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圆柱体以其端部作为接合面而垂直地安装到另外的大直径圆柱体上时,其端部需加工成鞍形,本专利即是加工此鞍形接合面和类似工件的回转切削方法及其装置.要把圆筒状的管接头焊接在圆柱体
Cylindrical body with its end as a joint perpendicularly mounted to the other large diameter cylinder, the end of the need to be processed into a saddle, this patent is the processing of the saddle joint and similar workpiece rotary cutting method and The device should be cylindrical pipe joints welded to the cylinder