CN102026825B - 用于形成车轮轴承装置的方法 - Google Patents

用于形成车轮轴承装置的方法 Download PDF

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Publication number
CN102026825B
CN102026825B CN2009801170914A CN200980117091A CN102026825B CN 102026825 B CN102026825 B CN 102026825B CN 2009801170914 A CN2009801170914 A CN 2009801170914A CN 200980117091 A CN200980117091 A CN 200980117091A CN 102026825 B CN102026825 B CN 102026825B
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China
Prior art keywords
wheel
drift
hub wheel
roller
bearing arrangement
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CN2009801170914A
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English (en)
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CN102026825A (zh
Inventor
世良昌
沼本润
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Ntn株式会社
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Priority to JP2008-126058 priority Critical
Priority to JP2008126058A priority patent/JP5261023B2/ja
Application filed by Ntn株式会社 filed Critical Ntn株式会社
Priority to PCT/JP2009/002034 priority patent/WO2009139137A1/ja
Publication of CN102026825A publication Critical patent/CN102026825A/zh
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Publication of CN102026825B publication Critical patent/CN102026825B/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • B21J9/02Special design or construction
    • B21J9/025Special design or construction with rolling or wobbling dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/10Making other particular articles parts of bearings; sleeves; valve seats or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K25/00Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00Hubs
    • B60B27/0005Hubs with ball bearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00Hubs
    • B60B27/0015Hubs for driven wheels
    • B60B27/0021Hubs for driven wheels characterised by torque transmission means from drive axle
    • B60B27/0031Hubs for driven wheels characterised by torque transmission means from drive axle of the axial type, e.g. front teeth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00Hubs
    • B60B27/0015Hubs for driven wheels
    • B60B27/0036Hubs for driven wheels comprising homokinetic joints
    • B60B27/0042Hubs for driven wheels comprising homokinetic joints characterised by the fixation of the homokinetic joint to the hub
