DE10251387B4 - Electric pressing device - Google Patents
Electric pressing device Download PDFInfo
- Publication number
- DE10251387B4 DE10251387B4 DE2002151387 DE10251387A DE10251387B4 DE 10251387 B4 DE10251387 B4 DE 10251387B4 DE 2002151387 DE2002151387 DE 2002151387 DE 10251387 A DE10251387 A DE 10251387A DE 10251387 B4 DE10251387 B4 DE 10251387B4
- Authority
- DE
- Germany
- Prior art keywords
- pressing device
- housing
- angular contact
- contact ball
- pressing
- 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
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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0094—Press load monitoring means
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
- F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
- F16C19/543—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact in O-arrangement
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
-
- 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
- F16C2229/00—Setting preload
-
- 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
- F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/30—Application independent of particular apparatuses related to direction with respect to gravity
- F16C2300/32—Horizontal, e.g. bearings for supporting a horizontal shaft
Abstract
Elektrische Preßvorrichtung mit einem Elektromotor (2), einem Übersetzungsgetriebe (8), einem als Gewinderollenschraubtrieb ausgebildeten Spindelantrieb (66), dessen Gewindespindel (14) mit dem Übersetzungsgetriebe (8) verbunden ist und dessen Gewindemutter (16) drehfest und axial verschieblich in einem zylindrischen Gehäuse (22) geführt und mit einem Preßwerkzeug verbunden ist, zur Umwandlung einer Drehbewegung des Elektromotors (2) in eine lineare Bewegung des Preßwerkzeugs, einem Wegsensor (30) zur Ermittlung des zurückgelegten Weges des Preßwerkzeugs und einem Sensor (10) zur Ermittlung der Preßkraft des Preßwerkzeugs, dadurch gekennzeichnet, daß die Gewindespindel (14) mittels eines vorgespannten Schrägkugellagersatzes (12), dessen erstes) Schrägkugellager (46) zur Aufnahme von Zugkräften und dessen zweites) Schrägkugellager (48) zur Aufnahme von Druckkräften geeignet ist(sind), in dem Gehäuse (22) gelagert ist, wobei die Innenringe der Schrägkugellager mit einer Wellenmutter (52) aneinanderliegend gegen eine Wellenschulter (54) der Gewindespindel (14) gespannt sind und die Außenringe der Schrägkugellager (46, 48) mit einer Gehäusemutter (56) aneinanderliegend gegen einen Gehäuseabsatz (58) gespannt sind,...electrical pressing device with an electric motor (2), a transmission gear (8), a designed as a threaded roller screw drive spindle drive (66), the threaded spindle (14) connected to the transmission gear (8) is and its threaded nut (16) rotatably and axially displaceable in a cylindrical housing (22) led and with a pressing tool is connected, for converting a rotational movement of the electric motor (2) in a linear movement of the pressing tool, a displacement sensor (30) to determine the distance traveled Path of the pressing tool and a sensor (10) for detecting the pressing force of the pressing tool, characterized characterized in that Threaded spindle (14) by means of a preloaded angular contact ball bearing set (12), its first) angular contact ball bearings (46) to absorb tensile forces and its second) angular contact ball bearing (48) for absorbing compressive forces is suitable (are) in the housing (22) is mounted, wherein the inner rings of the angular contact ball bearings with a shaft nut (52) abutting against a shaft shoulder (54) of the threaded spindle (14) are tensioned and the outer rings the angular contact ball bearing (46, 48) with a housing nut (56) contiguous against a housing shoulder (58) are stretched, ...
Description
Die Erfindung bezieht sich auf eine elektrische Preßvorrichtung mit einem Elektromotor, einem Übersetzungsgetriebe, einem als Gewinderollenschraubtrieb ausgebildeten Spindelantrieb, dessen Gewindespindel mit dem Übersetzungsgetriebe verbunden ist und dessen Gewindemutter drehfest und axial verschieblich in einem zylindrischen Gehäuse geführt und mit einem Preßwerkzeug verbunden ist, zur Umwandlung einer Drehbewegung des Elektromotors in eine lineare Bewegung des Preßwerkzeugs, einem Wegsensor zur Ermittlung des zurückgelegten Weges des Preßwerkzeugs und einem Sensor zur Ermittlung der Preßkraft des Preßwerkzeugs.The The invention relates to an electric pressing device with an electric motor, a transmission gear, a spindle drive designed as a threaded roller screw drive, its threaded spindle with the transmission gear is connected and the threaded nut rotatably and axially displaceable guided in a cylindrical housing and with a pressing tool is connected, for converting a rotational movement of the electric motor in a linear movement of the pressing tool, a displacement sensor to determine the distance traveled Path of the pressing tool and a sensor for detecting the pressing force of the pressing tool.
