JPS5937184B2 - Ring-shaped machining single-carrying device - Google Patents
Ring-shaped machining single-carrying deviceInfo
- Publication number
- JPS5937184B2 JPS5937184B2 JP10950576A JP10950576A JPS5937184B2 JP S5937184 B2 JPS5937184 B2 JP S5937184B2 JP 10950576 A JP10950576 A JP 10950576A JP 10950576 A JP10950576 A JP 10950576A JP S5937184 B2 JPS5937184 B2 JP S5937184B2
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- charging
- charging arm
- arm
- workpieces
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
- B23Q7/106—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines with means to deliver a certain quantity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Workpieces (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Forging (AREA)
Description
【発明の詳細な説明】
この発明は選択的（こ内面または外面加工する環形工作
品を運ぶための装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for transporting ring-shaped workpieces for selective internal or external machining.
既に精密ホーニング盤に対する工作品入替え装置が提案
されており、これにおいては制御軸によって段階的に切
換え得るマガジン板が装置されておって、各加工ステー
ジョンｌこはマガジン板の一つの工作品取付具が、作業
姿勢にない工作品取付具には工作品送込装置が、そして
もう一つの作業姿勢にない工作品取付具には押出し装置
が従属するようになっている。A workpiece changing device for a precision honing machine has already been proposed, in which a magazine plate that can be changed in stages by a control axis is installed, and each machining station is equipped with a workpiece changing device for one magazine plate. A workpiece feed device is subordinated to the workpiece fixture whose tool is not in the working position, and a push-out device is subordinated to the other workpiece fixture which is not in the working position.
この装置では、最適の作業サイクル時間は段階的加工に
よって実現し得るだけである。With this device, optimum working cycle times can only be achieved by stepwise machining.
もし工作品を例えば唯一回の作業階程ですべての加工ス
テージョン（こおいて同時に仕上げようとするなら、装
入過程を追加する必要があり、それは装置の構造上加工
中には行うことができず従って作業サイクル時間を延長
する。If a workpiece is to be finished at the same time, for example in all machining stages, in a single working step, an additional charging step is required, which cannot be done during machining due to the structure of the equipment. not possible, thus extending the work cycle time.
なお既に環形工作品を工作機、特（こ内面研磨盤へ装入
するための装置が提案されており、これにおいては工作
品は強制的にてこ装置を経て滑すシュー溜みへ送込まれ
る。A device has already been proposed for loading ring-shaped workpieces into machine tools, especially internal polishing machines, in which the workpieces are forcibly fed through a lever device into a sliding shoe reservoir. .
この装置は機能有効性と迅速な工作品入換時間を保証す
るけれども、しかシ精密ホーニング盤においては工作品
が静液圧的に受けられるならば甚しく好都合であること
が示された。Although this device guarantees functional effectiveness and rapid workpiece changeover times, it has been shown, however, that in precision honing machines it is extremely advantageous if the workpieces can be subjected to hydrostatic pressure.
工作品全体が囲まれるこの種の工作品受けに対しては、
上の装置は開放された受けに用い得るだけであるので応
用できない。For this type of workpiece receiver where the entire workpiece is surrounded,
The above device is not applicable as it can only be used for open receptacles.
この発明の目的は、環形工作品を送るための装置であっ
て、工作品を加工段階間静液圧的Ｅこ受けかつ段階的加
工の必要性を排除することを可能ならしめるものを創る
ことである。The object of the invention is to create a device for feeding ring-shaped workpieces, which makes it possible to receive the workpieces hydrostatically between processing stages and to eliminate the need for stepwise processing. It is.
この発明の技術的課題は環形工作品のための送り装置で
あって、例えば精密ホーニング盤の如き多ステーシヨン
機へ使用して、加工段階間に装入ステーションにおいて
工作品の一回又は複数回装入を行なうことを可能ならし
め、副次的な消費時間を延長させないものを得ることで
ある。The technical problem of the invention is a feeding device for ring-shaped workpieces, which can be used in multi-station machines, such as precision honing machines, to load the workpieces once or multiple times in a charging station between machining stages. The objective is to obtain something that will allow the user to carry out the investment without prolonging the secondary consumption time.
