英语翻译Helical gears are used to transmit motion between parall

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英语翻译
Helical gears are used to transmit motion between parallel shafts.The helix angle is the same on each geas,but one gear must have a right-hand helix and the other a left-hand helix.The shape of thooth is an involute helicoid.If a piece of paper cut in the shape of a parallelogram is wrapped around a cylinder,the angular edge of the paper becomes a helix.If we unwind this paper,each point on the angular edge generates an involute curve.The surface obtained when every point on the edge generates an involute is called an involute helicoid.

螺线齿轮被用于传送在平行的轴之间的行动.节面角在每上相同geas,但是一个齿轮必须有一个右手螺旋和其他一个左手螺旋.thooth形状是断开线螺旋面.如果一张纸以平行四边形的形式裁减在圆筒附近被包裹,本文的有角边缘成为螺旋.如果我们解开本文,在有角边缘的每点引起断开线曲线.表面获得了在边缘的每点什么时候引起一断开线叫断开线螺旋面.

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