The service life of the oilfield wire rope can be greatly extended by using sheaves made of material with low elastic modulus.
石油矿场机械设备用于支承钢丝绳的钢制绳轮，采用低弹性模量的材料制作，可大幅度地延长钢丝绳的使用寿命。
ABB's design and supply responsibilities include the bottom dump ore skips with inspection platforms, the rope deflection sheaves and a skip dumping system.
ABB设计和供货职责包括箕斗和井底检测平台、导向轮和箕斗卸载系统。
Now there is the rope-arranging device being installed low-order but its sheaves always wear down quickly.
研制了在绞车上安装的排绳器，滑轮内部设计有滚动轴承及滑动轴套。
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