Length-measuring device

A length-measuring device includes a scale and a mounting element. The mounting element has a first fastening portion by which the mounting element is stationarily attached to the scale and a second fastening portion configured to be stationarily attached to a support. An arrangement of a plurality of flexible struts is provided between the first fastening portion and the second fastening portion which, through flexure, allows the first fastening portion to move relative to the second fastening portion perpendicularly to the longitudinal direction. The arrangement of struts is configured to compensate for a flexure-induced change in length of the struts in such a way that no movement will result from the flexure-induced change in length between the first fastening portion and the second fastening portion in the longitudinal direction.

Position measuring system and method for assembly

A method for mounting a substrate of a measurement graduation and a scanning head of a position measuring system on a first machine part and a second machine part. The method including fastening a substrate of a measurement graduation and a scanning head on first and second portions, respectively, of a mounting aid. The method including adjusting a location of the first portion relative to the second portion in a first degree of freedom that differs from a measurement direction in which a relative position of the first machine part relative to the second machine part is to be measured. The method including fastening the substrate and the scanning head on the first and second machine parts, respectively, at the mounting position. The method further including removing the mounting aid.

METHOD AND APPARATUS FOR INSTALLING A MEASURING TAPE

A method for installing a measuring tape on a circumferential surface of a holder. The method including wrapping the circumferential surface of the holder with the measuring tape and bracing the measuring tape such that the measuring tape extends spaced apart from the circumference of the holder. When the measuring tape extends spaced from the circumference of the holder due to the bracing, exerting a tensioning force on the measuring tape so that the measuring tape is held with low friction above the circumference, wherein the tensioning force is distributed at least nearly uniformly over the circumference. The method includes undoing the bracing of the measuring tape beginning at a fixation point at which a portion of the measuring tape is affixed to the circumferential surface. The method also includes applying the measuring tape to the circumferential surface of the holder while maintaining the tensioning force. 1. A method for installing a measuring tape on a circumferential surface of a holder , the method comprising:wrapping said circumferential surface of said holder with said measuring tape;bracing said measuring tape such that said measuring tape extends spaced apart from said circumference of said holder;when said measuring tape extends spaced from said circumference of said holder due to said bracing, exerting a tensioning force on said measuring tape so that said measuring tape is held with low friction above said circumference, wherein said tensioning force is distributed at least nearly uniformly over said circumference;undoing said bracing of said measuring tape beginning at a fixation point at which a portion of said measuring tape is affixed to said circumferential surface; andapplying said measuring tape to said circumferential surface of said holder while maintaining said tensioning force.2. The method according to claim 1 , wherein during said tensioning force being distributed nearly uniformly over said circumference claim 1 , said measuring ...

SCANNING UNIT FOR SCANNING A SCALE AND POSITION-MEASURING DEVICE

A scanning unit adapted for scanning a measuring graduation of a scale for purposes of position measurement in a measurement direction includes a housing having a detector configured to generate position-dependent scanning signals. An electrical lead passes out through the housing in the measurement direction. A rotatable member, in which the electrical lead is routed, has a first section extending in the measurement direction and a second section extending in a second direction at an angle relative to the measurement direction. The rotatable member is rotatably mounted on the housing about an axis of rotation extending in the measurement direction.

Position-measuring device

A position-measuring device includes a carrier body and scanning units movable relative thereto. At least three surfaces of the carrier body each carry a first and second measuring graduation, each having a series of graduation lines. Each of the measuring graduations is associated with a scanning unit for scanning the respective measuring graduation at a scanning location such that, for each surface, two scanning units are disposed for scanning the respective measuring graduations. In each case, these two scanning units are disposed in such a way, and the graduation lines of the two measuring graduations are inclined with respect to each other in such a way, that two normal planes extending respectively in the direction of the respective graduation lines through the respective scanning locations of the two scanning units have a common axis of intersection, whereby the three resulting axes of intersection extend through a common point.

Arrangement having a scale attached to a carrier

An arrangement includes a carrier and a scale disposed on the carrier in a spaced-apart relation therewith. The scale has a measuring graduation and is attached to the carrier via areally distributed and spaced-apart adhesive dots. The adhesive dots, which can be circular in shape, each include at least three spacers, which can be spheres, enclosed within an adhesive.

