CN102146960B - High-speed and high-precision two-row mixed ceramic cylindrical roller bearing - Google Patents

High-speed and high-precision two-row mixed ceramic cylindrical roller bearing Download PDF

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Publication number
CN102146960B
CN102146960B CN201110106818.8A CN201110106818A CN102146960B CN 102146960 B CN102146960 B CN 102146960B CN 201110106818 A CN201110106818 A CN 201110106818A CN 102146960 B CN102146960 B CN 102146960B
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inner ring
speed
cylindrical roller
outer ring
rows
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CN102146960A (en
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范雨晴
马莹
王东峰
李献会
张伟
何灵辉
周海波
仝楠
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Luoyang Bearing Research Institute Co Ltd
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Luoyang Bearing Science and Technology Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

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Abstract

本发明涉及滚动轴承技术领域，公开一种高速精密双列混合陶瓷圆柱滚子轴承，包括：外圈（1）、内圈（2）、两排圆柱滚子（3）及两片保持架（4），所述外圈（1）的内滚道通过两排圆柱滚子（3）连接内圈（2）的外滚道构成；所述两排圆柱滚子（3）的外侧采用自润滑性能的黄铜或塑料制作成型的保持架（4）；用于对低摩擦系数和耐摩的状态下使用；所述塑料制作成型的保持架（4）采用PPS树脂或尼龙66制作成型；本发明具有高速性能好、刚度高、摩擦发热低的优点。可显著提高大型数控机床的转速、刚性、可靠性和生产效率，并极大地减少主轴的摩擦发热、延长机床主机的使用寿命。

The invention relates to the technical field of rolling bearings, and discloses a high-speed precision double-row hybrid ceramic cylindrical roller bearing, comprising: an outer ring (1), an inner ring (2), two rows of cylindrical rollers (3) and two cages (4 ), the inner raceway of the outer ring (1) is formed by connecting two rows of cylindrical rollers (3) to the outer raceway of the inner ring (2); the outer sides of the two rows of cylindrical rollers (3) adopt self-lubricating properties The molded cage (4) is made of brass or plastic; it is used in the state of low friction coefficient and anti-friction; the plastic molded cage (4) is made of PPS resin or nylon 66; the present invention has It has the advantages of good high-speed performance, high rigidity, and low friction and heat generation. It can significantly improve the speed, rigidity, reliability and production efficiency of large CNC machine tools, greatly reduce the friction and heat of the spindle, and prolong the service life of the machine tool host.

Description

高速精密双列混合陶瓷圆柱滚子轴承High Speed Precision Double Row Hybrid Ceramic Cylindrical Roller Bearings

技术领域 technical field

本发明涉及滚动轴承技术领域，尤其涉及一种高速精密双列混合陶瓷圆柱滚子轴承。 The invention relates to the technical field of rolling bearings, in particular to a high-speed precision double-row hybrid ceramic cylindrical roller bearing.

背景技术 Background technique

    普通双列圆柱滚子轴承内外圈和圆柱滚子都是由高碳铬轴承钢制造，常用于重载、低速的工作场合，但随着数控机床的发展，某些大型机床除了要求重载、耐冲击力，还要求较高的速度和刚度以及较低的温升，此时高碳铬轴承钢制造的双列圆柱滚子轴承就不能满足主机的配套要求。 The inner and outer rings and cylindrical rollers of ordinary double-row cylindrical roller bearings are made of high-carbon chromium bearing steel, which are often used in heavy-duty, low-speed workplaces. Impact resistance also requires higher speed and rigidity and lower temperature rise. At this time, double-row cylindrical roller bearings made of high-carbon chromium bearing steel cannot meet the supporting requirements of the main engine.

发明内容 Contents of the invention

    为了解决普通钢制双列圆柱滚子轴承存在速度低、刚度低的问题，不适宜在较高的速度和刚度以及较低的温升场合工作，本发明提供一种高速精密双列混合陶瓷圆柱滚子轴承。能够显著的提高大型机床的转速、刚性、可靠性和生产效率，并极大地减少主轴的摩擦发热、延长大型机床的主机使用寿命。 In order to solve the problems of low speed and low rigidity of ordinary steel double-row cylindrical roller bearings, which are not suitable for working at high speed and rigidity and low temperature rise, the present invention provides a high-speed precision double-row hybrid ceramic cylinder roller bearings. It can significantly improve the speed, rigidity, reliability and production efficiency of large machine tools, greatly reduce the friction and heat of the main shaft, and prolong the service life of the main machine of large machine tools.

