WO2008062521A1 - Roue d'automobile - Google Patents
Roue d'automobile Download PDFInfo
- Publication number
- WO2008062521A1 WO2008062521A1 PCT/JP2006/323326 JP2006323326W WO2008062521A1 WO 2008062521 A1 WO2008062521 A1 WO 2008062521A1 JP 2006323326 W JP2006323326 W JP 2006323326W WO 2008062521 A1 WO2008062521 A1 WO 2008062521A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hub
- disk
- rounded
- hub surface
- rim
- Prior art date
Links
- 238000007906 compression Methods 0.000 claims abstract description 19
- 238000005482 strain hardening Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000013461 design Methods 0.000 claims description 60
- 239000011324 bead Substances 0.000 claims description 57
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 230000000630 rising effect Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 16
- 239000002344 surface layer Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 238000005480 shot peening Methods 0.000 description 7
- 239000002923 metal particle Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241000052343 Dares Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B25/00—Rims built-up of several main parts ; Locking means for the rim parts
- B60B25/002—Rims split in circumferential direction
- B60B25/004—Rims split in circumferential direction one rim part comprising the wheel disc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/002—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/02—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body integral with rim
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/04—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding
- B60B3/041—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc
- B60B3/044—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc characterised by cross-sectional details of the attachment, e.g. the profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/10—Disc wheels, i.e. wheels with load-supporting disc body apertured to simulate spoked wheels
Definitions
- the present invention relates to a nose surface radius portion formed on a disk of an automobile wheel.
- a two-piece type automobile wheel is well known in which a substantially disc-shaped disc is fitted to the inner peripheral surface of a substantially cylindrical rim, and the fitting portion is joined.
- the rim b has a rim flange portion c that supports a bead of a tire (not shown) on both sides of the opening edge. , c.
- bead seat portions d, d on which tire beads are seated are coupled substantially parallel to the axial direction of the rim b at positions inside the rim flange portions c, c.
- a drop portion e that is recessed toward the inner diameter side of the rim b is formed between the bead seat portions d and d.
- each bolt hole h is provided with a nut seat i so as to surround the opening portion.
- a hat portion j that protrudes toward the design surface side is formed in an intermediate portion from the outer side portion in the radial direction of each nut seat i to the outer peripheral edge of the disk f.
- a so-called full-face wheel is also known (see, for example, Patent Document 2).
- the configuration is such that the rim supports a tire bead at one end in the axial direction of the tire and also has a lateral flange. And a joint at the other end.
- the outer peripheral portion of the disk is a design surface side flange portion that also supports the side force of the tire bead. Then, the back surface of the disk is joined to the joint portion of the rim so that they are integrated together.
- the rim includes a bead seat portion on which tire beads are seated on both sides in the axial direction, and one bead seat portion is a bead seat portion for fitting. Then, the discs are fitted into the fitting bead sheet portion, and the fitting portions are joined together so that they are integrated with each other.
- the automotive wheel discs described so far have been proposed in various appearance shapes by variously changing the size 'shape' arrangement of the decorative holes, etc., or the irregularities of the design surface, etc. Accordingly, the above-described nove surface rounded portion is roughly divided into two types.
- One is a configuration in which a decorative hole is formed to be relatively small as shown in FIG. 20, and a hub surface rounded portion m having a single ring shape in a front view is formed around the hub hole.
- the other is a configuration in which the edge of the decorative hole q protrudes toward the hub hole g as shown in FIG. 21, and the peripheral part of the decorative hole q divides the rounded portion m of the hub surface. It is.
- the plurality of hub surface rounded portions m are formed intermittently at intervals on a virtual circle s set around the hub hole with the center of the hub hole g as a virtual center.
- Such a configuration in which the edge of the decorative hole q protrudes toward the hub hole g has an advantage that the design is novel and the heat dissipation effect is high compared to the configuration shown in FIG. .
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-74248
- Patent Document 2 JP-A-8-183301
- an object of the present invention is to provide an automobile wheel that has a disk having a plurality of hub surface rounded portions formed at intervals and satisfies a desired life life. .
- the present invention includes a rim on which a tire is mounted and a disk joined to the rim.
- the disk has a hub hole at the center, and the center of the hub hole is a virtual center.
- all hub surface rounded portions are processed.
- An automotive wheel characterized by being provided with a compressive residual stress by a compression process that causes hardening.
- the hub surface rounded portion is a disc formed with an interval
- stress concentration occurs in each hub surface rounded portion
- a desired life life as an automobile wheel is obtained. May not be obtained.
- the compressive processing for work hardening is performed on all the nose surface rounded portions, and compressive residual stress is applied to the hub surface rounded portions. And a desired life life can be reliably obtained.
- the disk when compressive residual stress is applied to a part of the disk, the disk may be distorted and the roundness of the vehicle wheel may be deteriorated. It was.
- the present invention dares to apply compressive residual stress to the rounded portion of the disk nose surface. By doing so, the roundness of the wheel for automobiles is maintained, and the strength of each hub surface rounded portion is improved.
- the disk is formed into a predetermined shape by pressing a base material having a predetermined shape using a pair of molds, and the compression process that causes work hardening at the rounded portion of the hub surface is as follows.
- a press work is proposed in which the disk is shaped into a predetermined shape and the entire rounded and curved surface is pressed.
- the pressing force is a process for making the disk into a predetermined shape, and in the process, the entire surface and the curved surface are hardened. In comparison, the number of disk manufacturing processes does not increase, and the productivity of the disk can be made comparable.
- the hub surface radius portion is not damaged so as to impair the design. Therefore, when the hub surface rounded portion is cured by press carriage and the disc is molded, even if the coating surface treatment is performed without polishing the design surface side of the hub surface rounded portion, the design properties are impaired. Occurrence of defective coating can be suppressed.
- the press carriage may be one in which the hub surface rounded portion is pressed more strongly than the peripheral portion of the hub surface rounded portion, and the hub surface rounded portion is compared with other parts of the disc. The pressure can be adjusted appropriately as long as the pressure is strong.
- the disk protrudes toward the design surface as compared to the hub surface rounded portion between the rib surface rounded portions adjacent to each other in the direction along the virtual circle set around the hub hole, and A configuration is proposed in which a raised protrusion is formed that extends partially inside the virtual circle. It is.
- the disk has a gear-shaped annular flat surface portion formed inside a virtual circle set around the hub hole, and the gear-shaped annular flat surface portion has a bolt hole or the like.
- a hub surface rounded portion is formed on a projecting arc portion that forms a part of the outer peripheral portion of the gear-shaped annular flat surface portion and is provided around the gap.
- a plurality of hub surface rounded portions are disposed at intervals.
- the compressive residual stress is applied to all the hub surface rounded portions and the strength is improved, so that the desired life life is satisfied.
- the vehicle wheel according to the present invention has the following configuration.
- the outer peripheral portion of the disk is a design surface side flange portion that supports the tire bead in the lateral direction
- the rim is the back surface of the design that also supports the tire bead at the one end in the axial direction of the rim.
- a wheel for an automobile comprising a side flange portion, a joint portion at the other end, and a back surface of a disk joined to the joint portion. Such a configuration is a so-called full-face wheel.
- the rim includes a bead seat portion on which tire beads are seated on both sides in the axial direction of the rim, and one bead seat portion is used as a bead seat portion for fitting, and the disc is used for the fitting. It is an automobile wheel fitted to a bead seat part. Such a configuration is called V, a so-called bead mating wheel.
- the automotive wheel of the present invention includes a disk formed with a plurality of hub surface rounded portions spaced apart from each other, and all the nodular rounded portion is compressed by a compression process that causes work hardening. Since the structure is such that stress is applied, the strength of the rounded portion of the hub surface is improved while maintaining the roundness, and there is an excellent effect of satisfying a desired life life.
