JPH02274338A - Cylindrical stock for spinning and method for spinning cylindrical body - Google Patents
Cylindrical stock for spinning and method for spinning cylindrical bodyInfo
- Publication number
- JPH02274338A JPH02274338A JP1093339A JP9333989A JPH02274338A JP H02274338 A JPH02274338 A JP H02274338A JP 1093339 A JP1093339 A JP 1093339A JP 9333989 A JP9333989 A JP 9333989A JP H02274338 A JPH02274338 A JP H02274338A
- Authority
- JP
- Japan
- Prior art keywords
- spinning
- mandrel
- cylindrical body
- peripheral surface
- cylindrical
- 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.)
- Granted
Links
- 238000009987 spinning Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims description 10
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 33
- 238000000465 moulding Methods 0.000 claims description 20
- 239000012467 final product Substances 0.000 abstract description 3
- 238000005242 forging Methods 0.000 abstract description 2
- 238000010409 ironing Methods 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Forging (AREA)
- 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〕
この発明はスピニング成形用筒状素材および筒体のスピ
ニング成形方法に関し、例えば、車両用ホイールを製造
する際に使用されるものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a cylindrical material for spinning and a method for spinning a cylindrical body, and is used, for example, in manufacturing vehicle wheels.
車両用ホイールをスピニング成形する場合、従来におい
ては、成形用マンドレルにホイール素材を取りつけ、前
記マンドレルを回転させながら、押圧部材によって前記
ホイール素材を前記マンドレルの成形面に沿って扱いて
いた。Conventionally, when spinning a vehicle wheel, a wheel material is attached to a molding mandrel, and while the mandrel is rotated, the wheel material is handled along the molding surface of the mandrel by a pressing member.
［発明が解決しようとする課題］
しかしながら、かかる従来のスピニング成形方法にあっ
ては、マンドレルに抜き勾配を設ける必要上、車両用ホ
イールのスポーク部とリム部との連設部が肉厚とならざ
るを得ず、この結果、車両用ホイールの重量が重く成り
やすいという不都合を有した。[Problems to be Solved by the Invention] However, in such a conventional spinning forming method, since it is necessary to provide a draft angle on the mandrel, the continuous part between the spoke part and the rim part of the vehicle wheel has to be thick. As a result, the weight of the vehicle wheel tends to increase, which is disadvantageous.
この発明の課題は、かかる不都合を解消することである
。An object of the present invention is to eliminate such inconveniences.
前記課題を解決するために、この発明のスピニング成形
用筒状素材においては、筒体の内周面に幅方向に沿って
溝部を形成したものである。In order to solve the above problems, in the cylindrical material for spinning molding of the present invention, a groove is formed along the width direction on the inner circumferential surface of the cylindrical body.
また、この発明の筒体のスピニング成形方法においては
、筒体の内周面に幅方向に沿って溝部を形成したスピニ
ング成形用筒状素材を、マンドレルに外嵌めした状態で
固定し、このマンドレルを軸心を中心として回転させる
ことにより前記筒状素材を回転させ、前記筒体の円面を
部分的に押圧具によって押圧しながら前記マンドレルの
成形面に沿って扱くものである。In addition, in the method for spinning a cylinder of the present invention, a cylindrical material for spinning forming in which a groove is formed along the width direction on the inner peripheral surface of the cylinder is fixed in a state where it is fitted onto a mandrel. The cylindrical material is rotated by rotating the cylindrical material around its axis, and the cylindrical material is handled along the molding surface of the mandrel while partially pressing the circular surface of the cylindrical body with a pressing tool.
この発明に係るスピニング成形用筒状素材は上記のよう
に構成されているため、マンドレルに固定し、このマン
ドレルを回転させることにより前記筒状素材における前
記筒体の外周面を部分的に押圧具によって押圧しながら
前記マンドレルの成形面に沿って扱けば、前記筒体の内
周面に断続的に凹部を形成することができる。Since the cylindrical material for spinning molding according to the present invention is configured as described above, it is fixed to a mandrel, and by rotating this mandrel, the outer peripheral surface of the cylindrical body of the cylindrical material is partially pressed by a pressing tool. By handling it along the molding surface of the mandrel while pressing it, recesses can be formed intermittently on the inner circumferential surface of the cylindrical body.
また、この発明に係る筒体のスピニング成形方法は上記
のように構成されているため、前記凹部をスピニング成
形によって設けることができる。Further, since the method for spinning a cylindrical body according to the present invention is configured as described above, the recess can be provided by spinning.
以下、この発明の実施例として車両用ホイールのスピニ
ング成形方法を採り上げ、以下、図面に基づいて説明す
る。EMBODIMENT OF THE INVENTION Hereinafter, a spinning molding method for a vehicle wheel will be taken up as an embodiment of the present invention, and will be explained based on the drawings.