为实现上述的发明目的，本发明采用如下技术方案： For realizing above-mentioned purpose of the invention, the present invention adopts following technical scheme:

一种高速精密双列混合陶瓷圆柱滚子轴承，包括：外圈、内圈、两排圆柱滚子及两片保持架，所述两排圆柱滚子的外侧采用自润滑性能的黄铜制作成型的保持架所述两排圆柱滚子的外侧两片保持架或者采用自润滑性能的塑料制作成型的保持架；用于对低摩擦系数和耐摩的状态下使用；所述塑料制作成型的保持架采用PPS树脂或尼龙66制作成型；所述外圈的内滚道通过两排圆柱滚子连接内圈的外滚道构成； A high-speed precision double-row hybrid ceramic cylindrical roller bearing, including: an outer ring, an inner ring, two rows of cylindrical rollers and two cages, the outer sides of the two rows of cylindrical rollers are made of self-lubricating brass The outer two-piece cage of the two rows of cylindrical rollers or the molded cage made of self-lubricating plastic; it is used in the state of low friction coefficient and anti-friction; the molded cage made of the plastic It is made of PPS resin or nylon 66; the inner raceway of the outer ring is formed by connecting the outer raceway of the inner ring with two rows of cylindrical rollers;

所述外圈和内圈的材质采用GCr15、GCr9、GCr15SiMn； The material of the outer ring and the inner ring is GCr15, GCr9, GCr15SiMn;

所述圆柱滚子采用刚度大、高速性能好的陶瓷材料制作成型，所述陶瓷材料为氮化硅陶瓷材料； The cylindrical roller is made of a ceramic material with high rigidity and good high-speed performance, and the ceramic material is a silicon nitride ceramic material;

其中，所述轴承的内圈内孔为直孔或为圆锥孔。 Wherein, the inner hole of the inner ring of the bearing is a straight hole or a conical hole.

由于采用了上述技术方案，本发明具有如下有益效果： Owing to adopting above-mentioned technical scheme, the present invention has following beneficial effect:

    一种高速精密双列混合陶瓷圆柱滚子轴承，与钢制双列圆柱滚子轴承相比，具有高速性能好、刚度高、摩擦发热低等优点。可显著的提高大型数控机床的转速、刚性、可靠性和生产效率，并极大地减少主轴的摩擦发热、延长机床主机的使用寿命。 A high-speed precision double-row hybrid ceramic cylindrical roller bearing, compared with steel double-row cylindrical roller bearings, has the advantages of good high-speed performance, high rigidity, and low friction and heat generation. It can significantly improve the speed, rigidity, reliability and production efficiency of large CNC machine tools, greatly reduce the friction and heat of the spindle, and prolong the service life of the machine tool host.

附图说明 Description of drawings

图1是高速精密双列混合陶瓷圆柱滚子轴承内圈双挡边的结构示意图。 Figure 1 is a schematic diagram of the structure of the double ribs of the inner ring of the high-speed precision double-row hybrid ceramic cylindrical roller bearing.

图2是高速精密双列混合陶瓷圆柱滚子轴承外圈双挡边的结构示意图。 Fig. 2 is a schematic structural diagram of double ribs on the outer ring of a high-speed precision double-row hybrid ceramic cylindrical roller bearing.

图中：1—外圈；2—内圈；3—圆柱滚子；4—保持架。 In the figure: 1—outer ring; 2—inner ring; 3—cylindrical roller; 4—cage.

具体实施方式 Detailed ways

如图1、图2所示，一种高速精密双列混合陶瓷圆柱滚子轴承，包括：外圈、内圈、两排圆柱滚子及两片保持架，所述外圈的内滚道通过两排圆柱滚子连接内圈的外滚道构成； As shown in Figure 1 and Figure 2, a high-speed precision double-row hybrid ceramic cylindrical roller bearing includes: an outer ring, an inner ring, two rows of cylindrical rollers and two cages, and the inner raceway of the outer ring passes through Two rows of cylindrical rollers are connected to the outer raceway of the inner ring;

所述两排圆柱滚子的外侧采用自润滑性能的黄铜或塑料制作成型的保持架；自润滑性能指优良的滑动特性，适合于对低摩擦系数和耐摩耗要求严格的情况下使用，所述塑料保持架采用PPS树脂或尼龙66制作成型。 The outer sides of the two rows of cylindrical rollers are made of self-lubricating brass or plastic cages; self-lubricating performance refers to excellent sliding characteristics, which are suitable for use under strict requirements for low friction coefficient and wear resistance. The above plastic cage is made of PPS resin or nylon 66.

所述外圈和内圈的材质采用硬度高的轴承钢；如GCr15、GCr9、GCr15SiMn等。 The outer ring and the inner ring are made of high hardness bearing steel such as GCr15, GCr9, GCr15SiMn and the like.

所述圆柱滚子采用刚度大、高速性能好的陶瓷材料制作成型，所述陶瓷材料为刚度大的氮化硅陶瓷材料；所述轴承的内圈为直孔或轴承的内圈为圆锥孔。 The cylindrical roller is made of ceramic material with high rigidity and good high-speed performance, and the ceramic material is silicon nitride ceramic material with high rigidity; the inner ring of the bearing is a straight hole or the inner ring of the bearing is a tapered hole.

