+

WO2018135205A1 - Arbre de transmission de puissance creux - Google Patents

Arbre de transmission de puissance creux Download PDF

Info

Publication number
WO2018135205A1
WO2018135205A1 PCT/JP2017/045268 JP2017045268W WO2018135205A1 WO 2018135205 A1 WO2018135205 A1 WO 2018135205A1 JP 2017045268 W JP2017045268 W JP 2017045268W WO 2018135205 A1 WO2018135205 A1 WO 2018135205A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
power transmission
transmission shaft
pair
joint
Prior art date
Application number
PCT/JP2017/045268
Other languages
English (en)
Japanese (ja)
Inventor
裕一郎 北村
Original Assignee
Ntn株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ntn株式会社 filed Critical Ntn株式会社
Publication of WO2018135205A1 publication Critical patent/WO2018135205A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/06—Making machine elements axles or shafts
    • B21K1/10—Making machine elements axles or shafts of cylindrical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • 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
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles

Definitions

  • the present invention relates to a hollow power transmission shaft connected to a constant velocity universal joint or the like.
  • a power transmission shaft that transmits power from a reduction gear (differential) to driving wheels is used.
  • a sliding type constant velocity universal joint is connected at one end of the power transmission shaft, and a fixed type constant velocity universal joint is connected at the other end of the power transmission shaft to constitute a drive shaft.
  • the pipe material is subjected to drawing processing to form a hollow shaft material having a large diameter portion in the axial middle portion and a small diameter portion on both axial side portions.
  • a hollow power transmission shaft is manufactured by performing heat treatment (Patent Document 1).
  • Patent Document 2 discloses a hollow power transmission shaft (two-piece type) formed by joining and forming the hollow end surfaces of a pair of stub shafts formed by cold forging a solid bar. Discloses a hollow power transmission shaft (three-piece type) composed of a pair of stub shafts and a pipe material disposed between the stub shafts.
  • the hollow power transmission shaft shown in Patent Document 1 is an integral hollow shaft. Such an integral hollow shaft is processed by a swaging process or the like. For this reason, a large amount of cost is required for mold costs, equipment costs and the like, and pipe material is used as the raw material. However, the cost of the pipe material is higher than that of the solid bar material, and the material cost is high.
  • the stub shaft and the pipe material have different shapes (diameter dimension, axial length) for each constant velocity universal joint, and for each vehicle. It is necessary to use it.
  • the present invention provides a hollow power transmission shaft that can achieve improvement in productivity, cost reduction, load reduction in production management, and the like.
  • the hollow power transmission shaft includes a pair of shaft members and an intermediate cylindrical body that is interposed between the pair of shaft members and integrally joined to each shaft member.
  • the shaft member (stem portion) has one specification for one joint size, and the shaft member (stem portion) can be integrated.
  • the intermediate cylinder it is only necessary to procure one inner and outer diameter for one joint size, and the intermediate cylinder can also be integrated into a variety.
  • the pair of shaft members it is preferable that the pair of shaft members have the same specifications. By making the pair of shaft members have the same specification, it is possible to stably integrate the products.
  • the pair of shaft members includes a joint portion in which the outer diameter on the intermediate cylinder side is the same as the outer diameter of the intermediate cylinder body, a shaft member main body portion having a smaller diameter than the joint portion, and the shaft member main body portion and the joint portion.
  • the outer diameter of the intermediate cylinder is D and the shaft member main body is d
  • D 0.52 ⁇ d + C
  • C is 15.92 to 23.09. It is preferable to do this.
  • the shaft member and the intermediate cylinder may be joined and integrated by electron beam welding or may be joined and integrated by laser welding.