発明によりこの課題は、次のようにして解決さ″れる。This problem is solved by the invention as follows.
すなわち、各加工ステージョンに１８０゜振ることがで
きて二個宛の交互（こ作業姿勢に切換え得る工作品保持
子を有する装入アームが配置され、その場合装入アーム
は加工ステージョンの順序に従い工作品の幅にほぼ相当
する間隔をおいた平行な平面内に用意される。That is, each processing station is provided with a charging arm having a workpiece holder that can swing 180° and switch to an alternating working position for two pieces, in which case the charging arm follows the order of the processing stations. They are prepared in parallel planes at intervals approximately corresponding to the width of the workpiece.
その時加工姿勢にない装入アームの工作品保持子は同軸
ｌこ装入ステーションへ置かれ、そこにおいて複数の工
作品の平行押進めにより同時ｔこ最初の加工ステージョ
ンの装入アームの装填、仕掛工作品の装入アームから装
入アームへの引渡し、及び仕上った工作品の最後の装入
アームからの押出しが行なわれる。The workpiece holder of the charging arm, which is not in the processing position at that time, is placed in the coaxial loading station, where the loading of the charging arm of the first processing station is simultaneously carried out by parallel pushing of multiple workpieces. A transfer of the in-progress workpiece from one charging arm to the other and a final ejection of the finished workpiece from the charging arm takes place.
装入アームの端末位置は、止めによって調整することが
できる。The terminal position of the charging arm can be adjusted by means of a stop.
内面加工の場合には、工作品は圧力媒体によって装入ア
ーム内に心出しされ、そして相応する既知の圧着素子に
よって工作品取付スピンドルへ圧定される。In the case of internal machining, the workpiece is centered in the charging arm by means of a pressure medium and is pressed onto a workpiece mounting spindle by corresponding known crimping elements.
外面加工の場合には、工作品の心出しを、工作品取換の
ために引出される石用アーバが引受ける。In the case of external machining, centering of the workpiece is taken care of by the stone arbor, which is pulled out for changing the workpiece.
以下この発明を、一つの実施例につき添付図面を参照し
て詳細に説明する。Hereinafter, one embodiment of the present invention will be described in detail with reference to the accompanying drawings.
第１図及び第２図には、環形の工作品、特に玉軸受レー
スの内面を加工するための精密ホーニング盤の送り装置
が示されている。1 and 2 show the feeding device of a precision honing machine for machining the inner surface of annular workpieces, in particular ball bearing races.
実施例においては精密ホーニング盤は、工作品取付スピ
ンドル３；４を有する二つの加工ステージョン１；２１
付スピンドルの前に装着された装入アーム５；６、Ｕ字
形の工作品圧定装置７：８、及び工具ホルダ９；１０を
有する。In the embodiment, the precision honing machine has two machining stations 1; 21 with workpiece mounting spindles 3; 4;
It has a charging arm 5; 6 mounted in front of the mounting spindle, a U-shaped workpiece clamping device 7: 8, and a tool holder 9; 10.
装入アーム５；６は前後して、従って異った平面に配置
されている。The charging arms 5; 6 are arranged one behind the other and thus in different planes.
各装入アーム５；６は、その端末ｌこ収容ブツシュ１１
；１２又は１３；１４を工作品の静液圧的受人のため（
こ備えている。Each charging arm 5; 6 has its terminal receiving bush 11.
;12 or 13;14 for the hydrostatic receiver of the workpiece (
I have this in place.
収容ブツシュの内それぞれ一つは工作品取付スピンドル
３；４の前の中心、従って加工位置（こあるが一方他の
二つは互に同軸的に装入ステーション１５の前へ配置さ
れている。One of the receiving bushes in each case is located centrally in front of the workpiece mounting spindle 3; 4 and thus in the processing position, while the other two are arranged coaxially with each other in front of the charging station 15.
