JPS58116945A - Forming device of wheel for automobile - Google Patents

Forming device of wheel for automobile

Info

Publication number
JPS58116945A
JPS58116945A JP21221581A JP21221581A JPS58116945A JP S58116945 A JPS58116945 A JP S58116945A JP 21221581 A JP21221581 A JP 21221581A JP 21221581 A JP21221581 A JP 21221581A JP S58116945 A JPS58116945 A JP S58116945A
Authority
JP
Japan
Prior art keywords
wheel
center
ring
slide
rotary table
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
Application number
JP21221581A
Other languages
Japanese (ja)
Other versions
JPH0117777B2 (en
Inventor
Kazuji Ito
伊藤 一二
Kishiro Abe
喜四郎 阿部
Moriji Kuno
久能 守司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Topy Industries Ltd
Original Assignee
Topy Industries Ltd
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 Topy Industries Ltd filed Critical Topy Industries Ltd
Priority to JP21221581A priority Critical patent/JPS58116945A/en
Publication of JPS58116945A publication Critical patent/JPS58116945A/en
Publication of JPH0117777B2 publication Critical patent/JPH0117777B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/26Making other particular articles wheels or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Turning (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

PURPOSE:To improve accuracy of finished wheels and obtain high quality by pressing a ring of assured accuracy into inside of a wheel and pressing strongly from outside. CONSTITUTION:After setting of a wheel 1 on a lower ring 5, an upper ring 3 comes into close contact with inside of the wheel 1. Then, the tip of cutting rotation shaft 9 peeps into the center hub hole of the wheel. A lower rotary table 11 rotates, and at the same time, an upper rotary table 10 also rotates. A driving motor is started, and the hub hole of the wheel is cut by a cutting tool 8. Spin rolls 50 are thrusted against the wheel 1, and the wheel 1 is spun. In this case, center in radial direction of the upper die 2 and lower die 4 is perfectly secured by the rotating shaft 9 of the cutting tool 8 guided by an upper bush 6 and a lower bush 7 and a back-up roller 12 that supports an upper turntable 10 and a lower turntable 11.

Description

【発明の詳細な説明】 不発明は鋼またはアルミ合金を材料とした自動車用車輪
のリムV′3@に、軸方向中心位置決めされた上下2ケ
の同張りとなる鋼製リングft7JIll圧挿入し、回
転させながら、外側よりス゛ビニ/グロールを押しつけ
ることによって車輪の突出部および楕円、7ランク部の
うねり等を補正加工し、同時にディスク中心ノ・プ穴會
切削加工する成形切削装置に関するものである。
[Detailed Description of the Invention] The invention is to press insert two upper and lower steel rings ft7JIll of the same tension, which are centered in the axial direction, into the rim V'3@ of an automobile wheel made of steel or aluminum alloy. This relates to a forming cutting device that corrects the protruding part of the wheel, the ellipse, the undulations of the 7-rank part, etc. by pressing the swivel/growl from the outside while rotating, and at the same time cuts the hole in the center of the disc. .

車輪の性能は近年特に真円度が要求されるようになり、
変形、楕円、突出、リムとディスクの偏心が小さいもの
ほど高い性能を有しているといえる。現に不良として利
足される車輪のほとんどは前記真円度規格外れのもので
ある・・従来はこの要求を満すため、車輪の部品として
のリムおよびディスク単品で楕円、変形、突出を小さく
する割型による矯正や、プレス加工での矯正または、リ
ム、ディスク組付後に割型により外側から縮め整形をし
つつ、軸線方向に回転しながら移動する工具により、デ
ィスク中心穴を切削する装置が使用されている。
In recent years, wheel performance has become particularly demanding of roundness.
It can be said that the smaller the deformation, ellipse, protrusion, and eccentricity of the rim and disk, the higher the performance. Most of the wheels that are actually rejected as defective are those that do not meet the above-mentioned roundness standard.In order to meet this requirement, conventionally, the rim and disc as parts of the wheel were made to have a smaller ellipse, deformation, and protrusion. A device is used that cuts the center hole of the disc using a tool that rotates in the axial direction while correcting it with a split die, straightening it by press working, or shrinking and shaping it from the outside using a split die after the rim and disk are assembled. has been done.

