JPH0452038A - Formation of vehicle wheel and its rim stock - Google Patents
Formation of vehicle wheel and its rim stockInfo
- Publication number
- JPH0452038A JPH0452038A JP15830590A JP15830590A JPH0452038A JP H0452038 A JPH0452038 A JP H0452038A JP 15830590 A JP15830590 A JP 15830590A JP 15830590 A JP15830590 A JP 15830590A JP H0452038 A JPH0452038 A JP H0452038A
- Authority
- JP
- Japan
- Prior art keywords
- rim
- vehicle wheel
- cylindrical member
- tubular member
- forming
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000009987 spinning Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000010409 ironing Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、車両用ホイールの成形方法およびそのホイ
ールリムの素材に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for molding a vehicle wheel and a material for the wheel rim.
従来において、筒状部材Ａからスピニング成形によって
ホイールリムＲを製造する場合には第４図に示すように
、筒状部材への外周壁面を裂開具９によって周方向に裂
開して周方向の断面を略■字状に形成し、その後、マン
ドレル４１．４２の成形面に沿って前記筒状部材Ａを幅
方向に扱いていた。Conventionally, when manufacturing a wheel rim R from a cylindrical member A by spinning, as shown in FIG. After that, the cylindrical member A was handled in the width direction along the molding surfaces of the mandrels 41 and 42.
〔発明が解決しようとする課題］
発明者は、前記従来の製造方法によって得られる車両用
ホイールのリムよりも強度の向上したものを得ようとし
て鋭意研究した。[Problems to be Solved by the Invention] The inventor conducted extensive research in an attempt to obtain a vehicle wheel rim with improved strength compared to that obtained by the conventional manufacturing method.
この発明の課題は、従来の車両用ホイールのリム製造方
法によって得られるリムよりも強度の向上したリムを製
造する方法およびその製造過程に要するリム素材を提供
することである。An object of the present invention is to provide a method for manufacturing a rim with improved strength compared to a rim obtained by a conventional vehicle wheel rim manufacturing method, and a rim material required for the manufacturing process.
前記課題を達成するために、この発明に係る車両用ホイ
ールの成形方法においては、筒状部材の外周壁部を塑性
変形によってその周方向断面を略Ｕ字状に形成し、その
後、スピニング成形によって前記筒状部材を幅方向に扱
くことにより車両用ホイールリムを形成するものである
。In order to achieve the above object, in the method for forming a vehicle wheel according to the present invention, the outer circumferential wall of a cylindrical member is formed into a substantially U-shaped circumferential cross section by plastic deformation, and then formed by spinning forming. A vehicle wheel rim is formed by handling the cylindrical member in the width direction.
又、この発明に係る車両用ホイールのリム素材において
は、筒状部材の周壁部を塑性変形によってその周方向断
面を略Ｕ字状に形成したものである。Further, in the rim material for a vehicle wheel according to the present invention, the circumferential wall portion of the cylindrical member is plastically deformed to form a substantially U-shaped cross section in the circumferential direction.
この発明に係る車両用ホイールの成形方法は上記のよう
に構成されているため、即ち、筒状部材の外周壁部を塑
性変形によってその周方向断面を略Ｕ字状に形成し、そ
の後、スピニング成形によって前記筒状部材を幅方向に
扱いているため、筒状部材の組織が切断されない状態で
車両用ホィールのリムを得ることができる。Since the method for forming a vehicle wheel according to the present invention is configured as described above, the outer circumferential wall of the cylindrical member is plastically deformed to form its circumferential cross section into a substantially U-shape, and then spinning Since the cylindrical member is handled in the width direction by molding, the rim of the vehicle wheel can be obtained without cutting the structure of the cylindrical member.
又、この発明に係る車両用ホイールのリム素材は、筒状
部材の外周壁部を塑性変形によってその周方向断面を略
Ｕ字状に形成したものであるため、この素材を用いて車
両用ホイールのリムをスピニング成形すれば筒状部材の
組織が切断されない状態で車両用ホイールのリムを得る
ことができる。Furthermore, since the rim material for a vehicle wheel according to the present invention is formed by plastically deforming the outer circumferential wall of a cylindrical member to have a substantially U-shaped cross section in the circumferential direction, this material can be used to create a vehicle wheel. By spinning-molding the rim, it is possible to obtain a rim for a vehicle wheel without cutting the structure of the cylindrical member.
以下、第１図〜第３図に基づいてこの発明の詳細な説明
する。Hereinafter, the present invention will be explained in detail based on FIGS. 1 to 3.
第１図及び第２図において、１はリム素材成形型であり
、右型１１と左型１２とを接触固定させたものである。In FIGS. 1 and 2, reference numeral 1 denotes a rim material molding die, in which a right die 11 and a left die 12 are fixed in contact with each other.
１３はリム成形型１の成形面であり、前記右型１１およ
び左型１２の対向面において周方向に形成されている。13 is a molding surface of the rim mold 1, which is formed in the circumferential direction on the facing surface of the right mold 11 and left mold 12.
この成形面１３は断面（周方向の）が略矩形状をしてい
る。Ａは筒状部材であり、前記右型１１と左型１２とに
よって挟持されている。この状態で、リム素材成形型１
を軸心の回りに回転させながら、回転押圧具２によって
前記筒状部材Ａの周壁面を押圧する。すると、筒状部材
Ａは断面（周方向の）が略Ｕ字状に形成され、所謂、車
両用ホイールのリム素材３が形成される。このとき、リ
ム素材３の内周面には連結突条３１が同時に形成されて
いる。この連結突条３１はリム部Ｒ成形後にこのリム部
Ｒとディスク部材（開示せず）とを連結固定する際に使
用されるものである。The molding surface 13 has a substantially rectangular cross section (in the circumferential direction). A is a cylindrical member, which is held between the right mold 11 and the left mold 12. In this state, rim material mold 1
The circumferential wall surface of the cylindrical member A is pressed by the rotary pressing tool 2 while being rotated around the axis. Then, the cylindrical member A has a substantially U-shaped cross section (in the circumferential direction), and a so-called rim material 3 of a vehicle wheel is formed. At this time, connecting protrusions 31 are simultaneously formed on the inner circumferential surface of the rim material 3. This connecting protrusion 31 is used to connect and fix the rim portion R and a disk member (not disclosed) after the rim portion R is molded.
