Monitoring system for thermal error of machine tool spindle
A monitoring system, a thermal error technology, applied in measurement/indication equipment, metal processing mechanical parts, metal processing equipment, etc., can solve problems affecting fault detection, can not meet the high precision and real-time measurement requirements of thermal deformation measurement of machine tool spindles, temperature measurement Point wiring difficulties and other problems, to achieve the effect of fast response, wireless transmission and processing, and improved monitoring efficiency
Inactive Publication Date: 2014-05-21
NANTONG UNIVERSITY +1
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Problems solved by technology
At present, the temperature monitoring of machine tool spindles mostly uses wiring to install temperature sensors to obtain temperature signals, which makes it difficult to wire some important temperature measurement points under complex working conditions of machine tools, and also affects fault det
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0024] figure 1 A thermal error monitoring system for a machine tool spindle according to an embodiment of the present invention is schematically shown.
[0025] like figure 1 As shown, it is a vertical machining center spindle thermal error monitoring system, including a temperature sensing tag 100, an RFID reader / writer 200, a laser displacement sensor testing system 300 and a host computer control system 400, the temperature sensing tag 100 and the RFID reader / writer Wireless communication between 200, the RFID reader 200 and the host computer control system 400 are connected through the RS232 serial port, and the laser displacement sensor testing system 300 and the host computer control system 400 are connected through the USB serial port.
[0026] like figure 1 , 3 , 4 and 5, the temperature sensing tag 100 includes a first micro-control unit 101 (MS...
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The invention discloses a monitoring system for a thermal error of a machine tool spindle. The monitoring system for the thermal error of the machine tool spindle comprises temperature sensing tags, an RFID reader, a laser displacement sensor testing system and an upper computer control system, wherein the RFID reader and the laser displacement sensor testing system receive measuring instructions of the upper computer control system, the measuring instructions received by the RFID reader are output to the temperature sensing tags, information of the temperature measured by the temperature sensing tags is output to the RFID reader, and is transmitted to the upper computer control system, a laser displacement sensor control system outputs thermal deformation signals at the moment corresponding to the moment of obtaining of the information of the temperature to the upper computer control system, and the upper computer control system processes information of thermal deformation and the information of the temperature to obtain information of the thermal error. The monitoring system for the thermal error of the machine tool spindle is easy to operate, high in anti-interference capacity and high in response speed, online monitoring is carried out on the thermal error of the machine tool spindle, wireless transmission and processing of the information of the temperature and the information of thermal deformation are achieved, and monitoring efficiency of the thermal error of a machine tool is improved.
Description
technical field [0001] The invention relates to the field of dynamic measurement of the thermal error of the main shaft of a machine tool, in particular to a monitoring system for the thermal error of the main shaft of a machine tool. Background technique [0002] The thermal error of the machine tool spindle is mainly manifested in two aspects of temperature and thermal deformation. The error caused by the temperature rise and thermal deformation of the spindle is an important factor affecting the machining accuracy of the machine tool. At present, the temperature monitoring of machine tool spindles mostly adopts wiring to install temperature sensors to obtain temperature signals, which makes wiring difficult for some important temperature measurement points under complex working conditions of machine tools, and also affects fault detection. On the other hand, the thermal deformation monitoring of the machine tool spindle mostly uses eddy current displacement sensors to col...
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CPCB23Q17/007
Inventor 袁江吕晶邱自学薛伯军居振华邵建新
Owner NANTONG UNIVERSITY
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