1) dynamic cutting force model
动态切削力模型
1.
To take spiral cutter as an example,one dynamic cutting force model for spiral endmill has been established considering the changes of cutting thickness and width as well as dynamic cutting displacement in the process of cutting as a result of incentives by the dynamic cutting.
以螺旋立铣刀为例,考虑切削厚度及切削宽度的变化以及切削过程中因激励而引起的动态切削位移,建立了动态切削力模型。
2) dynamic cutting model
动态切削模型
3) dynamic milling force model
动态铣削力模型
4) 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。
5) 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。
6) cutting force model
切削力模型
1.
At last,the cutting force model is validated through cutting tests.
建立了球头铣刀切削力模型,并基于刀具弹性变形模型及刀具避让的切屑厚度数学表达式,建立了切屑厚度与刀具变形量、刀具切削参数之间的数学关系,并提出了切削力收敛算法。
2.
The cutting force model for a small-diameter helical ball-end cutter and the geometric model of front cutting surfaces were established on the basis of the Bayoumi′s generalized geometric models for helical cutters.
在Bayoum i的广义螺旋铣刀几何模型基础上,建立了小直径螺旋球头铣刀的刀具前刀面几何模型和切削力模型;通过将特征概念引入数控加工过程,提出了球头刀加工时的“爬坡”与“下坡”等加工特征的切削力模型求解方法;最后通过实验对比验证了刀具切削力模型的有效性。
3.
A reasonable cutting force modeling constitutes the basis for the numerical prediction of surface errors.
针对两种典型的切削力模型,系统地研究了薄壁件周铣加工过程中切削力变化及表面变形误差分布的有限元计算方法,提出了基于三维非规则网格的刀具/工件变形的耦合迭代格式以及恒定网格下材料去除效应的变刚度处理方法等关键技术,仿真过程充分考虑了切屑厚度变化及不同切削参数对预测结果的影响。
补充资料：动态
①（事情）变化发展的情况：科技～ㄧ从这些图片里可以看出我国建设的～。②艺术形象表现出的活动神态：画中人物，～各异，栩栩如生。③运动变化状态的或从运动变化状态考察的：～工作点ㄧ～电流ㄧ～分析。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条