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41. 发明公开

EP0001893A1 Internal tube cutters 失效
标题翻译：内部管切割器
公开(公告)号：EP0001893A1
公开(公告)日：1979-05-16
申请号：EP78300500.2
申请日：1978-10-13
申请人： WESTINGHOUSE ELECTRIC CORPORATION
发明人： Wilkens, Robert Lee , Skoczylas, Donald Edward
IPC分类号： B23D21/14
CPC分类号： B23B29/03496 , B23B5/14 , B23D21/14 , E21B29/005 , Y10T29/531 , Y10T82/16639 , Y10T82/22
摘要： Aninternal tube cutter (48) for cutting the inside of tubes (38) of a nuclear team generator comprises an extendable cutter (54) capable of being disposed within a tube (38) of the steam generator along with a flexible transverse positioning mechanism (56) disposed on the cutter (54) within the tube (38). The cutter (54) is attached to a drive mechanism (58) that is capable of rotating the cutter (54) when the cutter (54) is in an extended position to thereby cut the inside of the tube (38). The cutter (54) and flexible transverse positioning mechanism (56) are capable of being inserted into and traversing through tubes whose Inside diameter is severely reduced due to denting while being capable of being extended and severing the tube (38) at a aection of the tube (38) having a normal diameter.
摘要翻译：用于切割核组发生器的管（38）的内部的内部管切割器（48）包括能够与柔性横向定位机构（56）一起布置在蒸汽发生器的管（38）内的可延伸切割器（54））布置在管（38）内的切割器（54）上。切割器54安装在驱动机构58上，该驱动机构58在切割器54处于伸出位置时能够使切割器54旋转，从而切断管38的内部。切割器（54）和柔性横向定位机构（56）能够插入并穿过其内径由于凹陷而严重降低的管，同时能够伸展和切断管（38）在具有正常直径的管（38）。

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