The paper introduced mathematical model of S type of three-segment speed setting in main shaft hoist system,and designed its simulation model based on Matlab/Simulink and gave out the simulation result.
文章介绍了主井提升系统中三段式S型速度给定的数学模型,基于Matlab/Simulink构建了其仿真模型,给出了仿真结果。
After analyzing the feed rate in numerical-controlled machining,this paper introduces the working principles and advantages of the toolpath optimization model of the software,and presents the actual process of optimizing toolpath in VERICUT.
在分析了数控加工中进给速度问题的基础上,介绍了该软件优化刀具路径模块的工作原理及优点。
According to the characteistics of cold ring rolling and the working theory of cold ring rolling mill,four kinds of feed rate design were offered.
针对环件冷辗扩的特点,结合环件冷辗扩机的工作原理,提出了四种不同的芯辊进给速度设计规范。
Feed rate optimization for the rough machining means that it takes maximum machining efficiency as object function, it takes maximum main power and so on as limitation, feed rate in different stages are automatically adjusted according to optimization parameters designed by customers to keep maximum main power in a constant state, which makes material removal rate maximum.
粗加工进给速度优化是指以最高生产率为目标函数 ,以最大主功率等为约束条件 ,按照用户设定的优化参数自动调整不同加工段的进给速度来保持恒定最大主功率状态 ,从而使单位时间内的材料切除量最大。
Feedrate is one of the most important indexes in the CNC system, and the transition velocity of the linking lines or arcs influence the feedrate heavily.
进给速度一直是数控机床最重要的指标之一,而线段之间的转角速度则严重影响着进给速度,本文就将在分析单线段以及两线段相连的情况下各种运动轨迹来得出最佳转角速度的数学模型,并给出适合于数控系统开发的方法,而且已经在HL-B0408数控机床[1]的设计上加以实现。
The angular interpolation generates the reference commands along the given position curve and orientation curve based on specified angular feedrate.
提出基于旋转进给速度的数控插补原理和方法。
The behaviors of grinding point's instantaneous feedrate, contact status and metal removal rate (grinding load) during cam NC polar grinding process are deeply analyzed.
分析了数控极坐标凸轮磨削过程中磨削点瞬时进给速度,瞬时接触状态和金属去除率(磨削负荷)等的变化规律。
According to the operating principle and actual work condition of D56G90 cold ring rolling mill,two major factors,feed speed and width-radius ratio,that affected the width spread in cold rolling rectangle cross-section ring were selected to design width-spread experiment.
根据D56G90型环件冷辗扩机的工作原理和实际工作情况,选取了影响矩形截面环件冷辗扩宽展的2种主要因素:进给速度和宽径比来设计研究宽展变化的实验方案。
By adjusting the feed speed with the cutting pow er and roughness as constraint.
该系统以切削功率和工件表面粗糙度为约束,通过改变刀具切削进给速度,改善了机床切削特性,提高了加工效率。
They are distributions of machining rate, quantity and density of lubricant, temperature of material, feed speed, reasonable arrangement of program.
采用定量分析法，通过试验表明其因素主要有：料温的高低、润滑液的加入以及浓度的大小；进给速度的大小；加工率的大小分配；程序编排的合理性等，这些因素将直接影响收口质量。
The effect of feeding speed on wear of CBN wheel has been studied by experiments.
通过用陶瓷结合剂CBN砂轮对45淬硬钢工件进行磨削试验,分析了砂轮进给速度对砂轮磨损的影响。
This paper expounds the conditions and features of plastic deformation of the rediairolling ring, anaiyses the instantaneous maximum of the screwdown and derives the calculatingformulas for the rolling time and the feeding speed.
本文论述了径向辗环的塑性变形条件及其特点，分析了瞬时极限压下量，导出了辗压时间、进给速度的计算公式。
Construction of Given Speed Mode on High-speed Train Brake Testing System
高速列车闸片性能测试系统速度给定模型的构建
He set the pace for the other walkers.
他给其他步行的人定下了速度。
Total miles covered or traveled in a given time.
里速度在给定时间内运行或行驶的总英里数
The response rate speed governor to the given power signal directly affects the load regulating process of generatorset.
调速器对功率给定信号响应速度，直接影响著机组负荷的调整过程。
Algorithm for Max constant feed rate in the high speed curved surface machining
复杂曲线、曲面高速加工中的最高恒定进给速度算法研究
For a given radius no one angle is correct for all speeds.
对于给定的曲率半径，没有一个适合所有速度的角度。
and I can set a faster pace for myself than they set for a whole schoolroom."
我给自己规定可以比老师为全班学生规定的速度快。”
a constant speed, value, etc
恒定速度、 恒值等
The road is very narrow, so the traffic police have to set the pace for the drivers.
这条路非常窄，所以交通警察不得不给司机规定出驾驶速度。
Whenever we double the force on a given object, we double the acceleration.
每当作用在某一给定物体上的力增加一倍，加速度也就增加一倍。
(of speed) less than that of sound in a designated medium.
（指速度）在特定的媒介中速度小于声音的速度。
a steady speed, flow, rate, pace, etc
稳定的速度、 流速、 速率、 步子等
The state of the atmosphere at a given time and place, with respect to variables such as temperature, moisture, wind velocity, and barometric pressure.
天气给定时间和地点的大气状况，牵涉到变量如温度、湿度、风速和气压
For many given initial velocity, there is one particular angle of departure for which the horizontal range is a maximum.
对于任一给定的初速度，有一特殊的发射角，以此角度发射，水平射程最大。
The instrument that measures the speed is a speedometer.
用来测定速度的仪器是速度计。
This paper presents a sufficient condition for the asymptotic stability and geometry-velocity stability of the time-varying discrete dynamic system.
对时变离散动态系统给出了判断其渐近稳定和几何速度稳定的充分条件。
The results indicate that the adit is stabile and the value of the given critical antivibration velocity of rock is a little low.
结果表明现爆破下平硐是稳定的,规范中给定的岩体极限抗震速度有些保守。
velocity derived porosity
声速测井确定的孔隙度