圧力媒体は取付軸１６；１γ及び装入アーム５：６を経
て送られる。The pressure medium is delivered via the mounting shaft 16;1γ and the charging arm 5:6.
工作品取付スピンドル３、：４は相当する工作品の幅だ
け軸方向（こすらせである。The workpiece mounting spindles 3,:4 are axially (rubbed) by the width of the corresponding workpiece.
工作品送込みぞ１８を経てまだ加工されていない工作品
１９が装入位置における装入プランジャ２０の前へ持っ
て来られる。Via the workpiece feed channel 18, the workpiece 19, which has not yet been processed, is brought into front of the charging plunger 20 in the charging position.
工作品送込みぞは未加工工作品１９が正確に収容ブツシ
ュ１２の前に置かれるように調整されている。The workpiece feed channel is adjusted in such a way that the raw workpiece 19 is placed exactly in front of the receiving bush 12.
正常な作業経過にあっては、収容ブツシュ１２内には準
備加工したそして収容ブツシュ１４内には仕上加工した
工作品があり、収容ブツシュ１１において準備加工がそ
して収容ブツシュ１３において仕上加工が行なわれる。In a normal working sequence, there is a pre-machined workpiece in the receiving bush 12 and a finished workpiece in the receiving bush 14, the preparatory machining takes place in the receiving bush 11 and the finishing process takes place in the receiving bush 13. .
装入または工作品入替は次のようにして行なわれる：
装入プランジャ２０が未加工工作品１９を準備加工のた
め装入アーム５の収容ブツシュ１２内へ押す。The charging or workpiece changeover takes place as follows: The charging plunger 20 pushes the raw workpiece 19 into the receiving bush 12 of the charging arm 5 for preparatory processing.
同時ｌこそれｔこよって既ｌこ準備加工された工作品２
１は装入アーム５の収容ブツシュ１２から仕上加工用装
入アーム６の収容ブツシュ１４へ、そして仕上加工され
たＴ作品２２は工作品送出みぞ２３へ押出される。At the same time, the workpiece 2 has already been prepared and processed.
1 is pushed out from the receiving bush 12 of the charging arm 5 to the receiving bush 14 of the finishing charging arm 6, and the finished T-work 22 is pushed out into the workpiece delivery groove 23.
加工ステージョン１；２（こおける工作品の加工が終了
し、工具ホルダ９；１０が引出され、そして工作品圧定
装置７：８が外さられてから、工作品入替が行なわれる
。After the machining of the workpieces in the machining stations 1 and 2 is completed, the tool holders 9 and 10 are pulled out, and the workpiece pressure devices 7 and 8 are removed, the workpieces are replaced.
この場合軸受軸１６；１７は装入アーム５；６と共に１
８０°振られ、そして加工ステージョンからの工作品は
装入ステーション内のものと入替えられる。In this case, the bearing shaft 16; 17 together with the charging arm 5;
It is swung 80 degrees and the workpieces from the processing station are replaced with those in the charging station.
工具ホルダ９；１０及び圧定装置７；８は再び作業姿勢
に帰り、装入プランジャ２０は復帰し、新しい未加工工
作品が装入位置へ転動して、装入操作が新た（こ始まる
。The tool holders 9; 10 and the pressure devices 7; 8 return to their working positions, the charging plunger 20 returns, the new blank workpiece rolls into the charging position, and a new charging operation begins. .
装入アーム５；６は工作品入替に際し往復して振れ、装
入アーム５：６の止め２４；２５は交互に止めねじ２６
あるいは２Ｔに当る。The charging arms 5 and 6 swing back and forth when changing workpieces, and the stops 24 and 25 of the charging arms 5 and 6 alternately tighten the set screws 26.
Or it corresponds to 2T.
これにより、装入アーム５；６の最終位置は、どの位置
においても互に独立して調整することができる。Thereby, the final position of the charging arms 5; 6 can be adjusted independently of each other in any position.
