Numerical analysis on effects of helix angle of stirring paddle on mixing performance of vertical kneading machine;
立式捏合机搅拌桨螺旋角影响数值分析
The measurement methods and the computing formulas of standard gear helix master helix angle are analyzed,on these basis the source and assessing method of uncertainty in measurement helix angle are particularly dissertated.
分析了标准齿轮螺旋线样板螺旋角的测量方法及计算公式,在此基础上讨论了螺旋角测量不确定度的来源和评定方法,最后通过实验数据,对螺旋角的测量不确定度的评定方法进行了实例分析。
Aim at disadvantages of traditional measuring methods,such as lower precision and complicated operations,a precise measuring method for pitch circle helix angle of involute spur gear by CMM was put forward.
针对渐开线圆柱斜齿轮分度圆螺旋角的传统测量方法精度低、操作复杂等缺陷,提出用三坐标测量机精确测量圆柱斜齿轮分度圆螺旋角的方法,介绍了其测量原理及步骤,并进行了测量精度分析。
Effect of helical angle on EHL of double - circular - arc gear;
螺旋角对双圆弧齿轮弹性流体动压润滑的影响
Optimization of helical angle of tooth of oblique-toothed synchronous belt;
斜齿同步带带齿螺旋角的优化设计
The study on the different spiral angle heat-transfer properties of spiral fold baffle heat exchanger,such as 25°、30°、40°were mainly tested and presented.
对螺旋角为18°、25°和30°的螺旋折流板换热器壳程传热性能进行了测定与研究,同时对螺旋角为18°、25°和30°的螺旋折流板换热器与传统的弓形折流板换热器壳程传热性能进行了比较。
Taking spiral angle of 40°,for example,a mainly test and research on the rule of coefficient heat transmission and pressure drop in spiral baffled condenser.
以40°螺旋角为例,研究了螺旋折流板冷凝器壳程传热性能与阻力性能的变化规律,给出了螺旋折流板冷凝器壳程传热系数及压力降的经验计算公式。
This paper mainly test and research on the different spiral angle heat-transfer properties of spiral fold baffle heat exchanger,such as 18°,25°,30°.
主要对18°,25°,30°螺旋角的螺旋折流板换热器壳程传热性能进行了测定与研究,同时又进行了18°,25°,30°螺旋角的螺旋折流板换热器与传统的弓形折流板换热器壳程传热性能的比较。
Analyze the Helical Gear Pump for the instant displacement, single gear displacement, theinstant change ratio and change value of trapping volume and the influnce of screw angle in detail.
详细分析了斜齿齿轮泵的瞬间排量、单齿排量、困油区容积的瞬间变化率及变化量、螺旋角的影响。
As a result,the tooth profile equations,helix angle equations,limit curve equations and induced normal curvature equations for worm and internal gear are obtained.
介绍了一种新型的传动机构超环面行星蜗杆传动，运用啮合理论的包络法建立了这种传动中行星轮与蜗杆、行星轮与内齿轮啮合的基本方程，进而得到了蜗杆和内齿轮的齿面方程、螺旋升角方程、界限曲线方程及诱导法曲率方程等。
The formulation of the helix angle of the device with tapered thread is deduced.
推导了锥螺纹的螺旋升角计算公式。
Relation of variation between helix cone angle and the lowest safety factor revealed that when guiding helix bit was under pressure,the safety factor increased with the helix cone angle enlarging simultaneously,and would reduce at a certain value.
从螺旋锥角与最低安全系数变化关系中得出,当引导螺旋钻头承压一定时,其安全系数随着螺旋锥角增大而增大,但增大到一定值时又随之减小。
helical gear with helix angle
带螺旋角的螺旋齿轮
equal spiral angle taper cylindrical milling cutter
等螺旋角锥度柱铣刀
Secondly there is error between thethread roll angles of thread rolling die and drill rod.
滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
testing method for angle of spirality in plain knitted garments
平针织物的螺旋角度测定法
involute and helix measuring instrument
齿轮渐开线及螺旋角测量仪
The comparison between the spiral sheave of the two different spiral horns and straight sheave was analyzed.
将两个不同螺旋角的螺旋槽轮和直槽轮进行了比较研究。
Comparison Experimental Study of Heat Transfer Performance of Heat Exchangers with Different Helical Baffles
不同螺旋角螺旋折流板换热器传热性能对比实验
Research of heat transfer character of shell-and-tude heat exchangers with spiral fold baffles
螺旋角度不同的螺旋折流板换热器壳程传热性能研究
hexagon spline screw driver
内六角花形螺钉旋具
The alpha helix is found in muscle protein and keratin.
α螺旋存在于肌肉蛋白和角蛋白中。
large Himalayan goat with large spiraled horns.
喜玛拉雅有大的螺旋状角的大山羊。
either of two spiral-horned antelopes of the African bush.
非洲丛林地区的两种螺旋形角的羚羊。
STUDY ON INFECTION OF SPIRALLY ASCEND ANGLE IN CONDENSE HEAT TRANSFER CHARACTER
螺旋升角对凝结换热特性影响的研究
Photobiological Studies on the Arthrospira Plantensis (Cyanophyta) and Phaeodactylum Tricornutum (Bacillariophyceae)
螺旋藻和三角褐指藻的光生物学研究
Wiener Number of Helical Polyomino System
螺旋四角系统的Wiener数(英文)
spiral part of a screw
（螺钉的）螺旋部分.
paranemic spiral
平行螺旋，反向双股螺旋
helical curve [ line ]
螺旋曲线螺旋(取向)照相
