The paper introduces the structure feature of a coiler with three mitre type reel. This reel has three kinds of diameters and its tension range can be up to 20 times higher.
介绍了具有三斜楔式卷筒的卷取机结构特点，卷筒直径有三种规格，卷取最大张力与最小张力比达20倍。
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Take-up can either be a continuous down coiler, or a single spooler at the request of user.