高速电主轴在线温升及轴向热伸长测试系统的设计

摘要：文章针对高速电主轴的热源及热误差问题进行了研究。阐述了基于多通道数据采集卡与虚拟仪器技术的高速电主轴在线温升及轴向热伸长测试系统的整体设计方法，测试系统硬件由多功能数据采集卡和高精度位移、温度传感器组成，并在LABVIEW平台上以图形化方式编写测试系统配套软件，实现了对信号的实时采集、存储与回放，并对数据进行处理和分析。实验结果表明，该测试系统运行稳定、可靠，达到了预期的效果。

Design of the Testing System for the Online Temperature Monitoring and the Axial Thermal Growth of High-Speed Spindle

The thermal source and thermal error of the high-speed electric spindle has been studied.The test system for the online temperature Monitoring and the Axial Thermal Growth of High-Speed electric Spindle has been designed based on the IPC and the virtual instument technology,The testing system hardware composed by the multi-purpose data acquisition card,high accuracy displacement sensor and temperature sensor,used LABVIEW to facilitate the preparation of the operation,powerful test software,and accomplished the real time acquisition,storage and playback of the signal.The expermental results demonstrate the good data acquisition capability of thetesting system.