研制了一种新型多段圆锥螺旋分级机。
A new type of multi stage cone spiral classifier was developed.
提出一种计入弹簧大变形的影响的等升角圆锥螺旋弹簧非线性的螺旋弹簧理论。
Classic theory of conical helical spring is revised, and the analytic formula of nonlinear theory is derived.
对用负阻抗变换电路同圆锥螺旋天线相结合，构成的有源接收天线进行了理论分析。
An active receiving antenna consisting of conical helix antenna and a negative impedance changing circuit is analyzed in this paper.
文中以圆锥螺旋弹簧变形后的平衡位形分析计算其受力和变形，导出了非线性公式。
Here, force and deformation of a conical helical spring are discussed based on equilibrium configuration after deformation, and a nonlinear analytic formula is derived.
研究了菲亚特拖拉机后桥大圆锥螺旋齿轮淬火变形规律，分析了原淬火压模存在的问题。
The quenching distortion of rear axle spiral bevel gear used in FLAT tractor is studied in this paper.
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。
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.
应用微分几何理论，给出了圆锥螺旋铣刀几何特性，据此导出了三维非线性铣削力模型，继而采用非线性规划识别切削力系数。
This paper sets up an instantaneous cutting force model for a spiral cylinder cutter by analyzing the linear relationship between micro-unit milling force and instantaneous uncut chip thickness.
在15世纪早期，人们发明了螺旋弹簧或均力圆锥轮，尽管它的主弹簧的张力不断变化，但仍能对计时装置的齿轮保持恒定的力。
In the early 1400s came the invention of the coiled spring or fusee which maintained constant force to the gear wheels of the timekeeper despite the changing tension of its mainspring.
如在简单的机器上的区段所指出的，一个螺丝钉以一个楔住行动行事而且有圆形圆筒(或者切断了圆锥体)与一螺旋状的在它里面的凹槽。
As indicated in the section on simple machines, a screw ACTS with a wedging action and consists of a circular cylinder (or truncated cone) with a helical groove in it.
运用有限差分法对圆锥形螺旋槽气体动压轴承的静特性进行了数值计算，并对计算结果进行了分析。
By means of finite difference methods, the numerical analysis is carried out on the static performance of hemispherical spiral groove aerodynamic bearings, and the discussion on the computed results.
本文提供了一种在三坐标测量机上用小测头在单侧螺旋面上测量圆锥螺纹的新方法，其特点是测量速度快、效率高。
It is a new method for measuring conical threads by means of CMM on single flank, which is quick and efficient.
按齿轮轴线的相对位置分平行轴圆柱齿轮传动、相交轴圆锥齿轮传动和交错轴螺旋齿轮传动。
According to the relative position of sub-gear axis parallel shaft spur gear drive, bevel gear drive shaft and intersecting cross-axis helical gears.
具有螺旋状的螺转体的，塔楼状的，如某些有高螺旋圆锥体的腹足类动物的壳。
Having the shape or form of a turret, as certain long-spired gastropod shells.
另一种是近似圆锥体的母线是向锥体外凸出的曲线。螺旋叶片垂直于锥体表面。
Said spiral blade has a spiral curve extended from the tip of conic body.
另一种是近似圆锥体的母线是向锥体外凸出的曲线。螺旋叶片垂直于锥体表面。
Said spiral blade has a spiral curve extended from the tip of conic body.
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