查询词典 helical angle

The mechanics model of a ball screw was developed considering the factor of lead angle,and the main curvature of the helical surface was deduced using differential geometry method,and the effect of lead angle on the elastic deformation was analyzed.

考虑螺旋升角的因素，建立了滚珠丝杠副的受力模型，应用微分几何理论推导了螺旋面的主曲率，并进一步分析了螺旋升角对滚珠丝杠副弹性变形的影响。

Considering the effect of load and helical angle on the instaneous width of contact area, this paper uses the BEM program for calculating the deformations at different place along the width of convex tooth and concave tooth of W-N gear and gets the relevant deformation curves.

并首次应用三维边界元方法，在计入齿面瞬时接触迹宽度随外载、螺旋角而变化的条件下，计算了双圆弧齿轮凸齿面端部和凹齿面端部的变形。

It is analyzed by means of computer simulation that the contact-track shape and related factors, the influence of installing angle error and interpolation error to machining precision, and some important conclusion is drawn, all of which sets a foundation to improve the precision of helical surface machining.

论文以计算机仿真为手段，详细分析了截面包络法加工螺旋面时工件与刀具上的接触迹形状及影响因素；分析了安装误差及插补误差对工件加工精度的影响，并得出相关结论，为提高螺旋面的加工精度奠定了基础。

In the current study, a series of cationic α-helical peptides of 20 a.a. were designed and synthesized based on four structural parameters, including charge, polar angle, hydrophobicity, and hydrophobic moment. Several methods were performed to describe the influence of these parameters on the antimicrobial and hemolytic activity, and on the permeabilizing effect on model membranes. The potential of these parameters to increase the antibacterial activity and to improve the prokaryotic selectivity is assessed.

本实验利用自行设计合成的人工抗菌胜肽当模型，固定长度为 20 个胺基酸，改变其电荷、极性角度、疏水性及疏水性矩等四种结构特性，并利用其对各种不同病原菌之抗菌活性及对兔子红血球细胞的溶血活性来研究其结构特性的改变对其抗菌活性、选择性及微脂体膜的渗透性之影响，以期望改变结构参数能增加抗菌活性及对原核的选择性。

A new cylinder type forage cutter with high operation was designed and manufactured. Construction design and its performance parameters, helical angle of moving knife, setting height of fixed knife, overload protective device, throwing device and edge shape of fixed knife were analyzed. The results of test were as follows: optimal helical angle of moving knife was 20°, optimal setting height of the center of the cylinder above fixed knife was 20 mm, line speed of blower vane was 13.6m/s ,power consump...

通过对 93ZT - 5 0 0型滚筒式铡草机的设计研究，分析了滑切角、定刀配置高度、定刀刃角对铡草机性能的影响，并对机构设计进行了探讨，试验结果为：动刀的螺旋角为 2 0°；滚筒中心高于定刀 2 0mm ；抛送风机叶片线速度 13.6m/s ；开刃定刀比矩形定刀的功率消耗低 17.5 %；安全防护装置采用牙嵌式安全离合器；研究结果对滚筒式铡草机的设计和应用具有一定的参考价值

Helical gears can also be used to connect nonparallel, non-intersecting shafts at any angle to one another.

螺旋齿轮也可以被用来连接非平行，不相交的竖井任何角度对另外一个人。

Equipment with real-time monitoring, arc, interpolation, helical milling, clearance angle, single angle integrated time for 7-15 seconds.

设备配有实时监控，圆弧、插补、斜铣、单角综合清角时间为7-15秒。

Employing the method of complex helical drill point design,the formula of the clearance angle of inner cut edge for the socket drill is derived and the relationship between the clearance angle and the slantwise angle of the inner cut edge is deduced to innovate the design and manufacture of the socket drill.

通过复杂螺旋面钻尖设计方法导出锪窝钻钻尖内刃后角公式及内刃后角与内刃偏角的关系表达式，改进了锪窝钻的设计与制造。

Helical milling cutters have a very small number of teeth but a large helix angle.

Helical铣刀有很小量的牙，但是一个大节面角。

The thread form and helical angle of screw are key factors that influence the screw-in ability of a bolt and reliability of screw coupling. There exist significant correlation between them, therefore the contour of thread portion can be used to judge the acceptability of a bolt.

牙形和升角是影响紧固螺纹通过性和接触可靠性的重要因素，它们之间存在良好的相关性，通过检测紧固件螺纹部分的轮廓线的形状和位置可以判断其通过性和接触可靠性。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