本発明は、従来の割型では矯正不可能な小さな突出部、
変形、楕円および割型では必然的に発生する型の隙間部
分による変形等を解消し、さらにディスク中心穴と、リ
ム外周を同心にするための加工を同時に行い得るように
することを目的とする。
The present invention solves the problem of small protrusions that cannot be corrected with conventional split molds.
The purpose is to eliminate the deformation caused by the gap between the molds that inevitably occurs with deformed, elliptical and split molds, and also to make it possible to simultaneously process the disk center hole and the rim outer circumference to make them concentric. .

この目的を達成するために、本発明の自動車用車輪の成
形加工装置においては、上下型にセットされたリングに
より車輪が加圧センタリングされた車輪に外側から、ビ
ード部を鋼製ロールにより強圧、スピニン゛グ加工し、
同時にディスク中心ハブ穴を切削しリム外周とのセンタ
リングを行なうものである。
In order to achieve this object, in the automobile wheel forming apparatus of the present invention, the wheel is pressurized and centered by rings set in upper and lower molds, and the bead portion is strongly pressed from the outside by a steel roll. Spinning processing,
At the same time, the center hub hole of the disk is cut to perform centering with the outer periphery of the rim.

装置は、アルミ合金を材料とした自動車用車輪のタイヤ
ビード接触部内側に密着する上下2つのリングと、車輪
ディスクを押さえ固足する治具および上下リングの中心
位置決め兼、車輪ディスク中心ハブ式切削用工具を備え
た軸、それらを取付けるための構造物を含む加工ヘッド
と、 前記θロエヘッドを車輪に加圧挿入させるための上昇、
下降と加工ヘッド全体を回転させまた、前記軸を回転、
上昇、下降させる機構を含む上部保持装置と、 車輪ビード部強圧のための鋼製ロールが取付けられ、強
圧のための紡後動、スライド、シリンダ等を含むスピニ
ングロールヘッド装置と、上下型の芯精度を確保するた
めの、上下回転テーブルをスピニングロールヘッドの反
対側面よりささえる回転テーブル用バックアップロール
と、 前記各装置を取付け、精fを保持するための全体フレー
ムから成り立っている。
The device consists of two rings (upper and lower) that are in close contact with the inner side of the tire bead of an automobile wheel made of aluminum alloy, a jig that holds and secures the wheel disc, and a hub-type cutting tool that also serves as a center positioning tool for the upper and lower rings. a machining head including a shaft equipped with tools, a machining head including a structure for attaching the tools, and a lift for inserting the θ Loe head into the wheel under pressure;
Lower and rotate the entire processing head and also rotate the said axis,
An upper holding device including a lifting and lowering mechanism, a steel roll for strong pressure on the wheel bead, a spinning roll head device including a post-spinning drive, slide, cylinder, etc. for strong pressure, and an upper and lower core. It consists of a backup roll for the rotary table that supports the vertical rotary table from the opposite side of the spinning roll head to ensure accuracy, and an overall frame to which the above-mentioned devices are attached and to maintain precision.

以下に、本発明の望ましい実施例を図面を参照しながら
説明する。
Preferred embodiments of the present invention will be described below with reference to the drawings.

