Dr. Johannes Heidenhain Gmbh

Ingo Joachimsthaler

Thomas Geisler

Johannes Soier

Johann Mitterreiter

Rudolf Mittmann

Sebastian Gruber

Alois Bartlechner

Thomas Schuermann

Thomas Mueller

Sebastian Schmidt

Robert Metzke

Christian Rebelein

Sebastian Lenz

Thomas Schürmann

Thomas Müller

In a device and method for determining a contact between a tool and a workpiece, which are displaceable relative to each other, the tool or workpiece being rotationally fixedly connected to a shaft, the device includes a measuring arrangement including a measuring scale rotationally fixedly disposed on the shaft and at least one position encoder disposed in a stationary manner relative to the shaft, and a processing device. The position encoder is adapted to scan the measuring scale and to generate position values indicating a position of the shaft. The position values are fed to the processing device, which determines contact between the tool and the workpiece by evaluating a progression of the position values and signals the result of the evaluation by the status of a displacement signal.

Device and method for determining a contact between a tool and a workpiece

A device for processing rotation-dependent measured values includes a data converter, a sequencing control, and an output interface. Series of measured values, which are a function of the rotation of a shaft and of which at least one is an angle value that indicates the angular position of the shaft, are conveyable to the data converter at constant time intervals of a measuring interval. The data converter is adapted to subdivide a rotation of the shaft into sectors and, using one of the angle values as a reference angle value, to allocate received measured values to a sector, and per rotation of the shaft, to ascertain for each series of measured values precisely one result value for each sector. The result values are able to be output to the output interface.

Device and method for processing rotation-dependent measured values

A position-measuring device includes a measuring transducer configured to carry out a position measurement. The position-measuring device has at least one memory having stored parameter data defining an active configuration under which the position-measuring device is operable. The at least one memory further has data and instructions useable to activate at least one further configuration under which the position-measuring device is operable.

Position-measuring device

A position measuring device includes a scale carrier with a measuring scale. A scanner is configured to generate position signals by scanning the measuring scale. A processor is configured to process the position signals into a digital position value. An interface is configured to communicate with downstream electronics. At least one collision sensor is assigned to the position measuring device, and is configured to generate analog or digital measured values from a time characteristic of which collision events are determinable. The measured values are fed to an evaluator configured to determine the collision events by evaluating the time characteristic of the measured values in a controller.

Position measuring device and method for operating a position measuring device

A position-measuring device includes a graduation carrier having a measuring graduation disposed thereon. At least one position sensor is configured to generate position-dependent measurement signals by scanning the measuring graduation. A processor is configured to process the position-dependent measurement signals into position signals. An interface is configured to transmit the position signals to subsequent electronics via at least one data channel. At least one motion sensor is configured to generate time-varying measurement signals. A signal analyzer is configured to analyze the measurement signals in the frequency domain dependent on parameters that are transmittable from the subsequent electronics to the interface unit, and to produce result data that is transmittable from the interface unit to the subsequent electronics.

Position-measuring device and method for operating a position-measuring device

An angle-measuring device includes a housing and a position sensor configured to generate angle values indicating an angular position of a shaft with respect to a reference position. An interface is configured to communicate with subsequent electronics via a data channel. At least one imbalance sensor is configured to generate an imbalance signal from imbalance-induced excursions of the shaft. An imbalance analyzer is configured to generate imbalance values from the imbalance signal. A signal processor is configured to generate imbalance information from the angle values and the imbalance values. The imbalance information is transmittable through the interface to the subsequent electronics.

Angle-measuring device and method for operating an angle-measuring device

In a monitoring unit for monitoring position signals of incremental position-measuring devices, at least two position signals are applied on the input side that result from the scanning of an incremental graduation track by a scanning unit and that are out-of-phase with each other. The monitoring unit includes a signal logic unit with which at least two position-dependent status data words are able to be generated from different position signals, and an evaluation unit to which the status data words are supplied, in which invalid statuses are ascertainable by comparing the status data words, and an error signal is able to be generated in response to an ascertained invalid status.

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Traunstein, Germany

Ingo Joachimsthaler