DE10214427B4 - Length measuring device and linear guide unit - Google Patents
Length measuring device and linear guide unit Download PDFInfo
- Publication number
- DE10214427B4 DE10214427B4 DE10214427.3A DE10214427A DE10214427B4 DE 10214427 B4 DE10214427 B4 DE 10214427B4 DE 10214427 A DE10214427 A DE 10214427A DE 10214427 B4 DE10214427 B4 DE 10214427B4
- Authority
- DE
- Germany
- Prior art keywords
- guide rail
- measuring device
- length measuring
- scale
- mounting
- 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
Images
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
-
- 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
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/02—Bearings or suspensions for moving parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- 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
-
- 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
- F16C2370/00—Apparatus relating to physics, e.g. instruments
Abstract
Längenmesseinrichtung mit einem Maßstab (21), welcher von einem Abtastkopf (22) abtastbar ist und mit Montagemitteln (30) zur lösbaren Ankopplung des Maßstabs (21) an die Führungsschiene (11) einer aus einer Führungsschiene (11) und einem Wagen (12) bestehenden Linearführung, die als eigenständige Baueinheit (10) an ein Bett oder einen Schlitten einer Maschine anbringbar ist, wobei der Wagen (12) der Linearführung an der Führungsschiene (11) geführt ist und die Führungsschiene (11) seitlich umgreift und sich seitlich an der Führungsschiene (11) abstützt, wobei die Montagemittel (30) armförmig auskragend ausgebildet und in Längsrichtung der Führungsschiene (11) voneinander beabstandet angeordnet sind um den Maßstab (21) seitlich neben der Führungsschiene (11) und seitlich neben der Bewegungsbahn des Wagens (12) verlaufend zu halten.Length measuring device with a scale (21), which is scanned by a scanning head (22) and with mounting means (30) for releasably coupling the scale (21) to the guide rail (11) one of a guide rail (11) and a carriage (12) existing linear guide, which is attachable as a separate unit (10) to a bed or a carriage of a machine, wherein the carriage (12) of the linear guide on the guide rail (11) is guided and the guide rail (11) laterally engages around and laterally on the Guide rail (11) is supported, wherein the mounting means (30) formed cantilevered arm and in the longitudinal direction of the guide rail (11) spaced from each other by the scale (21) laterally next to the guide rail (11) and laterally adjacent to the path of movement of the carriage (12) to keep going.
Description
Die Erfindung betrifft eine Längenmesseinrichtung gemäß dem Anspruch 1 und eine Linearführungseinheit mit dieser Längenmesseinrichtung gemäß dem Anspruch 10.The invention relates to a length measuring device according to claim 1 and a linear guide unit with this length measuring device according to
Bei Bearbeitungs- und Messmaschinen setzt sich vermehrt der Einsatz von vormontierten Führungseinheiten, bestehend aus einer gehärteten und geschliffenen Führungsschiene und einen daran über Rollen- oder Kugelelemente geführten Wagen durch. Dabei ist die Führungseinheit eine eigenständige Baueinheit in der Art, dass die Führungsschiene mit einer Anbaufläche an einem Bett einer Maschine und der Wagen an einem Schlitten dieser Maschine anbringbar ist.In machining and measuring machines, the use of preassembled guide units, consisting of a hardened and ground guide rail and a carriage guided over roller or ball elements, is increasingly prevalent. In this case, the guide unit is an independent unit in the way that the guide rail with a mounting surface on a bed of a machine and the car on a carriage of this machine can be attached.
Zur Messung der Relativlage des Wagens gegenüber der Führungsschiene ist es z. B. aus der
Der Erfindung liegt die Aufgabe zugrunde, eine Längenmesseinrichtung zur Verfügung zu stellen, die besonders einfach austauschbar und platzsparend an eine Führungsschiene einer Linearführungseinheit montiert werden kann. Dabei soll eine parallele Ausrichtung des Maßstabs der Längenmesseinrichtung längs der Führungsschiene einfach erreicht werden.The invention has for its object to provide a length measuring device available, which can be mounted very easily replaceable and space-saving on a guide rail of a linear guide unit. In this case, a parallel alignment of the scale of the length measuring device along the guide rail should be easily achieved.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.
