Automatic Thermal Expansion Compensation of the Precise Grinding Machine AMB Spindle
Thermal expansion of the magnetic bearings in the process of precise grinding will lead to the posture drift of the grinding head, which can seriously affect the precision of the grinding. In this paper, the module of the relationship between temperature rise and the spindle posture is established, and the relationship between the controllers five reference inputs and the spindle posture is ascertained. The controllers five reference inputs are corrected according to the sample value of the temperatures in the system, so the inline adjustment of the grinding head posture and the automatic thermal expansion compensation of the system can be realized. Experiment proved that this algorithm could successfully compensate the thermal expansion of the AMB spindle.
AMB spindle high-precision grinding thermal expansion inline compensation
Deguang Li Shuqin Liu Bin Bian
School of electrical engineering, Shandong University, Jinan, Shandong 250061 China
国际会议
合肥
英文
3221-3224
2011-09-23（万方平台首次上网日期，不代表论文的发表时间）