使用时，高速精密双列混合陶瓷圆柱滚子轴承由一个外圈(1)、一个内圈(2)、两排圆柱滚子(3)和两片保持架 (4)组成。外圈(1)和内圈(2) 的材料均采用硬度高的轴承钢，便于加工出高精密的滚道。圆柱滚子的材料采用陶瓷。保持架（4）的材料采用有自润滑性能的黄铜或塑料。所述的高速精密双列混合陶瓷圆柱滚子轴承，该轴承的内径可以是直孔也可以为圆锥孔。 When in use, the high-speed precision double-row hybrid ceramic cylindrical roller bearing consists of an outer ring (1), an inner ring (2), two rows of cylindrical rollers (3) and two cages (4). Both the outer ring (1) and the inner ring (2) are made of high-hardness bearing steel, which facilitates machining of high-precision raceways. The material of the cylindrical rollers is ceramic. The material of the cage (4) is brass or plastic with self-lubricating properties. In the high-speed precision double-row hybrid ceramic cylindrical roller bearing, the inner diameter of the bearing can be a straight hole or a tapered hole.

在轴承工作过程中，外圈（1）不动，内圈(2)带动圆柱滚子(3)和保持架(4)一起绕轴承中心线旋转，圆柱滚子(3)在轴承高速旋转过程中既公转又自转。 During the working process of the bearing, the outer ring (1) does not move, and the inner ring (2) drives the cylindrical roller (3) and the cage (4) to rotate around the center line of the bearing together, and the cylindrical roller (3) rotates at high speed in the bearing In both revolution and rotation.

Claims (1)

1. a high-speed precise double-row mixing ceramic roller bearing, comprise: outer ring (1), inner ring (2), two row cylinder rollers (3) and two retainers (4), the outside of described two row cylinder rollers (3) adopts the brass of self-lubricating property to make the retainer (4) of moulding; It is characterized in that: the retainer (4) of the plastic production moulding of two, the outside retainer of described two row cylinder rollers (3) or employing self-lubricating property; Be used for using under the state of low coefficient of friction and antifriction; The retainer of described plastic production moulding (4) adopts PPS resin or nylon 66 to make moulding; The outer raceway that the interior raceway of described outer ring (1) connects inner ring (2) by two row cylinder rollers (3) forms;
The material of described outer ring (1) and inner ring (2) adopts GCr15, GCr9, GCr15SiMn;
Described cylindrical roller (3) adopts the ceramic material moulding that rigidity is large, high speed performance is good, and described stupalith is silicon nitride ceramic material;
Wherein, the inner ring of described bearing (2) endoporus is straight hole or is conical bore.
CN201110106818.8A 2011-04-27 2011-04-27 High-speed and high-precision two-row mixed ceramic cylindrical roller bearing Active CN102146960B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102146960B (en) * 2011-04-27 2014-07-16 洛阳轴研科技股份有限公司 High-speed and high-precision two-row mixed ceramic cylindrical roller bearing
CN102444663A (en) * 2011-12-30 2012-05-09 瓦房店轴承集团有限责任公司 Novel high-speed high-rigidity angular contact ball assembly bearing for machine tool spindle
CN103277408A (en) * 2013-05-28 2013-09-04 哈尔滨新哈精密轴承股份有限公司 High-precision double-row cylindrical roller bearing

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CN101169158A (en) * 2006-10-25 2008-04-30 中机洛阳轴承科技有限公司 Light narrow series with solid cage type double row spherical roller bearings
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CN101672326A (en) * 2009-09-08 2010-03-17 黄若 Hybrid ceramic ball bearing on turbocharger and design method thereof
DE102009031625A1 (en) * 2009-07-03 2011-01-27 Aktiebolaget Skf Roller bearing arrangement for use in motor vehicle wheel hub, has inner ring molded by metallic inner supporting body and/or outer ring molded by metallic outer supporting body for attachment
CN102146960A (en) * 2011-04-27 2011-08-10 洛阳轴研科技股份有限公司 High-speed and high-precision two-row mixed ceramic cylindrical roller bearing

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Publication number Priority date Publication date Assignee Title
JP2001254183A (en) * 2000-03-10 2001-09-18 Ntn Corp Chemical conversion coating film
CN101169158A (en) * 2006-10-25 2008-04-30 中机洛阳轴承科技有限公司 Light narrow series with solid cage type double row spherical roller bearings
CN201220986Y (en) * 2008-05-21 2009-04-15 上海人本集团有限公司 High speed air spinning cup bearing
DE102009031625A1 (en) * 2009-07-03 2011-01-27 Aktiebolaget Skf Roller bearing arrangement for use in motor vehicle wheel hub, has inner ring molded by metallic inner supporting body and/or outer ring molded by metallic outer supporting body for attachment
CN101672326A (en) * 2009-09-08 2010-03-17 黄若 Hybrid ceramic ball bearing on turbocharger and design method thereof
CN102146960A (en) * 2011-04-27 2011-08-10 洛阳轴研科技股份有限公司 High-speed and high-precision two-row mixed ceramic cylindrical roller bearing

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Effective date of registration: 20180509

Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan

Patentee after: Luoyang Bearing Research Institute

Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan.

Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang