在实际生产过程中，特别是对大型零件粗加工时，选择最优的车削用量可以极大地提高生产效率。
In the process of practical production, especially for machining of large-scale parts, how to choice cutting parameters to improve production efficiency is a difficult problem.
数控车削加工与普通车床加工大致相同，但刀具的选择、切削用量的选择以及工件的装夹等工艺问题也有各自的特点。
CNC Turning Lathe Machining with roughly the same, but the tool of choice, the choice of cutting parameters and workpiece clamping and other technology issues also have their own characteristics.
根据车削时的加工要求和受力情况，建立切削用量优化设计的数学模型，采用惩罚函数法进行优化，得到了切削用量的优化结果。
An optimization mathematical model of cutting elements is founded by technical requirement and forced condition when turning. The optimum of cutting elements is got by using penalty function method.
车削加工机动时间主要取决于切削用量的选择，切削用量的选择直接影响车削加工成本，因而，对车削加工机动时间的研究非常必要。
The machine time for turning depends on the selection cutting parameters that affect the cost of turning, so a study of machine time for turning is necessary.
最后，通过基于此模型的车削加工用量选择软件的实例运行结果表明其可行性及有效性。
Finally, the cutting conditions determination software developed for turning machining based on the above model has been put into application to show its feasibility and effectiveness.
着重说明了车削淬火钢件时，如何通过合理地选用刀具材料、刀具几何参数及切削用量达到理想的切削效果，并提出车削淬火钢件时应注意的若干问题。
The author gave us the reasonable selection of tool materials, tool parameters and cutting parameters during turning of hardened steel in order to get the ideal cutting result.
金刚石制品在机械加工领域的应用量只占10%，主要用于车削加工和磨削加工。
Diamond products in the field of mechanical processing of the application amount only 10%, mainly used for turning and grinding.
较详细地介绍了车削时切削用量合理选择、优化设计对目标函数的确定，约束条件的建立，并以切削速度为例，介绍最优切削速度确定。
The rational selection of cutting quantity in lathe cutting, the determination of objective function in majorizing design and the form of constraint conditions are presented.
较详细地介绍了车削时切削用量合理选择、优化设计对目标函数的确定，约束条件的建立，并以切削速度为例，介绍最优切削速度确定。
The rational selection of cutting quantity in lathe cutting, the determination of objective function in majorizing design and the form of constraint conditions are presented.
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