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首页> 外文会议>PVP-vol.493; American Society of Mechanical Engineers(ASME) International Mechanical Engineering Congress and Exposition; 20051105-11; Orlando,FL(US) >THERMAL COMPENSATION ALGORITHM FOR MACHINE TOOL
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THERMAL COMPENSATION ALGORITHM FOR MACHINE TOOL

机译：机床的热补偿算法

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摘要

Thermal effects can contributed more than 50% of the overall error in a machine tool and as precision requirements continue to grow the necessity of reducing this error source is essential. Today's CNC allow to perform indirect compensation of these errors based on temperature measured in different points of machine tool structure. The efficiency of thermal compensation may be measured as a ratio between capability of machining process before and after applying thermal compensation. The proposed methodology of thermal compensation algorithm development is based at testing and FEA. The efficiency of proposed approach is illustrated by compensation algorithm, developed for different type of lathe. The application of thermal compensation allowed to increase capability of machining process more the two times. The accumulated experience in thermal compensation development provides ways for further improvement of lathe machining process capabilities.
机译：在机床中，热效应会造成总误差的50％以上，并且随着精度要求的不断提高，减少此误差源的必要性至关重要。如今的CNC可以根据在机床结构不同点测得的温度对这些误差进行间接补偿。热补偿的效率可以作为在施加热补偿之前和之后的机械加工能力之间的比率来测量。拟议的热补偿算法开发方法基于测试和有限元分析。针对不同类型车床开发的补偿算法说明了该方法的效率。热补偿的应用使加工能力提高了两倍以上。在热补偿开发方面积累的经验为进一步提高车床加工能力提供了途径。

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