Title:
STRAIN STRAIGHTENING METHOD
Document Type and Number:
Japanese Patent JP2013071178
Kind Code:
A
Abstract:
To set an appropriate push-in amount that reflects the physical property of a workpiece even if the shape of a component is complicated.
Stress (shear stress) applied to the workpiece in a first workpiece bending process is measured, and a sample having a physical property close to the workpiece is specified based on stress τ1 at this time and stress curves of a plurality of samples with different physical properties. A straightening curve concerning this sample is then selected.
Inventors:
AIDA KAZUTOSHI
Application Number:
JP2011214470A
Publication Date:
April 22, 2013
Filing Date:
September 29, 2011
Export Citation:
Assignee:
DAIHATSU MOTOR CO LTD
International Classes:
B21D3/10
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Yusuke Noguchi
Tsuyoshi Kumano
Yusuke Noguchi