Method and apparatus for manufacturing a press-formed object
AssigneeDenso Corporation
InventorsMikiya Kurita, Shouichi Takenouchi, Kouichi Ohta, Katsumi Nagasaka, Motofumi Kuzuno, Hiroyuki Dekita
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Abstract
To achieve this and other objects, a first and second aspect of the present invention provides a first step of press forming first holes in a sheet while feeding the sheet one way through a press. A second step is provided wherein second holes in the sheet are formed while feeding the sheet in the opposite direction to that of the first step. A third step is provided which cuts the sheet to predetermined dimensions.
Claims10
A method for manufacturing a plurality of press-formed objects having different sized holes, said method comprising:
- feeding a sheet of material through a press in a first direction, said press forming a plurality of first holes in said sheet;
- feeding said sheet of material through said press in a second direction, said press forming a plurality of second holes in said sheet;
- and
- cutting said sheet to form said plurality of press formed objects.
A method for manufacturing a press-formed object having a plurality of first holes and a plurality of second holes, said method comprising the steps of:
- continuously press-forming said first plurality of holes in a sheet while feeding the sheet into a press in a first direction, said press forming said first plurality of holes at an angle with respect said sheet;
- continuously press-forming said second plurality of holes in said sheet while feeding said sheet through said press in an opposite direction to said first direction to form said plurality of second holes in said sheet;
- and
- cutting said sheet to form a plurality of said press formed objects.
A press apparatus for forming first holes and second holes in a coil work piece by punching said work piece from different directions, comprising:
- a die unit having a first die set, said first die set having a punch positioned in a die for punching the first and second holes in said sheet;
- a feed mechanism which feeds said sheet in a first direction through said first die set to form said first holes and a second direction through said die set to form said second holes;
- and
- a table unit supporting said first die unit and rotating said die unit with respect to the sheet to switch between forming said first holes and said second holes.
Dependencies are inferred from the claim text.