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1·The realization of multi-strand winding was through the friction disc, which can help to realize the mono-strand winding of multi-strand steel straps.

新的简易多条带钢卷取机是利用摩擦片实现滑差式多条卷取，它能实现多条窄带钢单条卷取；

2·Setting main parameters of disc flying shears are presented in detail. including cut Angle, bite conditions, amount of scissors overlapping, friction coefficient and rolling speed etc.

详细介绍了圆盘式飞剪各主要参数的确定，包括交角、咬入条件、剪刃重叠量、摩擦系数、轧制速度等。

3·In the design of disc brake system, it is very important to choose the friction coefficient of brake pair.

制动副摩擦系数的选取，对盘式刹车系统的设计至关重要。

4·Friction force measurements during unlubricated pin-on-disc sliding tests, profilometry and SEM analysis of wear tracks are used to determine the wear behavior quantitatively and qualitatively.

摩擦学性能由销一盘式试验过程中的摩擦力数据和对磨痕的表面轮廓仪和扫描电镜分析作出定量、定性的评价。

5·This turning force in a butterfly valve is determined by three factors. (1) friction of the disc to seat for sealing (2) Bearing friction (3) Dynamic torque.

蝶阀上的这种旋转作用力取决于三个因素：(1)阀瓣与阀座密封的摩擦力；(2)轴承摩擦力；(3)动力矩。

6·Troubleshooting method is to unload the disc brake clamp 1, the friction plate 4 and 3 to remove dust ring, re-connect tubing connector;

排除故障的方法是，卸下盘式制动器夹钳1，将摩擦片4和防尘圈3取下，重新接上油管接头；