键是一种标准件,通常用于联接轴与轴上旋转零件与摆动零件,起周向固定零件的作用以传递旋转运动和扭矩,楔键还可以起单向轴向固定零件。而导键、滑键、花键还可用作轴上移动的导向装置。用键将轴与带毂零件联成一体的可拆联接,是轴与齿轮或轴与带轮之间常用的联接方式。键是标准件,安放在轴与轮毂的键槽中,分为平键、半圆键和斜键3类。
共聚是两种高聚物主链间的化学键联接。
Copolymer is where chemical combination exists in the main chain between two polymers.
双甘油是两分子甘油由一个醚键联接构成的多羟基化合物。
Diglycerin is a polyol consisting of two molecules of glycerol bonded by an ether linkage.
针对锥面弹性衬套无键联接传动的特点,进行了受力分析和承载能力计算。
In view of the features of keyless connection with elastic sleeve with conical outer surface, the force analysis and carrying capacity calculation of the connection is conducted.
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