Eine
derartige Preßvorrichtung
ist aus der
Aus
der
Aus
Weck, Manfred: Werkzeugmaschinen, Band 2, Konstruktion und Berechnung,
Düsseldorf, VDI-Verlag,
zweite Auflage 1981, Seite 229, sowie aus
Die Erfindung hat sich zur Aufgabe gestellt, eine elektrische Preßvorrichtung der eingangs genannten Gattung dahingehend weiterzuentwickeln, daß ein möglichst geringer Durchmesser des zylindrischen Gehäuses ermöglicht wird und die bezüglich des Gehäuses drehfeste und axial verschiebliche Führung der Gewindemutter des Spindelantriebs konstruktiv einfacher gestaltet ist.The Invention has for its object to provide an electrical pressing device to further develop the type mentioned in that a possible small diameter of the cylindrical housing is made possible and with respect to the housing non-rotatable and axially displaceable guidance of the nut of the Spindle drive is structurally simpler design.
Diese Aufgabe wird durch eine elektrische Preßvorrichtung nach Anspruch 1 gelöst.These The object is achieved by an electric pressing device according to claim 1 solved.
Es kann vorgesehen sein, daß der Schrägkugellagersatz zwei erste und zwei zweite Schrägkugellager aufweist.It can be provided that the Angular contact ball bearing set two first and two second angular contact ball bearings having.
Zweckmäßierweise ist vorgesehen, daß das Übersetzungsgetriebe als mehrstufiges Getriebe ausgebildet ist, wobei das Übersetzungsgetriebe ein Übersetzungsverhältnis von z.B. i=5 aufweisen kann.Zweckmäßierweise is provided that the transmission gear is designed as a multi-stage transmission, wherein the transmission gear a gear ratio of e.g. i = 5 may have.
Bevorzugt ist vorgesehen, daß der Elektromotor elektrisch gesteuert ist und einen Winkelkodierer auf der Motorwelle aufweist, wobei eine Einrichtung vorhanden ist, um den zurückgelegten Weg des Preßwerkzeugs anhand der Winkelsignale des Winkelkodierers, des Übersetzungsverhältnisses des Übersetzungsgetriebes und der Gewindesteigung des Spindelantriebs zu ermitteln.Prefers is provided that the Electric motor is electrically controlled and an angle encoder the motor shaft, wherein means is provided to the traveled Way of the press tool based on the angle signals of the angle encoder, the transmission ratio of the gearbox and to determine the thread pitch of the spindle drive.
Zweckmäßigerweise ist vorgesehen, daß zwischen einer Ausgangswelle des Übersetzungsgetriebes und der Gewindespindel ein Drehmomentsensor angeordnet ist. Der Drehmomentsensor kann einen Sender zur berührungslosen Meßwertübertragung aufweisen. Bevorzugt ist der Drehmomentsensor leicht zugänglich und zur Anpassung an unterschiedliche Preßkräfte austauschbar. Dadurch ist es möglich, auch bei unterschiedlichen Preßkräften unterschiedliche Meßbereiche von Drehmomentsensoren weitgehend auszunutzen, so daß die Meßgenauigkeit steigt.Conveniently, is provided that between an output shaft of the transmission gear and the threaded spindle a torque sensor is arranged. Of the Torque sensor can be a transmitter for non-contact measured value transmission exhibit. Preferably, the torque sensor is easily accessible and exchangeable for adaptation to different pressing forces. This is it is possible even with different pressing forces different ranges of torque sensors largely exploit, so that the accuracy increases.
Zweckmäßigerweise ist eine verschließbare Gehäuseöffnung zum Zugang zu dem Drehmomentsensor vorgesehen.Conveniently, is a closable housing opening to Access to the torque sensor provided.
Die Erfindung sieht weiter vor, daß auf der Motorwelle eine in stromlosem Zustand fassende und unter Strom gelöste Motorbremse angeordnet ist. Dadurch wird gewährleistet, daß auch bei einem nicht selbsttätig blockierenden Getriebe bei Stromausfall eine Bewegung der Preßvorrichtung verhindert wird.The Invention further provides that the motor shaft in a de-energized state and under power dissolved Engine brake is arranged. This ensures that even at one not automatically blocking gear in case of power failure prevents movement of the pressing device becomes.
Zweckmäßigerweise ist vorgesehen, daß zwischen Gewindemutter und Gehäuse ein gefederter Anschlag zum Ermitteln der Nullstellung der Wegmessung vorgesehen ist.Conveniently, is provided that between Threaded nut and housing a sprung stop for determining the zero position of the distance measurement is provided.