工作品を両方のステーションで同時に準備及び仕上加工
しようとするならば、装入プランジャ２０は加工ステー
ジョンにおける工作品の加工間に、二回動作して装入ア
ーム５の収容ブツシュ１２内にも装入アーム６の収容ブ
ツシュ１４内にも未加工工作品が入れられ、そして加工
済工作品２１ ；２２が相次いで押出されなければなら
ない。If the workpiece is to be prepared and finished simultaneously in both stations, the charging plunger 20 is moved twice between the processing of the workpiece in the processing station and also in the receiving bush 12 of the charging arm 5. A raw workpiece is also placed in the receiving bush 14 of the charging arm 6, and the processed workpieces 21, 22 must be pushed out one after another.
第３図及び第４図において、外面加工すべき工作品のた
めの同様な装置が示されている。In FIGS. 3 and 4 a similar device is shown for workpieces to be externally machined.
動作方法は内面加工におけると同様であり、ただ工作品
が装入アーム５；６内でなく心出しアーバ２８上へ受け
られる。The method of operation is similar to that in internal machining, only the workpiece is received on the centering arbor 28 rather than in the charging arm 5;6.
装入アーム５：６はただその中へ予備石用しされた工作
品の送りだけの役をする。The charging arms 5 and 6 serve only to feed the workpiece that has been used as a preliminary stone into it.
アームは工具が接触するため一側が開かれている。The arm is open on one side for tool contact.
石用アーバ２８は工作品入替のためには引出される。The stone arbor 28 is pulled out for changing workpieces.
第１図は内面加工のための装置の前祝図である。
第２図は第１図のＡ−Ａ断面を示す。
第３図は第１図１こ相当する外面加工用のものの前祝図
である。
第４図は第３図のＢ−Ｂ断面を示す。
図面の簡単な説明は次の通り、１，２・・・・・・加工
ステージョン、３，４・・・・・・工作品増付スピンド
ル、５，６・・・・・・装入アーム、７，８・・・・・
・工作品圧定装置、９．１０・・・・・・工具ホルダ、
１１，１２゜１３．１４・・・・・・収容ブツシュ、１
５・・・・・・装入ステーション、１６．１７・・・・
・・軸受軸、１８・・・・・・工作品送込みぞ、１９・
・・・・・未加工工作品、２０・・・・・・装入プラン
ジャ、２１．２２・・・・・・加工済工作品、２３・・
・・・・工作品送出みぞ、２４，２５・・・・・・止め
、２６．２７・・・・・・止めねじ、２８・・・・・・
心出しアーバ。FIG. 1 is a preliminary drawing of a device for processing internal surfaces. FIG. 2 shows a cross section taken along the line AA in FIG. FIG. 3 is a preliminary drawing of a tool for external surface machining corresponding to FIG. 1. FIG. 4 shows a BB cross section in FIG. 3. A brief explanation of the drawings is as follows: 1, 2... Processing station, 3, 4... Workpiece additional spindle, 5, 6... Charging arm. , 7, 8...
・Workpiece pressure device, 9.10...Tool holder,
11,12゜13.14... Accommodation bush, 1
5...Charging station, 16.17...
・・Bearing shaft, 18・・・Feed the workpiece, 19・
...Unprocessed workpiece, 20...Charging plunger, 21.22...Processed workpiece, 23...
... Workpiece delivery groove, 24, 25 ... Stop, 26.27 ... Set screw, 28 ...
Centering arbor.
