ALUMINUM TUBE SUPERIOR IN SURFACE QUALITY, MANUFACTURING METHOD THEREOF, MANUFACTURE DEVICE, AND PHOTORECEPTOR DRUM SUBSTRATE

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of manufacturing an aluminum tube which is free from surface defects like white scratches and is superior in surface quality, with high production efficiency.;SOLUTION: In the manufacturing method of drawing an extruded tube 4 after extruding an aluminum billet to obtain the extruded tube 4, the aluminum extruded tube 4 is cut in a position ≤10m off an ejection position M of an extrusion die to obtain the aluminum extruded tube 4 of which the length (R) is ≤10m, and this extruded tube 4 is subjected to drawing.;COPYRIGHT: (C)2005,JPO&NCIPI