  • electron beam welding uses thermoelectrons emitted by heating the cathode with a filament, and the thermoelectrons are accelerated using an electromagnetic field created by a voltage difference to collide with an object to be welded. In this method, welding is performed using the impact heat generated.
  • Laser welding is a method of joining by irradiating a laser beam mainly on a metal as a heat source and locally melting and solidifying the metal.
  • the shaft member is composed of a forged product.
  • the present invention it is possible to integrate the types of the shaft member and the intermediate cylinder, thereby improving the productivity and reducing the cost. Moreover, the load of production management can be reduced by reducing the kind of member.
  • FIG. 3 is a half cut sectional view of a hollow power transmission shaft of the present invention using electron beam welding as a joining means. It is sectional drawing of the drive shaft using a hollow power transmission shaft.
  • FIG. 3 is a half cut sectional view of a short hollow power transmission shaft of the present invention.
  • FIG. 2 is a half cut sectional view of a long hollow power transmission shaft of the present invention. It is a half-cut sectional view of the hollow power transmission shaft of the present invention using laser welding as a joining means. It is a half-cut sectional view of the hollow power transmission shaft of the present invention using friction welding as a joining means.
  • FIG. 2 shows a drive shaft using a hollow power transmission shaft according to the present invention.
  • a fixed type constant velocity universal joint 1, a sliding type constant velocity universal joint 2, and a hollow power transmission shaft S for connecting these constant velocity universal joints are provided.
  • a Barfield type constant velocity universal joint is used as a fixed type constant velocity universal joint
  • a tripod type constant velocity universal joint is used as a sliding type constant velocity universal joint.
  • the fixed type constant velocity universal joint 1 includes an outer joint member 5 in which a plurality of track grooves 3 extending in the axial direction are formed on the inner spherical surface 4, and an inner side in which a plurality of track grooves 6 extending in the axial direction are formed on the outer spherical surface 7.
  • a joint member 8 a plurality of balls 9 that are interposed between the track 3 of the outer joint member 5 and the track 6 of the inner joint member 8 and transmit torque, the inner spherical surface 4 of the outer joint member 5, and the inner joint member 8.
  • a cage 10 that holds the ball 9 interposed between the outer spherical surface 7 and the outer spherical surface 7.
  • the sliding type constant velocity universal joint 2 is provided with an outer joint member 12 provided with three grooves 11 extending in the axial direction on the inner periphery and provided with roller guide surfaces 11a opposed to each other on the inner wall of each groove 11, and a radial direction.
  • a tripod member 14 as an inner joint member provided with three leg shafts 13 projecting on the shaft, and torque transmission means rotatably supported by the leg shaft 13 and inserted into the groove 11 of the outer joint member so as to roll.
  • the roller 15 is fitted onto the outer diameter surface of the leg shaft 13 via a plurality of rollers 16 disposed along the circumferential direction.
  • the tripod member 14 includes a boss portion 17 and the leg shaft 13 extending from the boss portion 17 in the radial direction.
  • the hollow power transmission shaft S is formed with male splines (spline shafts) 21a and 21b at both ends thereof, and one male spline 21a is fitted into the inner joint member 8 of the fixed type constant velocity universal joint 1 and the other male spline 21a.
  • the spline 21 b is fitted into the tripod member 14 of the sliding type constant velocity universal joint 2.
  • a female spline (spline hole) 23 is formed in the shaft hole 22 of the inner joint member 8, and one male spline 21 a of the shaft S is fitted into the shaft hole 22 of the inner joint member 8, so that a female spline (spline hole) is formed. 23.
  • the other male spline (spline shaft) 21 b of the shaft S is fitted into the axial hole 24 of the boss portion 17 of the tripod member 14, and meshes with the female spline (spline hole) 25 of the axial hole 24.
  • the fixed type constant velocity universal joint 1 is provided with a boot 30A for sealing the opening of the outer joint member 5, and the sliding type constant velocity universal joint 2 is used for sealing the opening of the outer joint member 12.
  • Boots 30B are attached.
  • the boots 30A and 30B include a large-diameter attachment portion 30a, a small-diameter attachment portion 30b, and a bellows portion 30c that constitutes a bent portion that connects the large-diameter attachment portion 30a and the small-diameter attachment portion 30b.
  • the large-diameter mounting portion 30a of the boots 30A and 30B is fastened and fixed by the fastening band 32 at the boot mounting portions 31 and 31 formed on the outer diameter surface on the opening side of the outer joint members 12 and 5, and the small-diameter mounting portion.
  • Reference numeral 30b denotes a predetermined portion of the shaft S (boot mounting portions 33, 33) that is fastened and fixed by a fastening band 32.
  • the hollow power transmission shaft S includes a pair of shaft members 40 (40A, 40B) and an intermediate cylinder 41 interposed between the pair of shaft members 40 (40A, 40B).
  • the pair of shaft members 40 (40A, 40B) includes a main body portion 42 of the male spline 21a (21b) at the end, and a cylindrical joint portion in which the inner and outer diameter dimensions of the intermediate cylinder 41 are set to be the same. 43 and a tapered connecting portion 44 that connects the cylindrical joint portion 43 and the main body portion 42.
  • the outer diameter of the main body 42 is set smaller than the outer diameter of the intermediate cylinder 41.
  • the pair of shaft members 40 (40A, 40B) is configured by a solid body other than the cylindrical joint portion 43, that is, the main body portion 42 and the connecting portion 44.
  • circumferential concave grooves 45 and 45 of the boot mounting portions 33 and 33 are formed in the main body portion 42 of the pair of shaft members 40 (40A and 40B). Further, circumferential concave grooves 48 and 48 into which retaining rings 46 and 47 (see FIG. 2) for retaining are provided are provided at the ends of the male splines 21a and 21b.
  • the one shaft member 40A and the intermediate cylinder 41 are joined to each other by joining the end face 43a of the tubular joint portion 43 of the shaft member 40A and the one end face 41a of the intermediate cylinder 41 with each other. Further, the other shaft member 40B and the intermediate cylinder 41 are joined to each other by joining the end surface 43b of the cylindrical joint portion 43 of the shaft member 40B and the one end surface 41b of the intermediate cylinder 41 through a joining means.
  • the joining means is electron beam welding.
  • electron beam welding uses thermoelectrons emitted by heating the cathode with a filament, and the thermoelectrons are accelerated using an electromagnetic field created by a voltage difference to collide with an object to be welded. In this method, welding is performed using the impact heat generated.
  • Wa of FIG. 1 has shown the junction part W formed by electron beam welding.
  • Table 1 shows the relationship between the shaft portion diameter (the outer diameter of the main body portion of the shaft member) and the raw tube diameter (the outer diameter of the intermediate cylinder 41).
  • D 0.52 ⁇ d + 23.09 represents the upper limit of the mass-produced product of the existing tribe shaft
  • the hollow power transmission shaft S if an intermediate cylinder 41 having different axial lengths is used, a so-called short hollow power transmission shaft S as shown in FIG. 3 or a so-called long length as shown in FIG. A hollow hollow power transmission shaft S can be configured. That is, the hollow power transmission shaft S shown in FIG. 3 and the hollow power transmission shaft S shown in FIG. 4 have the same length A (length in the axial direction) of each shaft member 40 (40A, 40B).
  • the axial length of the intermediate cylinder 41 of the hollow power transmission shaft S shown in FIG. 3 is L1
  • the axial length of the intermediate cylinder 41 of the hollow power transmission shaft S shown in FIG. 4 is L2.
  • L1 ⁇ L2.
  • FIG. 5 shows a case where laser welding is used as the joining means.
  • laser welding is a method of joining by irradiating a laser beam mainly on a metal as a heat source and locally melting and solidifying the metal.
  • Wb indicates a joint W formed by laser welding.
  • FIG. 6 shows a case where friction welding is used as the joining means.
  • the friction welding is a method in which members to be joined (for example, metal or resin) are rubbed together at high speed, and the members are softened by frictional heat generated at the same time, and at the same time, pressure is applied to join them.
  • Wc indicates a joint W formed by friction welding.
  • FIG. 7 shows the manufacturing process of the hollow power transmission shaft S.
  • the manufacturing process of the stem material (shaft member 40) the manufacturing process of the raw pipe material (intermediate cylinder 41), and the stem material
  • the manufacturing process of the stem material includes a cutting process S1s, a forging process S2s, and a turning process S3s for cutting the bar material, which is a material, into a predetermined dimension (a predetermined axial length).
  • materials include carburized materials with low carbon concentrations (SCr, SCM, etc.), medium carbon steels with carbon concentrations of 0.25% to 0.6% (S30c, S55C, etc.), alloy steels (SAE1535M, etc.), etc. is there.
  • the forging step S2s the processed product shown in FIG. 8 is formed. That is, the shaft member 40S having no male splines 21a and 21b and circumferential grooves 45 and 48 is formed.
  • the shaft member 40 ⁇ / b> S includes a main body portion constituting portion 42 ⁇ / b> S constituting the main body portion 42, a joining portion constituting portion 43 ⁇ / b> S constituting the cylindrical joint portion 43, and a continuous portion constituting portion 44 ⁇ / b> S constituting the continuous portion 44. It consists of.
  • the outer diameter dimension ds of the main body part constituting part 42S is the same as the outer diameter dimension d of the main body part 42 of the formed shaft S
  • the outer diameter dimension d1s of the joint part constituting part 43S is equal to that of the intermediate cylinder 41. It is set to be the same as the outer diameter dimension D.
  • the turning process S3s includes a male spline forming process, a circumferential groove forming process, and a joint forming process.
  • the male spline forming process cutting is performed with the diameter (outer diameter) of the spline 21a, 21b as the spline lower diameter, and the male spline 21 is formed by rolling (or pressing) the spline lower diameter. (21a, 21b) is formed.
  • the circumferential groove forming step is a step of turning the circumferential groove.
  • the joint formation process is a finishing process for the cylindrical joint 43. When the forging process S2s is not performed, outer diameter turning is performed.
  • the raw pipe material (intermediate cylinder) manufacturing process includes a raw pipe cutting process S1p and a turning process S2p.
  • the raw tube cutting step S1p is a step of cutting a long raw tube into a predetermined dimension (predetermined axial length).
  • the turning process S2p is a finishing process by turning a joint portion (a portion to be joined to the shaft member) of the intermediate cylinder.
  • the thus formed shaft member 40 (40A, 40B) and the intermediate cylinder part 41 perform a joining process (in this case, a welding process S4), and the intermediate cylinder part 41 is interposed between the pair of shaft members 40A, 40B.
  • the formed shaft S is formed.
  • a heat treatment step S5 is performed.
  • the heat treatment step S5 include carburizing quenching and induction quenching.
  • the heat treatment range may include the male splines 21a and 21b, the male splines 21a and 21b and the hollow portion, etc. over the entire length of the shaft S.
  • a plurality of types of intermediate cylinders 41 are arranged for one shaft member 40A, 40B, a plurality of types of hollow power transmission shafts S can be formed. That is, the shaft members 40A and 40B have one product number (S001), and the intermediate cylinder 41 has a plurality of product numbers (P001, P002, P003, P004, P005... P (n)). If they are aligned, products of a plurality of types (A001, A002, A003, A004, A005... A (n)) can be formed.
  • the plural types of intermediate cylinders 41 are those in which the inner and outer diameters are the same as the inner and outer diameters of the cylindrical joint portion 43 of the shaft member 40 (40A, 40B) and the axial lengths are different. That is, since the axial direction length of the drive shaft to be used differs depending on the vehicle, the shaft S having a length corresponding to each vehicle can be manufactured stably.
  • the shaft member 40 (40A, 40B) (stem portion) has one specification for one joint size, that is, the shaft member 40 (40A, 40A, 40) at both ends of the intermediate cylindrical body 41.
  • 40B) is a shaft member having the same specifications, and the types of shaft members 40 (40A, 40B) can be integrated.
  • the intermediate cylinder 41 it is only necessary to procure one inner and outer diameter for one joint size, and the intermediate cylinder 41 can also be integrated. That is, it is possible to integrate the types of the shaft member 40 (40A, 40B) and the intermediate cylinder 41, thereby improving productivity and reducing costs. Moreover, the load of production management can be reduced by reducing the kind of member. By making the shaft member 40A and the shaft member 40B have the same specifications, it is possible to stably integrate the products.
  • the shaft member 40 (40A, 40B) and the intermediate cylinder 41
  • electron beam welding, laser welding, or friction welding may be used as a joining means between the shaft member 40 (40A, 40B) and the intermediate cylinder 41.
  • the joining means can be selected. For this reason, the shaft member and the intermediate cylindrical body can be joined and integrated by an optimum joining means, and the strength is stable.
  • the shaft member 40 (40A, 40B) can be manufactured by forging or cutting, and is excellent in productivity. Furthermore, the shaft member 40 (40A, 40B) and the intermediate cylinder 41 can be made of a carburized material, a medium carbon steel, an alloy steel, etc., and the material can be selected with a high degree of freedom.
  • the hollow power transmission shaft S can be configured stably.
  • the present invention is not limited to the above-described embodiment, and various modifications are possible, and the application (use) is not limited to the drive shaft. Even if it is a propeller shaft, it is not restricted to the drive shaft of a rear-wheel drive vehicle, Furthermore, the front drive shaft of a front-wheel drive vehicle and a 4WD vehicle may be sufficient. In addition to such a power transmission system of an automobile, the present invention can also be used for various general machines, electric machines, transportation machines, and the like having a rotating shaft.
  • the fixed type constant velocity universal joint 1 is a bar field type in the above embodiment, but may be an undercut free type fixed type constant velocity universal joint.
  • the constant velocity universal joint 2 is not limited to the tripod type, but may be a double offset type or a cross groove type sliding type constant velocity universal joint. Further, when the tripod type is used as the sliding type constant velocity universal joint, it may be a single roller type or a double roller type.
  • a power transmission shaft for transmitting power from a differential to a drive wheel in a power transmission system of an automobile. It consists of a pair of shaft members and an intermediate cylinder that is interposed between the pair of shaft members and integrally joined to each shaft member.
  • the shaft member (stem portion) has one specification for one joint size, and the types of shaft members (stem portions) can be integrated. In addition, it is possible to integrate the types of intermediate cylinders.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Ocean & Marine Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • Forging (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un arbre de transmission de puissance creux comprenant une paire d'éléments d'arbre et un cylindre intermédiaire interposé entre la paire d'éléments d'arbre et intégralement relié aux éléments d'arbre. Un joint universel à vitesse constante est relié à une extrémité de chacun des éléments d'arbre. Les longueurs axiales de la paire d'éléments d'arbre sont fixées à la même valeur. Chacun de la paire d'éléments d'arbre possède une section de joint cylindrique dont les diamètres intérieur et extérieur sont égaux aux dimensions interne et externe du cylindre intermédiaire.
PCT/JP2017/045268 2017-01-18 2017-12-18 Arbre de transmission de puissance creux WO2018135205A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017006600A JP2018115704A (ja) 2017-01-18 2017-01-18 中空状動力伝達シャフト
JP2017-006600 2017-01-18

