Title:
プレスブレーキ制御装置、プレスブレーキ制御方法、及び金型
Document Type and Number:
Japanese Patent JP6638022
Kind Code:
B2
Abstract:
When a sheet metal is sandwiched between a punch held by a punch holder and a die held by a die holder to bend the sheet metal at a set bending angle by moving the punch toward the die, a stroke calculation unit (202) calculates a stroke (St) of the punch for bending the sheet metal at the bending angle in consideration of a spring back amount of the bent sheet metal. A bending load calculation unit (203) calculates a bending load (BF) required to bend the sheet metal at the bending angle. A punch deflection amount calculation unit (206) calculates a punch deflection amount (d206) according to the bending load (BF). A punch holder deflection amount calculation unit (207) calculates a punch holder deflection amount (d207) according to the bending load (BF). A depth value calculation unit (210) calculates a depth value (D210) by adding at least the punch deflection amount (d206) and the punch holder deflection amount (d207) to the stroke (St).
Inventors:
Kim Shun
Yohei Fuchinoue
Hitoshi Omata
Yohei Fuchinoue
Hitoshi Omata
Application Number:
JP2018101219A
Publication Date:
January 29, 2020
Filing Date:
May 28, 2018
Export Citation:
Assignee:
Amada Holdings Co., Ltd.
International Classes:
B21D5/02
Domestic Patent References:
| JP9192746A | ||||
| JP10109115A | ||||
| JP2016530102A | ||||
| JP6344200A | ||||
| JP3071922A |
Foreign References:
| WO2011096442A1 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu