUO
IPC: C21D9/40 , C21D1/06 , C22C38/00 , C22C38/24 , C22C38/46 , F16C19/06 , F16C19/28 , F16C33/32 , F16C33/34 , F16C33/62 , F16C33/64
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a rolling member, the rolling member and a rolling bearing, wherein a rolling fatigue service life, especially under severe circumference, such as high contacting surface pressure, is improved. SOLUTION: The method for producing the rolling member includes: a forming member preparing process for preparing the forming member composed of a steel containing by mass% of 0.6-1.2% carbon, 0.15-1% silicon, 0.3-1.5% manganese, 0.1-2% chromium and 0.1-2% vanadium; a carbo-nitriding process for carbo-nitriding the formed member at the temperature of A 1 point or higher; a first cooling process for cooling the formed member to the lower temperature than the A 1 point; a heating process for heating the formed member to the temperature of the A 1 point or higher and the lower temperature than the carbo-nitriding temperature; and a second cooling process for cooling the temperature of M s point or lower from the temperature of the A 1 point or higher. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题提供一种滚动体的制造方法，滚动体和滚动轴承，其特征在于在接触面压力高的严格的周长下的滚动疲劳寿命得到改善。 解决方案：轧制构件的制造方法包括：成形构件的制备方法，该方法用于制备由含有质量％为0.6-1.2％的碳，0.15-1％的硅，0.3-1.5％的锰， ，0.1-2％铬和0.1-2％钒; 在氮气1℃或更高的温度下对形成的构件进行碳氮化的碳氮化方法; 用于将形成的构件冷却到比A
1 点低的温度的第一冷却过程; 用于将成形部件加热至A-SB> 1℃以上的温度和比碳氮化温度低的加热方法; 以及用于从A 1 点以上的温度冷却M s 点以下的温度的第二冷却工序。 版权所有（C）2007，JPO＆INPIT -
公开(公告)号：JP2006206929A
公开(公告)日：2006-08-10
申请号：JP2005016809
申请日：2005-01-25
Inventor： MAEDA KIKUO
CPC classification number: Y02P10/253
Abstract: PROBLEM TO BE SOLVED: To provide a thin orbital member capable of composing a low cost bearing having a long service life and excellent toughness, and to provide a bearing provided with the thin orbital member for a bearing. SOLUTION: In an orbital board 11 which is used after being subjected to quench hardening, and in which the thickness of the part composing each rolling contact surface 11A as the surface in contact with a rolling element 12 of a thrust roller bearing 1 is ≤3 mm, the content of hydrogen in the orbital board 11 is ≤0.3 ppm, and also, the hardness in the surface of the part in contact with the rolling element 12 of the rolling contact surface 11A is ≥700 HV. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种能够构成具有长寿命和优异韧性的低成本轴承的薄轨道构件，并且提供一种设置有用于轴承的薄轨道构件的轴承。 解决方案：在经过淬火硬化后使用的轨道板11中，其中构成每个滚动接触表面11A的部分的厚度作为与推力滚子轴承1的滚动元件12接触的表面 ≤3mm时，轨道板11中的氢含量≤0.3ppm，与滚动体接触面11A的滚动体12接触的部分的表面硬度也高于700HV。 版权所有（C）2006，JPO＆NCIPI
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33.发明专利
公开(公告)号：JP2006089795A
公开(公告)日：2006-04-06
申请号：JP2004275357
申请日：2004-09-22
Inventor： MAEDA KIKUO , KATAOKA HIROKI
IPC: C21D9/40 , C21D1/10 , C22C38/00 , F16C19/26 , F16C19/28 , F16C19/30 , F16C19/46 , F16C19/48 , F16C33/62 , F16C33/64
CPC classification number: F16C33/64 , F16C19/30 , F16C19/463 , F16C19/48
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing race ring having uniform hardness and its producing method, and a rolling bearing having the rolling bearing race ring with which warping and deformation at the heat treatment can be restrained. SOLUTION: The producing method of the rolling bearing race ring, is as follows, by which after heating the race ring 1 in a thrust needle roller bearing while pressing with dies 12a, 12b, lower bainite is generated by cooling with the dies 12a, 12b as a cooling medium to carry out an isothermal transformation to this race ring. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供具有均匀硬度的滚动轴承座圈及其制造方法，以及具有能够抑制热处理时的翘曲变形的滚动轴承座圈的滚动轴承。 解决方案：滚动轴承座圈的制造方法如下，在用模具12a，12b挤压的同时在推力滚针轴承中加热座圈1之后，通过用模具冷却产生下贝氏体 12a，12b作为冷却介质，以进行到该赛环的等温转变。 版权所有（C）2006，JPO＆NCIPI
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34.发明专利
公开(公告)号：JP2005169475A
公开(公告)日：2005-06-30
申请号：JP2003414967
申请日：2003-12-12
Inventor： MAEDA KIKUO , SASABE MITSUO
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a thin-walled component free from warpage and deformation in heat treatment, and having a uniform and high toughness, and also to provide a bearing raceway ring and a thrust needle roller bearing.
