Title:
MANUFACTURING METHOD OF AUTOMOTIVE OUTER PANEL
Document Type and Number:
Japanese Patent JP2019166587
Kind Code:
A
Abstract:
To provide a manufacturing method of an automotive outer panel capable of removing a surface defect, while reducing strain generation on the surface by a simple method.SOLUTION: In a polishing process for polishing a metal plate surface after press working of the metal plate, only a buffing abrasive is used, whose particle size is in the range of #320(34.2 μm-94 μm) to #600(18 μm-72 μm), or otherwise, a buff 3 is used, whose abrasive grain density exposed to a polished surface is, for example, 20/mmor more, preferably 35/mmor more, more preferably 50/mmor more.SELECTED DRAWING: Figure 1
Inventors:
DATE RYOSUKE
FUJII TAKASHI
YAMAMOTO MASAHIRO
FUJII TAKASHI
YAMAMOTO MASAHIRO
Application Number:
JP2018054468A
Publication Date:
October 03, 2019
Filing Date:
March 22, 2018
Export Citation:
Assignee:
DAIHATSU MOTOR CO LTD
International Classes:
B24B29/00; B24B37/00
Attorney, Agent or Firm:
Hiroki Shirai
Sakai Masatoshi
Reiko Yoshida
Sakai Masatoshi
Reiko Yoshida