The software compensation of geometric error is realized in 4-coordinate NC machine tool.
在4坐标数控机床上实现了几何误差的软件补偿。
This paper analysis NC machine tool perpendicularity error.
文章分析数控机床垂直度误差。
In the technology of thermal error compensation in NC machine tool, selecting the temperature variables rationally is key for setting the model of compensation.
在数控机床热误差控制补偿技术中，合理选择温度变量，是建立补偿模型的关键所在。
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