Der Anschlag kann als gefederter Ring auf der Gewindemutter ausgebildet sein.Of the Stop can be formed as a spring-loaded ring on the threaded nut be.
Bevorzugt weist die Gewindespindel ein mehrgängiges, insb. fünfgängiges Gewinde auf.Prefers The threaded spindle has a multi-start, in particular five-speed thread on.
Die Aufnahmehülse kann einen zylindrischen Aufnahmeteil relativ großen Durchmessers und eine damit verschraubte, den Preßstempel bildende Hülse kleineren Durchmessers aufweisen.The receiving sleeve may be a cylindrical receiving part of relatively large diameter and screwed therewith, the ram bil dende sleeve have smaller diameter.
Bevorzugt weist das gehäuse eine äußere zylindrische Spannfläche zum Fixieren der Preßvorrichtung an einer frei Wählbaren axialen Spannposition auf.Prefers has the housing an outer cylindrical clamping surface for fixing the pressing device at a freely selectable axial clamping position.
Hierfür kann an der Spannfläche ein Doppelkonus-Spannsatz angeordnet sein.For this purpose can the clamping surface be arranged a double cone clamping set.
Weitere Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer bevorzugten Ausführungsform, wobei auf eine Zeichnung Bezug genommen ist, in derFurther Advantages and features of the invention will become apparent from the following Description of a preferred embodiment, wherein a drawing Reference is made in the
Zunächst sei
auf
Auf
der Motorwelle
Die
Motorbremse
Das Übersetzungsgetriebe
Die
Gewindespindel
Der
Schrägkugellagersatz
Je
zwei erste Schrägkugellager
Anschließend an
die Wellenschulter
Die
Gewindespindel
Die
Aufnahmehülse
Der
Spannsatz
Claims (17)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002151387 DE10251387B4 (en) | 2002-11-01 | 2002-11-01 | Electric pressing device |
DE2002218396 DE20218396U1 (en) | 2002-11-01 | 2002-11-27 | Electric press device |
KR1020057007394A KR20050074510A (en) | 2002-11-01 | 2003-10-09 | Electrical pressing device |
CA 2504221 CA2504221A1 (en) | 2002-11-01 | 2003-10-09 | Electrical press device |
JP2004547395A JP2006504533A (en) | 2002-11-01 | 2003-10-09 | Electric pressure device |
PCT/DE2003/003338 WO2004039569A1 (en) | 2002-11-01 | 2003-10-09 | Electrical pressing device |
AU2003277819A AU2003277819A1 (en) | 2002-11-01 | 2003-10-09 | Electrical pressing device |
EP03769232A EP1601522A1 (en) | 2002-11-01 | 2003-10-09 | Electrical pressing device |
BR0315838A BR0315838A (en) | 2002-11-01 | 2003-10-09 | Electric driven pressing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002151387 DE10251387B4 (en) | 2002-11-01 | 2002-11-01 | Electric pressing device |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10251387A1 DE10251387A1 (en) | 2004-06-09 |
DE10251387B4 true DE10251387B4 (en) | 2006-04-27 |
Family
ID=7715017
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002151387 Expired - Fee Related DE10251387B4 (en) | 2002-11-01 | 2002-11-01 | Electric pressing device |
DE2002218396 Expired - Lifetime DE20218396U1 (en) | 2002-11-01 | 2002-11-27 | Electric press device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002218396 Expired - Lifetime DE20218396U1 (en) | 2002-11-01 | 2002-11-27 | Electric press device |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1601522A1 (en) |
JP (1) | JP2006504533A (en) |
KR (1) | KR20050074510A (en) |
AU (1) | AU2003277819A1 (en) |
BR (1) | BR0315838A (en) |
CA (1) | CA2504221A1 (en) |
DE (2) | DE10251387B4 (en) |
WO (1) | WO2004039569A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021119258A1 (en) | 2021-07-26 | 2023-01-26 | Schaeffler Technologies AG & Co. KG | Linear actuator with force sensors |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004054836B4 (en) * | 2004-11-12 | 2009-10-01 | Kosan, Ralf, Dr. | Electric pressing device |
DE102007014714B4 (en) | 2006-04-05 | 2022-11-10 | Sew-Eurodrive Gmbh & Co Kg | spindle motor |
