A die set for forming a panel having a surface includes a stationary die, a moveable die, and a clamp attached to the stationary die to secure a panel blank. The moveable die includes a moveable brazing formation surface and the stationary die includes a stationary brazing formation surface for forming the surface. One of the moveable and stationary dies includes a male bead forming portion, and the other includes a female bead forming portion for forming a bead. The male and female bead forming portions extend in a continuous and uninterrupted, generally parallel relationship with the moveable and stationary brazing formation surfaces. The male and female bead forming portions are operable to engage the panel blank during movement of the moveable die to induce tensile forces in both a first direction parallel to a path of the surface and a second direction transverse to the path.

Press-working apparatus, monitoring device, and method of operating a press-working apparatus with a press-working monitoring device and one or more displacement sensors including a first displacement sensor comprising a first primary attachment part mounted on a first part of the press-working apparatus, a first secondary attachment part mounted on a second part of the press-working apparatus, and a first sensing part, the first sensing part being arranged between the first primary attachment part and the first secondary attachment part, wherein the first displacement sensor is configured to provide a first output signal indicative of deformation of the first sensing part is disclosed. The method comprises: obtaining the first output signal from the first displacement sensor while moving the first part and the second part along a main axis in relation to each other, thereby deforming the first displacement sensor; determining if an error criterion based on the first output signal from the first displacement sensor has been met; and providing a control signal indicative of an error to the press-working apparatus if the error criterion is met.

A method for manufacturing a pressed component including an elongated top plate, a wall having one end connected to a short direction end portion of the top plate, that curves with a convex shape bowing toward an opposite side to the top plate as viewed from an upper side of the top plate, and that includes a sharp curve portion, and a flange that is connected to another end of the wall, and that extends in a plate thickness direction of the wall toward the opposite side to the top plate side. The manufacturing method includes pressing to form an intermediate formed component including a preliminary flange and pressing to deform the preliminary flange to form the preliminary flange into the flange.

A method for manufacturing a pressed component including an elongated top plate, a wall having one end connected to a short direction end portion of the top plate, that curves with a convex shape bowing toward an opposite side to the top plate as viewed from an upper side of the top plate, and that includes a sharp curve portion, and a flange that is connected to another end of the wall, and that extends in a plate thickness direction of the wall toward the opposite side to the top plate side. The manufacturing method includes pressing to form an intermediate formed component including a preliminary flange and pressing to deform the preliminary flange to form the preliminary flange into the flange.

There is provided a method of manufacturing a cylindrical container using a metal sheet on at least one surface of which the metal is exposed. The method includes: obtaining a blank having a hexagonal shape from the metal sheet; and processing the blank into a cylindrical shape by pressing a central part of the blank with a punch in a state in which a peripheral part of the blank is clamped between a die for drawing process and a blank holder. The method is characterized by the following features. At least one of the die for drawing process and the blank holder has a groove-formed area at a portion of a surface thereof. The portion corresponds to a side of the blank. The groove-formed area is formed with a plurality of grooves along the circumferential direction. The blank is processed into the cylindrical shape by clamping the peripheral part of the blank between the die for drawing process and the blank holder so that the surface of the blank on which the metal is exposed is in a state of facing the groove-formed area and the side of the blank is in a position that corresponds to the groove-formed area.

There is provided a method of manufacturing a cylindrical container using a metal sheet on at least one surface of which the metal is exposed. The method includes: obtaining a blank having a hexagonal shape from the metal sheet; and processing the blank into a cylindrical shape by pressing a central part of the blank with a punch in a state in which a peripheral part of the blank is clamped between a die for drawing process and a blank holder. The method is characterized by the following features. At least one of the die for drawing process and the blank holder has a groove-formed area at a portion of a surface thereof. The portion corresponds to a side of the blank. The groove-formed area is formed with a plurality of grooves along the circumferential direction. The blank is processed into the cylindrical shape by clamping the peripheral part of the blank between the die for drawing process and the blank holder so that the surface of the blank on which the metal is exposed is in a state of facing the groove-formed area and the side of the blank is in a position that corresponds to the groove-formed area.

A method of forming a surface in a panel includes positioning a panel blank between a stationary die and a moveable die of a die set, and moving the moveable die toward the stationary die to deform the panel blank therebetween. Positive stresses in the panel blank are maintained in the region of the panel blank that will form the surface by forming a bead along a length of the surface to be formed in the panel blank, as the moveable die moves toward the stationary die. The moveable die continues to move toward the stationary die, while maintaining positive stresses in the panel blank in the region of the panel blank that will form the surface, to further deform the panel blank into a formed shape that includes the surface.

A method of forming a surface in a panel includes positioning a panel blank between a stationary die and a moveable die of a die set, and moving the moveable die toward the stationary die to deform the panel blank therebetween. Positive stresses in the panel blank are maintained in the region of the panel blank that will form the surface by forming a bead along a length of the surface to be formed in the panel blank, as the moveable die moves toward the stationary die. The moveable die continues to move toward the stationary die, while maintaining positive stresses in the panel blank in the region of the panel blank that will form the surface, to further deform the panel blank into a formed shape that includes the surface.

A method of manufacturing a press-formed article includes first press forming and second press forming. In the first press forming, an intermediate formed article is formed from a metal sheet by subjecting the metal sheet to processing including performing draw-forming on the metal sheet to form a peripheral wall portion, bending the metal sheet to form a convex flange portion, and bending the metal sheet to form at least a side standing flange main body portion of a side standing flange portion and a floor flange main body portion of a floor flange portion. The second press forming includes bending the intermediate formed article to form the convex flange portion to an inclined flange portion.

A method of manufacturing a press-formed article includes first press forming and second press forming. In the first press forming, an intermediate formed article is formed from a metal sheet by subjecting the metal sheet to processing including performing draw-forming on the metal sheet to form a peripheral wall portion, bending the metal sheet to form a convex flange portion, and bending the metal sheet to form at least a side standing flange main body portion of a side standing flange portion and a floor flange main body portion of a floor flange portion. The second press forming includes bending the intermediate formed article to form the convex flange portion to an inclined flange portion.