@1図は加工ヘッドの部分を示している。図中、1は車
輪で上型2と下型4間にセットされる。上型2には上リ
ング3が、下型4にはF IJソングが取付けられ、上
リング3、下リング5は車輪1のタイヤビード接触部内
側に接触可能となっている。上型2と下型4の中心部に
は上ブツシュ6、下ブツシュ7を介して回転軸9が挿通
しており、回転軸9は切削工具8を備えている。車輪デ
ィスクは上治具16と下治具65の間にクッション部材
を介して押さえ固足される。上型2と下型4は、10は
上回転盤、11は下回転I11に介しバッファラグロー
ラ12により同芯性を確保される。上、下回転盤10.
11は軸受21,28により支えられて、千行匿が出さ
れている。上記の部品を備えた加工ヘッドは、その全体
が駆動装置13により回転可能となっている。車輪1の
外側にはスピンロール50が配設され、スピンロール前
後進用シリンダ17により車輪1に押しつけられる。
@1 Figure shows the processing head. In the figure, 1 is a wheel set between an upper mold 2 and a lower mold 4. An upper ring 3 is attached to the upper mold 2 and an FIJ song is attached to the lower mold 4, so that the upper ring 3 and the lower ring 5 can come into contact with the inner side of the tire bead contact portion of the wheel 1. A rotating shaft 9 is inserted through the center of the upper die 2 and the lower die 4 via an upper bushing 6 and a lower bushing 7, and the rotating shaft 9 is equipped with a cutting tool 8. The wheel disc is held and secured between the upper jig 16 and the lower jig 65 via a cushion member. Concentricity of the upper die 2 and the lower die 4 is ensured by a buffer lug roller 12 via an upper rotating disk 10 and a lower rotating disk I11. Upper and lower rotary disks 10.
11 is supported by bearings 21 and 28, and a thousand lines are exposed. The entire processing head equipped with the above-mentioned parts can be rotated by a drive device 13. A spin roll 50 is disposed outside the wheel 1 and is pressed against the wheel 1 by a cylinder 17 for forward and backward movement of the spin roll.

第2図に示す下回転テーブル11は鋼またはアルミ合金
等で十分な剛性を持たせてあり、回転軸19とボルト2
0により強固に連結されている。回転軸19は十分に剛
性のあるラジアA・玉軸受21とスラスト軸受22によ
り軸受箱23に保持されている。軸受箱23上側には軸
受押え24.下側にも軸受押え25があり、それぞれ各
部材の剛性、精度維持の機能を果している。さらに軸受
箱23は鋼製ベッド26に取付けられている。回転軸の
下端には回転伝導用Vプーリー27またはスプロケット
、歯車等が装着される。
The lower rotary table 11 shown in FIG.
It is strongly connected by 0. The rotating shaft 19 is held in a bearing box 23 by a sufficiently rigid radial A/ball bearing 21 and a thrust bearing 22. A bearing holder 24 is provided on the upper side of the bearing box 23. There is also a bearing retainer 25 on the lower side, which functions to maintain the rigidity and accuracy of each member. Furthermore, the bearing box 23 is attached to a steel bed 26. A V-pulley 27 for transmitting rotation, a sprocket, a gear, etc. is attached to the lower end of the rotating shaft.

第3図は上部機構を示す。上型2の取付けられる上回転
盤10は鋼またはアルミ合金等で十分な剛性を持つ構造
に作られ、王スライド3゜に玉軸受28およびスラスト
軸受29を介して保持取付けされる。主スライド3oは
スライドメタル31との間で上下動シリンダ14のカに
より上昇、下降する。主スライド3oはブツシュ33、
ガイドポスト32により11.sフレーム60と連結さ
れ円周方向の回転ができない構造となっている。また主
スライド3oは副スライド34′fr内蔵しスライドメ
タル35.36i介し、副スライド上下動シリンダ37
により上昇、下降する。−1スライド340内部には回
転伝導軸3Bが軸受39,40により組付けられ、上部
は軸継手41により、ペース42上の駆動モーター43
と連結され、下部には回転軸9を連結するテーバ穴が設
けられている。駆動モーター43はフレーム44の内部
に設置され、フレーム44の上部には継手45.46カ
玉あり、フレーム47の上部に取付けられfCtIJシ
1ノンダ37とピ/48で接続されている。フレーム4
7は主スライド30に連結固定され、副スライド34は
ブツシュ48とガイドボスト49により主スライド30
と連結され円周方向の回転を防止される。
Figure 3 shows the upper mechanism. The upper rotary disk 10 to which the upper die 2 is attached is made of steel or aluminum alloy or the like to have a sufficiently rigid structure, and is held and attached to the king slide 3° via a ball bearing 28 and a thrust bearing 29. The main slide 3o is raised and lowered by the force of the vertical movement cylinder 14 between it and the slide metal 31. Main slide 3o is bush 33,
11. by the guide post 32. It has a structure in which it is connected to the s-frame 60 and cannot rotate in the circumferential direction. In addition, the main slide 3o has a built-in sub-slide 34'fr and is connected to a sub-slide vertical movement cylinder 37 through a slide metal 35.36i.
It rises and falls due to -1 The rotation transmission shaft 3B is assembled inside the slide 340 by bearings 39, 40, and the upper part is connected to the drive motor 43 on the pace 42 by a shaft coupling 41.
A tapered hole for connecting the rotating shaft 9 is provided at the bottom. The drive motor 43 is installed inside the frame 44, and there are joints 45 and 46 on the top of the frame 44, which are attached to the top of the frame 47 and connected to the fCtIJ cylinder 37 with pins/48. frame 4
7 is connected and fixed to the main slide 30, and the sub slide 34 is connected to the main slide 30 by a bush 48 and a guide post 49.
This prevents rotation in the circumferential direction.

