JPH0356858B2 - - Google Patents
Info
- Publication number
- JPH0356858B2 JPH0356858B2 JP57020529A JP2052982A JPH0356858B2 JP H0356858 B2 JPH0356858 B2 JP H0356858B2 JP 57020529 A JP57020529 A JP 57020529A JP 2052982 A JP2052982 A JP 2052982A JP H0356858 B2 JPH0356858 B2 JP H0356858B2
- Authority
- JP
- Japan
- Prior art keywords
- tool
- tool rest
- column
- support
- hydraulic chamber
- 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 - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/34—Relative movement obtained by use of deformable elements, e.g. piezoelectric, magnetostrictive, elastic or thermally-dilatable elements
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/34—Relative movement obtained by use of deformable elements, e.g. piezoelectric, magnetostrictive, elastic or thermally-dilatable elements
- B23Q1/36—Springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Turning (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
【発明の詳細な説明】
この発明は、複合旋盤の刃物台の支持構造に関
するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a support structure for a tool rest of a compound lathe.
第1図は複合旋盤の一例を示す図で、1はベツ
ド、2は主軸に装着されたチヤツク、3はベツド
1上に主軸方向(図の紙面と直角の方向)に摺動
自在に装着されたクロススライド、4はクロスス
ライド3上に図の左右方向に摺動自在に装着され
た機台、5はこの機台4に装着された刃物台、6
は機台4を摺動させるための電動機である。複合
旋盤には取付けられた工具7を回転させることが
出来る工具取付軸8が設けられており、バイト等
による旋削加工の他に、回転工具7による各種の
加工を行なうことが出来、刃物台5をタレツトに
して工具交換を行なうものや自動工具交換装置を
設けたもの等が知られている。図中9は工具取付
軸8を回転させるための電動機である。 Fig. 1 is a diagram showing an example of a compound lathe, where 1 is a bed, 2 is a chuck attached to the main shaft, and 3 is a chuck attached to the bed 1 so as to be slidable in the direction of the main shaft (perpendicular to the plane of the drawing). 4 is a machine base mounted on the cross slide 3 so as to be slidable in the left and right direction in the figure; 5 is a tool rest mounted on this machine base 4; 6 is a cross slide mounted on the machine base 4;
is an electric motor for sliding the machine base 4. The compound lathe is equipped with a tool mounting shaft 8 that can rotate the attached tool 7, and in addition to turning with a cutting tool or the like, various types of processing can be performed with the rotary tool 7. There are known tools that use a turret to change tools, and tools that are equipped with an automatic tool changer. 9 in the figure is an electric motor for rotating the tool mounting shaft 8.
ところで従来の複合旋盤では、刃物台5は機台
4に固定されているか或いは回動自在に装着され
ており、主軸及び工具軸と直角の方向(第1図の
上下方向。以下Y軸方向という。)への移動は許
容されていない。従つて例えば工具取付軸8にミ
ーリングカツタを取付けてキー溝の加工を行なう
ような場合、加工されるキー溝の幅はミーリング
カツタの外径によつて規定されてカツタが摩耗し
たときには加工されるキー溝の幅も狭くなつてし
まい、又、キー溝の幅を少し広げたい場合にもカ
ツタをいちいち交換してやらねばならなかつた。 By the way, in conventional compound lathes, the tool rest 5 is either fixed to the machine stand 4 or is rotatably mounted, and is rotated in a direction perpendicular to the main spindle and the tool axis (vertical direction in Fig. 1; hereinafter referred to as the Y-axis direction). ) is not permitted. Therefore, for example, when a milling cutter is attached to the tool mounting shaft 8 and a keyway is machined, the width of the keyway to be machined is determined by the outer diameter of the milling cutter, and when the cutter is worn out, the keyway is machined. The width of the keyway also became narrower, and even if I wanted to widen the width of the keyway a little, I had to replace the cutters one by one.
