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1)  dynamic cutting force coefficients
动态切削力系数
1.
New approach for determination of dynamic cutting force coefficients in three-dimensional cutting;
确定三维切削动态切削力系数的新方法
2)  Dynamic cutting coefficients
动态切削系数
3)  dynamic cutting force
动态切削力
1.
In order to solve the contradiction between simulation speed and simulation precision of sculptured surface CNC machining process simulation and decrease computation time and burden of simulation, this paper presented a kind of LOD model for sculptured surface CNC machining process simulation and the method of dynamic cutting force simulation based on this model.
为了缓解雕刻曲面数控加工过程物理仿真的仿真速度与仿真精度的矛盾,减少仿真的计算量和缩短仿真时间,介绍了雕刻曲面数控加工过程仿真的多层次细节模型和基于该模型的动态切削力的仿真方法。
2.
The history and the present situation are reviewed of research on the mechanism of tool fracture,and the general situation of research on enter and exit failure,dynamic cutting force and.
介绍了刀具破损机理研究的主要领域,包括断续切削过程中的切入切出破损研究、热应力和热裂纹与破损之间关系、刀具几何参数影响以及破损监控预报研究等,回顾了刀具破损机理研究的历史和现状,对切入切出破损、动态切削力及热应力和热裂纹与破损之间关系的研究概况进行了详细论述,最后论述了刀具破损研究的发展趋势。
3.
A model for the system under the action of nonlinear dynamic cutting force is established.
建立了由刀架弹性子系统及工件弹性子系统在非线性动态切削力耦合下的多自由度颤振模型。
4)  dynamic cutting forces
动态切削力
1.
Saw-tooth chip has great effect on the dynamic cutting forces,cutting temperature fluctuation,PCBN tool life and surface integrity during precision hard part machining.
精密硬态切削过程锯齿形切屑对动态切削力、切削温度波动、PCBN刀具寿命和已加工表面质量有重要作用。
2.
A new mathematical model of dynamic cutting forces in orthogonal cutting is presented in this paper.
本文建立了动态切削力的数学模型。
5)  cutting force coefficient
切削力系数
1.
Based on respond surface method,the quadratic polynomial of cutting force coefficient is established.
根据铣削过程和铣刀的几何模型,建立铣削力的瞬时表达式和平均切削力公式,给出基于响应曲面法的切削力系数的二次多项式。
2.
Based on the dynamic milling and orthogonal experiments in end milling die steel 4Cr16Mo,this paper discussed the different influence made by four input cutting parameters(cutting speed,feed rate,radial and axial depth) on the tangential and radial cutting force coefficients and then analyzed how to choose optimal parameters in processing.
在动态铣削力模型基础上,通过正交铣削实验分析了立铣4Cr16Mo模具钢时各加工参数对切向切削力系数Kt和径向切削力系数Kr的影响规律,以及切削参数的优化选择;采用二次多项式模型和偏最小二乘法对其进行回归分析。
6)  Three dimensional dynamic cutting force
三维动态切削力
补充资料:动态黏度系数
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性质:又称动态黏度系数。反映了聚合物流体在交变应力作用下的流动性。聚合物流体在流动中除了产生不可逆形变的黏性流动外,还伴随有可逆的高弹形变。在交变应力作用下,流体的黏性与弹性反应不同,通常用复数黏度(η*)表示:η*=η′-iη〃。式中η′为复数黏度η*的实数部分,称为动态黏度,表示了黏性的贡献;η〃为虚数黏度,反映了弹性的贡献。采用复数黏度可以表征聚合物熔体的黏弹性。动态黏度可用动态流变仪测定。

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