Title:
金属管の引抜装置及び引抜方法
Document Type and Number:
Japanese Patent JP5781399
Kind Code:
B2
Abstract:
A device for drawing a metal tube capable of sufficiently applying a lubricating oil to an inner surface of a tube at the time of drawing and preventing occurrence of seizures is provided. The device for drawing a metal tube in which drawing is performed by making a metal blank tube 2 pass through between a die 10 for forming an outer surface and a plug 11 for forming an inner surface includes a control unit 31 configured to: measure an elapsed time from a time at which supplying of a lubricating oil L to a surface of the plug 11 is stopped until the metal blank tube 2 is set at a drawing position between the die 10 and the plug 11 and becomes ready to be drawn; control to not perform drawing of the metal blank tube 2 when the measured elapsed time exceeds a preset elapsed time; and control to initiate drawing of the metal blank tube 2 when the measured elapsed time is within a preset allowed time.
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Inventors:
Hidekazu Sakihama
Nobuhiko Hisada
Keiichi Ikunuma
Seiji Miyazaki
Nobuhiko Hisada
Keiichi Ikunuma
Seiji Miyazaki
Application Number:
JP2011186790A
Publication Date:
September 24, 2015
Filing Date:
August 30, 2011
Export Citation:
Assignee:
SHOWA DENKO K.K.
International Classes:
B21C3/14; B21C3/16; B21C9/00
Domestic Patent References:
| JP8215713A | ||||
| JP200945663A | ||||
| JP201136904A | ||||
| JP201343219A | ||||
| JP201359801A | ||||
| JP201359802A |
Attorney, Agent or Firm:
Yoshihito Shimizu
Hisayoshi Shimizu
Ken Takada
Hisayoshi Shimizu
Ken Takada