In Anspruch 10 ist eine Linearführungseinheit mit einer derartigen Längenmesseinrichtung angegeben.In
Vorteilhafte Ausführungen sind in den abhängigen Ansprüchen angegeben.Advantageous embodiments are specified in the dependent claims.
Ausführungsdetails und Vorteile der Erfindung sind anhand der Zeichnungen erläutert. Es zeigen:Embodiment details and advantages of the invention are explained with reference to the drawings. Show it:
In den
Zur Messung der Relativlage des Maschinenschlittens
Zur exakten Positionsmessung ist es erforderlich, dass der Maßstab
Das Montageelement
Die Montageelemente
Der Mitnehmer
Bei dieser zweiten, besonders vorteilhaften Möglichkeit des Anbaus des Maßstabs
Bei gekapselten Längenmesseinrichtungen
In
Die lösbare Fixierung eines Montageelementes
Wie in
Gemäß
Gemäß
Aus den dargestellten Beispielen wird der Vorteil der Erfindung offensichtlich. Gegenüber der Vorrichtung gemäß der
Zum Anbau des Abtastkopfes
Der Abtastkopf
Für sehr lange Maßstäbe
Schwere Maschinenschlitten werden oft auch von mehreren Wagen
In nicht dargestellter Weise kann die Längenmesseinrichtung auch eine offene Längenmesseinrichtung sein, bei der der Maßstab
Claims (12)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214427.3A DE10214427B4 (en) | 2002-03-30 | 2002-03-30 | Length measuring device and linear guide unit |
JP2003033938A JP4509483B2 (en) | 2002-03-30 | 2003-02-12 | Linear encoder and linear guide unit |
US10/397,680 US6769195B2 (en) | 2002-03-30 | 2003-03-26 | Linear encoder and linear guide assembly with the linear encoder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214427.3A DE10214427B4 (en) | 2002-03-30 | 2002-03-30 | Length measuring device and linear guide unit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10214427A1 DE10214427A1 (en) | 2003-10-09 |
DE10214427B4 true DE10214427B4 (en) | 2015-03-12 |
Family
ID=27816092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10214427.3A Expired - Fee Related DE10214427B4 (en) | 2002-03-30 | 2002-03-30 | Length measuring device and linear guide unit |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10214427B4 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004027218A1 (en) * | 2004-06-03 | 2005-12-29 | Seeger Gmbh | Measuring instrument for measuring purpose has profile carrier with guide area and at least two guiding rollers arranged parallel to each other whereby the tread profile of rollers is such that their movement is free from backlash |
DE102005021345A1 (en) | 2005-05-04 | 2006-11-09 | Schaeffler Kg | Linear guide unit with length measuring system |
DE102006003980A1 (en) | 2006-01-27 | 2007-08-02 | Schaeffler Kg | Linear guide with length measurement system, used in e.g. metal- or wood-working machinery, contains magnetic components forming scale, inside concentric tubes |
DE102007009461A1 (en) * | 2007-01-25 | 2008-07-31 | Schaeffler Kg | Guide rail of a linear guide |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991016594A1 (en) * | 1990-04-25 | 1991-10-31 | W. Schneeberger Ag Maschinenfabrik Roggwil | Guide device with measurement unit |
DE9317437U1 (en) * | 1993-11-15 | 1994-01-20 | Jung Gmbh K | Machine, in particular machine tool |
DE4438079A1 (en) * | 1994-10-25 | 1996-05-02 | Heidenhain Gmbh Dr Johannes | guide |
-
2002
- 2002-03-30 DE DE10214427.3A patent/DE10214427B4/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991016594A1 (en) * | 1990-04-25 | 1991-10-31 | W. Schneeberger Ag Maschinenfabrik Roggwil | Guide device with measurement unit |
DE9317437U1 (en) * | 1993-11-15 | 1994-01-20 | Jung Gmbh K | Machine, in particular machine tool |
DE4438079A1 (en) * | 1994-10-25 | 1996-05-02 | Heidenhain Gmbh Dr Johannes | guide |
EP0709655B1 (en) * | 1994-10-25 | 2001-12-05 | Dr. Johannes Heidenhain GmbH | Guidance device |
Also Published As
Publication number | Publication date |
---|---|
DE10214427A1 (en) | 2003-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
R018 | Grant decision by examination section/examining division | ||
R020 | Patent grant now final | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |