Analysis results indicate: shroud tightness is determined by pre-twist Angle of shroud and working load, the centrifugal force plays a main role to the tightness change.
分析结果表明，叶冠的紧度由预扭角和工作载荷决定，离心力对紧度的变化起主要作用。
The results indicate that the elastic operating stress range of a torsional axis is extended greatly by pre-twist process and the main reason lies on surface residual stress.
结果表明，预扭后扭力轴弹性工作应力范围得到极大扩展，其主要原因在于预扭塑变形成的表面残馀应力。
To produce flax elastic fabric, the twister should be innovated in the production, and processing parameters such as twist, polyurethane pre-draft multiple should be controlled.
为了顺利生产亚麻弹力织物，在加工弹力纱时，要对捻线机进行改造，重点控制好捻度和氨纶预牵伸倍数等工艺参数。
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