JP2775288B2 - Spindle forming cylindrical material and spinning method of cylindrical body - Google Patents
Spindle forming cylindrical material and spinning method of cylindrical bodyInfo
- Publication number
- JP2775288B2 JP2775288B2 JP1093339A JP9333989A JP2775288B2 JP 2775288 B2 JP2775288 B2 JP 2775288B2 JP 1093339 A JP1093339 A JP 1093339A JP 9333989 A JP9333989 A JP 9333989A JP 2775288 B2 JP2775288 B2 JP 2775288B2
- Authority
- JP
- Japan
- Prior art keywords
- spinning
- rim portion
- wheel material
- mandrel
- rim
- 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.)
- Expired - Fee Related
Links
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車両用ホイール素材およ
びこの素材のスピニング成形方法に関し、車両用ホイー
ルを製造する際に使用されるものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spinning molding wheel material for a vehicle and a spinning molding method of this material, which is used when manufacturing a vehicle wheel.
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, the wheel material is attached to a molding mandrel,
While rotating the mandrel, the wheel material is handled along the forming 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 molding method, it is necessary to provide a draft angle on the mandrel, and if the continuous portion between the spoke portion and the rim portion of the vehicle wheel is thick, As a result, there is a disadvantage that the weight of the vehicle wheel tends to be heavy.
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 inconvenience.
前記課題を解決するために、この発明に係るスピニン
グ成形用車両用ホイール素材においては、ディスク部と
リム部を連設するスポーク部を有するスピニング成形用
車両用ホイール素材において、前記リム部に前記スポー
ク部との連設部からリム部幅方向に沿ってその内周面に
溝部を形成したため、当該車両用ホイール素材をマンド
レルに固定し、このマンドレルを回転させることにより
前記スピニング成形用車両用ホイール素材におけるリム
部を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、前記スピニング成形用車
両用ホイール素材のリム部の内周面にリム部幅方向に沿
って断続的に凹部を形成することができる。In order to solve the above-mentioned problems, in a wheel material for a spinning molding vehicle according to the present invention, in a wheel material for a spinning molding vehicle having a spoke portion connecting a disk portion and a rim portion, the spoke is provided on the rim portion. Since the groove portion is formed on the inner peripheral surface of the rim portion along the width direction from the continuous portion with the portion, the wheel material for a vehicle is fixed to a mandrel, and the wheel material for spinning molding is rotated by rotating the mandrel. By pressing the rim portion along the molding surface of the mandrel while partially pressing the rim portion with the pressing tool, the rim portion of the wheel material for spinning molding is intermittently arranged along the rim portion width direction. The concave portion can be formed in an appropriate manner.
また、この発明に係るスピニング成形用車両用ホイー
ル素材のスピニング成形方法においては、ディスク部と
リム部を連設するスポーク部を有し、そのリム部に前記
スポーク部との連設部からリム部幅方向に沿ってその内
周面に溝部を形成したスピニング成形用車両用ホイール
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
スピニング成形用車両用ホイール素材を回転させ、前記
スピニング成形用車両用ホイール素材のリム部を部分的
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
に沿って扱くようにしたため、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。In the spinning method for a vehicle wheel material for spinning molding according to the present invention, the method further comprises a spoke portion connecting the disk portion and the rim portion, and the rim portion includes a rim portion connected to the rim portion. A spinning forming vehicle wheel material having a groove formed on its inner peripheral surface along the width direction is fixed in a state of being externally fitted to a mandrel, and the mandrel is rotated about an axis to rotate the spinning forming vehicle. Since the wheel material is rotated and the rim portion of the spinning-forming vehicle wheel material is partially pressed by the pressing tool and handled along the forming surface of the mandrel, the concave portion is provided by spinning. Can be.
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。Hereinafter, a spinning method for a vehicle wheel will be described as an embodiment of the present invention, and will be described below with reference to the drawings.