Claims (1)
ろがり軸受レースを、例えば二つまたはそれ以上のスピ
ンドルで駆動される加工ステージョン、工作品取付のた
めの軸方向Ｅこ作用する圧定機構、及び圧力媒体石川し
を有する精密ホーニング盤上において加工するための環
状工作品送り装置において、 各前記加工ステージョン（１；２）にはそれぞれ二個の
交互に作業姿勢に切換え得る工作品取付具を有する１８
０°振り得る装入アーム（５：６）が付属しており、前
記装入アーム（５；６）は前記加工ステージョンの順序
に従い前記工作品の幅にほぼ相当する間隔をおいた平行
な平面内（こ装置されており、その都度作業姿勢にない
前記工作品取付具は装入ステーション１５の前へ同軸に
集結されることを特徴とする環形工作品送り装置。 ２、特許請求の範囲１に記載の装置において、前記装入
ステーション１５は前記加工ステージョンの第１の装入
アーム５の装填、仕掛工作品の前記第１の装入アーム５
から第２の装入アーム６への引渡し、及び仕上済工作品
の前記第２の装入アーム６からの押出が同時に行なわれ
ることを特徴とする装置。 ３ 特許請求の範囲１に記載の装置において、装入プラ
ンジャ２０の多数回動作により、前記装入アーム（５；
６）が、すべての前記加工ステージョンにおける同時予
備−仕上加工のために未加工工作品をもって装填され得
るようになっていることを特徴とする装置。 ４ 特許請求の範囲１（こ記載の装置において、往復し
て振れる前記装入アーム（５；６）の終端位置は調節し
得る止め（２４；２５；２６；２７）の助けによりその
両位置において独立に調整し得るようＥこなっているこ
とを特徴とする装置。[Scope of Claims] 1 Annular workpieces, in particular rolling bearing races, to be machined on the external surface or in boreholes, for example with a machining station driven by two or more spindles, in the axial direction E for mounting the workpieces; In an annular workpiece feeding device for machining on a precision honing machine having a compression mechanism and a pressure medium Ishikawa, each of the machining stations (1; 2) is provided with two alternating working positions. 18 with a workpiece fixture that can be switched to
A charging arm (5:6) that can swing by 0° is attached, and said charging arm (5; 6) is arranged in parallel rows with a spacing approximately corresponding to the width of said workpiece according to the order of said processing stations. An annular workpiece feeding device, characterized in that the workpiece fixing device, which is arranged in a plane and is not in a working position each time, is collected coaxially in front of the charging station 15. 2. Claims 1. In the apparatus according to claim 1, the charging station 15 is configured to load the first charging arm 5 of the processing station, to load the first charging arm 5 of the workpiece in progress.
The device is characterized in that the transfer of the finished workpiece from the workpiece to the second charging arm 6 and the extrusion of the finished workpiece from the second charging arm 6 are carried out simultaneously. 3. A device according to claim 1, in which the charging arm (5;
6) is such that it can be loaded with raw workpieces for simultaneous pre-finishing in all said processing stations. 4. Claim 1 (In the device according to this invention, the end position of the reciprocating loading arm (5; 6) can be adjusted in both positions with the aid of adjustable stops (24; 25; 26; 27). A device characterized in that it can be adjusted independently.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18841975A DD126964B1 (en) | 1975-09-18 | 1975-09-18 | DEVICE FOR TRANSPORTING RING-FORMED WORKSTUECTS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5248882A JPS5248882A (en) | 1977-04-19 |
| JPS5937184B2 true JPS5937184B2 (en) | 1984-09-07 |
Family
ID=5501727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10950576A Expired JPS5937184B2 (en) | 1975-09-18 | 1976-09-14 | Ring-shaped machining single-carrying device |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5937184B2 (en) |
| BG (1) | BG26851A1 (en) |
| CS (1) | CS194349B1 (en) |
| DD (1) | DD126964B1 (en) |
| DE (1) | DE2631131C2 (en) |
| HU (1) | HU177061B (en) |
| IT (1) | IT1073873B (en) |
| RO (1) | RO70280A (en) |
