Thermal error measuring and integrating system for numerical control machine tool

A technology of CNC machine tools and integrated systems, applied in general control systems, control/adjustment systems, program control, etc., can solve problems such as the inability to meet the thermal error measurement of CNC machine tools, and the lack of real-time error modeling functions, so as to facilitate popularization and use , simple and fast adjustment, and the effect of low scientific research level requirements

Inactive Publication Date: 2011-09-07
HEFEI UNIV OF TECH
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Problems solved by technology

The technical solutions recorded in these two patent documents can realize the temperature and displacement measurement of CNC machine tools alone, but they cannot meet the ne

Method used

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  • Thermal error measuring and integrating system for numerical control machine tool
  • Thermal error measuring and integrating system for numerical control machine tool
  • Thermal error measuring and integrating system for numerical control machine tool

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Example Embodiment

[0024] See figure 1 , The thermal error measurement integrated system of the numerical control machine tool in this embodiment is composed of a temperature measurement unit, a thermal displacement measurement unit, an industrial computer, and a display unit;

[0025] The temperature measurement unit is to set a temperature sensor on each temperature sensitive point of the CNC machine tool. The temperature detection signal output by the temperature sensor is amplified by the temperature transmitter signal and the temperature detection data is obtained by the data acquisition card; in the thermal displacement measurement unit, an inductive type is set The displacement sensor is used to measure the thermal displacement deformation of the spindle of the CNC machine tool. The thermal displacement deformation of the spindle is amplified by the signal of the displacement transmitter and the detection data of the thermal displacement deformation is obtained by the data acquisition card;

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Abstract

The invention discloses a thermal error measuring and integrating system for a numerical control machine tool. The thermal error measuring and integrating system is characterized by comprising a temperature measuring unit, a thermal displacement measuring unit, an industrial control machine and a display unit, wherein the industrial control machine is used for carrying out real-time staged modeling by using a thermal error function according to temperature detection data and thermal displacement deformation detection data which are saved in real time, carrying out precision evaluation on the temperature detection data and the thermal displacement deformation detection data and judging the stability and the precision of a model. The thermal error measuring and integrating system has low cost and high precision, is simple and practical and provides a support of an experimental device for thermal error compensation research and application of the numerical control machine tool.

Description

technical field [0001] The invention relates to a thermal error compensation technology of a numerical control machine tool, more specifically a thermal error measurement integrated system of a numerical control machine tool capable of real-time multi-channel data acquisition and processing. Background technique [0002] CNC machine tools are the cornerstone of industrial modernization, high-speed, precision and ultra-precision machining technology has become the most important component and development direction of modern machinery manufacturing. [0003] In my country, all systems for thermal error measurement of CNC machine tools at this stage measure the temperature value and thermal displacement deformation in the machine tool separately, such as the Chinese patent with the application number ZL2009100502897 and the name "displacement measurement system and its measurement method". The specification discloses a displacement measurement system, which includes a microproce...

Claims

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Application Information

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IPC IPC(8): G05B19/404
Inventor 苗恩铭洪占勇颜焱郭裕聪赵德友卞小强
Owner HEFEI UNIV OF TECH
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