第１図〜第４図において、１は車両用ホイール素材（こ
の発明の「スピニング成形用筒状素材」に相当する。）
であり、鍛造によって一体成形されている。この車両用
ホイール素材ｌは、後記するように、スピニング成形に
よって車両用ホイルＷに成形される。１１はホイール素
材１のディスク部、１２，１２．・・・は同スポーク部
である。In FIGS. 1 to 4, 1 is a vehicle wheel material (corresponding to the "cylindrical material for spinning molding" of the present invention).
It is integrally formed by forging. This vehicle wheel material I is formed into a vehicle wheel W by spinning molding, as will be described later. 11 is a disk portion of the wheel material 1; 12, 12. ... is the same spoke part.
このスポーク部１２．１２．・・・は前記ディスク部１
１から放射状に延び、リム部（この発明の「筒体」に相
当する。）１３の端縁に連設されている。This spoke portion 12.12. ... is the disk part 1
It extends radially from 1 and is connected to the edge of a rim portion 13 (corresponding to the "cylindrical body" of the present invention).
なお、１１１はディスク部１１の車軸孔である。Note that 111 is an axle hole of the disk portion 11.
次に、１３１．１３１．・・・は溝であり、前記リム部
１３の内周面に、前記リム部１３を外側に湾曲させるこ
とにより形成されている。この溝１３１は前記スポーク
部１２の連設部から幅方向（リム部１３の）に沿って延
びている。また、１２１１２１、・・・は補助溝であり
、前記スポーク部１２゜１２、・・・の裏側に形成され
ている。この補助溝１２１は前記リム部１３の溝１３１
に各々つながっている。なお、ホイール素材ｌの状態に
あっては、窓部１４，１４．・・・は未だ貫通していな
いものである。Next, 131.131. ... is a groove, which is formed on the inner circumferential surface of the rim portion 13 by curving the rim portion 13 outward. This groove 131 extends from the continuous portion of the spoke portion 12 along the width direction (of the rim portion 13). Further, 121121, . . . are auxiliary grooves, which are formed on the back side of the spoke portions 12° 12, . This auxiliary groove 121 corresponds to the groove 131 of the rim portion 13.
are connected to each other. Note that in the state of the wheel material I, the window portions 14, 14. . . . has not yet penetrated.
次に、第５図および第６図において、前記ホイル素材１
を使用したスピニング成形方法を説明する。Next, in FIGS. 5 and 6, the foil material 1
The spinning molding method using this will be explained.
第５図において、５はスピニング成形用マンドレルであ
り、軸心５１の回りに回転可能である。In FIG. 5, 5 is a spinning molding mandrel, which is rotatable around an axis 51. In FIG.
このマンドレル５には前記ホイール素材１が外嵌めされ
、テールストック６によって挟持されている。このとき
、ホイール素材１における前記溝部１３１の底面と前記
マンドレル５の成形面との間には、略溝部１３１の深さ
に相当する隙間Ｓ、Ｓ。The wheel material 1 is fitted onto the mandrel 5 and held by the tail stock 6. At this time, there are gaps S, S approximately corresponding to the depth of the groove 131 between the bottom surface of the groove 131 in the wheel material 1 and the molding surface of the mandrel 5.
・・・が生ずる。この隙間Ｓ、Ｓ、・・・はリム部１３
の幅方向に延びている。... occurs. These gaps S, S,... are the rim part 13
It extends in the width direction.
この状態で、前記マンドレル５を軸心５１の回りに回転
させながら、押圧具７をリム部１３の略中間部に当て、
この押圧具７によって、前記リム部１３をこの中間部か
ら外側（矢印方向）に沿つて扱くことにより、車両用ホ
イール（第５図の仮想線の状Ｕ）Ｗをスピニング成形す
る。このとき、前記リム部１３の付けｍ、＜スポーク部
１２との連設部）には前記凹部８が形成される。In this state, while rotating the mandrel 5 around the axis 51, the pressing tool 7 is applied to approximately the middle part of the rim portion 13,
By handling the rim portion 13 from the intermediate portion outward (in the direction of the arrow) using the pressing tool 7, a vehicle wheel W (shape U shown by the imaginary line in FIG. 5) is formed by spinning. At this time, the recess 8 is formed at the attachment m of the rim portion 13 (<the continuous portion with the spoke portion 12).
なお、第６図に示すように、スピニング成形された車両
用ホイール（仮想線の図参照）は、切削加工することに
より、最終製品（実線の図）が得られる。このとき、前
記窓部１４．１４．・・・も貫通された状態となる。As shown in FIG. 6, the spinning-molded vehicle wheel (see the imaginary line) is cut into a final product (solid line). At this time, the window portions 14.14. ... is also penetrated.
