本文建立了动态切削力的数学模型。
A new mathematical model of dynamic cutting forces in orthogonal cutting is presented in this paper.
动态切削力的构成不同,工艺系统刚度主轴的最佳方位也不同。
In case the form of dynamic cutting force is varied, the optimal region of the stiffness spindle orientation is always different.
将三维动态切削力施加到机床响应模型上,仿真出实际加工过程中存在于刀具和工件之间的动态位移参量。
The dynamic increments in three-dimensions between the cutting tool and workpiece have been simulated by putting the cutting forces to the machining system response model.
针对规避切削颤振问题,应用相对切削速度概念,提出了速度型动态切削力表达式以及车削或镗削的振动力学模型。
Applying the concept of relative cutting velocity, the expression of velocity type dynamic cutting force and the mechanics model of chatter vibration in turning or boring process were advanced.
本文从动力学角度分析了车削过程中刀具后刀面磨损量对切削力的影响,得出切削力动态成分与刀具后刀面磨损量之间的关系。
According to dynamics, this paper analyses effect of the tool flank wear on cutting force. It gives relationship between the tool flank wear and dynamic cutting force.
结果表明,该模型可以预测动态铣削过程中的切削力和振动位移。
Experimental results show that the model can predict the milling force and displacements simultaneously in the dynamic milling process.
本文根据超声波椭圆振动切削原理,分析了其动态背向切削力的特征,提出了具有正负脉冲的超声波椭圆振动切削动态背向切削力模型。
Based on the principle of ultrasonic elliptical vibration cutting, a dynamic thrust cutting force in ultrasonic elliptical vibration cutting was analyzed, and the force model with posit...
本文根据超声波椭圆振动切削原理,分析了其动态背向切削力的特征,提出了具有正负脉冲的超声波椭圆振动切削动态背向切削力模型。
Based on the principle of ultrasonic elliptical vibration cutting, a dynamic thrust cutting force in ultrasonic elliptical vibration cutting was analyzed, and the force model with posit...
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