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AssigneeBlum-Novotest GmbH
InventorNORBERT MOERSCH
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The proposed temperature compensation for a measuring probe to be received in a workpiece-processing machine provides a measuring probe, measuring in contacting or non-contacting manner, for registering measured values in respect of a workpiece and for outputting signals that are representative of the measured values, whereby the measuring probe exhibits a probing device for one-dimensional or multi-dimensional probing of a workpiece, at least one probing sensor for converting such probing operations into the representative signals, at least one temperature sensor which has been received in the measuring probe in order to generate a signal that is representative of the temperature of the measuring probe, and a linking device which links the signals of the probing sensor with the signals of the temperature sensor to yield a temperature-compensated probing signal which is intended to be output to a numerical control system of the workpiece-processing machine.
Temperature-compensated measuring probe (MTS, MTE), to be received in a workpiece-processing machine (WBM) and measuring in contacting or non-contacting manner, for registering measured values in respect of a workpiece (WS) and for outputting signals that are representative of the measured values, whereby the measuring probe (MTS, MTE) exhibits
Temperature-compensated measuring probe (MTS, MTE), wherein one or more strain gauges has/have been fitted to the measuring probe in order to measure a temperature-conditioned lengthening of the measuring probe at a representative place and to transmit this result of measurement to the numerical control system of a workpiece-processing machine for setting off, and/or wherein the measuring probe draws upon the signal (T) of the/each temperature sensor (TS) for the purpose of determining the temperature-conditioned lengthening of the measuring probe, in order to transmit the value of this temperature-conditioned lengthening to the numerical control system of the workpiece-processing machine for setting off.
Temperature-compensated measuring probe (MTS, MTE), wherein a motion-direction detector (BRD) has been provided which has been set up (i) to distinguish at least relative motions between the measuring probe and a workpiece along the central Z axis of the measuring probe from motions in the X,Y bearing plane and (ii) to emit direction signals reproducing this to the linking device (VE), and wherein the linking device (VE) has been set up to output temperature-compensated probing signals (TKAS) in the case of relative motions between the measuring probe and a workpiece along the central Z axis of the measuring probe and to output non-temperature-compensated signals of the probing sensor (ASE) in the case of relative motions between the measuring probe and a workpiece in the X,Y bearing plane of the measuring probe.
Temperature compensation of a measuring probe, wherein the measuring probe communicates, via a data interface, to a numerical control system (NC) of a workpiece-processing machine (WBM) at the start of every measuring motion between the measuring probe and a workpiece, or at temporal intervals, a temperature-correction value or length-correction value which in the case of measurements along the Z axis of the measuring probe or in the case of measurements along a probing direction that differs spatially from the Z axis the numerical control system (NC) sets off against the temperature compensation with the position value ascertained via a displacement-measuring system of the workpiece-processing machine (WBM).
Dependencies are inferred from the claim text.