利用机床动力学原理对机床的动态特性进行了分析。
Taking nc machine tool as an example, its dynamic characteristics are analyzed on the dynamic principles of machine tool in this paper.
提出了一种具有机床动力学自适应能力与曲线前瞻控制能力的NURBS曲线插补算法。
NURBS interpolation algorithm, which can fit diverse machine tool's kinetic characteristics and has the function of look-ahead control, is proposed.
参数曲线高速数控插补时，进给速度规划需要综合考虑机床动力学特性和曲线几何特征的限制。
Velocity planning for curved path interpolation in high CNC machining should be bounded by both dynamic properties of the machine tool and the geometrical properties of the curved path.
在已有研究的基础上，本文提出了基于NURBS曲线局部性态和全局性态以及机床动力学特性的自适应插补算法。
Based on the analysis of local and global constraint of NURBS curve and dynamical characteristic of machine tools, a self-adaptive interpolation algorithm is developed.
ANSYS软件是一种大型通用的有限元分析软件，可以准确的进行机床的静力、模态、谐响应以及瞬态动力学的有限元分析。
Besides, ANSYS is a large general-purpose software, which can be used to analyze static, dynamic, harmonic response and transient dynamic analysis of the machine tool.
分析结果表明刀具路径几何特性对机床的运动学和动力学特性有很大的影响。
The result shows there are great influences of geometrical properties of cutter path on the kinematics and dynamics of a machine tool.
针对机床产品结构动力学分析与优化设计的需要，进行了某型号精密卧式加工中心数字化性能与优化设计的分析计算。
According to dynamic analysis and optimal design of machine tool structure, digital analysis and optimal design of some model of precision horizontal MC was developed.
本文给出了数控机床进给传动系统的一种多自由度动力学建模方法。
In this paper a kind of multi-freedom dynamic modeling method of numerical control machine tool feeding transmission system is introduced.
研究了考虑结合部特性的机床结构动力学特性的系统建模解析方法。
Analytical methods on dynamics model of machine tool structure with joints were studied.
通过变加速方法降低惯性力，提高了机床的静刚度，改善了机床的动力学性能。
Then the inertia force is reduced by the inconstant acceleration, so that the static rigidity of the machine is raised and the kinetic performance of the machine is improved.
运用拉格朗日法建立了该冗余驱动并联机床的动力学模型，并提出了一种新的冗余驱动力规划方法。
The dynamic equation of this PMT with redundant actuation is built by Lagrange equation. A novel force distribution method is proposed for redundant actuation.
本文针对数控机床运动学和动力学性能研究的特点，结合虚拟样机技术在系统仿真分析上的优势，提出了基于虚拟样机技术的动态性能仿真系统实现方案。
According to the kinematics and dynamic characteristics of machine tools, with the consideration of the advantages of virtual prototype technology on system analysis, a systematic scheme is provided.
但是，由于系统的物理性质，几何性质和铣削工艺的特殊性决定了机床-刀具-工件-夹具系统是一个复杂的非线性动力学系统。
However, the machine tools-cutter-workpiece-fixture is a complicated nonlinear dynamic system. It is determined by the system's physical, geometry and milling process's characteristics.
对东北大学研制的3 -TPT并联机床，分析了其约束链对机床运动及动力学特性的影响，并在ADAMS机械动力学仿真软件上建立了仿真运动模型。
After analyzing kinematics and dynamic character 3-tpt parallel machine tool developed by Northeastern University by its simulation model constructed in ADAMS, kinetic and dynamic curves are obtained.
结构动力学优化设计是提高机床加工精度的有效途径。
Structural dynamics optimal design is an effective approach to improve the machining accuracy of machine tools.
而建立机床结构精确的动力学有限元模型的关键是对机床机构中结合面的动力学描述。
The key to establish a precise dynamic model with Finite Element Method is the simulation of the dynamic characteristics of the joint face in the machine tool.
切削力是切削过程中一个重要参数，是研究“机床——刀具”系统、建立铣削加工仿真模型和动力学分析的基础。
Cutting force is an important parameter in the cutting process. It's the basis of researching 'machine-tool 'system, establishing milling simulation model and the dynamic analysis.
分析结果表明刀具路径几何特性对机床的运动学和动力学特性有很大的影响。
The result shows there are great influences of geometrical properties of cutter path on the kinematics and dynamics of a machine...
通过结构动力学分析得出的结论也同机床激振试验后作出的结论基本一致。
Resonant frequencies given by the theoretical analysis coincide essentially with the experimental results of the excitation tests. The conclusions obtained from the analysis of...
通过结构动力学分析得出的结论也同机床激振试验后作出的结论基本一致。
Resonant frequencies given by the theoretical analysis coincide essentially with the experimental results of the excitation tests. The conclusions obtained from the analysis of...
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