この発明は、刃物台にY軸方向に微小変位を与
えることが出来る刃物台の支持構造を提供するこ
とを目的とするものである。 An object of the present invention is to provide a support structure for a tool rest that can give a minute displacement to the tool rest in the Y-axis direction.
図示実施例の符号を用いて説明すると、この発
明の刃物台の支持構造は、第1図に示すような回
転する工具取付軸8を有する刃物台5を備えた複
合旋盤において、機台4と刃物台5とを工具取付
軸8と直交する方向の支柱10,34によつて連
結して刃物台5をこの支柱の軸線方向に微小移動
可能に支持し、各支柱の内部又は周囲に該支柱の
軸心に対称な断面形状を備えた筒状の油圧室1
1,35を形成し、この油圧室に供給される作動
油の圧力を刃物台5の支柱10,34の軸線方向
の変位を参照して制御するフイードバツク制御装
置を設け、上記油圧室内の圧力によつて生ずる支
柱10,34の軸方向単純引張弾性歪を利用して
刃物台5に工具取付軸8と直交する方向の微小変
位を生じさせるようにしたものである。 To explain using the reference numerals of the illustrated embodiments, the tool rest support structure of the present invention is used in a compound lathe equipped with a tool rest 5 having a rotating tool mounting shaft 8 as shown in FIG. The tool rest 5 is connected to the tool rest 5 by pillars 10 and 34 in a direction perpendicular to the tool mounting shaft 8, and the tool rest 5 is supported so as to be able to move minutely in the axial direction of the pillar. A cylindrical hydraulic chamber 1 with a cross-sectional shape symmetrical to the axis of
1 and 35, and is provided with a feedback control device that controls the pressure of the hydraulic oil supplied to this hydraulic chamber by referring to the displacement in the axial direction of the columns 10 and 34 of the tool rest 5, and controls the pressure in the hydraulic chamber. The resulting simple tensile elastic strain in the axial direction of the struts 10 and 34 is utilized to cause the tool post 5 to undergo minute displacement in a direction orthogonal to the tool mounting shaft 8.
この様な構造によつて刃物台5にY軸方向の微
小送りを与えることが出来るようにすれば、前述
したキー溝を加工する際にもカツタにキー溝の幅
方向の送りを与えてその寸法を補正してやること
が出来るようになり、工具交換の煩雑さが解消さ
れると共に加工精度を向上させることも可能とな
る。 By making it possible to give the tool post 5 a minute feed in the Y-axis direction with this structure, when machining the aforementioned keyway, you can also give the cutter a feed in the width direction of the keyway. Dimensions can now be corrected, the complexity of tool replacement can be eliminated, and machining accuracy can also be improved.
そして上記構造によれば、工具取付軸8にY軸
方向の変位を与えたときにY軸以外の方向には全
く変位せず、刃物7に所望の変位を正確に与える
ことが可能となる。 According to the above structure, when the tool mounting shaft 8 is displaced in the Y-axis direction, it is not displaced at all in directions other than the Y-axis, making it possible to accurately apply a desired displacement to the cutter 7.