Publications (1)

Publication Number Publication Date
WO2018135205A1 true WO2018135205A1 (fr) 2018-07-26

Family

ID=62907911

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/045268 WO2018135205A1 (fr) 2017-01-18 2017-12-18 Arbre de transmission de puissance creux

Country Status (2)

Country Link
JP (1) JP2018115704A (fr)
WO (1) WO2018135205A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110842331B (zh) * 2019-11-28 2022-07-08 泰尔重工股份有限公司 重载万向接轴中间轴的组焊方法
JP2022049939A (ja) * 2020-09-17 2022-03-30 日立Astemo株式会社 スタブシャフト、動力伝達軸およびスタブシャフトの製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007315463A (ja) * 2006-05-24 2007-12-06 Ntn Corp 中空状動力伝達シャフト
JP2008020068A (ja) * 2006-07-10 2008-01-31 Gkn Driveline Sa 溶接された管シャフト用の端部ピース、対応するシャフト、及び製造方法
JP2011106569A (ja) * 2009-11-17 2011-06-02 Ntn Corp 動力伝達部材
DE102012011442A1 (de) * 2012-06-08 2013-12-12 Volkswagen Aktiengesellschaft Profilwelle zur Verbindung von zwei Gleichlaufgelenken und Verfahren zur Herstellung einer solchen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007315463A (ja) * 2006-05-24 2007-12-06 Ntn Corp 中空状動力伝達シャフト
JP2008020068A (ja) * 2006-07-10 2008-01-31 Gkn Driveline Sa 溶接された管シャフト用の端部ピース、対応するシャフト、及び製造方法
JP2011106569A (ja) * 2009-11-17 2011-06-02 Ntn Corp 動力伝達部材
DE102012011442A1 (de) * 2012-06-08 2013-12-12 Volkswagen Aktiengesellschaft Profilwelle zur Verbindung von zwei Gleichlaufgelenken und Verfahren zur Herstellung einer solchen

Also Published As

Publication number Publication date
JP2018115704A (ja) 2018-07-26

Similar Documents

Publication Publication Date Title
US9624964B2 (en) Hydroformed driveshaft tube with secondary shape
KR100854783B1 (ko) 투피스 액슬축
CN105492791B (zh) 等速万向联轴器的外侧联轴器构件的制造方法以及外侧联轴器构件
WO2014097821A1 (fr) Procédé de fabrication d'un élément de raccord externe d'un joint universel homocinétique et élément de raccord externe
WO2018135205A1 (fr) Arbre de transmission de puissance creux
US7181846B2 (en) Method of manufacturing a combined driveshaft tube and yoke assembly
JP5586929B2 (ja) 等速自在継手の製造方法
JP6005402B2 (ja) 等速自在継手の外側継手部材の製造方法
WO2011052342A1 (fr) Arbre creux et joint de cardan à vitesse constante
US20050003897A1 (en) Method of manufacturing a combined driveshaft tube and yoke assembly
US20100244546A1 (en) Axle shaft assembly
WO2016199655A1 (fr) Élément de joint externe d'un joint universel homocinétique
CN107002768B (zh) 等速万向联轴器的外侧联轴器构件的制造方法以及外侧联轴器构件
JP2018159404A (ja) 中空状動力伝達シャフト、等速自在継手の外側継手部材、およびドライブシャフト
CN107690367A (zh) 具有摩擦焊接至传动轴管的轭的传动轴总成
JP6385730B2 (ja) 等速自在継手の外側継手部材の製造方法および外側継手部材
CN116164050A (zh) 三脚架接头及制造方法
WO2017061208A1 (fr) Élément de joint externe pour joint homocinétique universel
JP2009162335A (ja) 車輪用軸受装置
JP2007315463A (ja) 中空状動力伝達シャフト
CN206159300U (zh) 免焊接长轴内球笼精锻件
JP4554299B2 (ja) 中空状動力伝達シャフトの製造方法
US20170356536A1 (en) Lightweight and narrow differential assembly with powder metal inserts
CN106255835A (zh) 多件式传动轴组件
JPH07224851A (ja) 自動車等に用いる等速ジョイントのアウタカップおよびその製法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17892463

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17892463

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载