一种基于能量守恒原理的数控车削能耗模型
发布时间：2019-01-08 11:20
【摘要】：根据机床系统的能量守恒原理,提出了一种数控车床加工过程能耗精确评估方法。参照机床系统的能量流分布,分离各能量分支的功耗,对各分支分别独立建模,最终建立数控车床系统能耗与主轴转速、进给量和材料去除率之间的函数关系。由于各分支系统建模的独立性,使得能耗模型不仅适用于数控车床系统稳定切削阶段,也适用于稳定的待机、空转和空切阶段。实验结果显示,车削过程能耗评估精度超过98%。在该方法的基础上,进一步提出改进型的机床系统单位体积能耗模型。
[Abstract]:According to the principle of energy conservation of machine tool system, an accurate method for evaluating energy consumption in NC lathe machining process is presented. According to the energy flow distribution of the machine tool system, the power consumption of each energy branch is separated, and each branch is modeled independently. Finally, the functional relationship between the energy consumption of the CNC lathe system and the spindle speed, feed rate and material removal rate is established. Because of the independence of each branch system modeling, the energy consumption model is suitable not only for the stable cutting stage of the CNC lathe system, but also for the stable standby, idling and blanking stages. The experimental results show that the accuracy of energy consumption evaluation in turning process is over 98. On the basis of this method, an improved unit volume energy consumption model of machine tool system is proposed.
【作者单位】： 华中科技大学;湖北汽车工业学院;
【基金】：国家自然科学基金资助重点项目(51035001);国家自然科学基金资助项目(51275190) 中央高校基本科研业务费专项资金资助项目(2014TS038)
【分类号】：TG519.1
本文编号：2404533
[Abstract]:According to the principle of energy conservation of machine tool system, an accurate method for evaluating energy consumption in NC lathe machining process is presented. According to the energy flow distribution of the machine tool system, the power consumption of each energy branch is separated, and each branch is modeled independently. Finally, the functional relationship between the energy consumption of the CNC lathe system and the spindle speed, feed rate and material removal rate is established. Because of the independence of each branch system modeling, the energy consumption model is suitable not only for the stable cutting stage of the CNC lathe system, but also for the stable standby, idling and blanking stages. The experimental results show that the accuracy of energy consumption evaluation in turning process is over 98. On the basis of this method, an improved unit volume energy consumption model of machine tool system is proposed.
【作者单位】： 华中科技大学;湖北汽车工业学院;
【基金】：国家自然科学基金资助重点项目(51035001);国家自然科学基金资助项目(51275190) 中央高校基本科研业务费专项资金资助项目(2014TS038)
【分类号】：TG519.1
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