第2図及び第3図はこの発明の一実施例を示す
図で、第2図は刃物台支持部の詳細構造を示す
図、第3図は圧油供給装置とその制御系統を示す
図である。第2図の10は支柱で、この支柱10
の下端は機台4に締着されており、その上端は刃
物台5に締着されている。刃物台5にはこの支柱
10を中心とする円筒状の凹所が設けられて油圧
室11が形成されている。12は座金状のバネ板
で、このバネ板12の内径部は支柱10の下端と
機台4とで挾圧されて機台4側に固定され、その
外径部は油圧室11を形成する刃物台5の下端部
と押え金13とで挾圧されて刃物台5側に固定さ
れている。15は刃物台5に形成された前記円筒
状の凹所に嵌装したスリーブで、このスリーブ1
5は油圧室11内の作動油の圧力が鋳物で製作さ
れた刃物台5に直接作用することが無い様にする
ために設けられたものである。同様な理由によつ
て油圧室11の上端はキヤツプ16で形成され、
支柱10と刃物台5とはこのキヤツプ16を介し
て固定されている。従つて刃物台5が溶接構造物
で製作される場合には、スリーブ15を設ける必
要はなく、支柱10は刃物台5に直接固定するこ
とが出来る。17,18は機台4と支柱10とに
設けられた圧油供給孔、19,20は液封装置、
想像線で示す21は加工物である。 Figures 2 and 3 are diagrams showing an embodiment of the present invention, Figure 2 is a diagram showing the detailed structure of the tool post support section, and Figure 3 is a diagram showing the pressure oil supply device and its control system. be. 10 in Fig. 2 is a support, and this support 10
Its lower end is fastened to the machine stand 4, and its upper end is fastened to the tool rest 5. The tool rest 5 is provided with a cylindrical recess centered around the support column 10, and a hydraulic chamber 11 is formed therein. Reference numeral 12 designates a washer-like spring plate, and the inner diameter part of this spring plate 12 is clamped between the lower end of the column 10 and the machine base 4 and fixed to the machine base 4 side, and the outer diameter part forms the hydraulic chamber 11. The lower end of the tool rest 5 and the presser foot 13 are clamped and fixed to the tool rest 5 side. Reference numeral 15 denotes a sleeve fitted into the cylindrical recess formed in the tool rest 5;
Reference numeral 5 is provided to prevent the pressure of the hydraulic oil in the hydraulic chamber 11 from directly acting on the tool rest 5 made of cast metal. For the same reason, the upper end of the hydraulic chamber 11 is formed with a cap 16,
The column 10 and the tool rest 5 are fixed via this cap 16. Therefore, when the tool rest 5 is made of a welded structure, there is no need to provide the sleeve 15, and the column 10 can be directly fixed to the tool rest 5. 17 and 18 are pressure oil supply holes provided in the machine base 4 and the support column 10, 19 and 20 are liquid sealing devices,
21 indicated by an imaginary line is a workpiece.
この様に構成された支持構造部の油圧室11に
圧油を供給してやれば、圧油の圧力は支柱10に
軸線方向の引張り応力を生じさせ、これに起因す
る支柱10の弾性歪によつて刃物台5が第2図
上、上方に微小量変位するから、工具取付軸8に
Y軸方向の微小送りを与えることが出来る。バネ
板12は機台4と刃物台5との間のY軸方向の微
小変位を許容すると共に支柱10の軸に直角方向
に作用する外力に対する剛性を保障するために設
けたものである。 When pressurized oil is supplied to the hydraulic chamber 11 of the support structure configured in this manner, the pressure of the pressurized oil causes tensile stress in the axial direction to be generated in the column 10, and due to the elastic strain of the column 10 caused by this, Since the tool post 5 is slightly displaced upward in FIG. 2, it is possible to give the tool mounting shaft 8 a small amount of feed in the Y-axis direction. The spring plate 12 is provided to allow minute displacement between the machine base 4 and the tool rest 5 in the Y-axis direction, and to ensure rigidity against external forces acting perpendicularly to the axis of the support 10.
油圧室11への圧油供給装置及びその制御系統
が第3図に示されており、第3図中、22は圧油
供給装置のシリンダ、23はシリンダ22内を進
退するプランジヤ、24はプランジヤ23と一体
に形成された螺杆、25は螺杆24と螺合してい
る歯車、26は歯車25と噛合している歯車、2
7は歯車26を駆動するDCモータ、28は油圧
パイプである。DCモータ27は後述する制御装
置によつてサーボ制御されて回転し、図示しない
フレームに軸受29を介して支持された歯車25
を回転させ、プランジヤ23を進退させて油圧室
11に供給される作動油の圧力を変化させ、刃物
台5のY軸方向の変位量を変化させる。 The pressure oil supply device to the hydraulic chamber 11 and its control system are shown in FIG. 3, in which 22 is a cylinder of the pressure oil supply device, 23 is a plunger that moves forward and backward within the cylinder 22, and 24 is a plunger. 23 is a screw rod formed integrally with the screw rod 24, 25 is a gear screwed into the screw rod 24, 26 is a gear meshed with the gear 25, 2
7 is a DC motor that drives the gear 26, and 28 is a hydraulic pipe. The DC motor 27 rotates under servo control by a control device to be described later, and a gear 25 is supported by a frame (not shown) via a bearing 29.
is rotated, the plunger 23 is moved back and forth to change the pressure of the hydraulic oil supplied to the hydraulic chamber 11, and the amount of displacement of the tool rest 5 in the Y-axis direction is changed.
刃物台5の変位量は、差動トランス30によつ
て検出されて絶縁アンプ31を経て差動アンプ3
2に与えられ、一方図示しないNC装置その他の
指令装置から与えられる指令データがD−A変換
器を経て差動アンプ32に与えられて、その差信
号によつてサーボアンプがDCモータ27を制御
する。差動アンプ32の出力が一定の許容値内に
なるとコンパレータ33から一致信号が指令装置
に向けて出力され、刃物台5、即ち工具7のY軸
方向位置が指令された位置に設定されたことが指
令装置に報告される。 The amount of displacement of the tool post 5 is detected by a differential transformer 30 and transmitted to the differential amplifier 3 via an isolation amplifier 31.
2, and on the other hand, command data given from an NC device or other command device (not shown) is given to the differential amplifier 32 via a DA converter, and the servo amplifier controls the DC motor 27 based on the difference signal. do. When the output of the differential amplifier 32 falls within a certain tolerance, a match signal is output from the comparator 33 to the command device, and the Y-axis direction position of the tool rest 5, that is, the tool 7, is set to the commanded position. is reported to the command device.
第2図に示す実施例は、支柱10の周囲に油圧
室11を形成したものであるが、第4図に示す様
に、円筒状の支柱34によつて機台4と刃物台5
とを連結して油圧室35をこの支柱34の内部に
形成するとことも勿論可能である。ここで支柱3
4の上端は刃物台5に、その下端は機台4に締結
されていることはいうまでもない。 In the embodiment shown in FIG. 2, a hydraulic chamber 11 is formed around a support 10, but as shown in FIG.
Of course, it is also possible to form the hydraulic chamber 35 inside the support column 34 by connecting the two. Here, pillar 3
Needless to say, the upper end of 4 is fastened to the tool rest 5, and the lower end thereof is fastened to the machine stand 4.
以上説明したような支持構造によれば、例えば
プランジヤ装置22,23によつて700Kg/cm2程
度の油圧力を発生させて刃物台5をその剛性を損
なうことなくY軸方向に0.3mm程度変位させるこ
とが可能であり、回転工具7の摩耗量の補正、キ
ー溝等のはめ合い寸法の補正を行なうこと、ある
いはY軸方向の微小送りによつて同一工具で荒削
りと仕上削りを行なう等の加工が可能となり、工
具交換に要する時間が短縮されてより高精度な加
工も可能となる。 According to the support structure described above, for example, by generating a hydraulic pressure of about 700 kg/cm 2 by the plunger devices 22 and 23, the tool post 5 can be displaced about 0.3 mm in the Y-axis direction without losing its rigidity. It is possible to correct the wear amount of the rotary tool 7, correct the fitting dimensions of keyways, etc., or perform rough cutting and finishing cutting with the same tool by small feed in the Y-axis direction. Machining becomes possible, the time required to change tools is shortened, and higher precision machining is also possible.
更にこの発明の構造によれば、刃物7にY軸方
向の変位を与えても刃物7は他の方向には全く変
位しないので、ワークを所望形状に正確に加工で
きるという効果がある。 Furthermore, according to the structure of the present invention, even if the blade 7 is displaced in the Y-axis direction, the blade 7 is not displaced at all in other directions, so that the workpiece can be accurately machined into a desired shape.
第1図は複合旋盤をテールストツク側から見た
側面図、第2図はこの発明の刃物台支持構造部の
詳細を示す一部断面側面図、第3図は油圧発生装
置とその制御系統を示す図、第4図はこの発明の
刃物台支持構造部の他の実施例を示す一部断面側
面図である。
図中、1はベツド、3はクロススライド、4は
機台、5は刃物台、7は回転工具、8は工具取付
軸、10,34は支柱、11,35は油圧室、1
2はバネ板、13は押え金、17,18は圧油供
給孔、21は加工物、22はシリンダ、23はプ
ランジヤ、27はDCモータ、28は油圧パイプ、
30は差動トランス、32は差動アンプである。
Fig. 1 is a side view of a compound lathe seen from the tailstock side, Fig. 2 is a partially sectional side view showing details of the tool post support structure of the present invention, and Fig. 3 is a hydraulic generator and its control system. 4 are partially sectional side views showing other embodiments of the tool post support structure of the present invention. In the figure, 1 is a bed, 3 is a cross slide, 4 is a machine stand, 5 is a turret, 7 is a rotary tool, 8 is a tool mounting shaft, 10 and 34 are columns, 11 and 35 are hydraulic chambers, 1
2 is a spring plate, 13 is a presser foot, 17 and 18 are pressure oil supply holes, 21 is a workpiece, 22 is a cylinder, 23 is a plunger, 27 is a DC motor, 28 is a hydraulic pipe,
30 is a differential transformer, and 32 is a differential amplifier.
Claims (1)
複合旋盤において、クロススライド3上を摺動す
る機台4に刃物台5が工具取付軸8と直交する方
向の支柱10,34によつて支持されており、刃
物台5はこの支柱の軸線方向に微小移動可能で、
各支柱の内部又は周囲に該支柱の軸心に対称な断
面形状を有する筒状の油圧室11,35が形成さ
れ、この油圧室に供給される作動油の圧力を刃物
台5の支柱10,34の軸線方向の変位を参照し
て制御するフイードバツク制御装置が設けられて
おり、上記油圧室内の圧力によつて生ずる支柱1
0,34の軸方向単純引張弾性歪を利用して刃物
台5に工具取付軸8と直交する方向の微小変位を
生じさせることを特徴とする、複合旋盤における
刃物台の支持装置。 2 支柱の機台側端部と刃物台とがバネ板12に
よつて連結されている、特許請求の範囲第1項記
載の刃物台の支持装置。[Scope of Claims] 1. In a compound lathe equipped with a tool rest 5 having a rotary tool mounting shaft 8, the tool rest 5 is provided with a support in a direction perpendicular to the tool mounting shaft 8 on a machine stand 4 that slides on a cross slide 3. 10, 34, and the tool rest 5 can be moved minutely in the axial direction of this support.
A cylindrical hydraulic chamber 11, 35 having a cross-sectional shape symmetrical to the axis of the column is formed inside or around each column, and the pressure of the hydraulic oil supplied to this hydraulic chamber is transferred to the column 10, 35 of the tool post 5. A feedback control device is provided for controlling the axial displacement of the column 1 caused by the pressure in the hydraulic chamber.
