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    • 1. 发明授权
      US4903905A Method of balancing a yarn winder 失效
    • Method of balancing a yarn winder
    • 纱线卷绕机平衡方法
    • US4903905A
    • 1990-02-27
    • US333099
    • 1989-04-03
    • Katsumi Hasegawa , Michio Ohno , Akira Kadotsuji
    • Katsumi Hasegawa , Michio Ohno , Akira Kadotsuji
    • B65H54/40 , B65H54/547 , B65H67/048
    • B65H54/40 , B65H54/547 , B65H67/048 , B65H2601/524 , B65H2701/31
    • A method of balancing a spindle in a yarn winder comprising,(a) a base for supporting a yarn take-up means,(b) the yarn take-up means including,(b-1) a spindle driving mechanism mounted to the base,(b-2) a long spindle comprising,(b-2-1) a bobbin holding portion more than 800 mm in length including a first cylindrical hollow body, a cylindrical and substantially solid body connected to the first cylindrical hollow body and a second cylindrical hollow body connected to the cylindrical solid body, and(b-2-2) a shaft extending from a center of the inner end of the cylindrical solid body along the axis thereof through the interior of the second cylindrical hollow body and projecting therefrom, the shaft being connected to the spindle driving mechanism,(b-3) bearing means for rotatably supporting the spindle on the base, and(b-4) a bobbin holding mechanism secured around the periphery of the bobbin holding portion, for detachably mounting thereon at least a bobbin for taking up a yarn,the steps which comprise balancing the bobbin holding portion dynamically by field-balancing carried out by adjusting a test weight in each of at least three planes defined at opposition ends of the bobbin holding portion and an intermediate point therebetween, each of the weights being determined from sensing vibration data obtained by vibration testing carried out with and without an added test weight in each of said at least three planes extending at an angle to the axis of said spindle.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 2. 发明授权
      US4852819A Yarn winder 失效
    • Yarn winder
    • 纱线络纱机
    • US4852819A
    • 1989-08-01
    • US290844
    • 1988-12-29
    • Katsumi Hasegawa , Michio Ohno , Akira Kadotsuji
    • Katsumi Hasegawa , Michio Ohno , Akira Kadotsuji
    • B65H54/40 , B65H54/547 , B65H67/048
    • B65H54/40 , B65H54/547 , B65H67/048 , B65H2601/524 , B65H2701/31
    • A yarn winder provided with a long spindle (1) having a length of, for example, more than 800 mm, and free from vibration even when used at a high working rotation is provided by various aspects of the present invention. According to a first aspect, the dynamic unbalance of the spindle (1) is corrected by field-balancing in at least three planes including the mid-portion of the spindle (1) by an influence coefficient matrix method. According to a second aspect, the respective spindle (1, 14) mounted on a revolving drum (9) has a natural frequency different from each other so that no resonance occurs when the two spindles (1, 14) are rotated at substantially the same rotational speed. According to a third aspect, a bobbin holding portion (2) of the spindle (1) is formed by two cylindrical hollow bodies (103, 104) each having shorter length that can be easily machined without eccentricity. The rearward cylindrical hollow body (104) has a thicker wall thickness in a region closer to a connection (130) to the forward cylindrical hollow body ( 103) and a thinner thickness in a region farther therefrom, so that a weight of the cylindrical hollow body (104) does not adversely influence the vibration of the spindle. Also, an improved method for donning bobbins (115a through 115d) on the spindle (1) without eccentricity by the use of a stop (124) for providing a vacant distance (P) adjacent to the topmost bobbin (115d) before the same occupies a normal working position.
    • 提供具有例如大于800mm的长度的长心轴（1）并且即使当以高加工旋转使用时也没有振动的纱线卷取机由本发明的各个方面提供。 根据第一方面，通过影响系数矩阵法在包括主轴（1）的中间部分的至少三个平面中通过场均衡来校正主轴（1）的动态不平衡。 根据第二方面，安装在转鼓（9）上的相应主轴（1,14）具有彼此不同的固有频率，使得当两个主轴（1,14）基本相同时旋转时不发生共振 转速。 根据第三方面，主轴（1）的筒管保持部（2）由两个圆柱形中空体（103,104）形成，每个圆柱形中空体（103,104）具有较短的长度，可以容易地加工而不偏心。 后向圆柱形中空体（104）在更接近前向圆柱形中空体（103）的连接（130）的区域中具有更厚的壁厚，并且在远离其的区域中具有较薄的厚度，使得圆柱形中空体 主体（104）不会对主轴的振动产生不利影响。 另外，一种改进的方法，用于在主轴（1）之间通过使用用于在相同占据之前提供与最上面的线轴（115d）相邻的空位距离（P）的止挡件（124）而不偏心地将心轴（1）上的线轴（115a至115d） 正常的工作岗位。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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