DE1008966B - Device for fine adjustment of machine parts, which are moved on straight or round guides - Google Patents
Device for fine adjustment of machine parts, which are moved on straight or round guidesInfo
- Publication number
- DE1008966B DE1008966B DEL19423A DEL0019423A DE1008966B DE 1008966 B DE1008966 B DE 1008966B DE L19423 A DEL19423 A DE L19423A DE L0019423 A DEL0019423 A DE L0019423A DE 1008966 B DE1008966 B DE 1008966B
- Authority
- DE
- Germany
- Prior art keywords
- machine part
- slide
- carriage
- springs
- machine
- 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.)
- Pending
Links
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
-
- 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
- B23Q1/28—Means for securing sliding members in any desired position
-
- 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
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/154—Stationary devices
- B23Q3/1543—Stationary devices using electromagnets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G2700/00—Control mechanisms or elements therefor applying a mechanical movement
- G05G2700/02—Means for regulating or adjusting control mechanisms, e.g. devices for automatic adjustment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Machine Tool Units (AREA)
Description
Vorrichtung zur Feineinstellung von Maschinenteilen, welche auf Gerad-oder Rundführungen bewegt werden Im Werkzeugmaschinenbau sowie im MeßweSen tritt häufig das Problem auf, ein auf einer Führung bewegtes Maschinenteil an eine genau bestimmte Stelle der Führiung zu bringen. Bei einem Lehrenbohrwerk z. B. müssen, je nach Konstruktion, der Tisch mit dem Werkstück oder der Schlitten mit der Bohrspindel so verschoben werden, daß sie eine bestimmte Lage zum Maschinenständer einnehmen, wobei die geforderte Einstellgenauigkeit unter 1/10"0 mm geht. Um die dazu nötigen Bewegungen der Maschinenteile zu ermöglichen, werden entweder Gleit- oder Wälzführungen verwendet.Device for fine adjustment of machine parts, which are straight or Round guides are moved In machine tool construction as well as in measuring systems occurs frequently the problem of a machine part moving on a guide to a precisely defined one Place of leadership. In a jig boring machine z. B. must, depending on the construction, the table with the workpiece or the slide with the drilling spindle moved in this way be that they occupy a certain position to the machine frame, the required Setting accuracy below 1/10 "0 mm is about the necessary movements of the machine parts To enable either sliding or roller guides are used.
Bei einer Gleitführung liegt der Reibwert der Ruhe höher als der Reibwert der Bewegung, was zur Folge hat, daß ein gleitendes Maschinenteil, z. B. der Tisch eines Lehrenbohrwerkes, plötzlich festsitzt, wenn die V orschubkraft unter einen bestimmten Wert absinkt. da der Schmierfilm zusammenbricht. Der Bereich, innerhalb dessen das Maschinenteil (Lehrenbohrwerkstisch) zurn Stillstand kommt, kann hierbei höchstens auf 1/i0 mm genau vorherbestimmt werden. Eine Feineinstellung ist daher schwierig ,und langwierig und erfordert teure, ausgesuchte Fachkräfte. Bei Wälzführungen treten, wenn auch in wesentlich geringerem Umfang, ähnliche Probleme auf, da durch die elastische Verformung der Wälzbahnen die Wälzkörper in kleine Mulden zu liegen kommen. Es ist auch bei sehr teuren Konstruktionen von Wälzführungen, ähnlich wie bei Gleitführungen, eine k°inesfalls geringe Kraft nötig, um das Maschinenteil aus vier Ruhelage heraus zu bewegen. Der ideale Fall aber wäre der, daß eine beliebig ]<leine Kraft bereits eine ebenso kleine Verschiebung des Maschinenteiles zur Folge hätte, daß also die Verschiebekraft proportional der durch sie erzielten Wegstrecke wäre.In the case of a sliding guide, the coefficient of friction at rest is higher than the coefficient of friction the movement, with the result that a sliding machine part, e.g. B. the table of a jig boring machine, suddenly gets stuck when the feed force is below you certain value decreases. because the lubricating film breaks down. The area within which the machine part (jig boring machine table) comes to a standstill can here can be predetermined with a maximum accuracy of 1/10 mm. A fine adjustment is therefore necessary difficult and tedious and requires expensive, carefully selected specialists. With roller guides similar problems arise, albeit to a much lesser extent, because of this the elastic deformation of the rolling tracks to lie the rolling elements in small depressions come. It is also similar to very expensive designs of roller guides In the case of sliding guides, a minimal amount of force is necessary to pull the machine part off four rest positions to move out. The ideal case, however, would be that one is arbitrary ] <lein force already an equally small shift of the machine part for The consequence would be that the displacement force is proportional to the distance achieved by it were.