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00Hubs
    • B60B27/0078Hubs characterised by the fixation of bearings
    • B60B27/0084Hubs characterised by the fixation of bearings caulking to fix inner race
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00Hubs
    • B60B27/0094Hubs one or more of the bearing races are formed by the hub
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00Hubs
    • B60B27/06Hubs adapted to be fixed on axle
    • B60B27/065Hubs adapted to be fixed on axle characterised by the fixation of the hub to the axle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • B60B35/121Power-transmission from drive shaft to hub
    • B60B35/127Power-transmission from drive shaft to hub using universal joints
    • B60B35/128Power-transmission from drive shaft to hub using universal joints of the homokinetic or constant velocity type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • B60B35/18Arrangement of bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • F16C19/186Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/60Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00Assembling bearings
    • F16C43/04Assembling rolling-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/076Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00Manufacturing methods
    • B60B2310/20Shaping
    • B60B2310/208Shaping by forging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00Manufacturing methods
    • B60B2310/30Manufacturing methods joining
    • B60B2310/305Manufacturing methods joining by screwing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00Manufacturing methods
    • B60B2310/30Manufacturing methods joining
    • B60B2310/3142Manufacturing methods joining by caulking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00Manufacturing methods
    • B60B2310/30Manufacturing methods joining
    • B60B2310/316Manufacturing methods joining by press-fitting, shrink-fitting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00Manufacturing methods
    • B60B2310/50Thermal treatment
    • B60B2310/54Hardening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2360/00Materials; Physical forms thereof
    • B60B2360/10Metallic materials
    • B60B2360/102Steel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2380/00Bearings
    • B60B2380/10Type