SOLUTION: The method for manufacturing the roller bearing raceway ring is characterized in that the thin-walled component 1 is heated, and subjected to either quenching or isothermal transformation treatment by use of dies 12a and 12b as cooling media, while the component 1 is being pressed with those dies.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：提供一种在热处理中没有翘曲和变形的薄壁部件的制造方法，并且具有均匀和高韧性，并且还提供轴承滚道环和推力滚针轴承 。 解决方案：制造滚子轴承滚道环的方法的特征在于，薄壁部件1被加热，并且通过使用模具12a和12b作为冷却介质进行淬火或等温转变处理，而组分 1被这些模具压。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2005133922A
公开(公告)日：2005-05-26
申请号：JP2004012179
申请日：2004-01-20
Inventor： OKI TSUTOMU , MAEDA KIKUO
Abstract: PROBLEM TO BE SOLVED: To provide a steel machine part that has high breaking resistance and dimensional stability and is excellent in rolling fatigue life.
SOLUTION: In the rolling bearing 10 having an outer ring 1, an inner ring 2 and a plurality of rolling elements 3, at least one member of the outer ring 1, the inner ring 2 and the rolling elements 3 lies in the range where the grain size number of austenite crystal grain exceeds 10 and has hardness of 700 Hv or more.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：提供一种具有高抗破坏性和尺寸稳定性并且具有优异的滚动疲劳寿命的钢机部件。 解决方案：在具有外圈1，内圈2和多个滚动元件3的滚动轴承10中，外圈1，内圈2和滚动元件3中的至少一个构件位于 奥氏体晶粒的晶粒数超过10，硬度为700Hv以上的范围。 版权所有（C）2005，JPO＆NCIPI
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Patent Agency Ranking
公开(公告)号：JP2005114146A
公开(公告)日：2005-04-28
申请号：JP2003352990
申请日：2003-10-10
Inventor： OKI TSUTOMU , MAEDA KIKUO
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing having high cracking strength resistance and dimensional stability and superior rolling fatigue life.
SOLUTION: The rolling bearing 10 comprises an outer ring 1, an inner ring 2, a plurality of rolling bodies 3. At least one member of the outer ring 1, the inner ring 2 and the rolling body 3 has a nitrogen enriched layer and the amount of residual austenite in a range of 11-25%.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：提供具有高抗裂性和尺寸稳定性以及优异的滚动疲劳寿命的滚动轴承。 解决方案：滚动轴承10包括外圈1，内圈2，多个滚动体3.外圈1，内圈2和滚动体3的至少一个构件具有富氮 层和残余奥氏体的量在11-25％的范围内。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2005113216A
公开(公告)日：2005-04-28
申请号：JP2003349678
申请日：2003-10-08
Inventor： NAKAJIMA HIROKAZU , MAEDA KIKUO
Abstract: PROBLEM TO BE SOLVED: To strictly control the heating temperature at a secondary heat treatment time, in the heat treatment system in which a nitrogen-rich layer is formed in primary heat treatment and quenching is applied in the secondary heat treatment, at a lower temperature than the heating temperature in the primary heat treatment.
SOLUTION: In a primary heat treatment apparatus 1, after heating bearing parts to the temperature exceeding A
1 transformation point with a heating machine 11, the nitrogen-rich layer is formed on the surfaces of the bearing parts by cooling them lower than the A
1 transformation point. Successively, the bearing parts are shifted into a secondary heat treatment apparatus 2, and after heating to the temperature exceeding the A
1 transformation point and lower than a primary quenching temperature, the parts are cooled lower than the A
1 transformation point. The heating and the cooling in the secondary heat treatment apparatus 2, are performed in a hot-bath.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：为了在二次热处理时间严格控制加热温度，在二次热处理中，在一次热处理中形成富氮层的热处理系统中进行淬火，在 比一次热处理中的加热温度低。 解决方案：在一次热处理装置1中，通过加热机11将轴承部件加热到超过A
1 相变点的温度后，富氮层形成在 通过将其冷却到低于A 1 转变点的方式承载部件。 接着，将轴承部件移动到二次热处理装置2中，在加热到超过A 1 相变点并低于初级淬火温度的温度后，将部件冷却至低于A 1 转换点。 二次热处理装置2的加热和冷却在热水浴中进行。 版权所有（C）2005，JPO＆NCIPI -
公开(公告)号：JP2004316930A
公开(公告)日：2004-11-11
申请号：JP2004225968
申请日：2004-08-02
Inventor： TAMADA KENJI , MAEDA KIKUO , KAWAMURA TOMOAKI , SASABE MITSUO
CPC classification number: F16C33/48 , F16C19/30 , F16C33/4635 , F16C33/547 , F16C2240/50
Abstract: PROBLEM TO BE SOLVED: To provide a thrust roller bearing for a car air-conditioner compressor, having improved exfoliation resistant life by reducing differential slippage and edge load under severe lubricating oil circumstances where lubricating oil is mixed into hydrochlorofluorocarbon base refrigerant.
