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公开(公告)号：JP2001259763A
公开(公告)日：2001-09-25
申请号：JP2001039644
申请日：2001-02-16
Applicant: SMS DEMAG AG
Inventor： KOLBE MANFRED , TOPUTH ARNO , HAUSLER KARL HEINZ
Abstract: PROBLEM TO BE SOLVED: To provide a mechanism tube expanding machine capable of reducing wear of relatively moving faces against each other and eliminating a lubricant oil use in these regions. SOLUTION: The mechanical tube expanding machine has a pyramidal polygonal body 2 and segments 3 provided with side faces of the polygonal body, the segments are radially moved by relatively sliding the polygonal body 2 for the segments 3, in the axial direction wear films 5 are arranged between the side faces of the polygonal body 2 and the segments 3.
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