Length-measuring device

A length-measuring device includes a scale and a mounting element. The mounting element has a first fastening portion by which the mounting element is stationarily attached to the scale and a second fastening portion configured to be stationarily attached to a support. An arrangement of a plurality of flexible struts is provided between the first fastening portion and the second fastening portion which, through flexure, allows the first fastening portion to move relative to the second fastening portion perpendicularly to the longitudinal direction. The arrangement of struts is configured to compensate for a flexure-induced change in length of the struts in such a way that no movement will result from the flexure-induced change in length between the first fastening portion and the second fastening portion in the longitudinal direction.

Verfahren zum Befestigen eines Massstabs an einen Träger, dazu ausgebildeter Massstab sowie Träger mit diesem Massstab

Gemäß der Erfindung wird ein Maßstab (13) durch Bonden an einen Träger (53) befestigt. Die Bondverbindungen werden von voneinander beabstandeten erhabenen Oberflächenbereichen (63) des Maßstabs (13) gebildet. Zusätzliche Maßnahmen, wie das Vorsehen von Klebeflächen (73), gewährleisten eine stabile und schwingungsfeste Verbindung.

Method for fixing a scale to a support, thereto adapted scale and support with such a scale

Scale attaching method for use in support, involves providing surfaces with adhesives between scale and support, and forming wringing surfaces in direct proximity to dosing channel, where wringing surfaces are separated from one another

The method involves effecting a bond connection at multiple surface areas of scales (11), where the surface areas are spaced apart from one another. The scales are separated from one another by a channel. The bond connection takes place through direct bonding, low-temperature bonding or anodic bonding. Adhesive surfaces with adhesives are provided between the scale and a support (51). Wringing surfaces are formed in direct proximity to dosing channel and within an adhesive area by the adhesive surfaces, where the wringing surfaces are separated from one another. Independent claims are also included for the following: (1) a support with a scale (2) a scale with an attachment surface for attaching to the support.

Scale attaching method for use in support, involves providing surfaces with adhesives between scale and support, and forming wringing surfaces in direct proximity to dosing channel, where wringing surfaces are separated from one another

The method involves effecting a bond connection at multiple surface areas of scales (11), where the surface areas are spaced apart from one another. The scales are separated from one another by a channel. The bond connection takes place through direct bonding, low-temperature bonding or anodic bonding. Adhesive surfaces with adhesives are provided between the scale and a support (51). Wringing surfaces are formed in direct proximity to dosing channel and within an adhesive area by the adhesive surfaces, where the wringing surfaces are separated from one another. Independent claims are also included for the following: (1) a support with a scale (2) a scale with an attachment surface for attaching to the support.

Procedure for fixing a measurement scale on a support, adapted measurement scale as well as support with this measurement scale

Procedimiento para la fijación de una escala (12 a 15) en un soporte (51 a 55) a través de la realización de una unión adhesiva entre la escala (11 a 15) y el soporte (51 a 55), caracterizado porque la unión adhesiva se realiza en varias zonas superficiales (61 a 65) de la escala (11 a 15), que están separadas unas de las otras por al menos un canal (200). Procedure for fixing a scale (12 to 15) on a support (51 to 55) through the realization of an adhesive bond between the scale (11 to 15) and the support (51 to 55), characterized in that the joint Adhesive is performed on several surface areas (61 to 65) of the scale (11 to 15), which are separated from each other by at least one channel (200).

Position measuring device

Die Erfindung betrifft eine Positionsmesseinrichtung zur Messung der Relativlage zweier Objekte in einer Vorschubrichtung und in weiteren Freiheitsgraden. Hierzu weist der Trägerkörper (1) zumindest drei in Vorschubrichtung verlaufende Oberflächen (O1, O2, O3) auf, von denen jede eine erste Messteilung (T11-T13) und eine zweite Messteilung (T21-T23) trägt. Die erste Messteilung (T11-T13) und die zweite Messteilung (T21-T23) weisen jeweils eine Folge von Teilstrichen auf, wobei die Teilstriche der ersten Messteilung (T11-T13) gegenüber den Teilstrichen der zweiten Messteilung (T21-T23) geneigt sind. Zur Abtastung der Messteilungen (T11-T13, T21-T23) sind mehrere Abtasteinheiten (A11-A13, A21-A23) vorgesehen, die relativ zu den Messteilungen (T11-T13, T21-T26) derart angeordnet sind, dass sich ein gemeinsamer thermisch neutraler Punkt (P) ergibt. The invention relates to a position measuring device for measuring the relative position of two objects in a feed direction and in further degrees of freedom. For this purpose, the carrier body (1) has at least three surfaces (O1, O2, O3) running in the feed direction, each of which has a first measuring graduation (T11-T13) and a second measuring graduation (T21-T23). The first measuring graduation (T11-T13) and the second measuring graduation (T21-T23) each have a sequence of graduation marks, the graduation lines of the first measuring graduation (T11-T13) being inclined with respect to the graduation lines of the second measuring graduation (T21-T23). Several scanning units (A11-A13, A21-A23) are provided for scanning the measuring graduations (T11-T13, T21-T23), which are arranged relative to the measuring graduations (T11-T13, T21-T26) in such a way that a common thermal neutral point (P) results.

Mount for a scale

Halterung für einen Maßstab (2, 2.1) mit – einem Trägerkörper (4, 4.1, 4.2) und – in Messrichtung X auslenkbaren Festkörpergelenken (20, 20.1, 20.2) als Verbindung zwischen einer ersten Längsseite (L1) des Maßstabs (2, 2.1) und dem Trägerkörper (4, 4.1, 4.2), über welche der Maßstab (2, 2.1) in Messrichtung X verschiebbar am Trägerkörper (4, 4.1, 4.2) lagerbar ist, gekennzeichnet durch – weitere in Messrichtung X auslenkbare Festkörpergelenke (20, 20.1, 20.2) als Verbindung zwischen einer zweiten Längsseite (L2) des Maßstabs (2, 2.1) und dem Trägerkörper (4, 4.1, 4.2), über welche der Maßstab (2, 2.1) in Messrichtung X verschiebbar am Trägerkörper (4, 4.1, 4.2) lagerbar ist, wobei die zweite Längssseite (L2) und die erste Längsseite (L1) einander gegenüberliegend angeordnet sind, und weiter dadurch gekennzeichnet, dass – die Festkörpergelenke (20, 20.1, 20.2) jeweils ein Befestigungselement (10, 10.1, 10.2, 10.3, 10.4) aufweisen, wobei zwischen jeweils einem der Befestigungselemente (10, 10.1, 10.2, 10.3, 10.4) und dem Trägerkörper (4, 4.1, 4.2) eines der Festkörpergelenke (20, 20.1, 20.2) angeordnet ist, über welches das Befestigungselement (10, 10.1, 10.2, 10.3, 10.4) in Messrichtung X auslenkbar ist, und dass – das Befestigungselement (10, 10.1, 10.2, 10.3, 10.4) zum kraftschlüssigen Halten des Maßstabs (2, 2.1) ausgebildet ist, indem es eine Auflage (11, 11.1) für den Maßstab (2, 2.1) sowie ein Gegenelement (12, 12.1, 15) zum Andrücken des Maßstabs (2, 2.1) an diese Auflage (11, 11.1) aufweist.

Length measuring device

Dispositivo de medición de longitud con una escala (1, 1.1) que se extiende en una dirección longitudinal (X) y que presenta una graduación de medición (11) para la medición de la posición en la dirección longitudinal (X); al menos un elemento de montaje (2, 2.1, 2.2), con el que la escala (1) se puede fijar de forma rígida en un soporte (5) en la dirección longitudinal (X), en donde el elemento de montaje (2) presenta una primera sección de fijación (21, 21.1, 21.2), con la que está dispuesto de forma estacionaria en la escala (1, 1.1), y una segunda sección de fijación (22, 22.1, 22.2) que está configurada para fijarse de forma estacionaria con el soporte (5), en donde entre la primera sección de fijación (21, 21.2, 21.2) y la segunda sección de fijación (22, 22.1, 22.2) está previsto un medio que permite un movimiento de la primera sección de fijación (21, 21.1, 21.2) respecto a la segunda sección de fijación (22, 22.1, 22.2) perpendicularmente a la dirección longitudinal (X), caracterizado por que el medio es una disposición de varios travesaños flexibles (23, 24, 23.1, 23.2, 24.1, 24.2), que mediante flexión permite un movimiento de la primera sección de fijación (21, 21.1, 21.2) respecto a la segunda sección de fijación (22, 22.1, 22.2) perpendicularmente a la dirección longitudinal (X), en donde la disposición de los travesaños (23, 24, 23.1, 23.2, 24.1, 24.2) está configurada para compensar la modificación de longitud de los travesaños (23, 24, 23.1, 23.2, 24.1, 24.2) provocada por la flexión, de manera que de ello no resulta ningún movimiento entre la primera sección de fijación (21, 21.1, 21.2) y la segunda sección de fijación (22, 22.1, 22.2) en la dirección longitudinal (X), en donde los varios travesaños (23, 24, 23.1, 23.2, 24.1, 24.2) están orientados en paralelo respecto a la dirección longitudinal (X), y partiendo de la primera sección de fijación (21), los travesaños (23, 24) discurren en direcciones opuestas respecto a un puente rígido (25), que ...