EP2099584B1 (en) * | 2006-07-18 | 2017-10-25 | Kistler Holding AG | Joining unit |
CH701524A1 (en) | 2009-07-22 | 2011-01-31 | Kistler Holding Ag | Electromechanical joining module with load cells. |
JP5699617B2 (en) * | 2011-01-13 | 2015-04-15 | 新東工業株式会社 | Electric cylinder and electric cylinder system |
DE102011101291B4 (en) | 2011-05-10 | 2014-01-23 | Fette Compacting Gmbh | Printing device for a press and rotary press |
US10744511B2 (en) * | 2017-02-24 | 2020-08-18 | Roy Walter Henderson | Apparatus for processing organic products and other materials |
DE102017209686A1 (en) * | 2017-06-08 | 2018-12-13 | Zf Friedrichshafen Ag | Rotary actuator of a roll stabilization for a motor vehicle |
CN108869677B (en) * | 2018-08-15 | 2020-04-21 | 北京中航惠通自动化技术有限公司 | Electric push rod with built-in planetary ball screw |
EP4094864A4 (en) | 2020-01-17 | 2023-11-15 | Dai-ichi Dentsu Ltd. | Press device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19721072A1 (en) * | 1996-05-21 | 1997-11-27 | Janome Sewing Machine Co Ltd | Portable electric press assembly |
DE20108706U1 (en) * | 2001-05-25 | 2001-08-09 | Wilhelm Messtechnik Gmbh | Press with an electric drive device |
DE10011859C2 (en) * | 2000-03-10 | 2002-05-29 | Carsten Winter | Press-in |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3642731A1 (en) * | 1986-12-13 | 1988-06-23 | Karl Bruckner Gmbh Praezisions | Dressing-roller mandrel |
JPH05329690A (en) * | 1992-05-29 | 1993-12-14 | Janome Sewing Mach Co Ltd | Electric press |
JPH11207560A (en) * | 1998-01-29 | 1999-08-03 | Amada Eng Center Co Ltd | Uniaxial drive device |
JP2001179491A (en) * | 1999-12-27 | 2001-07-03 | Amada Co Ltd | Mechanism for preventing deviation of worn part in ball screw driving device |
JP2002192385A (en) * | 2000-12-28 | 2002-07-10 | Unisia Jecs Corp | Electric pushing device |
-
2002
- 2002-11-01 DE DE2002151387 patent/DE10251387B4/en not_active Expired - Fee Related
- 2002-11-27 DE DE2002218396 patent/DE20218396U1/en not_active Expired - Lifetime
-
2003
- 2003-10-09 CA CA 2504221 patent/CA2504221A1/en not_active Abandoned
- 2003-10-09 KR KR1020057007394A patent/KR20050074510A/en not_active Application Discontinuation
- 2003-10-09 JP JP2004547395A patent/JP2006504533A/en not_active Abandoned
- 2003-10-09 WO PCT/DE2003/003338 patent/WO2004039569A1/en not_active Application Discontinuation
- 2003-10-09 EP EP03769232A patent/EP1601522A1/en not_active Withdrawn
- 2003-10-09 BR BR0315838A patent/BR0315838A/en not_active IP Right Cessation
- 2003-10-09 AU AU2003277819A patent/AU2003277819A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19721072A1 (en) * | 1996-05-21 | 1997-11-27 | Janome Sewing Machine Co Ltd | Portable electric press assembly |
DE10011859C2 (en) * | 2000-03-10 | 2002-05-29 | Carsten Winter | Press-in |
DE20108706U1 (en) * | 2001-05-25 | 2001-08-09 | Wilhelm Messtechnik Gmbh | Press with an electric drive device |
Non-Patent Citations (3)
Title |
---|
PAJ: Patent Abstracts of Japan, CD-ROM 1997 & JP 09096312 A * |
PAJ: Patent Abstracts of Japan, CD-ROM 1997, JP 09-0 96 312 A |
WECK, Manfred: Werkzeugmaschinen Band 2, Konstruktion und Berechnung, Düsseldorf: VDI- Verlag, zweite Aufl. 1981, S. 228, 229, ISBN 3-18-400483-X * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021119258A1 (en) | 2021-07-26 | 2023-01-26 | Schaeffler Technologies AG & Co. KG | Linear actuator with force sensors |
Also Published As
Publication number | Publication date |
---|---|
JP2006504533A (en) | 2006-02-09 |
KR20050074510A (en) | 2005-07-18 |
BR0315838A (en) | 2005-09-27 |
WO2004039569A1 (en) | 2004-05-13 |
DE10251387A1 (en) | 2004-06-09 |
DE20218396U1 (en) | 2003-02-20 |
EP1601522A1 (en) | 2005-12-07 |
CA2504221A1 (en) | 2004-05-13 |
AU2003277819A1 (en) | 2004-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |