定心偏差仪就是在井下现场不拆分设备的情况下测量电机轴与减速器高速轴的径向偏差值与倾斜偏差值，确定对设备的调整方法。
Make with the centre device is a kind of device that measure radial and bias amout of deflection to not demolish equipment, define adjusting way for equipment.
用数控镗床定心解决了定心精度问题，用固定配重a和可调整配重块B解决了配重平衡问题。
The centering accuracy problem is solved by centering of numerical control boring machine and the counterweight balance problem is solved by the fixed counterweight a and adjustable counterweight b.
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