查询词典 involute

Based on the current design method of involute cylindric gear transmission, this paper treats the strength, stress and relevant parameters of the gear as random variables.

本文在现行渐开线圆柱齿轮传动设计方法的基础上，将齿轮的强度、应力及有关参数当随机变量处理。

According to the connective equation of normal distribution function of these parameters, the paper proposes a simple and practical method for the reliability design of involute cylindric gear transmission, and derives a design formula and a proofread formula.

根据这些参数的正态分布函数的联接方程，提出了渐开线圆柱齿轮传动可靠性设计的一种简单适用的方法，并推导出了设计公式和校核公式。

The involute tooth curve and transition curve mathematical model of gear drive with few teeth number difference is set up.

计算机可视化动态模拟是近几年发展起来的一门新型学科。

This paper establishes the mathematical equatations for Digital Differential Analyzer involute interpolations .

分析并建立了数字积分法渐开线插补的数学模型，采用该方法设计的微机数控系统能直接进行渐开线轮廓的加

For the production of double boiler industry cycloid arc Gear series, double-arc cycloid involute gear tooth series, double cycloid arc Gear three series reducer is the slowdown in industry experts examine bodies comprehensive demonstration of the industry Reducer various features of the design of new models, it has a reduction ratio, low noise, high efficiency, long life, small size, light weight, style, new structure is simple, reliable transmission, less power consumption, easy operation and maintenance, and other characteristics, Is designed for the boiler industry with stereotypes products.

专为锅炉行业生产的双摆线圆弧齿齿轮系列，双摆线圆弧齿渐开线齿轮系列、双摆线圆弧齿行星三轮系列减速机是经减速机构行业专家考查论证综合各行业各种减速机特点设计的新机型，它具有减速比大、噪音低、效率高、寿命长、体积小、重量轻、样式新颖结构简单、传动可靠、耗电少、易操作维修等特点，是专为锅炉行业配备的定型产品。

We build the model for the enveloping worm helix parametric equation and then analyze its relations with the enveloping worm helix tooth surface equation,thus establishing the characteristic model of the involute helicoid enveloping worm′s generative gears.

渐开面环面蜗杆的三维构建属复杂曲面造型，文章在环面蜗杆螺旋线参数方程建模的基础上，分析讨论了其与渐开面环面蜗杆螺旋齿面方程的对应关系，建立了渐开面包络环面蜗杆产型齿的特征模型。

When the point moves along the plane curve, the trace curve of the point is called the evolute of the curve, denoted by, and is called the involute of the curve.

当点沿曲线移动时，相应的曲率中心的轨迹曲线称为曲线的渐屈线，而曲线称为曲线的渐伸线。

The range of standard involute external spline that maximal contact ratio in rolling process has been obtained.

给出了标准渐开线花键冷滚压成形过程中接触比的规格范围。

Gear wear and tear maintenance: Gear tooth wear is mainly the meshing parts, involute gear face and ends flat.

齿轮的磨损维修：齿轮的磨损部位主要是齿的啮合、渐开线工作面和齿轮两端平面。

The drawback with GB3480-83 Methods for the calculation of load capacity of involute cylindrical gears equivalent to ISO/DP6336/Ⅰ∽Ⅲ-1980 is also pointed out: when taking into account lubricating state of gear surface influence on loading capacity of gear surface, In the above it is study on based EHL, and is ignored that in the state of boundary lubricating, as well as favorableness conditions in gear surface conjugate meshing, the active atom resolved from the additive permeates the surface and forms the modifying layer totally different from its basic structure, elements and function and thus greatly raises the loading capacity of gear surface.

也指出了等效于ISO/DP6336/Ⅰ∽Ⅲ-1980的《GB3480-83渐开线圆柱齿轮承载能力计算方法》的缺陷：在考虑齿面间润滑状态对齿面接触强度承载能力影响时，是以弹性流体动力润滑理论为讨论问题的基础，未考虑边界润滑状态下，非活性润滑油抗磨添加剂在啮合过程中，由于各种有利因素会分解出活性原子，渗进齿轮表面，形成表面改性层，极大的提高了其承载能力。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。