当进给速度不恒定时，会造成许多问题。
When the velocity (feed rate) is not constant, several problems can result.
进给速度对钻削力的影响最为明显。
The effect of the feedrate to drilling force is the most significant.
不同的压力和轴向进给速度可滚压出不同的粗糙度和硬度。
Variation of the pressure and the axial speed results in different roughness and hardening.
存在一个较佳的主轴伺服进给速度使得工件的加工速度较高。
There is an optimal spindle servo feeding speed(SFS) at which the MRR is the highest.
负责二维编程，最佳化加工参数(主轴转速，进给速度等)。
Responsible to optimize manufacturing parameters, for instance, optimize cutting speed, federate, insert and so on.
背吃刀量对温度影响最大，铣刀转速次之，进给速度影响最小。
The effect of milling depth is the biggest, next is milling speed, and the minimal is advancing speed.
只有两个参数可以修改，在实时控制过程：进给速度和主轴转速。
Only two parameters can be modified during the real-time control process: feedrate and spindle speed.
结果表明，轴向进给速度的选取对内高压成形三通管具有重要影响。
The simulation result shows that the selection of axial feed velocity has a strong influence on hydroforming tri-branch tube.
进给速度对轴向力的影响较大，而钻头几何形状对扭矩的影响较大。
The thrust is greatly affected by the feed speed while the torque is obviously affected by drill geometries.
锯切速度曲线是不可变的，但进给速度曲线随进给机构杆长比的不同而变化。
The sawing speed curve is unchangeable, but the feed speed curve can be different with different length ratio of members of the feeding mechanism.
本方法可以实时自动调整进给速度，可用于自适应切削加工过程和柔性制造加工。
The feed speed is automatically adjustable on line and this interpolation method can be applied to the adaptive machining process and the flexible manufacturing.
框锯机锯切工件表面加工质量在很大程度上取决于进给速度和锯切速度的匹配关系。
The quality of the workpiece surface is subject to the matching relation between the feed speed and the sawing speed to some large extent.
从中可知，旋切过程中刀刃进给速度必须按一定规律变化才能保证旋切机正常工作。
The feeding speed must be changed with continuousness and a rule, which can let the lathe work well.
以最大工作进给速度的变化比率为阈值，把零件表面的法曲率半径划分为不同的区域；
Using the changing rate of maximum feed-rate as a threshold, the surface of the part is divided into different areas according to the values of normal curvature radius.
环件冷轧是一种先进的塑性加工工艺，而其中芯辊的进给速度对环件冷轧工艺有重要影响。
Cold ring roll process is an advanced plastic processing technology. The feed velocity of mandrel is one of the important parameters in the process.
摘要在基于有限元数值模拟的基础上提出了反向最小余量法，用以优化芯辊进给速度曲线。
A new method, which named reverse shrinking surplus method, has been pointed out based on the fem in order to optimize the speed curve of the spindle.
为了实现高效率加工，需要对编程进给速度进行必要的修正，并给出了速度修正的计算方法。
The feed speed of programming must be corrected for realizing high-efficiency machining, and the calculation method of speed was given.
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.
文中提出了考虑径向进给速度时飞刀左右侧刃工作后角的计算方法，实际算例验证了其正确性。
The calculating method of the working orthogonal clearance of the flying cutting tool machining worm wheel in radial feeding way is put forward, and a calculating example is given out.
从单颗金刚石最大切削厚度的角度，分析了磨削深度、进给速度和砂轮线速度对磨削力的影响。
The influence of depth of grinding, feed rate and circular linear speed of the grinding wheel on the grinding forces with respect to the maximum chip thickness of a single active diamond was analyzed.
随着芯辊进给速度的增大，轧制力和轧制力矩也相应增大，因此对轧环机力能参数的要求也提高；
The results also predict that the roll force and the roll torque increase with the increase of the feed velocity.
以单因素实验法分别考察了刀具材料、冷却条件、切削深度、进给速度等对刀具磨损的影响规律。
In single factor test, the influencing factor of tools wear was discussed, such as tool material, cooling conditions, cutting depth and feed speed.
结果表明：工件进给速度对表面粗糙度的影响最大，切削深度和刀具前角次之，工件硬度影响最小。
The results show that the effects on surface roughness are feed speed, depth of cutting , tool rake angle and parts hardness in turn.
针对传统数控程序中进给速度固定限制加工效率的缺点，开发了面向粗铣加工的数控程序优化系统。
To improve the efficiency decreased by feed rate in traditional nc program, a nc program optimization system is developed for rough milling process.
其插补精度与最大进给速度、机床系统的脉冲当量、插补周期，以及脉冲发生器的输出脉冲频率有关。
The interpolation precision is correlated with Max feed rate pulse equivalent of CNC cyc of interpolation and output impulse frequency of pulse generator.
计算实例表明，使用这个方法可以缩短插补计算时间，实时性好，插补精度高，进给速度波动范围小。
The simulation calculating shows that, the computing time can be shortened, the real-time operation is good, the interpolation accuracy is higher, and the feed speed is even.
高速高精度机床不仅要有高的主轴转速和进给速度，而且还需要具有高的主轴和进给系统运动加速度。
High speed and high precision machinery should have not only high spindle speed and high feeding speed, but also high spindle and feeding system acceleration.
高速高精度机床不仅要有高的主轴转速和进给速度，而且还需要具有高的主轴和进给系统运动加速度。
High speed and high precision machinery should have not only high spindle speed and high feeding speed, but also high spindle and feeding system acceleration.
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