第4図はスピンロール前後動部分を示す。スピンロール
50は、上下方向に2個、横方向に2列の計4個配列を
基本とし、押しっけの反力を吸収できる構造となってい
る。スピンロール50は軸受51により軸52に連結さ
れ自由に回転できる。軸52はブラケット53に貫通固
定され、更にブラケット53は前後動油圧シ1ノンダ5
4に接続されたスライド55先端部に連結され、フレー
ム56.57にまたがるスライドポスト58を介して前
後動する。不装置全体は鋼ベッド26上に浴接され、切
削芯出しされた取付座59上にボルト結合されている。
Figure 4 shows the back and forth movement of the spin roll. The spin rolls 50 are basically arranged in a total of four rows, two in the vertical direction and two in the horizontal direction, and have a structure that can absorb the reaction force of pushing. The spin roll 50 is connected to a shaft 52 by a bearing 51 and can rotate freely. The shaft 52 is fixed through a bracket 53, and the bracket 53 is connected to a longitudinal hydraulic hydraulic cylinder 5.
4, and moves back and forth via a slide post 58 that spans frames 56 and 57. The entire assembly is bath welded onto a steel bed 26 and bolted onto a machined center mounting seat 59.

第5図は装置全体の組付図を示す。フレームはすべて鋼
製でベッド26、上部フレーム60、コラム61の主要
部材をタイロッド62を介してナツト63により締付け
ているO各部材の位置決めはキー64による。ベッド2
6には下回転テーブル11機構と、スピニングロール5
0機構が配置され、コラム61にはバックアップローラ
12機構が、上部フレーム60には上部回転テーブル1
0加圧機構がそれぞれ配置されている。
FIG. 5 shows an assembly diagram of the entire device. The frame is all made of steel, and the main members of the bed 26, upper frame 60, and column 61 are tightened with nuts 63 via tie rods 62. The positions of each member are determined by keys 64. bed 2
6 has a lower rotary table 11 mechanism and a spinning roll 5.
0 mechanism is arranged, a backup roller 12 mechanism is arranged in the column 61, and an upper rotary table 1 is arranged in the upper frame 60.
Zero pressure mechanisms are respectively arranged.

上記の設置により車輪はつぎのように成形、加工される
With the above installation, the wheels are formed and processed as follows.

本機構の動きはまず ’F 17ング5上に車輪lがセ
ットされた後、主スライド30が上下用シリンダ14に
より下降、加圧され、上リング3が車輪1内儒に密着、
則スライド上下動シリンダ37により副スライド34が
下降し、切削回転軸9の先端が車輪中心ノ・プ穴をのぞ
〈O下回転テーブル11が回転し同時に上回転テーブル
lOも回転、同時に駆動モーター43カニ始動し、副ス
ライド34がさらに下降し切削工具8により車輪ノ・プ
穴を切削する。これと同時にスピンローニル50を車輪
1にスピンロール前後進用シリンダ17にスライド18
ft介して押しつけ、車輪1をスピニング加工する。
The movement of this mechanism is that after the wheel 1 is set on the F17 ring 5, the main slide 30 is lowered and pressurized by the vertical cylinder 14, and the upper ring 3 is brought into close contact with the inside of the wheel 1.
The sub-slide 34 is lowered by the slide vertical movement cylinder 37, and the tip of the cutting rotation shaft 9 is exposed to the wheel center knob hole. 43, the auxiliary slide 34 is further lowered, and the cutting tool 8 cuts the wheel nozzle hole. At the same time, the spin roll 50 is moved to the wheel 1 and the cylinder 17 for forward and backward movement of the spin roll is slid 18.
ft and spin the wheel 1.