この発明のスピニング成形用筒状素材においては、筒体
の内周面に幅方向に沿って溝部を形成したため、
このＭ状素材をマンドレルに固定し、このマンドレルを
回転させることにより前記筒状素材における前記筒体の
外周面を部分的に押圧具によって押圧しながら前記マン
ドレルの成形面に沿って扱けば、前記筒体の内周面の断
続的に凹部を形成することができる。In the cylindrical material for spinning molding of the present invention, since the groove is formed along the width direction on the inner circumferential surface of the cylindrical body, this M-shaped material is fixed to a mandrel, and by rotating this mandrel, the cylindrical material is By handling the outer circumferential surface of the cylindrical body along the molding surface of the mandrel while partially pressing it with a pressing tool, recesses can be formed intermittently on the inner circumferential surface of the cylindrical body.
よって、このスピニング成形用筒状素材を使用すれば、
従来と異なり、スピニング成形される筒体の根幹部（車
両用ホイールのリム部とスポーク部との連設部）の内周
面に凹部を形成できる結果、筒体の軽量化を図ることが
できる。Therefore, if you use this cylindrical material for spinning molding,
Unlike conventional methods, it is possible to form a recess on the inner circumferential surface of the base of the spin-molded cylinder (the connection between the rim and spokes of a vehicle wheel), which makes it possible to reduce the weight of the cylinder. .
また、この発明の筒体のスピニング成形方法においては
、筒体の内周面に幅方向に沿って溝部を形成したスピニ
ング成形用筒状素材を、マンドレルに外嵌めした状態で
固定し、このマンドレルを軸心を中心として回転させる
ことにより前記筒状素材を回転させ、前記筒体の周面を
部分的に押圧具によって押圧しながら前記マンドレルの
成形面に沿って扱くものであるため、前記凹部をスピニ
ング成形によって設けることができ。In addition, in the method for spinning a cylinder of the present invention, a cylindrical material for spinning forming in which a groove is formed along the width direction on the inner peripheral surface of the cylinder is fixed in a state where it is fitted onto a mandrel. The cylindrical material is rotated by rotating the cylindrical material around its axis, and the cylindrical material is handled along the molding surface of the mandrel while partially pressing the circumferential surface of the cylindrical body with a pressing tool. The concave portion can be provided by spinning molding.
よって、この筒体のスピニング成形方法を使用すれば、
従来と異なり、スピニング成形される筒体の根幹部（車
両用ホイールのリム部とスポーク部との連設部）の内周
面に凹部を形成できる結果、筒体の軽量化を図ることが
できる。Therefore, if you use this cylindrical spinning method,
Unlike conventional methods, it is possible to form a recess on the inner circumferential surface of the base of the spin-molded cylinder (the connection between the rim and spokes of a vehicle wheel), which makes it possible to reduce the weight of the cylinder. .
第１図この発明の実施例を示すものであり、第１図は車
両用ホイール素材の表面側斜視図、第２図は同裏面側斜
視図、
第３図は同裏面図、
第４図は第３図におけるＩＶ −ＩＶ線断面図、第５図
は車両用ホイール素材をマンドレルに設置した状態の断
面図、
第６図は車両用ホイールの最終製品の断面図である。
・・・ 車両用ホイール素材
（スピニング成形用筒状素材）
・・・ リム部（筒体）
・・・ 溝部
・・・ マンドレル
・・・ 軸心（マンドレルの）
・・・ 押圧具
纂１図
６２図
／３／
瀉３図
り、Ｖ
第５図
第４図
第６図
、／〜Fig. 1 shows an embodiment of the present invention, Fig. 1 is a perspective view of the front side of a vehicle wheel material, Fig. 2 is a perspective view of the back side of the same, Fig. 3 is a back view of the same, and Fig. 4 is a perspective view of the same. FIG. 3 is a cross-sectional view taken along the line IV--IV in FIG. 3, FIG. 5 is a cross-sectional view of a vehicle wheel material placed on a mandrel, and FIG. 6 is a cross-sectional view of a final product of a vehicle wheel. ... Vehicle wheel material (cylindrical material for spinning molding) ... Rim section (cylindrical body) ... Groove section ... Mandrel ... Axis center (of mandrel) ... Pressing tool set 1 Figure 62 Figure/3/ Figure 3, V Figure 5, Figure 4, Figure 6, /~
Claims (2)
ことを特徴とするスピニング成形用筒状素材。(1) A cylindrical material for spinning forming, characterized in that a groove is formed along the width direction on the inner peripheral surface of the cylindrical body.
