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螺旋槽

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With the extensively use of the spiral fluted taps with a large diameter in our country drilli...

随着大直径螺旋槽丝锥在我国广泛应用,在难加工材料表面加工大螺纹孔变得越来越容易。

Nowadays, enhanced heat transfer utilizes superior heat transfer elements. Spirally grooved tube is one of them.

目前,强化传热主要是采用性能良好的传热元件,螺旋槽管是其中的一种。

ABSTRACT In this article the manufacturing method and characteristics of the double wall brazed tube with inner helix groove are given.

摘 要 介绍了内螺旋槽双层卷焊管的制造方法及这种管材的特点。

There are two kinds of the cutter interference errors while milling the loxodrome grooves on the rocket engine nozzle with the four axis simultaneous move CNC milling machine.

为解决具有多种母线轮廓的喷管外表面上铣削加工等倾角螺旋槽的难题,研制和开发了专用的六轴控制、四轴联动的数控机床和专门的数据处理系统。

Comparison of calculated results with those from experiments indicates that the Nu number and ...

所开发的程序为新型高效螺旋槽纹管的开发研制提供了新的途径

Using PH linearization ,the nonlinear partial differential equation was transformed into linear partial differential equation,and then,by introducing a complex function,it was further transformed into a set of two linear differential equations.

应用 PH线性化方法,将非线性偏微分方程转化为线性偏微分方程,引入复函数将复常数偏微分方程变为两个线性实常数微分方程组,并采用小参数迭代法进行求解,近似求得了螺旋槽内气体动压分布的解析解。

Cutter blade in the face of the modeling, this paper presents a basic model of ideological confrontation flank milling reasoning and mathematical algorithm: First, the establishment of the cutter edge cross-section curve and the equation ruled surface and then through the algorithm to generate cutter rake face and the flank, Bezier curve-based algorithm to generate the surface of the spiral groove cutter in order to achieve the opposite blade face milling modeling.

在立铣刀的刃面的建模方面,本文提出了一种基本的建模思想对立铣刀的刀面进行数学推理和算法实现:首先建立立铣刀的刃口曲线及横截面的方程,然后通过直纹面生成算法建立立铣刀的前刀面和后刀面,通过基于Bezier曲线的曲面生成算法建立立铣刀的螺旋槽,从而实现了对立铣刀刃面的建模。

The research can solve the problem of the three-dimension cylinder design such as screw thread, gear wheel, and screw cap.

本研究主要用于解决三维柱面设计中经常会遇到螺纹的设计、齿轮的设计、螺旋槽的等设计问题。

The structure and the principle of spiral sheave and the filling mechanism were introducted.

介绍了螺旋槽轮式排种器的结构和工作原理以及充填机理。

This paper studied the calculating method of the spiral-fluted tube's spinning force, which can provide basic theory for designing spinning shaping equipemnt, establishing spinning shaping technology and designing spinning tools.

摘 要:研究了薄壁圆管螺旋槽旋压成形时力的计算方法,可为设计旋压成形设备、编制旋压工艺、设计旋压工夹具提供理论依据。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。