Model of Mechanical Damper Milling Cutter in High Speed Milling and Theoretical Analysis of Vibration Reduction 高速铣削用机械阻尼器铣刀模型的建立及其减振规律的分析
A mechanical damper; absorbs energy of sudden impulses. 一种机械阻尼器;能够吸收突然刺激的能量。
Mechanical volume control damper shall be available at each exhaust point to enable easy balancing. 每个排气点上由机械控制阀门来保持气压平衡。
The main properties of magnetorheological fluid ( MRF) and several mechanical models for magnetorheological fluid damper ( MRFD) are introduced in this paper. 本文简单介绍了磁流变液的材料特性以及磁流变阻尼器的几种力学模型。
Based on mechanical analysis on rheological characteristics of MR damper, a novel MR damper with helix slotted plunger is developed. 该文基于对MR阻尼器流变特性的力学分析,研制了一种活塞表面刻有螺旋凹槽的新型MR阻尼器。
Mechanical damper cylindrical milling cutter modeling and theoretical analysis of vibration reduction 机械阻尼器圆柱铣刀模型的建立及减振理论的分析
A mechanical damper; the vibrating part is attached to a piston that moves in a liquid-filled chamber. 一种机械阻尼器;震动部分连接着在液体小室中运动的活塞。
Mechanical characteristic of MR damper is expressed as modified Bingham model to simulate its force-velocity relationship. 采用修正的Bingham模型来描述磁流变阻尼器的力学性能。
Analysis and experimental study on the frequency characters of the absorbed mechanical damping vibration by a damping dynamic damper 阻尼吸振器吸收机械阻尼振动的频率特性分析与试验研究
Following the mechanical model of MR smart damper and taking the Hefei Jade TV tower as the engineering background, this paper studied the control effects under external wind loads. 依据MR智能阻尼器的力学模型,以合肥翡翠电视塔为工程背景,研究MR智能阻尼器对电视塔结构风振反应的控制效果。
The traditional damped torsion-supplying device is composed of both a mechanical friction damper and an electromagnetic clutch, manually adjusting a multi-screw thread to get different damped torsion at different speed. 传统的供片阻尼装置是一电磁离合器加摩擦阻尼器的复合机构,手工调节多头螺纹来实现不同拍摄频率下的阻尼。
In this paper, based on the configuration and mechanical characteristics of piezoelectric actuator and T shape friction damper, a piezoelectric-T shape variable friction damper is presented and its damping model is established corresponding to actively adjusting input voltage or adjusting input voltage in displacement-dependent and velocity-dependent modes. 本文结合压电驱动器和T型摩擦阻尼器的特点,提出了压电-T型变摩擦阻尼器,并建立了阻尼器输入电压主动调节或按位移和速度相关调节的阻尼力模型。
Based on Bingham plastic theory, a mechanical model for the ER fluid damper considering its viscous damping effect and friction damping effect was proposed. The model has a clear physical meaning with concise expression, and only three parameters need to be determined by experimental data. 基于Bingham塑性理论,提出了一种考虑电流变阻尼器的粘性阻尼和库仑阻尼效应的力学模型,该模型具有结构简单,模型参数少的特点。
It is more reliable comparing with mechanical adjustable damper for it takes out the mechanical valve. 与机械式可调阻尼器相比减少了阀门部分的的机械装置,系统更趋可靠。
Research on a new mechanical model for MR damper based on neuron sigmoid transfer function 基于神经元S型传递函数的磁流变阻尼器力学模型研究
Based on the analysis the vibration frequency characters of the two freedom degrees and double damping spring vibrator system, the performances that mechanical damping vibration was absorbed by a damping dynamic damper have been approached, and analysed to choose on the parameters of damper. 从两自由度双阻尼弹簧振子振动系统的振动频率特性分析入手,探讨了用阻尼吸振器吸收机械阻尼振动的性能,并对阻尼吸振器参数的选择作了分析。
The blanking oscillation of the mechanical press and the dynamic response of the hydraulic damper 机械压力机的冲裁振动与油液减振器的动态响应
Study on mechanical behavior and effectiveness of a new type of mild steel damper 一种新型软钢阻尼器力学性能和减震效果的研究
This paper focuses on analyzing and investigating the mechanical behavior of ERF semi active damper. Theoretical model is developed to describe the relationship between electric field and the resistance of ERF flowing through concentric annulus electrodes. 分析和研究了电流变液(ERF)在环型极板间流动的力学特性,建立了ERF的阻尼力与控制电场之间关系的理论模型。
However as the mechanical damper is widely employed in structure engineering, the structural damping no longer satisfies the decoupling condition corresponding to the structural modes without damping, and the modes usually are in terms of complex variables. 但是随着机械阻尼器在结构工程中的广泛应用,结构的阻尼矩阵不再满足可以按照相应无阻尼结构振型解耦的条件,此时的振型是由实部和虚部组成的复数形式。
Using Ti-Ni shape memory alloy ( SMA) as the energy dissipation rings, a new type of damper is designed. The preparation and heat treatments of Ti-Ni SMA ring's are introduced, and the mechanical properties of the damper are tested. 应用Ti-Ni形状记忆合金环作耗能元件设计了一种新型的阻尼器,介绍了Ti-Ni合金环的制备及热处理工艺,并测试了其力学性能。
The results also provide designing advice of U-shape damper. ( 3) A test model of U-shape damper component is processed. And the Mechanical tests and simulation analysis of this size of damper also have been done. 参数分析结果为U型阻尼器的研制提供了设计依据。(3)研制一种U型阻尼器元件,并对该阻尼器元件进行力学性能试验及数值模拟研究。
The mechanical parameters of the damper include the damping coefficient and velocity exponent. If the velocity exponent is other than unity, the damper will demonstrate nonlinear behavior. 阻尼器的力学参数包括阻尼系数和速度指数,若速度指数不为1,阻尼器将呈现出非线性特性。
It is found that different dampers own different mechanical behaviour. The force velocity relation of different damper may be near to fractional model, linear or bilinear model. 试验发现各类不同的阻尼器的力-速度关系符合不同的简化数学模型,粘性阻尼器较符合分数非线性模型,而油阻尼器(包括MR阻尼器)则符合线性或双线性模型。
The MR damper mechanical formula was derived, the effect of the MR damper important structural parameters to damping force was explored, an effective design strategy was presented. 推导了阻尼器的力学公式,并讨论了阻尼器重要结构参数对阻尼力的影响。
According to working principle and mechanical behaviors of the damper, mechanical formulas for damper component, series dampers and parallel dampers are established. 根据该阻尼器的工作原理以及受力特点,建立阻尼器元件、串联阻尼器以及并联阻尼器的力学计算公式。
Four kinds of new type mild steel damper are putted forward based of the previous studies. First, the finite element calculation parameters are verified through the existing experiment. And then, analyzed the mechanical properties of the new type of mild steel damper. 3. 在前人研究的基础之上提出了四种新型钢板耗能器,通过已有实验验证了有限元计算参数的合理性,然后对新型钢板耗能器的力学性能进行了分析。
At last, through the numerical analysis of the total magnetic circuit of the optimum designed magnetostriction driver, we can get the mechanical properties of the driver. Fur-thermore, a magnetostriction negative stiffness damper by using magnetostriction driver as the kernel component is designed. 最后,对优化设计后的磁致伸缩驱动器的总磁路进行数值分析,得到驱动器的力学性能,并设计了以磁致伸缩驱动器为核心构件的磁致伸缩负刚度阻尼器,介绍了负刚度的实现方法。
Variety laws of several function parameters of this damper in different temperatures, loading frequencies and controlling displacements has been analyzed through mechanical experiments and low cycle fatigue test. It is proved that this damper has good deformation capacity, energy dissipation and anti-fatigue performance. 通过力学试验及低周疲劳试验研究,分析了该阻尼器在不同温度、加载频率和控制位移情况下各种性能参数的变化规律,证明这一新型阻尼器具有良好的变形能力、耗能能力和抗疲劳性能。
The paper gives the theoretical derivation, and analyzed several factors that can affect the mechanical properties of the damper. And then a ideal nonlinearity of viscous damper was realized. 文章给出了其理论推导并对几个影响阻尼器性能的因素进行了分析,得到了理想的非线性效果。