- the compression process is a press process in which the disk has a predetermined shape and the hub surface rounded portion is strongly pressed
- an existing disk having a predetermined shape is used. Since the compression process according to the present invention can be performed in the press working process, the strength of all nodal surface failure parts is improved while maintaining the productivity of the disk, which does not require an increase in the number of manufacturing processes. There is an effect that can be made.
- this pressing uses a mold, there is an advantage that the hub surface rounded portion is not damaged so as to impair the design.
- the compression process is a shot peening process performed on the hub surface rounded portion
- a known technique is preferably used to compress the entire nove surface rounded portion. There is an effect that compressive residual stress can be applied.
- a gear-shaped annular flat surface portion is provided, and a hub is provided on the projecting arc portion of the gear-shaped annular flat surface portion.
- the conventional life that has been insufficient in terms of strength due to the concentration of stress on the rounded portion of the hub surface has been solved to achieve the desired lifespan. There is an effect that it can be set as an automobile wheel satisfying the above.
- the outer peripheral portion of the disk is a design surface side flange portion that also supports a side force of the tire bead, and the rim supports the tire bead from the side at one end in the axial direction of the rim.
- the rim includes a bead seat portion on which tire beads are seated on both sides in the axial direction of the rim, and one bead seat portion is used as a bead seat portion for fitting, and the disc is used for the fitting.
- the configuration is such that the bead seat portion is fitted, there is an advantage that the present invention can be applied to the bead fitting wheel.
- the automobile wheel la will be described using a full-face wheel as an example.
- the automobile wheel la is configured by integrally forming a substantially cylindrical rim 2 on which a tire is mounted and a substantially disc-shaped disk 3a.
- the rim 2 is provided with a design rear surface side flange portion 4 that supports a tire bead (not shown) on the inner end disposed on the side of the automobile (not shown) as well as a side force. .
- an inner rim bead seat portion 5 on which a bead (not shown) of a tire is seated is coupled to the design rear surface side flange portion 4.
- a drop portion 7 is formed at the center position of the inner peripheral surface of the rim 2 through an inner wel portion 6 a coupled to the inner rim bead seat portion 5. The drop portion 7 is used to drop the tire bead when the tire is mounted.
- a design surface side bead sheet portion 8 (joint portion) is formed on the rim 2 via an outer well portion 6 b coupled to the drop portion 7. The bead of the tire is also seated on the design surface side bead seat portion 8.
- a hub hole 10 penetrating along the axial direction of the disk 3a is formed in the center of the disk-shaped disk 3a.
- a bolt hole forming flat portion 17 is formed around the hub hole 10 so as to surround the hub hole 10, and five bolt holes 11 are formed in the bolt hole forming flat portion 17.
- the bolt hole forming flat portion 17 is provided so as to be perpendicular to the axial direction of the disk 3a.
- Each bolt hole 11 has a nut seat 12 that swells on the design surface side X (in the direction of the arrow X in FIG. 1) with respect to the bolt hole forming flat portion 17 so as to surround the opening portion. Is provided.
- spoke portions 15 are radially formed in a portion from the outer side in the radial direction of each nut seat 12 to the outer peripheral edge of the disk 3a. Furthermore, a decorative hole 16 is opened between the spoke portions 15 in the circumferential direction. Further, the outer peripheral edge of the disk 3a is bent to the design surface side X to form a design surface side flange portion 25. The design surface side flange portion 25 supports the tire bead also with a lateral force.
- a hub surface R slightly protruding in the design back side Y (in the direction of arrow Y in Fig. 1) is provided between the bolt hole forming flat part 17 and the spoke part 15.
- Part 20 is arranged.
- the rear surface side Y-force of the design of the hub surface rounded portion 20 is a hub mounting surface 21 (see FIG. 1) that comes into contact with the hub (not shown) of the automobile.
- the hub surface rounded portions 20 are equally spaced on a virtual circle 26 (see FIG. 3) set around the hub hole 10 with the center of the hub hole 10 as a virtual center. Five are formed.
- FIG. 3 for convenience of explanation, illustration of the undulations of the spoke portions 15, the decoration holes 16, and the raised protrusions 22 is omitted.
- the predetermined distance between the hub surface rounded portions 20 and 20 adjacent to each other on the virtual circle 26 is higher than the hub surface rounded portion 20 on the design surface side X.
- a raised protrusion 22 that protrudes at this point is arranged.
- the bulge-like protruding portion 22 is formed along the decorative hole 16, and the portion near the hub hole 10 extends to the inner region of the virtual circle 26. Yes.
- the raised protrusions 22 between the hub surface rounded portions 20 are formed so as to protrude toward the hub hole 10, undulations occur along the circumferential direction of the virtual circle 26.
- the outer surface 20 of the hub surface has a high design appearance with a difference in height between the portion 20 and the portion between them.
- the outer shape of the disk 3a is preferably formed by a known press carriage. More specifically, the disk 3a is formed by pressing a plate-like base material made of steel material force multiple times (punching) Manufacturing, pre-drawing, shape drawing, re-striking, and coining). For example, first, a base plate of alloy steel having a substantially square shape, in which four corners are punched into an arc shape protruding outward is prepared. Then, in the preliminary drawing process, a saucer-like intermediate material having a circular hole recess in the central region is formed. Next, in the shape drawing process, a disk-like product is formed in which the nut seat 11, the hub surface rounded portion 20 and the like are formed.
- a disk-shaped product with dimensional accuracy is formed by a second drawing process.
- the design surface side flange portion 25 is formed by a wrist-like process.
- each bolt hole 11 is finished by the coining chain which is the final process.
- the number of processes for manufacturing the disk 3a is not limited to this.
- the all-nove surface rounded portion 20 of the disk 3a according to the present invention is strongly pressed along the axial direction of the disk 3a in the coining check process. More specifically, as shown in FIG. 4, the coining process is performed with a coining punch 3 la and a coining die 3 lb. In addition to finishing the bolt hole 11, the upper die 30a (molding die) and the lower die 30b (molding die) are used to push the entire nove surface radius portion 20 along the axial direction of the disk 3a to a predetermined pressure P Press strongly.
- the hub-faced rounded portion 20 is thinned as compared with the conventional configuration, and work hardening occurs in the portion. It becomes.
- compressive residual stress is applied to the entire nove surface rounded portion 20, and the roundness of the hub wheel round portion 20 is maintained while maintaining the roundness of the automobile wheel la. Strength is improved.
- the step of strongly pressing all the hub surface rounded portions 20 may be a press working step other than the coining cache step. Therefore, the step of strongly pressing all the hub surface rounded portions 20 may not be performed in the final step.
- the discs were compared by paying attention to the hardness (Pickers hardness test method) of the rounded portion on the hub surface.
- the radius of the hub surface in the conventional product is approximately 222.1 (base material hardness: 193.6).
- the hub surface radius portion 20 in this example was approximately 233.1 (base material hardness: 199.9). Therefore, even if the base material hardness is taken into consideration, it can be seen that the hardness of the hub surface rounded portion 20 of this example product is higher than that of the hub surface rounded portion of the conventional product. Thereby, it is considered that the hub surface rounded portion 20 is surely work-hardened by the press carriage.
- the hub surface rounded portion 20 of the disk 3a as an example product was cut from the outer diameter portion toward the center (the two-dot chain line in FIG. 2).
- L the phenomenon that the cutting surface closes after the cutting blade passes can be confirmed. From this, it can be confirmed that compressive residual stress remains in the rounded surface 20 of the hub surface of the disk 3a. In the conventional product, such a phenomenon cannot be confirmed.
- the measurement site is the surface layer (site ex and site r?), From the surface layer (about 0.1 mm deep (site ⁇ and site ⁇ ), between the surface layer and the center of the plate thickness. It is a part (site ⁇ and part ⁇ ) having a depth of about 1.5 mm from the surface layer part, and a part (part ⁇ ) having a depth of about 3.2 mm from the surface layer part in the center of the plate thickness.
- the following tissue states were confirmed for site ⁇ to site 7? The photo magnification was about 1500 times.
- the disk 3a of the present example product has a compact shape in which the metal particles are dense in the surface layer portion.
- the metal particles in the surface layer are sparse and the particles are not compressed.
- this part ⁇ it was confirmed that the gap between the metal particles was changed by the strong pressure according to the present invention.
- the metal particles are compressed.
- the particles are not compressed near the surface layer.
- the strong pressure according to the present invention changes the gaps and shapes between particles in a part close to the surface layer part.
- the product of this example is transformed into a compact and compact shape of individual particles.
- the conventional product has large individual particles.
- this portion ⁇ it was confirmed that in the vicinity of the central portion of the plate thickness, the particles themselves were changed, not the gaps between the particles.
- the metal particles are compressed.
- the particles are not compressed in the portion close to the surface layer.
- the strong pressure according to the present invention changes the gap and shape between the particles in a portion close to the surface layer portion.
- an automobile wheel lb as a bead fitting wheel is composed of a rim 2 and a disk 3b.
- the rim 2 is provided with bead seat portions 5 and 8 ′ on which tire beads are seated on both sides in the axial direction, and the bead seat portion 8 positioned on the design surface side X is fitted with a bead for fitting.
- This is the seat part 8.
- a design surface side flange portion 9 is coupled to the fitting bead sheet portion 8 ′.
- a flange portion 35 is bent toward the design rear surface side Y on the outer peripheral portion of the disk 3b.
- the flange portion 35 of the disc 3b is fitted to the inner periphery of the fitting bead seat portion 8 'of the rim 2, and the fitting portion is joined to constitute an automobile wheel lb.
- the disk 3b shown in FIGS. 13 and 14 includes six bolt holes 11 and six decorative holes 16. Furthermore, a protruding protrusion 22 is formed at a position near the hub hole 10 of the spoke part 15. Further, in the radial direction of the disk 3b, the bolt hole 11, the hub surface rounded portion 20, and the decorative hole 16 are arranged in the same straight line. Even in this configuration, the plurality of hub surface rounded portions 20 are arranged on the virtual circle 26 at intervals, and the hub surface rounded portions 20 and 20 adjacent to each other are arranged between the hub surface rounded portions 20 and 20. Area R A raised protrusion 22 protruding at a predetermined height is arranged on the design surface side X as compared with 20.
- disks 3c and 3d having other external shapes are proposed. Each example will be described below.
- the disk 3c shown in FIGS. 15 and 16 includes five bolt holes 11 and five decorative holes 16. Further, in the radial direction of the disk 3c, the bolt hole 11, the hub surface rounded portion 20, and the spoke 15 are arranged in the same straight line. Further, as the force toward the outer periphery is increased, the spoke portion 15 rises relatively gently on the design surface side X, and the tip portion thereof is located at substantially the same height as the peripheral portion of the decorative hole 16.
- a plurality of hub surface rounded portions 20 are formed on the virtual circle 26 at intervals, and between the adjacent hub surface rounded portions 20, 20, the hub surface A raised protrusion 22 protruding at a predetermined height is disposed on the design surface side X as compared with the rounded portion 20.
- the disc 3d shown in FIGS. 17 and 18 includes six bolt holes 11 and six decorative holes 16. Further, in the radial direction of the disk 3d, it has an external shape in which the bolt hole 11, the hub surface rounded portion 20, and the decorative hole 16 are arranged in the same straight line. Further, a standing wall 33 is formed between the hub face alarm 20 and the decorative hole 16 so as to stand upright to the design surface side X substantially perpendicularly to the hub face rounded portion 20. It is maintained up to the outer periphery of the disk 3d.
- the disk 3d also has a plurality of hub surface rounded portions 20 formed on the virtual circle 26 at intervals, and the hub surface rounded portions 20 and 20 are adjacent to each other. A raised protrusion 22 protruding at a predetermined height is disposed on the design surface side X as compared with 20.
- a bolt hole forming flat surface portion 17 having a gear shape in front view (see FIGS. 3, 14, 15, and 17) is formed inside a virtual circle 26 set around the hub hole 10.
- a plurality of projecting arc portions 29 projecting outward in the radial direction constituting a part of the outer peripheral portion 28 of the bolt hole forming flat portion 17 are respectively formed with ridges and bulge radius portions 20.
- the gear-shaped annular flat surface portion according to the present invention is constituted by the bolt hole forming flat surface portion 17 having a gear shape in front view according to the present embodiment.
- a plurality of hub surface rounded portions 20 are formed at intervals. There is a great significance that stress concentration is applied to the hub surface rounded portion 20 immediately after the stress concentration occurs, thereby increasing the strength.
- the ratio of the length of the hub surface rounded portion 20 to the gap length is as follows.
- a configuration corresponding to the above range is preferably employed.
- the number of bolt holes 11 is preferably 4-6.
- the configuration described so far is a force obtained by applying a compressive residual stress only to the all-knob surface radius portion 20, in addition to the all-nove surface radius portion 20, in addition to each hub surface radius portion 20.
- a compressive residual stress may also be applied by compressing the adjacent region to cause work hardening. For example, by compression processing that causes work hardening on all the outer rising portions 32 that are coupled to the outer peripheral side of the hub surface rounded portion 20 and are inclined to the design surface side X with respect to the hub surface rounded portion 20.
- a configuration in which compressive residual stress is applied can be exemplified. Specifically, in the disk 3a shown in FIGS.
- the outer rising portion 32 is a portion immediately outside the hub face alarm portion 20, and corresponds to the base end position of the spoke portion 15.
- the position close to the hub hole 10 in the edge of the decorative hole 16 corresponds to a portion immediately outside the hub surface rounded portion 20.
- the disc 3c it is a portion immediately outside the hub surface rounded portion 20, and the base end position of the spoke portion 15 corresponds.
- the disk 3d shown in FIGS. 17 and 18 it is a portion immediately outside the hub face ring portion 20, and the position closer to the hub hole 10 in the edge of the decorative hole 16 corresponds.
- the configuration described so far is a force that employs a pressing force using the dies 30a and 30b as a compression process that causes work hardening to occur in all the nove surface rounded portions 20 and the like.
- a shot peaking force may be employed as the compression cover.
- at least one side of all the hub face alarms 20 and the like is subjected to a known shot peening check.
- the shot peening carriage is applied only to the back surface of the design such as the hub surface rounded portion 20, etc.
- the design surface will not be damaged and roughened, and the design property will not be impaired.
- the strength of the hub face radius part 20 or the like is greater than when shot peking care is applied only to the back of the design. It is possible to improve.
- the automotive wheels la and lb according to the present invention are not limited to the above-described embodiments, and can be appropriately modified without departing from the gist of the present invention.
- the hub face alarm portions 20 may be arranged on the virtual circle 26 at equal intervals, or may be arranged in a well-balanced manner according to a certain rule, although they are not equally spaced.
- FIG. 1 is a longitudinal sectional view taken along line AA of FIG. 2, showing an automobile wheel la according to a first embodiment.
- FIG. 2 is a front view of an automobile wheel la provided with a disk 3a.
- FIG. 3 is a front view showing a virtual circle 26 in the disk 3a.
- FIG. 4 is a longitudinal side view showing a press working process in which the disk 3a has a final shape.
- FIG. 5 is an enlarged photograph showing a longitudinal section of the hub surface rounded portion 20.
- FIG. 6 is an enlarged photograph showing the part ⁇ , where a is the product of this example and b is the conventional product.
- FIG. 7 An enlarged photograph showing a part
- FIG. 8 is an enlarged photograph showing the part ⁇ , where a is the product of this example and b is the conventional product.
- FIG. 9 is an enlarged photograph showing the part ⁇ , where a is a product of this example and b is a conventional product.
- FIG. 10 is an enlarged photograph showing the part ⁇ , where a is a product of this example and b is a conventional product.
- FIG. 11 is an enlarged photograph showing the part ⁇ , where a is the product of this example and b is the conventional product.
- FIG. 12 An enlarged photograph showing the part 7 ?, where a is a product of this example and b is a conventional product.
- FIG. 13 is a longitudinal sectional view taken along the line BB of FIG. 14, showing an automobile wheel lb according to a second embodiment.
- FIG. 14 is a front view of an automobile wheel lb provided with a disk 3b.
- FIG. 15 is a front view of a disk 3c according to a third embodiment.
- FIG. 16 is a longitudinal side view taken along the line CC of FIG.
- FIG. 17 is a front view of a disk 3d according to a fourth embodiment.
- FIG. 18 is a longitudinal sectional side view taken along the line D-D in FIG.
- FIG. 19 is a longitudinal side view showing a conventional vehicle wheel a.
- FIG. 20 is an external perspective view showing a disk f having a conventional configuration.
- FIG. 21 is a front view showing a disk f having a conventional configuration.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Rolling Contact Bearings (AREA)
- Tires In General (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/323326 WO2008062521A1 (fr) | 2006-11-22 | 2006-11-22 | Roue d'automobile |
US12/446,415 US20100314932A1 (en) | 2006-11-22 | 2006-11-22 | Automobile wheel |
JP2008545279A JP5090365B2 (ja) | 2006-11-22 | 2006-11-22 | 自動車用ホイール |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/323326 WO2008062521A1 (fr) | 2006-11-22 | 2006-11-22 | Roue d'automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008062521A1 true WO2008062521A1 (fr) | 2008-05-29 |
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ID=39429463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/323326 WO2008062521A1 (fr) | 2006-11-22 | 2006-11-22 | Roue d'automobile |
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US (1) | US20100314932A1 (ja) |
JP (1) | JP5090365B2 (ja) |
WO (1) | WO2008062521A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012086672A (ja) * | 2010-10-20 | 2012-05-10 | Rintekkusu Kk | 自動車用ホイール |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008048389B4 (de) * | 2008-09-22 | 2015-02-05 | Thyssenkrupp Steel Europe Ag | Felge für ein Kraftfahrzeug |
US9302535B2 (en) * | 2012-04-24 | 2016-04-05 | Central Motor Wheel Co., Ltd. | Automobile wheel |
DE102016202381B4 (de) * | 2016-02-17 | 2022-08-18 | Thyssenkrupp Ag | Fahrzeugrad |
US10661602B2 (en) | 2017-10-05 | 2020-05-26 | Ford Global Technologies, Llc | Reinforced composite hybrid wheel construction |