次に、第３図において、４はホイール成形用マンドレル
装置であり、右マンドレル４１と左マンドレル４２とを
接触固定させたものである。この右マンドレル４１と左
マンドレル４２とによって前記リム素材３の連結突条３
１を挟持する。そして、この状態で、マンドレル装置４
を軸心の回りに回転させながら、回転押圧具５によって
前記リム素材３を前記マンドレル４１．４２の成形面に
沿って外側（矢印参照）に扱けば、車両用ホイールのリ
ム（仮想線の図を参照のこと）Ｒがスピニング成形され
る。Next, in FIG. 3, 4 is a mandrel device for forming a wheel, in which a right mandrel 41 and a left mandrel 42 are fixed in contact with each other. The connecting protrusion 3 of the rim material 3 is formed by the right mandrel 41 and the left mandrel 42.
Hold 1. In this state, the mandrel device 4
By rotating the rim material 3 around its axis and handling the rim material 3 outward (see arrow) along the molding surfaces of the mandrels 41 and 42 using the rotary pressing tool 5, the rim of the vehicle wheel (indicated by the imaginary line) is formed. (See figure) R is spun molded.
（発明の効果〕
この発明に係る車両用ホイールのリム成形方法は、筒状
部材の外周壁部を塑性変形によってその周方向断面を略
Ｕ字状に形成し、その後、スピニング成形によって前記
筒状部材を幅方向に扱くことにより車両用ホイールリム
を形成するものであるため、
筒状部材の組織が切断されない状態で車両用ホイールの
リムを得ることができる。(Effects of the Invention) In the method for forming a rim of a vehicle wheel according to the present invention, the outer circumferential wall of a cylindrical member is plastically deformed to form its circumferential cross section into a substantially U-shape, and then, by spinning forming, the rim is shaped into the cylindrical shape. Since the vehicle wheel rim is formed by handling the member in the width direction, the vehicle wheel rim can be obtained without cutting the structure of the cylindrical member.
よって、この車両用ホイールの成形方法を使用すれば、
従来よりも強度の向上した車両用ホィールのリムを得る
ことができる。Therefore, if this vehicle wheel molding method is used,
It is possible to obtain a vehicle wheel rim with improved strength than before.
又、この発明に係る車両用ホイールのリム素材は筒状部
材の外周壁部を塑性変形によってその周方向断面を略Ｕ
字状に形成したものでため、この素材を用いて車両用ホ
イールのリムをスピニング成形すれば筒状部材の組織が
切断されない状態で車両用ホイールのリムを得ることが
できる。Further, in the rim material for a vehicle wheel according to the present invention, the outer circumferential wall of the cylindrical member is plastically deformed so that its circumferential cross section is approximately U.
Since it is formed in a letter shape, by spinning the rim of a vehicle wheel using this material, the rim of a vehicle wheel can be obtained without cutting the structure of the cylindrical member.
よって、この車両用ホイールのリム素材を使用してスピ
ニング成形すれば、従来よりも強度の向上した車両用ホ
イールのリムを得ることができる。Therefore, by performing spinning molding using this vehicle wheel rim material, it is possible to obtain a vehicle wheel rim with improved strength compared to the conventional one.
図面はこの発明の実施例を示すものであり、第１図〜第
３図は成形工程の断面図、
第４図は従来の工程図である。
Ａ ・・・ 筒状部材
Ｒ・・・ 車両用ホイールリム
３ ・・・ 車両用リム素材
ｑゴ
！
図
条２２
！
第３図The drawings show an embodiment of the present invention, and FIGS. 1 to 3 are sectional views of the molding process, and FIG. 4 is a conventional process diagram. A... Cylindrical member R... Vehicle wheel rim 3... Vehicle rim material q! Figure 22! Figure 3
Claims (2)
方向断面を略Ｕ字状に形成し、その後、スピニング成形
によって前記筒状部材を幅方向に扱くことにより車両用
ホィールリムを形成する車両用ホィールの成形方法。(1) A wheel rim for a vehicle is formed by plastically deforming the outer circumferential wall of a cylindrical member to form a substantially U-shaped circumferential cross section, and then handling the cylindrical member in the width direction by spinning. A method for forming vehicle wheels.
方向断面を略Ｕ字状に形成した車両用ホィールのリム素
材。(2) A rim material for a vehicle wheel, in which the outer circumferential wall of a cylindrical member is plastically deformed to have a substantially U-shaped cross section in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15830590A JPH0452038A (en) | 1990-06-16 | 1990-06-16 | Formation of vehicle wheel and its rim stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15830590A JPH0452038A (en) | 1990-06-16 | 1990-06-16 | Formation of vehicle wheel and its rim stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452038A true JPH0452038A (en) | 1992-02-20 |
Family
ID=15668724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15830590A Pending JPH0452038A (en) | 1990-06-16 | 1990-06-16 | Formation of vehicle wheel and its rim stock |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452038A (en) |
-
1990
- 1990-06-16 JP JP15830590A patent/JPH0452038A/en active Pending
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