この場合上型2と下型4の径方向芯は、ディスクハブ穴
を貫通し上ブツシュ6と下ブツシュ7にガイドされた切
削工具8の回転軸9および上回転盤lOと下回転盤11
を支えるノ(ツクアップローラ12により完全に確保さ
れる。また軸方向の平行については、上下回転盤を支え
る軸受21,28により十分保たれる。上型上昇・下降
用シリンダ14で下型に上型が押しつけられ、同時に、
切削回転軸9の先端部刃押しナツト15が下ブツシュ7
に挿入され軸方向と径方向の芯が確足する。前記セツテ
ィング確認後、駆−装置1113により、前記の如く加
工ヘッド全体を回転させ、スピンロール50を車輪lに
スピンロール前後進用シリンダ17にスライド18を介
して押しつけ、スピニング加工する。
In this case, the radial center of the upper mold 2 and the lower mold 4 is the rotary shaft 9 of the cutting tool 8 which passes through the disk hub hole and is guided by the upper bush 6 and the lower bush 7, and the upper rotary disc 10 and the lower rotary disc 11.
(This is completely ensured by the pick-up roller 12. Also, the parallelism in the axial direction is sufficiently maintained by the bearings 21 and 28 that support the upper and lower rotary disks.The cylinder 14 for raising and lowering the upper mold The upper mold is pressed, and at the same time,
The blade push nut 15 at the tip of the cutting rotation shaft 9 is attached to the lower bush 7.
The core is inserted in the axial direction and the radial direction is ensured. After confirming the setting, the entire processing head is rotated by the drive device 1113 as described above, and the spin roll 50 is pressed against the wheel 1 and the cylinder 17 for forward and backward movement of the spin roll via the slide 18 to perform spinning processing.

同時に切削回転軸9t−廻しながらさらに下方向に移動
させディスク中心)1プ穴端而1al切削する。
At the same time, while rotating the cutting rotation shaft 9t, move the disk further downward to cut the entire hole 1al (center of the disk).

以上の通りであるから、本発明の成形切削装置によると
1!は、車輪内側に十分に精度確保されたリング3,5
を圧入し、外側よりロール50で強圧することにより、
楕円および小さな突出部が完全に解消し車輪形状を真円
に、近ずけることができる。さらに、リングと同容にセ
ットされた切削工具により加工するので、ディスク中心
ハブ穴精度は非常に高い。このため、完成品車輪全体の
精度は申し分なく高品質を得ることができる。
As described above, according to the forming cutting device of the present invention, 1! rings 3 and 5 with sufficient precision inside the wheel.
By press-fitting and applying strong pressure from the outside with the roll 50,
Ovals and small protrusions are completely eliminated, allowing the wheel shape to approach a perfect circle. Furthermore, since the process is performed using a cutting tool set to have the same capacity as the ring, the accuracy of the disc center hub hole is extremely high. Therefore, the precision of the entire finished wheel can be of high quality.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の自動車用車輪の成形加工装置の加工ヘ
ッドの部i面図、 第2図は上記装置の下部回転テーブルの断面図、 第3図は上記装置の上部回転テーブル加圧機構の断面図
、 第4図は上記装置のスピンロール前後進機構の断面図、 第5図は上記装置の装置全体組立図、 である。 l・・・・・・被加工体としての車輪 3・・・・・・上部リング 5・・・・・・下部リング 8・・・・・・車輪中心ハブ穴切削工具10・・・上部
回転テーブル 11・・・下部回転テーブル 14・・・主スライド上昇下降用シリンダ23・・・軸
受箱 26・・・ベッド 27・・・回転伝達用プーリー 30・・・王スライド 34・・・副スライド 37・・・副スライド上昇下降用シリンダ43・・・切
削工具回転駆動用モータ 50…スピニングロール 54・・・スピニングロール加圧、前後進用シリンダ 55・・・スライド 60・・・上部フレーム 61・・・コラム 62・・・タイロッド 63・・・タイロッド用ナツト 特許出願人 トピー工業株式会社
Fig. 1 is a partial i-side view of the processing head of the automobile wheel molding apparatus of the present invention, Fig. 2 is a sectional view of the lower rotary table of the above apparatus, and Fig. 3 is the upper rotary table pressurizing mechanism of the above apparatus. 4 is a sectional view of the spin roll forward and backward movement mechanism of the above device; FIG. 5 is an assembly diagram of the entire device of the above device. l... Wheel as a workpiece 3... Upper ring 5... Lower ring 8... Wheel center hub hole cutting tool 10... Upper rotation Table 11...Lower rotary table 14...Main slide up/down cylinder 23...Bearing box 26...Bed 27...Rotation transmission pulley 30...King slide 34...Sub slide 37 ... Cylinder 43 for raising and lowering the sub-slide ... Motor 50 for driving cutting tool rotation ... Spinning roll 54 ... Cylinder 55 for pressurizing the spinning roll and moving forward and backward... Slide 60 ... Upper frame 61 ...・Column 62...Tie rod 63...Tie rod nut Patent applicant Topy Industries, Ltd.

