Tandem press line, operation control method for tandem press line, and work transportation device for tandem press line

A rotating speed of a main motor of a second press is regulated so that an angular difference between a press angle of a first press and a press angle of a second press is constant. Further, when the work is carried-out from the first press, a work transportation device is controlled based on a pres...

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Main Author Takayama, Yukiyoshi
Format Patent
LanguageEnglish
Published 30.09.2008
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Abstract A rotating speed of a main motor of a second press is regulated so that an angular difference between a press angle of a first press and a press angle of a second press is constant. Further, when the work is carried-out from the first press, a work transportation device is controlled based on a press angle of the first press. When the work is carried-in into the second press, the work transportation device is controlled based on a press angle of the second press. Further, when the work is transported, the work transportation device is controlled based on a signal from a transportation device control section for controlling the work transportation device. The arrangement above improves production efficiency in press forming and reduces maintenance cost and frequency.
AbstractList A rotating speed of a main motor of a second press is regulated so that an angular difference between a press angle of a first press and a press angle of a second press is constant. Further, when the work is carried-out from the first press, a work transportation device is controlled based on a press angle of the first press. When the work is carried-in into the second press, the work transportation device is controlled based on a press angle of the second press. Further, when the work is transported, the work transportation device is controlled based on a signal from a transportation device control section for controlling the work transportation device. The arrangement above improves production efficiency in press forming and reduces maintenance cost and frequency.
Author Takayama, Yukiyoshi
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References Kawamoto (7210326) 20070500
Takayama (5970763) 19991000
Kawamoto (7219525) 20070500
(48-2456) 19730100
(2003-200231) 20030700
Heiberger et al. (4378592) 19830300
Orii (4414887) 19831100
(2-99298) 19900400
Takayama (5913932) 19990600
Kawamoto (2005/0056077) 20050300
Numba (3948162) 19760400
Shiroza (6701769) 20040300
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Snippet A rotating speed of a main motor of a second press is regulated so that an angular difference between a press angle of a first press and a press angle of a...
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Title Tandem press line, operation control method for tandem press line, and work transportation device for tandem press line
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