    • B60B2380/12Ball bearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2380/00Bearings
    • B60B2380/70Arrangements
    • B60B2380/73Double track
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00Purpose of invention
    • B60B2900/10Reduction of
    • B60B2900/112Costs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/10Road Vehicles
    • B60Y2200/11Passenger cars; Automobiles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00Articles relating to transporting
    • F16C2326/01Parts of vehicles in general
    • F16C2326/02Wheel hubs or castors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22326Attachments to the outer joint member, i.e. attachments to the exterior of the outer joint member or to the shaft of the outer joint member
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49481Wheel making
    • Y10T29/49492Land wheel
    • Y10T29/49533Hub making
    • Y10T29/49535Hub making with assembling
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • YGENERAL 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
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    • YGENERAL 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
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    • Y10T29/49679Anti-friction bearing or component thereof
    • Y10T29/49682Assembling of race and rolling anti-friction members
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Abstract

公开了一种用于形成车轮轴承装置的方法,该车轮轴承装置通过简化旋锻工具而使成本降低,并且通过防止毛刺来提高产品质量。小径台阶部(1b)包括:冲头(28),其中,在塑性加工之前预成形管状部(30),该冲头设置有突出的鼻部(26),其中旋锻工具(25)以15°至35°的倾角(β)抵靠管状部(30),并且该冲头形成有齿(27),该齿用于从鼻部(26)的周缘沿外周部塑性地形成端面花键(19);并包括摆动轴(29),冲头(28)装配在摆动轴(29)上以便不能转动,并且该摆动轴的中心轴线(A)相对于毂环(1)的中心轴线(L)具有4°至6°的倾角(α)。旋锻工具(25)前进到毂环(1)中,并且以预定的成形力将冲头(28)推靠在管状部(30)的端部,另外,由于使与毂环(1)的轴向中心(L)相配的主轴旋转而使旋锻工具(25)以摆动运动方式运动,同时形成端面花键(19)与旋锻部(10)。

Description

用于形成车轮轴承装置的方法
技术领域
[0001] 本发明涉及一种用于形成可旋转地支撑诸如汽车等的车辆的驱动轮的车轮轴承装置的方法,并且更具体地涉及一种用于在被形成为轴承部和等速万向节的可分离单元的车轮轴承装置的毂轮上同时形成敛缝部和端面花键(face-spline)的方法。
背景技术
[0002] 汽车之类的车辆的用于将发动机动力传递到其车轮的动力传递装置,需要吸收在车辆于起伏路上行驶期间由车辆的跳跃和转弯引起的来自车轮的径向和轴向位移以及动力传递装置的力矩变化。因而,插设在动力传递装置的发动机侧和驱动轮侧之间的驱动轴的一端通过滑动式等速万向节与差动齿轮单元相连接,并且该驱动轴的另一端通过包括固定式等速万向节的车轮轴承装置与车轮相连接。
[0003] 近来,考虑到资源节约或环境污染,特别希望改善燃料消耗。为了改善燃料消耗,在其它汽车部件中,尤其希望减轻车轮轴承装置的重量。尽管已提出了关于减轻车轮轴承装置的重量的各种方案,但在汽车的组装现场和维修市场中,通过简化拆装作业来降低成本也是非常重要的因素。
[0004] 在图5中,示出了可满足这些要求的车轮轴承装置的一个代表性示例。该车轮轴承装置形成为包括双列滚动轴承51和等速万向节52的可分离单元。双列滚动轴承51包括:外部件53,该外部件在其内周上一体形成有双列外滚道面53a、53a ;内部件57,该内部件包括毂轮55和内环56,该毂轮55和内环56分别形成有双列内滚道面55a、56a ;以及双列滚珠58、58,该双列滚珠可转动地容纳在外滚道面与内滚道面之间。内部件57的双列内滚道面55a、56a与外部件53的双列外滚道面53a、53a相对布置。毂轮55具有在其一端一体形成的车轮安装凸缘54和从内滚道面55a轴向延伸的圆筒状部55b。内环56压配合在毂轮55的圆筒状部55b上。通过使毂轮55的圆筒状部55b径向向外塑性变形而形成敛缝部59,通过敛缝部59使内环56刚性地轴向固定。端面花键60形成在敛缝部59的内端面上,以传递扭矩。
[0005] 等速万向节52包括外接合部件61、接合内环62、保持架(cage) 63和扭矩传递滚珠64。外接合部件61包括杯形部65以及肩部66,该肩部形成杯形部65的底部,在该底部中形成有内螺纹66a。肩部66的一端面形成有端面花键67,该端面花键67与在敛缝部59的内端面上形成的端面花键60接合,使得来自驱动轴(未示出)的转矩可通过等速万向节52和毂轮55传递到车辆安装凸缘54。
[0006] 紧固螺栓68抒在肩部66的内螺纹66a中,以使端面花键67、60相互压接合,并且使双列滚动轴承51和等速万向节52可分离地结合。因而,可以减小车轮轴承装置的重量和尺寸,并简化其拆装。
[0007] 如图6所示,通过敛缝工具69使得敛缝部59的端面花键60与敛缝部59同时形成。敛缝工具69在其前端形成有锥形构造的引导部70a,并且敛缝工具69包括:心轴70,该心轴适于相对于毂轮55的轴线以倾斜角度布置;内套管71,该内套管在其前端形成有齿71a ;以及外套管72,该外套管具有用于限制敛缝部59径向伸展的限制部72a。卷簧73插设在外套管72与内套管71之间,使得外套管72可相对于内套管71独立移动。
[0008] 通过使毂轮55绕其中心轴线旋转,使得敛缝工具69具有摆动运动。通过敛缝工具69的摆动运动使得毂轮55的圆筒状部55b的端部塑性变形,因而形成敛缝部59。在形成敛缝部59期间,通过将内套管71的齿71a推靠在敛缝部59上,还同时形成端面花键60。
[0009] 现有技术文献
[0010] 专利文献:
[0011] 专利文献1:美国专利N0.4893960发明内容
[0012] 本发明要解决的问题
[0013] 在所述的车轮轴承装置中,由于可通过摆动敛缝使端面花键60与敛缝部59同时形成,因此,可以改善加工性以及减少加工步骤的数量。因此,可以降低制造成本。然而,还存在一些问题,诸如:敛缝工具的金属模复杂,并且因此它们的加工、组装和管理人力增加;毂轮的材料容易进入心轴70与套管71、72之间的间隙中,并且因此产生毛刺,并且分离的毛刺保持在加工部位中,因此降低加工性;以及在敛缝部59和/或端面花键60上产生的毛刺会降低车轮轴承装置的质量。
[0014] 因此,本发明的目的在于提供一种用于形成车轮轴承装置的方法,该方法可以简化敛缝工具,并且因此可以降低制造成本,还防止产生毛刺,并因此改善车轮轴承装置的质
量。
[0015] 解决技术问题的手段
[0016] 为实现本发明的目的,根据第一方面所述的本发明,提供一种用于形成车轮轴承装置的方法,该车轮轴承装置包括:外部件,该外部件在其内周上一体地形成有双列外滚道面;内部件,该内部件包括毂轮和至少一个内环,并且该内部件形成有与所述双列外滚道面相对布置的双列内滚道面,所述毂轮具有在其一端一体地形成的车轮安装凸缘和从所述内滚道面轴向延伸的圆筒状部,并且所述内环压配合在所述毂轮的所述圆筒状部上;双列滚动元件,所述双列滚动元件可滚动地容纳在所述内部件的所述内滚道面和所述外部件的所述外滚道面之间;通过使所述毂轮的所述圆筒状部径向向外塑性变形而形成敛缝部,通过该敛缝部使所述内环刚性地轴向固定;以及用于传递扭矩的端面花键,该端面花键形成在所述敛缝部的端面上,所述方法的特征在于:所述圆筒状部的端部在其塑性变形以形成所述敛缝部之前预成形为圆筒;敛缝工具包括冲头和摆动轴,所述冲头具有鼻部和齿,所述鼻部在所述冲头的底面的中央从该冲头的底面突出,该鼻部适于相对于所述圆筒的内周面以第一倾角抵靠所述圆筒的端部,所述齿绕所述鼻部形成,用于通过使所述敛缝部的所述端面塑性变形而形成所述端面花键,所述冲头刚性地固定在所述摆动轴上,使得所述冲头的相位相对于所述毂轮不移动(shift),并且该摆动轴还具有相对于所述毂轮的中心轴线形成第二倾角的中心轴线;并且通过使所述敛缝工具朝所述毂轮前进、以预定的作用力将所述冲头推靠在所述圆筒的所述端部、并且然后使具有与所述毂轮的所述中心轴线对应的旋转轴线的主轴旋转以使所述敛缝工具进行摆动运动,而在形成所述敛缝部的同时形成所述端面花键。[0017] 在根据第一方面所述的本发明的用于形成车轮轴承装置的方法中,其中,通过使所述毂轮的所述圆筒状部径向向外塑性变形而形成敛缝部,通过该敛缝部使所述内环刚性地轴向固定,并且在所述敛缝部的端面上形成用于传递扭矩的端面花键,由于:所述圆筒状部的所述端部在其塑性变形以形成敛缝部之前预成形为圆筒;敛缝工具包括冲头和摆动轴,所述冲头具有鼻部和齿,所述鼻部在所述冲头的底面的中央从该冲头的底面突出,该鼻部适于相对于所述圆筒的所述内周面以第一倾角抵靠所述圆筒的所述端部,该齿绕所述鼻部形成,用于通过使所述敛缝部的所述端面塑性变形而形成所述端面花键,并且所述冲头刚性地固定在所述摆动轴上,使得所述冲头的相位相对于所述毂轮不移动,并且所述摆动轴还具有相对于所述毂轮的中心轴线形成第二倾角的中心轴线;并且通过使所述敛缝工具朝所述毂轮前进、以预定作用力将所述冲头推靠在所述圆筒的所述端部、并且然后使具有与所述毂轮的所述中心轴线对应的旋转轴线的主轴旋转以使所述敛缝工具进行摆动运动,而在形成所述敛缝部的同时形成所述端面花键,因此,能够简化金属模的结构,并且能够减少金属模的加工、组装和管理步骤的数量以及降低制造成本。因而,能够防止诸如在敛缝部和/或端面花键上产生毛刺以及在作业部位上沉积脱落的毛刺之类的问题,因此,可以提高车轮轴承装置的质量。
[0018] 优选的是,如第二方面中所限定的那样,所述摆动轴的所述中心轴线相对于所述毂轮的所述中心轴线的所述第二倾角被设定在4°至6°的范围内。
[0019] 优选的是,如第三方面中所限定的那样,所述冲头的所述鼻部的所述第一倾角被设定在15°至35°的范围内。
[0020] 还优选的是,如第四方面中所限定的那样,所述冲头通过键而固定到所述摆动轴。
[0021] 优选的是,如第五方面中所限定的那样,所述毂轮竖直地放置在安装有多个定位销(knock-pin)的底座上,使得所述车轮安装凸缘的外侧面接触抵靠所述底座的顶面,所述定位销穿过压配合有所述毂螺栓的孔进行装配,毂螺栓在所述孔中。这使得可以将所述毂轮稳固地固定在 所述底座上,而无需任何其它的紧固装置。
[0022] 优选的是,如第六方面中所限定的那样,在所述圆筒状部的所述圆筒的外周面上形成有环形槽,该环形槽的截面构造具有0.5mm至1.0mm的深度、曲率半径为Ri的内侧圆弧面以及曲率半径为Ro的外侧圆弧面,所述内侧圆弧面的所述曲率半径Ri被设定为小于所述外侧圆弧面的所述曲率半径Ro(Ri ( Ro),并且所述环形槽在这样的区域内延伸,该区域从比与所述内环的所述内滚道面的最大径向端对应的位置还靠内的位置,经由所述内环的倒圆角部,到与所述内滚道面的所述最大径向端对应的位置超出预定距离的位置。这能够使所述圆筒在敛缝过程期间容易变形,并因此能够抑制所述内环因敛缝过程而变形。
[0023] 优选的是,如第七方面中所限定的那样,所述内环的所述倒圆角部在其截面中具有圆弧面,该圆弧面具有预定的曲率半径r I,所述内侧圆弧面的所述曲率半径Ri被设定为大于所述倒圆角部的所述曲率半径rl(rl <Ri)。这使得可以防止所述圆筒因敛缝过程而受损,诸如裂纹,并且防止所述内环变形。
[0024] 本发明的效果
[0025] 根据用于形成车轮轴承装置的所述方法,由于所述车轮轴承装置包括:外部件,该外部件在其内周上一体地形成有双列外滚道面;内部件,该内部件包括毂轮和至少一个内环,并且该内部件形成有待与所述双列外滚道面相对布置的双列内滚道面,所述毂轮具有在其一端一体地形成的车轮安装凸缘和从所述内滚道面轴向延伸的圆筒状部,并且所述内环压配合在所述毂轮的所述圆筒状部上;双列滚动元件,所述双列滚动元件可滚动地容纳在所述内部件的所述内滚道面和所述外部件的所述外滚道面之间;通过使所述毂轮的所述圆筒状部径向向外塑性变形而形成敛缝部,通过该敛缝部使所述内环刚性地轴向固定;以及用于传递扭矩的端面花键,该端面花键形成在所述敛缝部的端面上,所述方法的特征在于:所述圆筒状部的端部在其塑性变形以形成所述敛缝部之前预成形为圆筒;敛缝工具包括冲头和摆动轴,所述冲头具有鼻部和齿,所述鼻部在所述冲头的底面的中央从该冲头的底面突出,该鼻部适于相对于所述圆筒的内周面以第一倾角抵靠所述圆筒的端部,所述齿绕所述鼻部形成,用于通过使所述敛缝部的所述端面塑性变形而形成所述端面花键,所述冲头刚性地固定在所述摆动轴上,使得所述冲头的相位相对于所述毂轮不移动,并且所述摆动轴还具有相对于所述毂轮的中心轴线形成第二倾角的中心轴线;并且通过使所述敛缝工具朝所述毂轮前进、以预定作用力将所述冲头推靠在所述圆筒的所述端部、并且然后使具有与所述毂轮的所述中心轴线对应的旋转轴线的主轴旋转以使所述敛缝工具进行摆动运动,而在形成所述敛缝部的同时形成所述端面花键,因此,可以简化金属模的结构,并且可以减少金属模的加工、组装和管理步骤的数量,并因此降低制造成本。因而,能够防止诸如在敛缝部和/或端面花键上产生毛刺和在作业部位上沉积脱落的毛刺之类的问题,因此,可以提高车轮轴承装置的质量。
附图说明
[0026] 图1是示出了本发明的用于车辆的车轮轴承装置的一个实施方式的纵剖视图;
[0027] 图2是示出了图1的敛缝过程的说明图;
[0028] 图3 (a)是图2的局部放大图,并且图3 (b)是图3 (a)的进一步的局部放大图;
[0029] 图4是示出了敛缝过程的说明图;
[0030] 图5是示出了现有技术的用于车辆的车轮轴承装置的纵剖视图;以及
[0031] 图6是示出了图5的敛缝过程的说明图。
具体实施方式
[0032] 用于执行本发明的一个方式在于用于形成这样的车轮轴承装置的方法,该车轮轴承装置包括:外部件,该外部件具有待被安装在悬架装置上的一体形成的车体安装凸缘,并且该外部件在其内周上一体形成有双列外滚道面;内部件,该内部件包括毂轮和至少一个内环,并且该内部件形成有待与双列外滚道面相对布置的双列内滚道面,毂轮具有在其一端处与其一体形成的车轮安装凸缘和从内滚道面轴向延伸的圆筒状部,并且内环压配合在毂轮的圆筒状部上;双列滚动元件,所述双列滚动元件可转动地容纳在内部件的内滚道面与外滚道的外滚道面之间;所述内环通过敛缝部而刚性地轴向固定,通过使毂轮的圆筒状部径向向外塑性变形而形成该敛缝部;以及用于传递扭矩的端面花键,该端面花键形成在敛缝部的端面上,所述方法的特征在于,圆筒状部的端部在其塑性变形以形成敛缝部之前预成形为圆筒;敛缝工具包括冲头和摆动轴,冲头具有鼻部和齿,所述鼻部在冲头的底面中央从冲头的底面突出,该鼻部适于相对于圆筒的内周面以15°至35°的角度抵靠圆筒的端部,所述齿绕该鼻部形成,用于通过使敛缝部的端面塑性变形而形成端面花键,并且冲头刚性地固定在摆动轴上,使得冲头的相位相对于毂轮不移动,并且摆动轴还具有相对于毂轮的中心轴线形成4°至6°的倾角的中心轴线;并且通过使敛缝工具朝毂轮前进、以预定的作用力将冲头推靠在圆筒的端部、并且然后使具有与毂轮的中心轴线对应的旋转轴线的主轴旋转以使敛缝工具进行摆动运动,而与敛缝部同时形成端面花键。
[0033] 优选实施方式
[0034] 以下参照附图描述本发明的一个优选实施方式。
[0035] 图1是示出了本发明的用于车辆的车轮轴承装置的一个实施方式的纵剖视图,图2是示出了图1的敛缝过程的说明图,图3 (a)是图2的局部放大图,图3 (b)是图3 (a)的进一步的局部放大图,以及图4是示出了敛缝过程的说明图。在以下说明中,术语“外侧”限定了当轴承装置安装在车体上时位于车体外部的那一侧(图1的左手侧),术语“内侧”限定了当轴承装置安装在车体上时位于车体内部的那一侧(图1的右手侧)。
[0036] 车轮轴承装置具有所谓的“第三代类型”的结构,在该第三代类型的结构中,毂轮
1、双列滚动轴承2和等速万向节3被可分离地结合。双列滚动轴承2包括外部件4、内部件5以及双列滚动元件(滚珠)6、6。
·[0037] 外部件4由包含0.40-0.80重量%的碳的中碳钢/高碳钢(例如S53C)制成,并在其外周上一体形成有适于被安装在车辆的车体(未示出)上的车体安装凸缘4b,并且在该外部件的内周上还形成有双列外滚道面4a、4a。双列外滚道面4a、4a通过高频感应淬火而被硬化为具有58-64HRC的表面硬度。
[0038] 另一方面,内部件5包括毂轮I和内环7,并且在毂轮I和内环7上分别形成有与双列外滚道面4a、4a相对地布置的双列内滚道面la、7a。双列滚动元件6容纳在内滚道面la、7a和外滚道面4a、4a之间,并且通过保持架8、8可滚动地保持在其间。密封件11、12安装在外部件4与内部件5之间的环形开口中,以防止容纳在轴承装置内的油脂泄漏,并防止雨水或灰尘进入轴承。
[0039] 毂轮I在其外侧端上一体形成有用于安装车轮(未示出)的车轮安装凸缘9,在其外周上一体形成有内滚道面la,并且一体形成有从该内滚道面Ia轴向延伸的圆筒状部lb。内环7通过预定的过盈而压配合在圆筒状部Ib上。毂螺栓9a在车轮安装凸缘9的周向等距位置处固定到车轮安装凸缘9。通过使圆筒状部Ib的一端径向向外塑性变形而形成敛缝部10,通过该敛缝部并且通过在轴承上施加预定的预应力而使内环7相对于毂轮I轴向不动地固定。
[0040] 毂轮I由包含0.40-0.80重量%的碳的中碳钢/高碳钢(例如S53C)制成,并在如下区域中通过高频感应淬火而硬化成具有58〜64HRC的表面硬度,该区域包括从与外侧密封件11可滑动地接触的密封台部经由内滚道面Ia到达圆筒状部lb。敛缝部10不被淬火而使其硬度保持在锻造后毛坯的硬度。内环7和滚动元件6由诸如SUJ2的高碳铬钢形成,并且浸溃硬化至其芯部而使之具有54-64HRC的硬度。这不仅能够改善车轮安装凸缘9的形成密封台部的基部的耐磨性,而且能够改善抵抗施加到车辆安装凸缘9的旋转弯曲载荷的机械强度。因而,能够将圆筒状部Ib与内环7之间的配合面中引起的微振磨损抑制到最小。
[0041] 尽管这里示出了其中内滚道面Ia直接形成在毂轮I的周面上的第三代类型,但本发明可以应用于其中一对内环压配合在毂轮上的第一和第二代类型。另外,尽管示出了利用双列角接触滚珠轴承作为滚动元件6的实施例,但也可以使用圆锥滚子作为滚动元件6。
[0042] 等速万向节3包括外接合部件13、接合内环14、保持架15和扭矩传递滚珠16。外接合部件13包括杯形部17、形成杯形部17的底部的肩部18以及形成在肩部18上的内螺纹18a。在杯形部17的内周上和接合内环14的外周上分别形成有弯曲形状的轨道槽17a、14a。外接合部件13由包含0.40-0.80重量%的碳的中碳钢/高碳钢(例如S53C)制成,肩部18的外周和轨道槽17a、14a通过高频感应淬火而硬化为具有58-64HRC的表面硬度。
[0043] 在本发明中,通过塑性变形过程,在敛缝部10的端面上形成端面花键19,并且在外接合部件13的肩部18的端面上形成与端面花键19配合的另一端面花键20。通过将紧固螺栓21拧入在肩部18中形成的内螺纹18a内而使得相对布置的端面花键19、20彼此压接触,因此使毂轮I和外接合部件13轴向可分离地结合。
[0044] 接下来,将参照图2至图4描述图1的敛缝部10的形成过程。
[0045] 如图2所示,毂轮I竖直地放置在安装有多个定位销22的底座23上,使得车轮安装凸缘9的外侧面9b接触抵靠底座23的顶面。定位销22穿过孔24进行装配,毂螺栓9a压配合在孔24中。这使得可以将毂轮I稳固地固定在底座23上,而不采用其它任何紧固
>j-U ρςα装直。
[0046] 圆筒状部Ib的待被塑性变形以形成敛缝部10的端部在其塑性变形之前预先形成为圆筒30。如图3的放大图所示,在圆筒状部Ib的圆筒30的外周面上形成有环形槽31。环形槽的截面构造具有深度S、曲率半径为Ri的内侧圆弧面31a和曲率半径为Ro的外侧圆弧面31b。这能够使圆筒30在敛缝过程期间容易变形,并因此抑制内环7的变形。环形槽31在如下区域内延伸,该区域从比与内环7的内滚道面7a的最大径向端对应的位置还靠内的位置,超过与内滚道面7a 的最大径向端对应的位置,经由内环7的倒圆角部7c,到距较大端面7b预定距离“c”的位置。环形槽31的宽度越大,则环向应力就越低。然而,如果环形槽31的宽度太大,则不仅因缺少抵靠内环7的挤压力而不能获得内环7的预定紧固力,而且毂轮I的强度和刚度也将降低。