Claims (1)

【特許請求の範囲】[Claims] (1)  自動車用車輪のタイヤビー ド接触部内側に
密着して接する2つのリングおよび車輪ディスクを押さ
え固足する治具並びに前記2つのリングの中心位置決め
兼車輪ディスク中心/’%ブ穴切削用工具を有する軸を
備えた加工ヘッドと、 前記加工ヘッドを上昇、下降、回転させかつ前記軸全回
転、上昇、下降させる上部保持装置と、 車輪の外側に配設された車輪スピニング加工用ロールお
よび加圧シリンダを備えたスピニングDロエ装置と、 前記加工ヘッドの2つのリングの精1ft維持するバッ
クアップロールと、 前記の各装置を保持する全体フレームと、から成る自動
車用車輪の成形加工装置。
(1) A jig for holding and securing two rings and wheel discs that are in close contact with the inner side of the tire bead contact part of an automobile wheel, and a tool for positioning the center of the two rings and cutting a hole in the center of the wheel disc. an upper holding device for raising, lowering, and rotating the processing head and for making full rotations of the shaft, raising and lowering the processing head; and a wheel spinning processing roll disposed outside the wheel and a processing An automobile wheel forming apparatus comprising: a spinning D-loe apparatus equipped with a pressure cylinder; a backup roll for maintaining the precision of 1 ft of the two rings of the processing head; and an overall frame for holding each of the above apparatuses.
JP21221581A 1981-12-29 1981-12-29 Forming device of wheel for automobile Granted JPS58116945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21221581A JPS58116945A (en) 1981-12-29 1981-12-29 Forming device of wheel for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21221581A JPS58116945A (en) 1981-12-29 1981-12-29 Forming device of wheel for automobile

Publications (2)

Publication Number Publication Date
JPS58116945A true JPS58116945A (en) 1983-07-12
JPH0117777B2 JPH0117777B2 (en) 1989-04-03

Family

ID=16618836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21221581A Granted JPS58116945A (en) 1981-12-29 1981-12-29 Forming device of wheel for automobile

Country Status (1)

Country Link
JP (1) JPS58116945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103920801A (en) * 2014-03-03 2014-07-16 江苏天宏自动化科技有限公司 Special hub spinning die with locking function

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4961058A (en) * 1972-04-27 1974-06-13
JPS52134861A (en) * 1976-05-07 1977-11-11 Aida Eng Ltd Method of fabricating car wheels

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4961058A (en) * 1972-04-27 1974-06-13
JPS52134861A (en) * 1976-05-07 1977-11-11 Aida Eng Ltd Method of fabricating car wheels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103920801A (en) * 2014-03-03 2014-07-16 江苏天宏自动化科技有限公司 Special hub spinning die with locking function

Also Published As

Publication number Publication date
JPH0117777B2 (en) 1989-04-03

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