Die Erfindung, welche diesen Idealfall ermöglicht, ist dadurch gekennzeichnet, daß eine Relativbewegung zweier Maschinenteile gegeneinander, mit dem Ziel, ihre Lage zueinander besonders genau festzulegen, durch die elastische Verformung von Federn erfolgt. Vor dieser feinen Einstellung erfolgte bereits eine grobe Zustellung durch normale Gleit- oder Wälzführungen.The invention, which makes this ideal case possible, is characterized in that that a relative movement of two machine parts against each other, with the aim of their Position to each other particularly precisely to be determined by the elastic deformation of Springs takes place. A rough delivery took place before this fine adjustment through normal sliding or roller guides.
Das Einsteuern eines Maschinenteiles (z. 13 des Tisches eines Lehrenbohrwerkes) auf einen bestimmten Punkt hin erfolgt also folgendermaßen: Auf einer normalen Führungsbahn i in Abb. 1 wird der Schlitten b zuerst ungefähr in die gewünschte Lage gebracht und dort festgehalten. Das Maschinenteil a ist mit dem Schlitten b durch Federn d derart verbunden, daß eine Relativbewegung des Maschinenteiles a gegen den Schlitten b möglich ist. Durch Auf-])ringen einer Kraft am Maschinenteil a wird dieses unter elastischer Verformung der Federn so weit verschoben, bis der gewünschte Punkt erreicht ist. Entsprechend der Kraft-Weg-Charakteristik der Federn wird durch Aufbringen einer kleinen Kraft das Maschinenteil a um ein kleines Wegstück verschoben. Die erzielte Verschiebung ist dabei der aufgebrachten Kraft proportional. Hierdurch ist es möglich, das Maschinenteil a beliebig kleine Wegstrecken weit genau zu verschieben, da die Erzeugung kleiner Kräfte konstruktiv keine Schwierigkeiten bereitet.The steering of a machine part (e.g. 13 of the table of a jig boring machine) to a certain point is carried out as follows: On a normal guideway i in Fig. 1, the carriage b is first brought approximately into the desired position and held there. The machine part a is connected to the slide b by springs d in such a way that a relative movement of the machine part a with respect to the slide b is possible. By exerting a force on the machine part a, it is shifted with elastic deformation of the springs until the desired point is reached. According to the force-displacement characteristic of the springs, the machine part a is shifted by a small distance by applying a small force. The displacement achieved is proportional to the force applied. This makes it possible to move the machine part a very small distances as desired, since the generation of small forces does not cause any structural difficulties.
Nachdem nun das Maschinenteil a die gewünschte Lage erreicht hat, wird es mit dem Schlitten h fest verbunden, was durch mechanisches Festspannen oder auf magnetischem, hydraulischem oder pneumatischem Weg erfolgen kann. Die gewünschte Stellung kann z. B. durch einen Anschlag aus einer Endmaßkette g in Ahb. 3 und 4 oder durch einen beliebigen Maßstab gekennzeichnet sein. Nachdem jetzt das Maschinenteil a mit dem Schlitten h fest verbunden ist, desgleichen der Schlitten b mit dem Maschinengestell c, sowie das Maschinenteil a sich in der richtigen Lage befindet. kann der Arbeits- oder Meßvorgang beginnen.Now that the machine part a has reached the desired position, it is firmly connected to the slide h, which is achieved by mechanical clamping or can be done magnetically, hydraulically or pneumatically. The desired Position can e.g. B. by a stop from a final dimension chain g in Ahb. 3 and 4 or be marked by any scale. After now the machine part a is firmly connected to the carriage h, as is the carriage b to the machine frame c, as well as the machine part a is in the correct position. can the working or start measuring.
