伏辊，本来指长网成形器上位于成形网上纸幅被揭离之处的作为成形网工作行程段终点的辊筒，它同时又是被成形网所包绕而带动成形网运动的主动辊筒；在圆网成形器则指与网笼或网鼓组成一对挤压脱水元件并使网上纸层被湿毯带走的辊筒；其他型式的成形器也按以上的定义来命名纸幅离网处的主动辊筒。 By Weilong Chen
n. coucher
misc. couch roll
真空伏辊空气动力性噪声是造纸机的主噪声源。
The aerodynamical noise of vacuum couch roll is the major noise source of paper machine.
降低真空伏辊空气动力性噪声是降低抄纸机噪声的关键。
The key point of reducing noise of paper machine is to reduce aerodynamic noise of vacuum couch.
网部主要由网案台架、成形板、脱水板、湿吸箱、吸水箱、上伏辊、真空伏辊、驱网辊、复合辊等组成。
Wire table pedestal, Model the board, Dehydrate the box, wet absorb the box Absorbs the water tank, Up underlying rollers, Vacuum underlying rollers, Drive net rollers, Combine roll etc.
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