| SU (1) | SU755503A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62114881U (en) * | 1986-01-13 | 1987-07-21 | ||
| JP2020151845A (en) * | 2019-03-12 | 2020-09-24 | 日本精工株式会社 | Workpiece changer, workpiece transport device, processor, manufacturing method of ring bearing, manufacturing method of machine and manufacturing method of vehicle |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS537921B2 (en) * | 1973-11-24 | 1978-03-23 | ||
| USRE30976E (en) | 1977-08-29 | 1982-06-22 | Ex-Cell-O Corporation | Honing machine |
| NL8302955A (en) * | 1983-08-24 | 1985-03-18 | Hoogovens Groep Bv | METHOD FOR MANUFACTURING A MAGNESIA CARBON STONE, MAGNESIA CARBON STONE MANUFACTURED BY THE METHOD AND CONVERTER CONTAINING A WEAR LINING, WHICH IS AT LEAST PART OF MAGNESIA CARBON STONES MADE WITH THE MAGNESIA |
| DE3402212C1 (en) * | 1984-01-24 | 1985-10-24 | P.-Gerhard Dr.-Ing. 3000 Hannover Althaus | Holding and transporting apparatus for workpieces to be machined on a centreless cylindrical grinding machine |
| EP0499685A1 (en) * | 1991-02-16 | 1992-08-26 | Ernst Thielenhaus Kg | Grinding machine, especially finish grinding machine, for ring shaped workpieces |
| JP6677366B1 (en) | 2019-03-12 | 2020-04-08 | 日本精工株式会社 | Work changer, work transfer device, processing device, method for manufacturing ring bearing, method for manufacturing machine, method for manufacturing vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1456625A1 (en) * | 1966-06-01 | 1969-01-23 | Kehr & Wichmann | Device for finishing workpieces |
| DE1937802C3 (en) * | 1968-06-08 | 1981-04-16 | Ernst Thielenhaus KG, 5600 Wuppertal | Grinding machine for ring-shaped workpieces |
| DE1752520C3 (en) * | 1968-06-08 | 1980-09-11 | Maschinenfabrik Ernst Thielenhaus, 5600 Wuppertal | Grinding machine for ring-shaped workpieces |
| DE1752064C3 (en) * | 1968-03-28 | 1981-05-21 | Ernst Thielenhaus KG, 5600 Wuppertal | Fine grinding machine for grinding the inside of ring-shaped workpieces, especially ball bearings |
| IT948898B (en) * | 1972-01-20 | 1973-06-11 | Werkzeugmascinenkombinat 7 Okt | ERP MACCHI NE UTENSILI PART CHANGE DEVICE |
-
1975
- 1975-09-18 DD DD18841975A patent/DD126964B1/en unknown
-
1976
- 1976-07-10 DE DE19762631131 patent/DE2631131C2/en not_active Expired
- 1976-07-28 BG BG3387076A patent/BG26851A1/xx unknown
- 1976-08-11 SU SU762387266A patent/SU755503A1/en active
- 1976-08-20 CS CS542076A patent/CS194349B1/en unknown
- 1976-09-01 RO RO7687419A patent/RO70280A/en unknown
- 1976-09-14 JP JP10950576A patent/JPS5937184B2/en not_active Expired
- 1976-09-14 HU HU76WE541A patent/HU177061B/en unknown
- 1976-09-16 IT IT5129676A patent/IT1073873B/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62114881U (en) * | 1986-01-13 | 1987-07-21 | ||
| JP2020151845A (en) * | 2019-03-12 | 2020-09-24 | 日本精工株式会社 | Workpiece changer, workpiece transport device, processor, manufacturing method of ring bearing, manufacturing method of machine and manufacturing method of vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CS194349B1 (en) | 1979-12-31 |
| DE2631131A1 (en) | 1977-03-31 |
| DD126964B1 (en) | 1980-04-30 |
| JPS5248882A (en) | 1977-04-19 |
| HU177061B (en) | 1981-06-28 |
| DE2631131C2 (en) | 1982-12-23 |
| IT1073873B (en) | 1985-04-17 |
| RO70280A (en) | 1981-06-26 |
| BG26851A1 (en) | 1979-07-12 |
| DD126964A1 (en) | 1977-08-24 |
| SU755503A1 (en) | 1980-08-15 |
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