Length measuring device

Position measuring system and assembly method

The system has a measurement partition with a carrier (11) mounted at a machine part, and a scanning head (2) for scanning the measurement partition mounted at another machine part. Adjustment devices (4, 5) are formed between portions (31, 33) of assembly aids (3) such that a mounting position between the carrier of the measurement partition and the scanning head is adjusted in one degree of freedom (Y), which deviates from a measuring direction. One of the adjustment devices is formed such that a linear adjustable movement is enabled. An independent claim is also included for a method for assembling a carrier of a measurement partition and a scanning head of a position measuring system to two machine parts.

Optical receiving unit

Die vorliegende Erfindung betrifft eine optische Empfangseinheit für ein Positionsmesssystem zur Bestimmung räumlicher Positionsinformationen. Die Empfangseinheit weist eine Messzelle auf, die eine Bodenplatte, eine transparente Deckplatte mit einem Abtastgitter, ein oder mehrere Abstandshalter zwischen der Bodenplatte und der Deckplatte sowie einen optoelektronischen Detektor umfasst, dessen lichtempfindliche Fläche in Richtung der Deckplatte orientiert ist. Der Detektor ist über ein selbstzentrierendes Ausgleichselement auf der Bodenplatte der Messzelle angeordnet The present invention relates to an optical receiving unit for a position measuring system for determining spatial position information. The receiving unit has a measuring cell that includes a base plate, a transparent cover plate with a scanning grating, one or more spacers between the base plate and the cover plate, and an optoelectronic detector whose light-sensitive surface is oriented in the direction of the cover plate. The detector is arranged on the base plate of the measuring cell via a self-centering compensating element

Scanning unit for scanning a scale and position-measuring device

A scanning unit adapted for scanning a measuring graduation of a scale for purposes of position measurement in a measurement direction includes a housing having a detector configured to generate position-dependent scanning signals. An electrical lead passes out through the housing in the measurement direction. A rotatable member, in which the electrical lead is routed, has a first section extending in the measurement direction and a second section extending in a second direction at an angle relative to the measurement direction. The rotatable member is rotatably mounted on the housing about an axis of rotation extending in the measurement direction.

Scanning system of a position measuring device

Bei einem Abtastsystem (1) einer Positionsmesseinrichtung zur lichtelektrischen Abtastung einer Messteilung (21) ist die Abtastteilung (51) von weiteren zur Abtastung benötigten optischen und/oder elektrischen Bauelementen (71, 72, 73) entkoppelt. Hierzu dient eine Halterung (8) mit einer räumlichen Anordnung von Festkörpergelenken (81 bis 86), die eine statisch bestimmte Positionierung gewährleisten, aber thermisch bedingte Längenausdehnungen ausgleichen. In a scanning system (1) of a position measuring device for photoelectric scanning of a measuring graduation (21), the scanning graduation (51) is decoupled from other optical and / or electrical components (71, 72, 73) required for scanning. For this purpose, a holder (8) with a spatial arrangement of solid joints (81 to 86) ensures a statically determined positioning, but compensates for thermal expansion.

Abtastsystem einer positionsmesseinrichtung

Optische empfangseinheit

Verfahren und Vorrichtung zur Maßbandmontage

Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung zur Montage eines Maßbandes (1) an einer Umfangsfläche (11) eines Trägers (10). Dabei wird das Maßband (1) in einen Zustand gebracht, in dem es von der Umfangsfläche (11) beabstandet angeordnet ist und somit die Haftreibung zwischen der Umfangsfläche (11) und dem Maßband (1) aufgehoben ist. In diesem Zustand wird auf das Maßband (1) eine Spannkraft (F) ausgeübt. Diese Spannkraft (F) verteilt sich aufgrund der reibungsarmen Lagerung des Maßbandes (1) gleichmäßig über den Umschlingungsbereich des Maßbandes (1). In diesem ausgeglichenen Zustand wird die Unterstützung aufgehoben, so dass sich das Maßband (1) an die Umfangsfläche (11) des Trägers (10) anlegt.

