EP 2380679 A1 20111026 - FORGING METHOD
Title (en)
FORGING METHOD
Title (de)
SCHMIEDEVERFAHREN
Title (fr)
PROCÉDÉ DE FORGEAGE
Publication
Application
Priority
- JP 2009070214 W 20091202
- JP 2008308399 A 20081203
Abstract (en)
The present invention is to provide a forging method capable of transferring a workpiece with a high degree of positional accuracy. The present invention is directed to a forging method in which a workpiece (W) disposed at a workpiece introducing section (50) is sandwiched and held from both sides of the workpiece with a pair of claws (42) provided to a pair of feed bars (41) arranged on both sides of a transferring line by closing the feed bars (41), and transferred to a workpiece processing section by opening the feed bars (41) after moving the feed bars (41) forward to the workpiece processing section with the workpiece (W) sandwiched and held, and the workpiece (W) transferred to the workpiece processing section is forged. In the method, the workpiece (W) is previously provided with an engaging portion (85) and the claw (42) is previously provided with an engaging portion receiving portion (45) so that the workpiece (W) is positioned by engaging the engaging portion (85) with the engaging portion receiving portion (45) at the time of sandwiching and holding the workpiece (W) with the claws (42).
IPC 8 full level
B21K 27/00 (2006.01); B21D 43/05 (2006.01); B21J 5/00 (2006.01); B30B 13/00 (2006.01)
CPC (source: EP KR)
B21J 5/00 (2013.01 - KR); B21K 1/18 (2013.01 - EP); B21K 27/00 (2013.01 - KR); B21K 27/04 (2013.01 - EP); B30B 13/00 (2013.01 - KR)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2380679 A1 20111026; EP 2380679 A4 20161123; CN 102300653 A 20111228; CN 102300653 B 20140319; JP 2010131613 A 20100617; JP 5373378 B2 20131218; KR 101335822 B1 20131203; KR 20110084284 A 20110721; WO 2010064641 A1 20100610
DOCDB simple family (application)
EP 09830407 A 20091202; CN 200980155917 A 20091202; JP 2008308399 A 20081203; JP 2009070214 W 20091202; KR 20117012682 A 20091202