第１図〜第４図において、１は車両用ホイール素材で
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１は、後記するように、スピニング成形によ
って車両用ホイールＷに成形される。11はホイール素材
１のディスク部、12,12,…は同スボーク部である。この
スポーク部12,12,…は前記ディスク部11から放射状に延
び、リム部13の端縁に連設されている。なお、111はデ
ィスク部11の車軸孔である。1 to 4, reference numeral 1 denotes a wheel material for a vehicle, which is integrally formed by forging. The vehicle wheel material 1 is formed into a vehicle wheel W by spinning as described later. Reference numeral 11 denotes a disk portion of the wheel material 1, and 12, 12,... The spokes 12, 12, ... radially extend from the disc 11 and are connected to the edge of the rim 13. Incidentally, reference numeral 111 denotes an axle hole of the disk unit 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、121,
121,…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1
31に各々つながっている。なお、ホイール素材１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。Are grooves formed on the inner peripheral surface of the rim portion 13 by bending the rim portion 13 outward. The groove 131 extends from the continuous portion of the spoke portion 12 in the width direction (of the rim portion 13). Also, 121,
Reference numerals 121,... Are auxiliary grooves formed on the back side of the spoke portions 12, 12,. The auxiliary groove 121 is provided in the groove 1 of the rim portion 13.
Each is connected to 31. In the state of the wheel blank 1, the windows 14, 14,... Have not yet penetrated.
次に、第５図および第６図において、前記ホイール素
材１を使用したスピニング成形方法を説明する。Next, a spinning molding method using the wheel blank 1 will be described with reference to FIGS.
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。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,
…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。In FIG. 5, reference numeral 5 denotes a spinning molding mandrel, which is rotatable around an axis 51. The wheel material 1 is externally fitted to the mandrel 5 and is held by a tail stock 6. At this time, between the bottom surface of the groove 131 in the wheel material 1 and the molding surface of the mandrel 5, there are gaps S, S, which substantially correspond to the depth of the groove 131.
... occurs. The gaps S, S,... Extend in the width direction of the rim portion 13.
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）に沿って扱くことにより、車両用ホイー
ル（第５図の仮想線の状態）Ｗをスピニング成形する。
このとき、前記リム部13の付け根（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 a substantially intermediate portion of the rim portion 13, and the rim portion 13 is moved outward from the intermediate portion by the pressing tool 7 (arrow). ), The vehicle wheel (state of the phantom line in FIG. 5) W is formed by spinning.
At this time, the concave portion 8 is formed at the base of the rim portion 13 (the portion connected to 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 final product (solid line diagram) is obtained by cutting the spinning-formed vehicle wheel (see the phantom line diagram). At this time,
The windows 14, 14,... Are also penetrated.
この発明に係るスピニング成形用車両用ホイール素材
は、ディスク部とリム部を連設するスポーク部を有する
スピニング成形用車両用ホイール素材において、前記リ
ム部に前記スポーク部との連設部からリム部幅方向に沿
ってその内周面に溝部を形成したため、当該車両用ホイ
ール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スピニング成形用車両用ホイール
素材におけるリム部を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、前記ス
ピニング成形用車両用ホイール素材のリム部の内周面に
リム部幅方向に沿って断続的に凹部を形成することがで
きる。The spinning-forming vehicle wheel material according to the present invention is a spinning-forming vehicle wheel material having a spoke portion connecting a disk portion and a rim portion, wherein the rim portion is connected to the rim portion from the connecting portion with the spoke portion. Since the groove portion is formed on the inner peripheral surface along the width direction, the vehicle wheel material is fixed to the mandrel, and the rim portion of the spinning molding vehicle wheel material is partially pressed by rotating the mandrel. By pressing along the forming surface of the mandrel while pressing with a tool, a concave portion can be formed intermittently along the rim portion width direction on the inner peripheral surface of the rim portion of the spinning forming vehicle wheel material. .
よって、このスピニング成形用車両用ホイール素材を
使用すれば、従来と異なり、スピニング成形される車両
用ホイールのリム部の内周面にリム部幅方向に沿った凹
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 this spinning-forming vehicle wheel material is used, a concave portion along the rim portion width direction can be formed on the inner peripheral surface of the rim portion of the spinning-forming vehicle wheel, unlike the related art. The weight can be reduced.
また、この発明に係るスピニング成形用車両用ホイー
ル素材のスピニング成形方法においては、ディスク部と
リム部を連設するスポーク部を有し、そのリム部に前記
スポーク部との連設部からリム部幅方向に沿ってその内
周面に溝部を形成したスピニング成形用車両用ホイール
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
スピニング成形用車両用ホイール素材を回転させ、前記
スピニング成形用車両用ホイール素材のリム部を部分的
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
に沿って扱くようにしたため、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, in the spinning method for a wheel material for spinning molding according to the present invention, the method further comprises a spoke portion connecting the disk portion and the rim portion, and the rim portion includes a rim portion extending from the connection portion with the spoke portion. The spinning molding vehicle is formed by fixing a wheel material for a spinning molding vehicle having a groove formed on an inner peripheral surface thereof along a width direction in a state of being externally fitted to a mandrel, and rotating the mandrel about an axis. Since the wheel material is rotated and the rim portion of the spinning-forming vehicle wheel material is partially pressed by the pressing tool and handled along the forming surface of the mandrel, the concave portion is provided by spinning. Can be.
