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单词 Gear ratios
释义

Gear ratios

原声例句
CNBC全球经济分析

First, to ensure a liability to asset ratio of less than 70%. Then, the next line, net gearing ratio of less than 100%.

一是确保资产负债率低于70%。然后,下一行,净负债率低于100%。

中文百科

齿轮 Gear train

(重定向自Gear ratios)
油井上的齿轮组
齿轮齿条
内齿轮

齿轮(Gear或cogwheel)是轮缘上有齿能连续啮合传递运动和动力的机械组件,齿轮依靠齿的啮合传递扭矩的轮状机械零件。齿轮通过与其它齿状机械零件(如另一齿轮、齿条、蜗杆)传动,可实现改变转速与扭矩、改变运动方向和改变运动形式等功能。由于传动效率高、传动比准确、功率范围大等优点,齿轮机构在工业产品中广泛应用,其设计与制造水平会直接影响到工业产品的品质。

齿轮轮齿相互扣住齿轮会带动另一个齿轮转动来发送动力。将两个齿轮分开,也可以应用链条履带、皮带来带动两边的齿轮而发送动力。」齿轮一般由轮齿、齿槽、端面、法面、齿顶圆、齿根圆、基圆和分度圆组成。

英语百科

Gear train 齿轮

(重定向自Gear ratios)
Illustration from Army Service Corps Training on Mechanical Transport, (1911), Fig. 112 Transmission of motion and force by gear wheels, compound train
An Agricola illustration from 1580 showing a toothed wheel that engages a slotted cylinder to form a gear train that transmits power from a human-powered treadmill to mining pump.
2 gears and an idler gear on a piece of farm equipment, with a ratio of 42/13 = 3.23:1

A gear train is a mechanical system formed by mounting gears on a frame so that the teeth of the gears engage.

Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping, providing a smooth transmission of rotation from one gear to the next.

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