Die Fixierung des Maschinenteiles a gegen den Schlitten b kann vorteil'hafterweise so erfolgen, daß das Maschinenteil a im fixierten Zustand auf dem Schlitten b fest aufliegt und auf diese Weise mit ihm eine Einheit bildet, welche gegen auftretende Bearbeitungskräfte eine wesentlich größere Steifigkeit besitzt als das Maschinenteil a allein (Abb. 3 und 4). Diese Forderung kann durch Federn d (Ahl). 3 ,und 4), welche mindestens in zwei Richtungen eine Bewegung des Maschinenteiles a zulassen, erfüllt werden. Das :Maschinenteil <r wird also erst waagerecht verschoben, his es die gewünschte Stellung erreicht bat -man kann es zweckmäßigerweise gegen einen Anschlag g (Abb. 3 und 4) drücken -, hierauf wird das Maschinenteil a z. B. durch die magnetische Kraft von Elektromagneten h (Abb. 3), welche in der Berührungsfläche des Maschinenteiles a oder des Schlittens b untergebracht sind, auf den Schlitten b heruntergezogen und auf ihm festgehalten. Nach. Beendigung des Arbeitsprozesses wird der Elektromagnet abgeschaltet, wodurch das Maschinenteil a durch die Federn d von dem Schlitten b abgehoben wird:. Hierbei ist besonders vorteilhaft, daß die Bearbeitungskräfte (z. B. der Bohrdruck) vom Maschinenteil a. nicht über die Federn, sondern direkt in den Schlitten b geleitet werden. Zwischen Maschinenteil a und dem Schlitten b genügt ein Spalt von einigen zehntel mm Dicke.The fixation of the machine part a against the slide b can advantageously take place in such a way that the machine part a rests firmly on the slide b in the fixed state and in this way forms a unit with it, which has a significantly greater rigidity than that against machining forces Machine part a alone (Fig. 3 and 4). This requirement can be met by springs d (Ahl). 3, and 4), which allow a movement of the machine part a in at least two directions, are fulfilled. The: machine part <r is first moved horizontally until it reaches the desired position - it can be conveniently pressed against a stop g (Fig. 3 and 4) - then the machine part a z. B. by the magnetic force of electromagnets h (Fig. 3), which are housed in the contact surface of the machine part a or the carriage b , pulled down on the carriage b and held on it. To. At the end of the working process, the electromagnet is switched off, whereby the machine part a is lifted off the carriage b by the springs d :. It is particularly advantageous that the machining forces (e.g. the drilling pressure) from the machine part a. not via the springs but directly into the slide b . A gap of a few tenths of a mm is sufficient between machine part a and carriage b.
Eine andere Art der Fixierung besteht darin, däß man Federn verwendet, welche eine Bewegung nur in einer Richtung oder Ebene = Vers.tellebene zulassen und welche so, bemessen sind, daß sie die senkrecht zu dieser Ebene auftretenden Kräfte (Bearbeitungskräfte) aufnehmen können (Abb. 1 und 2). Um hierbei aber eine Verschiebung in der Verstellehene während der Arbeitsoperation zu vermeiden, wird im Schlitten b eine magnetische Spannplatte f derart in Federn e (Abb. 1 und 2) aufgehängt, daß sie sich senkrecht bewegen kann, aber waagerecht, also in der Verstellebene, festliegt. Bei Betätigung der Elektromagnete wird ,diese magnetische Spannplatte f an die Unterseite des Maschinenteiles ca angezogen und dort festgehalten. Hierdurch wird das Maschinensteil a gegen Bewegungen in der Verstellebene fixiert. Diese Lösung hat den Vorzug, daß während des Fixiervorganges keinerlei waagerechte Kräfte - also Kräfte in der Verstellebene - durch den Fixiermechanismus ausgelöst werden, so daß keine Gefahr besteht, daß das bereits genau eingestellte Maschinenteil a durch den Fixiervorgang aus seiner genauen Lage verschoben wird. Die Anwendung eines solchen Fixierprinzips eignet sich besonders dann., wenn das Maschinenteil a nicht gegen einen Anschlag gefahren wird, sondern wenn die genaue Tischeinstellung durch Ablesen eines Maßstabes, also optisch, erfolgen soll.Another type of fixation consists in using springs which only allow movement in one direction or plane = vers. Level and which are dimensioned so that they can absorb the forces (machining forces) occurring perpendicular to this plane (Fig . 1 and 2). In order to avoid a shift in the adjustment plane during the work operation, a magnetic clamping plate f is suspended in springs e (Fig. 1 and 2) in the slide b in such a way that it can move vertically, but horizontally, i.e. in the adjustment plane, is fixed. When the electromagnet is actuated, this magnetic clamping plate f is attracted to the underside of the machine part ca and held there. As a result, the machine part a is fixed against movements in the adjustment plane. This solution has the advantage that no horizontal forces whatsoever - i.e. forces in the adjustment plane - are triggered by the fixing mechanism during the fixing process, so that there is no risk of the already precisely set machine part a being displaced from its exact position by the fixing process. The use of such a fixing principle is particularly suitable when the machine part a is not driven against a stop, but when the exact table setting is to be carried out by reading a scale, that is to say optically.
Abb. 5 und 6 zeigen die Anwendung dieses Prinzips bei einem Rundtisch, wobei die Festspannung hyd'raul!isch mittels eines Kolbensystems h erfolgt. Als Federn d können hier runde Stäbe verwendet werden. Der Aufbau ist hier ganz analog, nur tritt an Stelle der translatorischen eine rotatorische Beweä u@ng .Fig. 5 and 6 show the application of this principle to a rotary table, the fixed clamping takes place hydraulically by means of a piston system h. as Springs d round rods can be used here. The structure is completely analogous here, only a rotary movement takes the place of the translatory movement.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL19423A DE1008966B (en) | 1954-07-20 | 1954-07-20 | Device for fine adjustment of machine parts, which are moved on straight or round guides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL19423A DE1008966B (en) | 1954-07-20 | 1954-07-20 | Device for fine adjustment of machine parts, which are moved on straight or round guides |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1008966B true DE1008966B (en) | 1957-05-23 |
Family
ID=7261399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEL19423A Pending DE1008966B (en) | 1954-07-20 | 1954-07-20 | Device for fine adjustment of machine parts, which are moved on straight or round guides |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1008966B (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1123881B (en) * | 1959-12-21 | 1962-02-15 | Toenshoff & Co Maschinenfabrik | Feed limitation for a machine part of a machine tool that can be moved directly using a hand lever |
DE1230282B (en) * | 1961-04-18 | 1966-12-08 | Agfa Ag | Device for adjustable mounting of an axis |
DE1233698B (en) * | 1960-12-02 | 1967-02-02 | Hans Deckel Dr Ing | Machine tool |
DE1258671B (en) * | 1962-03-28 | 1968-01-11 | Philips Nv | Guide device |
DE1294846B (en) * | 1960-04-18 | 1969-05-08 | Earl A Thompson Mfg Company | Storage for the workpiece and regulating wheel carrier on a centerless grinding machine |
DE1296485B (en) * | 1964-09-03 | 1969-05-29 | Lorenz Maschf | Clamping table for workpieces or tools on a gear shaping machine |
DE2113980A1 (en) * | 1970-04-06 | 1971-10-21 | Ibm | Device for aligning a workpiece |