よって、この素材に係るスピニング成形用車両用ホイ
ール素材を使用すれば、従来と異なり、スピニング成形
される車両用ホイールのリム部の内周面にリム部幅方向
に沿った凹部を形成できる結果、車両用ホイールの軽量
化を図ることができる。Therefore, if the spinning-forming vehicle wheel material according to this material is used, unlike the related art, as a result, it is possible to form a concave portion along the rim width direction on the inner peripheral surface of the rim portion of the spinning-formed vehicle wheel, The weight of the vehicle wheel can be reduced.
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。 １……車両用ホイール素材 11……ディスク部 12……スポーク部 13……リム部 131……溝部 ５……マンドレル 51……軸心（マンドレルの） ７……押圧具FIG. 1 shows an embodiment of the present invention. FIG. 1 is a front side perspective view of a vehicle wheel material, FIG. 2 is a rear side perspective view thereof, FIG. 3 is a rear side view thereof, and FIG. FIG. 3 is a cross-sectional view taken along a line IV-IV in FIG. 3, FIG. 5 is a cross-sectional view showing a state in which a vehicle wheel material is installed on a mandrel, and FIG. 6 is a cross-sectional view of a final product of the vehicle wheel. DESCRIPTION OF SYMBOLS 1 ... Wheel material for vehicles 11 ... Disc part 12 ... Spoke part 13 ... Rim part 131 ... Groove part 5 ... Mandrel 51 ... Shaft center (of mandrel) 7 ... Pressing tool
Claims (2)
を有するスピニング成形用車両用ホイール素材におい
て、 前記リム部に前記スポーク部との連設部からリム部幅方
向に沿ってその内周面に溝部を形成したことを特徴とす
るスピニング成形用車両用ホイール素材。1. A spinning molding vehicle wheel material having a spoke portion connecting a disk portion and a rim portion, wherein an inner periphery of the rim portion along a width direction of the rim portion from a portion connected to the spoke portion. A wheel material for a spinning molding vehicle, wherein a groove is formed on a surface.
を有し、そのリム部に前記スポーク部との連設部からリ
ム部幅方向に沿ってその内周面に溝部を形成したスピニ
ング成形用車両用ホイール素材を、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スピニング成形用車両用ホイ
ール素材を回転させ、前記スピニング成形用車両用ホイ
ール素材のリム部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
るスピニング成形用車両用ホイール素材のスピニング成
形方法2. A spinning device having a spoke portion for connecting a disk portion and a rim portion, and a groove formed on an inner peripheral surface of the rim portion along a width direction of the rim portion from a portion connected to the spoke portion. The wheel material for a vehicle for molding is fixed in a state of being externally fitted to a mandrel, and the wheel material for a spinning molding is rotated by rotating the mandrel about an axis, whereby the wheel material for the spinning molding is rotated. Forming a wheel material for spinning molding, wherein the rim portion is handled along the forming surface of the mandrel while being partially pressed by 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 |
| 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. |
| 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 |
| 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. |
| KR1019890015281A KR930010312B1 (en) | 1988-10-24 | 1989-10-24 | Spin molding process for manufacturing a vehicle wheel |
| US07/426,953 US5092040A (en) | 1988-10-24 | 1989-10-24 | Spin molding process for manufacturing a vehicle wheel |
| CA002001372A CA2001372A1 (en) | 1988-10-24 | 1989-10-24 | Spinning molding process for manufacturing a vehicle wheel |
| KR1019920005972A KR930010315B1 (en) | 1988-10-24 | 1992-04-10 | Spinning molding materials |
| KR1019920005971A KR930010314B1 (en) | 1988-10-24 | 1992-04-10 | Spin molding process & device |
| 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 JPH02274338A (en) | 1990-11-08 |
| JP2775288B2 true 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) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5923894B2 (en) * | 1976-12-22 | 1984-06-05 | トヨタ自動車株式会社 | How to manufacture gears from flat plate materials |
| JPS6020108B2 (en) * | 1981-06-23 | 1985-05-20 | 株式会社杉野鉄工所 | Chain wheel manufacturing method |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02274338A (en) | 1990-11-08 |
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