吃刀量

利用预测模型分析了进给量、切削速度、背吃刀量对表面粗糙度的影响。

The predication model is utilized to analyze the influences of feed , cutting speed and depth of cut on the surface roughness .

在分析其切削力的非线性特征规律基础上，建立了高速切削难加工材料工艺中切削力与背吃刀量、每齿进给量和切削速度之间的非线性数学模型。

The characteristics of difficult-to-eut materials in high-speed cutting process are analyzed and a nonlinear mathematics model on the relationship between cutting forces and depth of cut , feed per tooth , cutting velocity is proposed .

确定切屑折断最小极限背吃刀量的理论探讨

Theoretical Study on Determination of Minimum Limit Back Engagement for Chip - breaking

研究结果表明：高速铣削时，背吃刀量和每齿进给量是对主切削力有显著影响的效应因素；

It is concluded that depth of cut and feed per tooth are the main influence factors on primary cutting forces ;

背吃刀量、主轴转速对表面粗糙度的影响较小。确定切屑折断最小极限背吃刀量的理论探讨

The back infeed and spindle speed have little influence . Theoretical Study on Determination of Minimum Limit Back Engagement for Chip-breaking

当进给量和背吃刀量都处于高水平时，刀具破损严重，刀具寿命很短，没有规律可循。

When the feed rate and cutting depth are in the high level , tool failure is very bad , and tool life is very short .

分析结果表明：在精密铣削中，工件表面的温度与背吃刀量、铣刀转速以及进给速度有关；

As the result , the temperature of processed surface in fine milling is closely associated with the milling depth , milling speed and advancing speed .

根据横向卷曲短螺卷屑形成过程中切屑动力学及其折断判据理论，得出了极限背吃刀量的理论预报公式；

Based on the theory of chip dynamics and it 's breaking foundation in the formation process of side-curl short-spiral chip , the critical depth-of-cut is formulated .

表面粗糙度正交试验的结果表明：表面粗糙度随着切削速度的增大而减小，随着进给量和背吃刀量的增大而增大，随着刀尖圆弧半径的增大出现先减小后增大。

With the feed rate and cutting depth increases , surface roughness increases . The surface roughness first increases then decreases along with the increasing of corner radius .

在分析其切削非线性特征力的基础上，应用高斯-牛顿迭代法，建立了高速切削力与侧吃刀量、背吃刀量、每齿进给量和切削速度间的非线性数学模型。

Characteristics of this difficult-to-cut material in high-speed cutting process are analyzed and a nonlinear model on the relationship between the cutting force and cutting regimes is proposed .

因为1/4圆弧刀具各个点的直径都不同，这就导致在加工过程中不同直径处的背吃刀量会有不同，因此，针对所用刀具的特殊性，制定了实验方案。

Each spot diameter is different on the 1 / 4 circular cutting tool , which will cause the different cutting depth on the different diameter during the processing .

通过切削试验，分析了切削速度、背吃刀量以及切削液等参数改变时，对切削力及表面质量的影响。

Through cutting experiment , the influence on cutting force and surface quality was analyzed when change the parameters such as cutting speed , back cutting depth and cutting fluid and so on .

砂带磨削作为一种有着万能磨削之称的新型磨削工艺，已经能用于高速、干磨和大吃刀量等重磨削领域，及高精密零件的磨削加工领域。

Belt grinding , called " universal grinding " , a new grinding process , has been used for the heavy grind field with dry grinding , high speed , big cutting , and high-precision parts grinding .

分别选择切削速度、进给速度和背吃刀量为三个因素，每个因素各取四个水平，建立了三因素四水平正交表，对其沿三个坐标轴方向的磨削力进行测量。

Cutting speed , feed rate and cutting depth of three factors , each of the four levels of each four-level orthogonal three factors , its three directions grinding force were measured and the fractal dimension of force calculated .

首先进行的是玻璃加工过程中的切削力研究，分别选取了切削速度、进给速度、背吃刀量三个因素进行实验研究，每个因素选取三个水平。

First , the paper researched the cutting force of processing glass , selected three factors to conduct the experimental study , the cutting velocity , the feed rate , the cutting depth . In the experimental study , each factor selected three levels .