A support device for a tool rest in a compound lathe, characterized in that a minute displacement is caused in the tool rest 5 in a direction perpendicular to a tool mounting shaft 8 by using an axial simple tensile elastic strain of 0.34. 2. The tool rest support device according to claim 1, wherein the machine stand side end of the support and the tool rest are connected by a spring plate 12.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2052982A JPS58137542A (en) | 1982-02-10 | 1982-02-10 | Supporting structure for tool rest of combined lathe |
CA000420578A CA1205305A (en) | 1982-02-10 | 1983-01-31 | Coupled structure of constituting machine elements in machinery |
GB08303516A GB2114478B (en) | 1982-02-10 | 1983-02-09 | Coupling mechanism for coupling a pair of mechanical elements |
DE19833304463 DE3304463A1 (en) | 1982-02-10 | 1983-02-09 | CLUTCH DEVICE FOR PARTS OF MACHINES, IN PARTICULAR MACHINE TOOLS |
FR8302057A FR2521049B1 (en) | 1982-02-10 | 1983-02-09 | DEVICE FOR ACTING ON THE RELATIVE POSITION OF TWO COUPLED ELEMENTS OF A MACHINE TOOL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2052982A JPS58137542A (en) | 1982-02-10 | 1982-02-10 | Supporting structure for tool rest of combined lathe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58137542A JPS58137542A (en) | 1983-08-16 |
JPH0356858B2 true JPH0356858B2 (en) | 1991-08-29 |
Family
ID=12029678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2052982A Granted JPS58137542A (en) | 1982-02-10 | 1982-02-10 | Supporting structure for tool rest of combined lathe |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS58137542A (en) |
CA (1) | CA1205305A (en) |
DE (1) | DE3304463A1 (en) |
FR (1) | FR2521049B1 (en) |
GB (1) | GB2114478B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0493616A4 (en) * | 1990-07-24 | 1992-12-09 | Hamai Co., Ltd. | System for controlling postures of structures and machine tools |
JP4198825B2 (en) * | 1999-06-08 | 2008-12-17 | トーヨーエイテック株式会社 | Grinding equipment |
WO2005108004A1 (en) * | 2004-04-23 | 2005-11-17 | Schott Ag | Device and method for the production of microstructures |
JP5519124B2 (en) * | 2008-06-17 | 2014-06-11 | 株式会社ヴァレオジャパン | Processing apparatus and processing method for simultaneously processing both surfaces of workpiece |
CN108907871B (en) * | 2018-07-11 | 2020-11-06 | 台州市诚驰机电有限公司 | Machining equipment and machining process method of multi-angle high-pressure atomizing fan-shaped nozzle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50154892A (en) * | 1974-06-05 | 1975-12-13 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1238368A (en) * | 1959-06-30 | 1960-08-12 | Machine tool called work unit | |
DE1264929B (en) * | 1961-11-22 | 1968-03-28 | Ramisch & Co Dr | Device for machining crowning or hollow machining of essentially cylindrical workpieces |
CH435864A (en) * | 1963-05-16 | 1967-05-15 | Ernst Heinkel Aktiengesellscha | Device for the position-determined releasable connection of two machine parts |
FR1432219A (en) * | 1965-04-30 | 1966-03-18 | Process for the micrometric machining of any parts, any device for implementing the present process or similar process, as well as machine tools or other precision devices provided with this device | |
GB1140166A (en) * | 1967-05-13 | 1969-01-15 | Marwin Machine Tools Ltd | Stressing of load-bearing members |
FR1588597A (en) * | 1968-09-20 | 1970-04-17 | ||
DD139225A1 (en) * | 1978-10-13 | 1979-12-19 | Stollberg Horst Heinrich | AUTOMATICALLY CONTROLLABLE FINISHING DEVICE, ESPECIALLY FOR TOOLING MACHINES |
-
1982
- 1982-02-10 JP JP2052982A patent/JPS58137542A/en active Granted
-
1983
- 1983-01-31 CA CA000420578A patent/CA1205305A/en not_active Expired
- 1983-02-09 DE DE19833304463 patent/DE3304463A1/en active Granted
- 1983-02-09 FR FR8302057A patent/FR2521049B1/en not_active Expired - Fee Related
- 1983-02-09 GB GB08303516A patent/GB2114478B/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50154892A (en) * | 1974-06-05 | 1975-12-13 |
Also Published As
Publication number | Publication date |
---|---|
FR2521049B1 (en) | 1992-02-21 |
GB2114478B (en) | 1985-10-30 |
CA1205305A (en) | 1986-06-03 |
JPS58137542A (en) | 1983-08-16 |
DE3304463C2 (en) | 1990-08-09 |
GB8303516D0 (en) | 1983-03-16 |
FR2521049A1 (en) | 1983-08-12 |
DE3304463A1 (en) | 1983-08-18 |
GB2114478A (en) | 1983-08-24 |
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