公开(公告)号：US5315904A

公开(公告)日：1994-05-31

申请号：US985187

申请日：1992-11-30

申请人： Yasuaki Hashimoto ,  Akio Nakane ,  Tadahiro Uematsu

发明人： Yasuaki Hashimoto ,  Akio Nakane ,  Tadahiro Uematsu

IPC分类号： B21C1/22 ,  B21C37/30 ,  B23B5/12 ,  B23B41/00 ,  B23B5/08

CPC分类号： B23B5/12 ,  Y10S408/705 ,  Y10T408/47 ,  Y10T408/52 ,  Y10T82/2524

摘要： A device for cutting the inner circumferential surface of a thick-walled small diameter pipe comprising a setting means for inserting a core bar having a cutting blade on one end thereof into a pipe to be processed, a rotating means for rotating said pipe to be processed set by the setting means about the axis thereof relative to said core bar, a feed means for cutting the inner surface of said pipe to be processed with said cutting blade while pulling the core bar which is securedly held at the other end thereof relative to said pipe to be processed, and a control means for controlling each of said means, providing a smooth high quality inner surface having excellent proof pressure against internal pressure.

摘要翻译： 一种用于切割厚壁小直径管的内周面的装置，包括：将其一端具有切割刀片的芯棒插入待处理管中的设置装置，用于使待加工管旋转的旋转装置 通过设定装置围绕其轴线相对于所述芯棒设置进给装置，用于在拉动相对于所述芯棒的另一端固定地保持的芯棒的同时用所述切割刀片切割所述待处理管道的内表面的进给装置 待处理管，以及用于控制每个所述装置的控制装置，提供具有优异的抵抗内部压力的耐压力的平滑高质量的内表面。