[0047] 环形槽31的深度δ为0.5mm_l.0mm。如果深度δ小于0.5mm,则由设置环形槽31带来的效果将减弱。相反地,如果深度δ大于1.0_,则敛缝部10的强度将不足。内侧圆弧面31a的曲率半径Ri设定为大于倒圆角部7c的曲率半径rl,并且小于外侧圆弧面31b的曲率半径Ro (rl彡Ri彡Ro),并且曲率半径Ri设定在Rl-1Omm的范围内。这能够使圆筒30在敛缝过程期间容易变形,并因此抑制内环7因敛缝过程而变形。
[0048] 如果倒圆角部7c的曲率半径rl设定为小于1.0_,则在车辆驾驶期间,当向车轮轴承装置施加任意弯矩时,会因在敛缝部10的根部处的应力集中而造成微裂纹之类的损害。相反地,如果曲率半径rl大于2.5mm,则当圆筒30塑性变形时内环7会径向向外膨胀,因此在内环7的外周中会造成过大的环向应力。
[0049] 敛缝工具25包括冲头28和摆动轴29。冲头28具有:在冲头28的底面中心从该冲头28的底面突出的鼻部26 ;和绕鼻部26形成的齿27,该齿通过使敛缝部10的端面塑性变形而形成端面花键19。摆动轴29具有中心轴线A,该中心轴线A相对于毂轮I的中心轴线L形成预定的倾角α。在这里,倾角α设定在4° -6°的范围内。冲头28通过键而固定到摆动轴29,使得冲头不能相对于摆动轴29旋转。
[0050] 冲头28的鼻部26形成为适于相对于圆筒30的内周面30a以预定的倾角β抵靠圆筒30的端部。在这里,倾角β设定在15° -35°的范围内。
[0051] 所述倾角β为第一倾角,所述倾角α为第二倾角。
[0052] 如图4所示,通过使敛缝工具25朝毂轮I的圆筒30前进、以预定的作用力将冲头28推靠在圆筒30的端部、然后使具有与毂轮I的中心轴线L对应的旋转轴线的主轴(未示出)旋转以使敛缝工具25进行摆动运动,而通过塑性变形在形成敛缝部10的同时形成端面花键19。
[0053] 根据本发明,由于敛缝部10和该敛缝部10的端面上的端面花键19可借助一体的冲头28通过塑性变形同时形成,因此,可以简化金属模的结构,并且可以减少金属模的加工、组装和管理步骤的数量。这降低了制造成本。因而,可以防止诸如在敛缝部10和/或端面花键19上产生毛刺和在作业部位上沉积脱落的毛刺之类的问题。因此,可以提高车轮轴承装置的质量。
[0054] 已经参照优选实施方式描述了本发明。显然,本领域普通技术人员在阅读和理解前面的详细说明后可以想到多种修改和变型。本发明旨在解释为包括所有这种变型和修改,只要它们落在所附的权利要求或其等同物的范围内。
[0055] 工业应用性
[0056] 用于形成车轮轴承装置的所述方法可应用于形成这样的车轮轴承装置,在该车轮轴承装置中,等速万向节和具有毂轮的车轮轴承部以可传递扭矩的方式通过端面花键相连接,并且它们通过螺纹装置而可分离地结合。
[0057] 附图标记说明:[0058] 1.........毂轮
[0059] la, 7a.........内滚道面
[0060] Ib.........圆筒状部
[0061] 2.........双列滚动轴承
[0062] 3.........等速万向节
[0063] 4.........外部件
[0064] 4a.........外滚道面
[0065] 4b.........车体安装凸缘
[0066] 5.........内部件
[0067] 6.........滚动元件
[0068] 7.........内环
[0069] 7b.........较大端面
[0070] 7c.........倒圆部
[0071] 8.........保持架
[0072] 9.........车轮安装凸缘
[0073] 9a.........毂螺栓
[0074] 9b.........外侧面
[0075] 10.........敛缝部
[0076] 11、12.........密封件
[0077] 13.........外接合部件[0078] 14..................接合内环
[0079] 14a、17a.........轨道槽
[0080] 15.........保持架
[0081] 16.........扭矩传递滚珠
[0082] 17.........杯部
[0083] 18.........肩部
[0084] 18a.........内螺纹
[0085] 19、20.........端面花键
[0086] 21.........紧固螺栓
[0087] 22.........定位销
[0088] 23.........底座
[0089] 24.........孔
[0090] 25.........敛缝工具
[0091] 26.........鼻部
[0092] 27.........齿
[0093] 28.........冲头
[0094] 29.........摆动轴
[0095] 30.........圆筒
[0096] 30a.........圆筒的内周面
[0097] 31..................环形槽
[0098] 51.........双列滚动轴承
[0099] 52.........等速万向节
[0100] 53.........外部件
[0101] 53a.........外滚道面
[0102] 54.........车轮安装凸缘
[0103] 55.........毂轮
[0104] 55a、56a.........内滚道表面
[0105] 56.........内环
[0106] 57..................内部件