スピニング成形用筒状素材を、マンドレルに外嵌めした
状態で固定し、このマンドレルを軸心を中心として回転
させることにより前記筒状素材を回転させ、前記筒体の
周面を部分的に押圧具によって押圧しながら前記マンド
レルの成形面に沿って扱くことを特徴とする筒体のスピ
ニング成形方法。(2) By fixing a cylindrical material for spinning molding in which a groove is formed along the width direction on the inner peripheral surface of the cylindrical body in a state where it is fitted onto a mandrel, and rotating this mandrel around its axis. A method for spinning a cylindrical body, characterized in that the cylindrical material is rotated and handled along the molding surface of the mandrel while partially pressing the peripheral surface of the cylindrical body with a pressing tool.
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1093339A JP2775288B2 (en) | 1989-04-13 | 1989-04-13 | Spindle forming cylindrical material and spinning method of cylindrical body |
| AU43606/89A AU639674B2 (en) | 1988-10-24 | 1989-10-20 | Spinning molding process, spinning molding apparatus, spinning molding raw material, spinning molding process of vehicle wheel, and spinning molding apparatus of vehicle wheel |
| EP89119657A EP0366049B1 (en) | 1988-10-24 | 1989-10-23 | Spinning molding process, spinning molding apparatus, spinning molding raw material, spinning molding process of vehicle wheel, and spinning molding apparatus of vehicle wheel |
| AT89119657T ATE101066T1 (en) | 1988-10-24 | 1989-10-23 | METHOD FOR PRESSING METHOD, PRESSING DEVICE, PRESSING RAW MATERIAL, METHOD AND DEVICE FOR PRESSING A VEHICLE WHEEL. |
| DE89119657A DE68912874D1 (en) | 1988-10-24 | 1989-10-23 | Flow press method, flow press device, flow press of raw material, flow press method and device for a vehicle wheel. |
| DE68912874T DE68912874T4 (en) | 1988-10-24 | 1989-10-23 | Flow press method, flow press device, flow press of raw material, flow press method and device for a vehicle wheel. |
| US07/426,953 US5092040A (en) | 1988-10-24 | 1989-10-24 | Spin molding process for manufacturing a vehicle wheel |
| KR1019890015281A KR930010312B1 (en) | 1988-10-24 | 1989-10-24 | Spin forming method of vehicle wheel and spinning molding device of vehicle wheel |
| CA002001372A CA2001372A1 (en) | 1988-10-24 | 1989-10-24 | Spinning molding process for manufacturing a vehicle wheel |
| KR1019920005971A KR930010314B1 (en) | 1988-10-24 | 1992-04-10 | Spin forming method and spinning forming device |
| KR1019920005972A KR930010315B1 (en) | 1988-10-24 | 1992-04-10 | Spinning Molded Material |
| AU16096/92A AU651197B2 (en) | 1988-10-24 | 1992-05-07 | A spinning molding process |
| AU39824/93A AU657411B2 (en) | 1988-10-24 | 1993-05-26 | A spin molding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1093339A JP2775288B2 (en) | 1989-04-13 | 1989-04-13 | Spindle forming cylindrical material and spinning method of cylindrical body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02274338A true JPH02274338A (en) | 1990-11-08 |
| JP2775288B2 JP2775288B2 (en) | 1998-07-16 |
Family
ID=14079511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1093339A Expired - Fee Related JP2775288B2 (en) | 1988-10-24 | 1989-04-13 | Spindle forming cylindrical material and spinning method of cylindrical body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2775288B2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5377869A (en) * | 1976-12-22 | 1978-07-10 | Toyota Motor Co Ltd | Manufacturing method of gear out of flat plate |
| JPS58342A (en) * | 1981-06-23 | 1983-01-05 | Sugino Tekkosho:Kk | Manufacture of chain wheel |
| JPS6046823A (en) * | 1984-03-05 | 1985-03-13 | Kobe Steel Ltd | Manufacture of car wheel made of aluminum or aluminum alloy |
| JPS6297735A (en) * | 1985-10-21 | 1987-05-07 | Kobe Steel Ltd | Ring mill working method |
-
1989
- 1989-04-13 JP JP1093339A patent/JP2775288B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5377869A (en) * | 1976-12-22 | 1978-07-10 | Toyota Motor Co Ltd | Manufacturing method of gear out of flat plate |
| JPS58342A (en) * | 1981-06-23 | 1983-01-05 | Sugino Tekkosho:Kk | Manufacture of chain wheel |
| JPS6046823A (en) * | 1984-03-05 | 1985-03-13 | Kobe Steel Ltd | Manufacture of car wheel made of aluminum or aluminum alloy |
| JPS6297735A (en) * | 1985-10-21 | 1987-05-07 | Kobe Steel Ltd | Ring mill working method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2775288B2 (en) | 1998-07-16 |
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