SOLUTION: The thrust roller bearing for the car air-conditioner compressor is incorporated in a cooling-cycle compressor of a car air-conditioner in which lubricating oil mixed refrigerant formed by mixing lubricating oil in hydrochlorofluorocarbon base refrigerant for functioning in place of chlorofluorocarbon is circulated. It comprises rollers 2 and a cage 3 for holding the rollers. The rollers are arranged in double row and the double row rollers are all crowned rollers.
COPYRIGHT: (C)2005,JPO&NCIPI-
公开(公告)号：JP2004100605A
公开(公告)日：2004-04-02
申请号：JP2002264681
申请日：2002-09-10
Inventor： MAEDA KIKUO
CPC classification number: F16C33/62 , F16C19/466 , F16C2360/18
Abstract: PROBLEM TO BE SOLVED: To provide a rocker arm where no indentation is generated easily on the rolling face of a bearing outer ring that becomes a cam follower, and to provide the bearing of the rocker arm. SOLUTION: In an arm body 4 that can be freely rocked, an operation section 14 for operating the valve of an internal combustion engine and a rolling bearing 10 where an outer ring 22 becomes the cam follower are provided. The rolling bearing 10 comprises a roller support shaft 21 mounted to the arm body 4; the outer ring 22; and a plurality of needle-shaped rollers 23. With the material of the outer ring 22, steel is used as a material, the amount of residual austenite in the steel is set to 12% or less, and the relationship between surface hardness and the amount of residual austenite should satisfy the following expression, namely surface hardness (HV)-10×(amount of residual austenite, %)≥650. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP2003343576A
公开(公告)日：2003-12-03
申请号：JP2002155863
申请日：2002-05-29
Inventor： MAEDA KIKUO , ASO MITSUNARI , HIRATA MASAKAZU
Abstract: PROBLEM TO BE SOLVED: To provide a heat resistant roller bearing with a long life in which, when the roller bearing is intermittently operated under high temperature and high load, a seizure or an imperfect lubrication is not generated, and particularly, an abrasion is decreased under high temperature and high load, and a long- lived low rotating torque is maintained under a low noise level. SOLUTION: In the roller bearing, a plurality of rolling members 4 are provided between an inner ring 1 and an outer ring 2, and the peripheries of the rolling members 4 are filled with lubricating grease. The inner ring 1 and the outer ring 3 are made of an alloy steel material including C of 0.6 to 1.3 mass %, Si of 0.3 to 3.0 mass %, Ni of 0.1 to 3.0 mass %, Mn of 0.2 to 1.5 mass %, and Cr of 0.3 to 5.0 mass %. The grease sealed heat resistant roller bearing has a carbonitriding layer with the hardness of HV725 (HRC61) or higher formed on a surface. Further, the roller bearing is made of a steel material tempered under the high temperature of 250°C or higher and having the hardness of HRC59 or higher. The lubricating grease includes perfluoro polyether oil and synthetic oil as basic oil. The lubricating grease includes particulate fluorine resin and a urea compound as a thickening agent. The rolling members are made of ceramics. COPYRIGHT: (C)2004,JPO
Abstract translation: 要解决的问题：提供一种寿命长的耐热滚子轴承，其中当滚子轴承在高温高负载下间歇运转时，不会产生卡塞或不完美的润滑，特别是， 磨损在高温高负荷下降低，并且在低噪声水平下保持长寿命的低转矩。 解决方案：在滚子轴承中，在内圈1和外圈2之间设置有多个滚动构件4，并且滚动构件4的周边填充有润滑脂。 内圈1和外圈3由含有0.6〜1.3质量％的C，0.3〜3.0质量％的Si，0.1〜3.0质量％的Ni，0.2〜1.5质量％的Mn的合金钢材构成， Cr为0.3〜5.0质量％。 润滑脂密封的耐热滚子轴承具有在表面形成的硬度为HV725（HRC61）或更高的碳氮共渗层。 此外，滚子轴承由在高于250℃或更高的温度下回火并具有HRC59或更高硬度的钢材制成。 润滑脂包括全氟聚醚油和合成油作为基础油。 润滑脂包括颗粒状氟树脂和作为增稠剂的尿素化合物。 滚动体由陶瓷制成。 版权所有（C）2004，JPO
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