Aiming at the poor web uniformity of non-woven fabrics produced by traditional cross lapper, the motion control bus SERCOS is applied in the digital servo system of the W1251 cross lapper.
针对传统交叉铺网机生产的非织造布棉网均匀度较差等问题，将运动控制总线sercos应用于W1251交叉铺网机数字伺服系统。
The article introduces three systems of improving the uniformity of air laying web.
介绍了改善气流成网均匀度的三种途径。
So, beside the uniformity requirement, the web should have more fibers of random orientation which means the difference of breaking strength in length and breadth is small.
大多数产品要求纤网内纤维的排列方向随机分布，即形成杂乱状态，所得产品各方向性能差异最小，主要性能指标强度差异即纵横向强度比要小。
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