The initial path of crack pro-pogation is related with a rake angle of the cutting blade.
裂纹扩展的初期路径与刀具的前角有关。
The effect of tool rake angle on the geometric shapes of the chip, cutting force and cutting temperature is investigated.
分析了刀具前角对切屑几何形状、切削力和切削温度的影响。
The results show that the effects on surface roughness are feed speed, depth of cutting , tool rake angle and parts hardness in turn.
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。
There is a special way of design of carbon alloy slotting tool which has minus rake angle to increase the ability of resisting the tooth edge collapse.
为提高硬质合金插齿刀的抗崩刃能力，需要采用负前角的特殊设计；
Through the graphics processing of micro protrusion topography of wheel, the grain protrusion height, grain protrusion volume, grain rake angle and clearance angle were modeled.
通过砂轮微观出刃形貌的图形化处理，建立磨粒出刃高度、出刃体积、磨粒切削前角和后角等特征参数模式。
Analyze the influence of main parameters including exp. area ratio, blade number, collective pitch angle, section shape, cyclic pitch angle and rake angle on the performance of VVP.
本文分析了盘面比、叶数、整体螺距角、周期螺距角、纵倾角、叶剖面形状等主要参数的变化对全方向推进器水动力性能的影响。
The present paper also introduces the theory for the design of bit parameters in order to improve the economic target, such as negative rake angle, bypass angle and the exposure height.
本文还介绍了为提高复合片钻头经济指标的诸钻头参数设计的理论根据，如负前角、旁通角、出露高度、复合片布置等等。
Rake Angle. It is the Angle between the face of the tool called the rake face and the normal to the machining direction.
它是被称为前倾面的刀具面与垂直机加工方向的夹角。
This paper also discusses bit parameter design to improve the economy of PDC bits, such as negative rake Angle and side rotation Angle.
本文还介绍了为提高复合片钻头经济指标的钻头参数设计问题，如负前角，侧旋角等。
It also shows that the chip flow direction is closer to the maximum inclination direction of a rake face with an increase in a normal rake Angle.
文中还提出，随着法向前角增大，流屑方向将愈接近前刀面最大倾斜方向。
Measurable parameters include the coordinates of the circle center of the cutter teeth compact and the compact's back rake Angle and side sway Angle.
可测量的位置参数有切削齿复合片的圆心坐标及负前角、侧偏角等。
However, the sectional profile of groove and rake Angle are frequently prone to be below the mark even being rejected because of a large spiral Angle.
但若所加工的螺旋角较大，则易出现槽形和前角不符要求，乃至报废。
Based on equation of cutting edges, new geometric model and NC grinding model of rake face of ball end mill with constant normal rake Angle are modeled.
本文基于刀刃曲线方程，推导了球头等法前角前刀面的几何模型及其数控磨削模型。
The mathematical model presented in this paper can also be used in the regrinding of gear hobs with zero rake Angle and positive rake Angle for error calculation and revision.
文中的数学模型亦可用于零前角及正前角齿轮滚刀重磨后的齿形误差计算及修正。
This paper presents a calculating method for the edge of a new hob with straight groove and zero rake Angle. The original section edge of the said hob is on the surface of basic worm.
本文提出了对直槽零前角滚刀，原始截面刃形在基本蜗杆齿面上，其新滚刀刃形的计算方法。
A study is made on the working Angle in scraping process, practical Calculations are taken up to the Angle of working edge, rake Angle and back Angle. Some patterns of such change are found out.
本文对刮削过程中工作角度问题进行了探讨，并对工作刃倾角、工作前角和工作后角进行了具体计算，得到了一些变化规律。
Good toughness and wear resistance, suitable for low speed cutting allowing a big rake Angle, ensuring the sharpness of the edges, bearing a heavy cutting force and achieving good surface finish.
具有优良的韧性和耐磨性，适用于低速切削，允许采用大前角，保证刀刃的锋利性，从而可随大的切削力，并获得光洁度高的表面。
Although big roof, incline plane, long overhang eaves and high rake Angle are characteristics of Chinese ancient palatial architecture, the lips and beasts are parts sine qua non in roof decoration.
大屋顶、斜坡面、深出檐、高翘角是中国古代宫殿建筑的特点，而脊吻、走兽又是屋顶装饰不可缺少的部件。
Although big roof, incline plane, long overhang eaves and high rake Angle are characteristics of Chinese ancient palatial architecture, the lips and beasts are parts sine qua non in roof decoration.
大屋顶、斜坡面、深出檐、高翘角是中国古代宫殿建筑的特点，而脊吻、走兽又是屋顶装饰不可缺少的部件。
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