Abtastsystem einer positionsmesseinrichtung

Verfahren und Vorrichtung zur Maßbandmontage

担持体に固定されたスケールを有する装置

【課題】本発明の課題は、担持体に固定されたスケールを有する装置を提供することであり、その際、このスケールが、この担持体において、可能な限りドリフト無しに保持され、従って、このスケールによって、高い精度を有する位置測定が可能とされる。【解決手段】本発明に従い、スケール１は、粘着点４の配設を介して、担持体２に保持されている。それぞれの粘着点４は、粘着剤４２から成り、この粘着剤内において、球形の間隔保持体４１が混入されている。間隔保持体４１が、一方の側で、直接的に担持体２に載置しており、且つ、他方の側で、スケール１が、直接的に、これら間隔保持体４１の上に載置しているというやり方で、担持体２の上でのスケール１の平坦な載置部は保証されている。担持体２におけるスケール１の安定的な保持は、粘着剤４２によって保証されている。【選択図】図１

Unidad receptora óptica

La presente invención se refiere a una unidad receptora óptica para un sistema de medición de posición para determinar información de posición espacial. La unidad receptora tiene una celda de medición que comprende una placa base, una placa de cubierta transparente con una rejilla de exploración, uno o más espaciadores entre la placa de base y la placa de cubierta y un detector optoelectrónico cuya superficie fotosensible está orientada en la dirección de la placa de cubierta. El detector está dispuesto sobre la placa base de la célula de medición mediante un elemento de compensación autocentrante. (Traducción automática con Google Translate, sin valor legal)

Procedimiento y dispositivo para el montaje de una cinta métrica

Procedimiento para el montaje de una cinta métrica (1, 1.1, 1.2) sobre una superficie perimetral (12, 12.1, 12.2) de un soporte (10, 10.1, 10.2) con los siguientes pasos del procedimiento: - Rodeo de la superficie perimetral (11, 11.1, 11.2) del soporte (10, 10.1, 10.2) con la cinta métrica (1, 1.1, 1.2) y apoyo de la cinta métrica (1, 1.1, 1.2) de manera que transcurre separada de la superficie perimetral (11, 11.1, 11.2) del soporte (10, 10.1, 10.2) y ejercicio de una fuerza tensora (F) sobre la cinta métrica (1, 1.1, 1.2) en este estado con poco rozamiento mantenido sobre el perímetro de la superficie perimetral (11, 11.1, 11.2) de la cinta métrica (1, 1.1, 1.2), por lo que la fuerza tensora (F) se distribuye al menos casi uniformemente sobre el perímetro y la cinta métrica (1, 1.1, 1.2), durante la distribución de la fuerza tensora (F) sobre el perímetro por medio de apoyos (30, 30.1, 30.2) dispuestos en la dirección perimetral separados entre sí, se mantiene separada de la superficie perimetral (11, 11.1, 11.2) del soporte (10, 10.1, 10.2); - Elevación del apoyo de la cinta métrica (1, 1.1, 1.2) a partir de un punto fijo (P) y aplicación de la cinta métrica (1, 1.1, 1.2) sobre la superficie perimetral (11, 11.1, 11.2) del soporte (10, 10.1, 10.2) por el mantenimiento de la fuerza tensora (F).

Method and apparatus for installing a measuring tape

A method for installing a measuring tape on a circumferential surface of a holder. The method including wrapping the circumferential surface of the holder with the measuring tape and bracing the measuring tape such that the measuring tape extends spaced apart from the circumference of the holder. When the measuring tape extends spaced from the circumference of the holder due to the bracing, exerting a tensioning force on the measuring tape so that the measuring tape is held with low friction above the circumference, wherein the tensioning force is distributed at least nearly uniformly over the circumference. The method includes undoing the bracing of the measuring tape beginning at a fixation point at which a portion of the measuring tape is affixed to the circumferential surface. The method also includes applying the measuring tape to the circumferential surface of the holder while maintaining the tensioning force.