1) feedrate control
进给速度控制
1.
Through analyzing the principle of CNC parametric curve path interpolating and the feedrate control,it is pointed that the Taylor series method and "Parameter-Arc-length" curve fitting method are not suitable for CNC real-time interpolation.
通过分析数控加工中参数曲线的实时插补原理和进给速度控制原理,指出了Taylor展开算法和"参数-弧长"分段拟合算法用于参数曲线的实时插补具有理论上的局限性,并对CNC实时插补进给速度控制问题给出了本质描述,提出了基于牛顿迭代法的解决方案,给出了算法流程。
2.
A compound strategy of feedrate control is proposed for sculptured surfaces machining with five-axis CNC in this paper.
针对五轴曲面加工的需要,提出一种复合方案的进给速度控制策略。
2) Feed rate
进给速度
1.
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。
2.
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。
3.
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。
3) feedrate
进给速度
1.
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。
2.
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。
3.
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。
4) feed speed
进给速度
1.
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。
2.
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。
3.
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。
5) feeding speed
进给速度
1.
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。
2.
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。
6) Feed velocity
进给速度
1.
According to the axisymmetric aspheric machining error feature, this paper analyses the parameters which influence the machining accuracy of workpiece, such as grinding linear velocity and feed velocity of grinding wheel in axisymmetric aspheric machining.
本文根据轴对称非球面的加工误差特性 ,通过分析轴对称非球面磨削加工中砂轮磨削线速度、进给速度对加工精度影响的条件 ,提出控制砂轮进给速度使轴对称非球面工件各点磨削量均匀的方法。
2.
On the base of reliable optimization technology,we have analyzed and calculated the optimization condition of the single process of mechanical machining system,established the optimization mathematics model,further selected the optimization method,and at last found the calculation method of the best feed velocity and cut velocity.
在可靠性优化技术基础上 ,对机械制造系统—单工序加工条件的优化进行分析、计算 ,建立了优化数学模型 ,选择了优化方法 ,确定了最优进给速度vj 和切削速度vq 的计算方法。
3.
The experiment system of diamond wire saw was constructed,the original parameters of cutting were set,the relation between feed velocity and area and width of cutting at different section of the pipe was analysed.
搭建了金刚石串珠绳锯水下切割试验系统,设置了初始试验参数,分析了管道不同部位切割时,切割面积和切口宽度与绳锯进给速度的关系。
补充资料：速度控制
分子式：
CAS号：
性质：又称速度控制。同一反应体系中，如果存在着若干个速度不同的竞争反应，伴随着生成几种产物，在反应没有达到化学平衡之前，每种产物的产率由其反应速度控制。哪个反应的活化能低、速度快，哪个反应产物的产率就高。
CAS号：
性质：又称速度控制。同一反应体系中，如果存在着若干个速度不同的竞争反应，伴随着生成几种产物，在反应没有达到化学平衡之前，每种产物的产率由其反应速度控制。哪个反应的活化能低、速度快，哪个反应产物的产率就高。
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