Title:
略円柱状部材のマイクロロールフォーミング装置
Document Type and Number:
Japanese Patent JP4918960
Kind Code:
B2
Abstract:
A micro-roll forming device for providing a cylindrical blank metal article with a minute convexoconcave bearing surface, comprises a powered article holding structure that, when energized, rotates the cylindrical blank metal article about its axis; a forming tool that includes a form roller with a corrugated circular ridge; a tool holding structure that holds the forming tool in such a manner that the corrugated circular ridge of the form roller is directed toward and in contact with an outer surface of the cylindrical blank metal article rotatably held by the article holding structure; a biasing member that is incorporated with the tool holding structure to press the form roller against the outer surface of the cylindrical blank metal article with a given pressing force; and a powered moving structure that, when energized, moves at least one of the article holding structure and the tool holding structure in such a manner that the selected one moves in both a first direction perpendicular to an axis of the unselected one and a second direction parallel with the axis of the unselected one.
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Inventors:
Tatsuomi Nakayama
Minoru Ota
Manabu Wakuda
Kazuhiko Takashima
Minoru Ota
Manabu Wakuda
Kazuhiko Takashima
Application Number:
JP2004124178A
Publication Date:
April 18, 2012
Filing Date:
April 20, 2004
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
B21H1/00; B23P9/02; B24B39/02; B21H7/14
Domestic Patent References:
| JP58157505A | ||||
| JP2002361351A | ||||
| JP10006107A | ||||
| JP2002317694A | ||||
| JP8309471A |
Attorney, Agent or Firm:
Janggi Motonori