DE2803106A1 (en) * | 1978-01-25 | 1979-08-02 | Krauss Maffei Ag | Stabilised control for magnetic suspended railway - has laterally spring-damped guidance electromagnets to keep vehicle on line |
DE3029783A1 (en) * | 1979-08-03 | 1981-03-26 | The Charles Stark Draper Laboratory, Inc., Cambridge, Mass. | PASSIVE INTERVENTION SYSTEM |
DE3029300A1 (en) * | 1980-08-01 | 1982-02-18 | Ernst 8000 München Zieglmaier | ADJUSTMENT INTERMEDIATE WASHER AS A BASE FOR AN INSTRUMENT OR A TOOL |
DE3143092A1 (en) * | 1981-10-30 | 1983-05-19 | Anschuetz & Co Gmbh | Body for guiding two elements on the same axis |
DE3729601C1 (en) * | 1987-09-04 | 1988-10-27 | Erowa Ag | Device for clamping a workpiece or tool |
DE4101378A1 (en) * | 1991-01-18 | 1992-07-23 | Erowa Ag | Fine setter for mutual positioning of two appts. parts joined together - uses intermediate adjuster with reception guide surfaces having faces in parallel with reference plane |
WO1992014596A1 (en) * | 1991-02-25 | 1992-09-03 | Alberto Navarra Pruna | Magnetic locking device for slides in injection molds |
EP2082853A3 (en) * | 2008-01-23 | 2009-08-05 | R+W Antriebselemente GmbH | Compliance device for a positioning device |
CN112428002A (en) * | 2020-11-09 | 2021-03-02 | 珠海格力智能装备有限公司 | Method and device for fixing workbench and machine tool equipment |
-
1954
- 1954-07-20 DE DEL19423A patent/DE1008966B/en active Pending
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1123881B (en) * | 1959-12-21 | 1962-02-15 | Toenshoff & Co Maschinenfabrik | Feed limitation for a machine part of a machine tool that can be moved directly using a hand lever |
DE1294846B (en) * | 1960-04-18 | 1969-05-08 | Earl A Thompson Mfg Company | Storage for the workpiece and regulating wheel carrier on a centerless grinding machine |
DE1233698B (en) * | 1960-12-02 | 1967-02-02 | Hans Deckel Dr Ing | Machine tool |
DE1230282B (en) * | 1961-04-18 | 1966-12-08 | Agfa Ag | Device for adjustable mounting of an axis |
DE1258671B (en) * | 1962-03-28 | 1968-01-11 | Philips Nv | Guide device |
DE1296485B (en) * | 1964-09-03 | 1969-05-29 | Lorenz Maschf | Clamping table for workpieces or tools on a gear shaping machine |
DE2113980A1 (en) * | 1970-04-06 | 1971-10-21 | Ibm | Device for aligning a workpiece |
DE2803106A1 (en) * | 1978-01-25 | 1979-08-02 | Krauss Maffei Ag | Stabilised control for magnetic suspended railway - has laterally spring-damped guidance electromagnets to keep vehicle on line |
DE3029783A1 (en) * | 1979-08-03 | 1981-03-26 | The Charles Stark Draper Laboratory, Inc., Cambridge, Mass. | PASSIVE INTERVENTION SYSTEM |
DE3029300A1 (en) * | 1980-08-01 | 1982-02-18 | Ernst 8000 München Zieglmaier | ADJUSTMENT INTERMEDIATE WASHER AS A BASE FOR AN INSTRUMENT OR A TOOL |
DE3143092A1 (en) * | 1981-10-30 | 1983-05-19 | Anschuetz & Co Gmbh | Body for guiding two elements on the same axis |
DE3729601C1 (en) * | 1987-09-04 | 1988-10-27 | Erowa Ag | Device for clamping a workpiece or tool |
EP0308370A1 (en) * | 1987-09-04 | 1989-03-22 | Erowa AG | Clamping device for a work piece or a tool |
US4934680A (en) * | 1987-09-04 | 1990-06-19 | Erowa Ag | Manufacturing jig |
DE4101378A1 (en) * | 1991-01-18 | 1992-07-23 | Erowa Ag | Fine setter for mutual positioning of two appts. parts joined together - uses intermediate adjuster with reception guide surfaces having faces in parallel with reference plane |
WO1992014596A1 (en) * | 1991-02-25 | 1992-09-03 | Alberto Navarra Pruna | Magnetic locking device for slides in injection molds |
EP2082853A3 (en) * | 2008-01-23 | 2009-08-05 | R+W Antriebselemente GmbH | Compliance device for a positioning device |
CN112428002A (en) * | 2020-11-09 | 2021-03-02 | 珠海格力智能装备有限公司 | Method and device for fixing workbench and machine tool equipment |
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