CN110315904A (zh) * | 2019-07-23 | 2019-10-11 | 浙江金固股份有限公司 | 车轮 |
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JPS62244538A (ja) * | 1986-03-31 | 1987-10-24 | モ−タ−・ホイ−ル・コ−ポレ−シヨン | 車輪にボルト及び中央案内孔を形成するための装置及び方法並びに車両用車輪 |
JPH08183301A (ja) * | 1993-12-10 | 1996-07-16 | Motor Wheel Corp | 可変オフセットフルフェースホイールとその製造方法 |
JPH10513414A (ja) * | 1995-02-08 | 1998-12-22 | マンネスマン・アクチエンゲゼルシャフト | 自動車車輪ホイールディスク及びその製造方法 |
JP2001071702A (ja) * | 1999-09-03 | 2001-03-21 | Honda Motor Co Ltd | 車両用ホイール構造 |
JP2001246901A (ja) * | 2000-03-06 | 2001-09-11 | Topy Ind Ltd | 大・中型スチールホイールの疲労寿命向上方法 |
JP2002293103A (ja) * | 2001-03-30 | 2002-10-09 | Topy Ind Ltd | 大型車輛用アルミホイールおよびその製造方法 |
JP2005074489A (ja) * | 2003-09-02 | 2005-03-24 | Chuo Motor Wheel Co Ltd | 自動車用ホイールの製造方法 |
JP2005343230A (ja) * | 2004-06-01 | 2005-12-15 | Rintekkusu Kk | 自動車用車輪 |
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US4819472A (en) * | 1986-03-31 | 1989-04-11 | Motor Wheel Corporation | Method of wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly |
US4917440A (en) * | 1984-11-01 | 1990-04-17 | Motor Wheel Corporation | Method of wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly, apparatus for performing such method, and the resulting wheel |
US4610482A (en) * | 1985-03-07 | 1986-09-09 | Motor Wheel Corporation | Vehicle wheel with disc forming outer tire retaining flange |
US4874338A (en) * | 1987-03-31 | 1989-10-17 | Amp Incorporated | Receptacle box terminal with improved contact area |
US4788765A (en) * | 1987-11-13 | 1988-12-06 | Gentron Corporation | Method of making circuit assembly with hardened direct bond lead frame |
US6695201B2 (en) * | 2001-08-23 | 2004-02-24 | Scroll Technologies | Stress relieved lower shell for sealed compressors |
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2006
- 2006-11-22 US US12/446,415 patent/US20100314932A1/en not_active Abandoned
- 2006-11-22 JP JP2008545279A patent/JP5090365B2/ja not_active Expired - Fee Related
- 2006-11-22 WO PCT/JP2006/323326 patent/WO2008062521A1/ja active Application Filing
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JPS62244538A (ja) * | 1986-03-31 | 1987-10-24 | モ−タ−・ホイ−ル・コ−ポレ−シヨン | 車輪にボルト及び中央案内孔を形成するための装置及び方法並びに車両用車輪 |
JPH08183301A (ja) * | 1993-12-10 | 1996-07-16 | Motor Wheel Corp | 可変オフセットフルフェースホイールとその製造方法 |
JPH10513414A (ja) * | 1995-02-08 | 1998-12-22 | マンネスマン・アクチエンゲゼルシャフト | 自動車車輪ホイールディスク及びその製造方法 |
JP2001071702A (ja) * | 1999-09-03 | 2001-03-21 | Honda Motor Co Ltd | 車両用ホイール構造 |
JP2001246901A (ja) * | 2000-03-06 | 2001-09-11 | Topy Ind Ltd | 大・中型スチールホイールの疲労寿命向上方法 |
JP2002293103A (ja) * | 2001-03-30 | 2002-10-09 | Topy Ind Ltd | 大型車輛用アルミホイールおよびその製造方法 |
JP2005074489A (ja) * | 2003-09-02 | 2005-03-24 | Chuo Motor Wheel Co Ltd | 自動車用ホイールの製造方法 |
JP2005343230A (ja) * | 2004-06-01 | 2005-12-15 | Rintekkusu Kk | 自動車用車輪 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2012086672A (ja) * | 2010-10-20 | 2012-05-10 | Rintekkusu Kk | 自動車用ホイール |
Also Published As
Publication number | Publication date |
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US20100314932A1 (en) | 2010-12-16 |
JP5090365B2 (ja) | 2012-12-05 |
JPWO2008062521A1 (ja) | 2010-03-04 |
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