[0107] 58.........滚珠
[0108] 59.........敛缝部
[0109] 60、67.........端面花键
[0110] 61.........外接合部件
[0111] 62.........接合内环
[0112] 63.........保持架
[0113] 64.........扭矩传递滚珠
[0114] 65.........杯部
[0115] 66.........肩部
[0116] 66a.........内螺纹[0117] 68.........紧固螺栓
[0118] A.........摆动轴的中心轴线
[0119] c.........环形槽的内侧端距内环的内滚道面的较大端的距离
[0120] L.........毂轮的轴向中心
[0121] rl.........内环的倒圆部的曲率半径
[0122] r2.........环形槽的圆弧面的曲率半径
[0123] R1.........环形槽的内侧圆弧面的曲率半径
[0124] R0.........环形槽的外侧圆弧面的曲率半径
[0125] α.........摆动轴的倾角
[0126] β.........鼻部的倾角
[0127] δ.........环形槽的深度

Claims (7)

1.一种用于形成车轮轴承装置的方法,该车轮轴承装置包括: 外部件(4),该外部件在其内周上一体地形成有双列外滚道面(4a,4a); 内部件(5),该内部件包括毂轮(I)和至少一个内环(7),并且该内部件形成有与所述双列外滚道面(4a,4a)相对布置的双列内滚道面(la, 7a),所述毂轮(I)具有在其一端一体地形成的车轮安装凸缘(9)和在所述毂轮的外周上的轴向延伸的圆筒状部(lb),并且所述内环(7)压配合在所述毂轮(I)的所述圆筒状部(Ib)上; 双列滚动元件(6 ),所述双列滚动元件可滚动地容纳在所述内部件(5 )的所述内滚道面(la,7a)与所述外部件(4)的所述外滚道面(4a,4a)之间; 通过使所述毂轮(I)的所述圆筒状部(Ib)径向向外塑性变形而形成敛缝部(10),通过该敛缝部使所述内环(7)刚性地轴向固定;以及 用于传递扭矩的端面花键(19),该端面花键形成在所述敛缝部(10)的端面上, 所述方法的特征在于: 所述圆筒状部(Ib)的端部在其塑性变形以形成所述敛缝部(10)之前预成形为圆筒 (30); 敛缝工具(25 )包括冲头(28 )和摆动轴(29 ),所述冲头(28 )具有鼻部(26 )和齿(27 ),所述鼻部在所述冲头(28)的底面中央从该冲头(28)的底面突出,该鼻部适于相对于所述圆筒(30)的内周面(30a)以第一倾角(β )抵靠所述圆筒(30)的端部,所述齿绕所述鼻部(26 )形成,用于通过使所述敛缝部(10 )的所述端面塑性变形而形成所述端面花键(19 ),所述冲头(28)刚性地固定在所述摆动轴(29)上,使得所述冲头(28)的相位相对于所述毂轮(I)不移动,并且所述摆动轴还具有相对于所述毂轮(I)的中心轴线(L)形成第二倾角(α )的中心轴线(A);并且 通过使所述敛缝工具(25)朝所述毂轮(I)前进、以预定的作用力将所述冲头(28)推靠在所述圆筒(30)的所述端部、并且然后使具有与所述毂轮(I)的所述中心轴线(L)对应的旋转轴线的主轴旋转以使所述敛缝工具(25)进行摆动运动,从而在形成所述敛缝部(10)的同时形成所述端面花键(19 )。
2.根据权利要求1所述的用于形成车轮轴承装置的方法,其中,所述摆动轴(29)的所述中心轴线(A)相对于所述毂轮(I)的所述中心轴线(L)的所述第二倾角(α )被设定在4°至6°的范围内。
3.根据权利要求1或2所述的用于形成车轮轴承装置的方法,其中,所述冲头(28)的所述鼻部(26)的所述第一倾角(β)被设定在15°至35°的范围内。
4.根据权利要求1或2所述的用于形成车轮轴承装置的方法,其中,所述冲头(28)通过键而固定到所述摆动轴(29 )。
5.根据权利要求1或2所述的用于形成车轮轴承装置的方法,其中,所述毂轮(I)竖直地放置在安装有多个定位销(22 )的底座(23 )上,使得所述车轮安装凸缘(9 )的外侧面(9b )接触抵靠所述底座(23)的顶面,所述定位销(22)穿过孔(24)进行装配,毂螺栓(9a)压配合在所述孔中。
6.根据权利要求1或2所述的用于形成车轮轴承装置的方法,其中,在所述圆筒状部(Ib)的所述圆筒(30)的外周面上形成有环形槽(31),该环形槽(31)的截面构造具有0.5mm至1.0mm的深度(δ )、具有曲率半径(Ri)的内侧圆弧面(31a)和具有曲率半径(Ro)的外侧圆弧面(3Ib ),所述内侧圆弧面(3Ia)的所述曲率半径(Ri )被设定为小于或等于所述外侧圆弧面(31b)的所述曲率半径(Ro) (Ri <Ro),并且所述环形槽(31)在如下的区域内延伸,该区域从比与所述内环(7)的所述内滚道面(7a)的最大径向端对应的位置还靠内的位置,超过与所述内滚道面(7a)的所述最大径向端对应的位置,经由所述内环(7)的倒圆角部(7c),到距较大端面(7b)预定距离(c)的位置。
7.根据权利要求6所述的用于形成车轮轴承装置的方法,其中,所述内环(7)的所述倒圆角部(7c )在其截面中具有圆弧面,该圆弧面具有预定的曲率半径(r I),所述内侧圆弧面(31a)的所述曲率半径(Ri)被设定为大于或等于所述倒圆角部(7c)的所述曲率半径(rl)(rl < Ri)ο ·
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