Invention Grant
US07930954B2 Method for producing forging die, forging die and forged article 有权
锻造模具,锻造模具和锻造制品的制造方法

  • Patent Title: Method for producing forging die, forging die and forged article
  • Patent Title (中): 锻造模具,锻造模具和锻造制品的制造方法
  • Application No.: US10583041
    Application Date: 2004-12-17
  • Publication No.: US07930954B2
    Publication Date: 2011-04-26
  • Inventor: Jun Asakawa
  • Applicant: Jun Asakawa
  • Applicant Address: JP Tokyo
  • Assignee: Showa Denko K.K.
  • Current Assignee: Showa Denko K.K.
  • Current Assignee Address: JP Tokyo
  • Agency: Sughrue Mion, PLLC
  • Priority: JP2003-418939 20031217
  • International Application: PCT/JP2004/019464 WO 20041217
  • International Announcement: WO2005/058532 WO 20050630
  • Main IPC: B23C3/00
  • IPC: B23C3/00 B23C5/10 B21J13/02
Method for producing forging die, forging die and forged article
Abstract:
A forging die production method comprising a cutting step which employs, as a cutting tool, a ball end mill having a surface which has undergone a hardening treatment and in which a forging die material is cut under conditions where a length of tool extension L (mm), radius R (mm) of a cutting edge of the ball end mill, spindle speed A (rpm) and feed rate B (mm/min) satisfy (B/A)2×(L/(2×R))=0.01 to 0.05. A forging die is produced through the forging die production method. A forged article is produced through forging by use of the produced forging die.
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