Every customer has difference in the type of drill bits, such as length, helical angle and others.
每个公司要的钻头的形式有区别，长度、螺旋角等各不相同。
Furthermore, the pressure drop in helical baffles heat exchangers gets down with the increase of helical Angle.
同时，随着螺旋角的增大，螺旋折流板换热器的壳程压力损失呈下降趋势。
Making use of the points measured on the drum helical curve of concrete-mixer truck, the helical Angle formula of the helical curve is obtained by means of least square method.
利用测得的混凝土搅拌车拌桶螺旋线上的一组离散点，通过最小二乘法拟合出了求解拌桶螺旋线螺旋角的公式。
In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.
分析齿轮主要参数，提出用测量跨棒（）和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法，并推导出螺旋角的计算公式。
According to the volume oil formula of the straight gear pump, the volume oil formula of the helical gear pump is got and the helix Angle no trapping is found.
利用直齿齿轮泵的困油容积变化公式，求出了斜齿齿轮泵的困油容积变化公式，得到了斜齿齿轮泵不发生困油的螺旋角。
It is made of aluminum alloy with a certain Angle of helical blade, and is fixed at the front part of shell constriction. It forces the fluid to form strong eddy.
用铝合金制成，具有一定角度的螺旋叶片，它固定在壳体收缩段前部，强迫流体产生强烈的漩涡流。
It is shown that S-H crossed-axis helical gears perform a good gear transmission on condition of little axial Angle.
H交错轴斜齿轮传动是小轴交角情况下空间交错轴传动的一种优良形式。
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。
The helical surface equations of the spherical hob are set up in spherical coordinates. The formulas of the side clearance angle and numerical examples are given.
在球坐标系中，建立了球形滚刀的各个螺旋面方程，推导了侧后角公式，并给出了计算实例。
This paper presents a method for machining of taper cutting tools with equal helix Angle. The principle of the method is using taper helical curve with equal pitch to approach equal Angle one.
文章提出了一种在经济型数控机床上实现等螺旋角圆锥螺旋线的加工方法，其原理是用等导程螺旋线去逼近此种曲线。
A method to improve the dynamic characteristics of gear system is proposed through the selection of spiral Angle of helical gear according to gear system dynamics theory.
以齿轮系统动力学理论为基础，提出了通过斜齿轮螺旋角的择优选取改善系统动态特性的方法。
When the worm crisscross Angle, still need to ensure that's too, and worm gear and worm helical screw to must be identical.
当蜗轮蜗杆的交错角为时，还需保证，而且蜗轮与蜗杆螺旋线旋向必须相同。
This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.
本文介绍一种测量石油螺纹量规的螺旋线、中径、锥度和牙形半角的新方法及装置。
Because of the Angle of the teeth on helical gears they create a thrust load on the gear when they mesh.
因为斜齿轮的齿有个角度，所以，在其啮合时就会产生轴向推力。
In the design of crossed-helical gears, the minimum sliding velocity is obtained when the helix Angle are equal.
在横渡螺线齿轮设计，当节面角是相等的时，极小值滑的速度得到。
Instead, and as their name implies, the teeth on a helical gear are inclined at an Angle so that each tooth wraps on the gear's cylinder in the shape of a shallow helix.
反之，并作为其称号所暗示地，牙齿上地螺旋齿轮倾向于一个角度，使每一个齿完毕对齿轮地圆筒外形地浅螺旋。
Instead, and as their name implies, the teeth on a helical gear are inclined at an Angle so that each tooth wraps on the gear's cylinder in the shape of a shallow helix.
反之，并作为其称号所暗示地，牙齿上地螺旋齿轮倾向于一个角度，使每一个齿完毕对齿轮地圆筒外形地浅螺旋。
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