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WO/1993/001901A1 |
A linear electromagnetic actuator (22, 22') has its core (26, 26') mounted to a can body forming apparatus (10) and its coil (28) attached to re-draw sleeve (14) of such apparatus (10). The actuator (22, 22') provides for the axial movem...
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WO/1993/001012A1 |
A die cushion system in a press, which can be constructed at low cost with a compact and simple arrangement, comprises: a pad disposed in a bed and supporting a lower die from below; and a cushion mechanism for supporting the pad and for...
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WO/1992/022392A1 |
In a die cushion pin pressure equalizing system wherein a plurality of die cushion pins are provided in the bolster of a press machine, pressure equalizing hydraulic cylinders supported by die cushions are respectively provided downwardl...
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WO/1992/022391A1 |
In a die cushion pin pressure equalizing system wherein a plurality of die cushion pins are vertically movably provided in the bolster of a press machine, pressure equalizing hydraulic cylinders supported by die cushions are respectively...
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WO/1992/007711A1 |
An object of the present invention is to provide a die cushion device of a press machine, wherein preliminary acceleration can be applied to a die cushion pad following the descent of a slide at an accurate timing and with high accuracy,...
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WO/1992/004142A1 |
A can body maker apparatus including a stationary support frame (12); a housing (20) having forming and ironing dies located therein mounted on the support frame; an elongated ram (30); a reciprocating ram drive (40); and a redraw assemb...
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WO/1991/008065A1 |
Apparatus for forming sheet metal blanks (80) within a press (10) having base and outer (11) and inner (12) slides and including a basic die (15, 16, 17, 18) mountable to the press and tooling (25, 51) mountable to the basic die. The bas...
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WO/1990/009851A1 |
A redraw apparatus (16) is provided for a can body making apparatus wherein the redraw carriage (40) of the redraw apparatus (16) is mounted for substantially friction-free sliding reciprocating movement over a pair of spaced apart suppo...
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WO/1990/000943A1 |
In a press for manufacturing sheet metal preforms in several stages, the die cushions (10) are arranged in a frame. The frame forms a unit (6, 6') which can be detachably connected to the press frame (1) and which is selected from a numb...
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WO/1989/002794A1 |
A system for trimming a can body wherein a can body (12, 212) is positioned within a cutting member (26, 226) so that the cutting member (26, 226) is at the location where the can body (12, 212) is to be trimmed. A resilient, deformable ...
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WO/1989/002793A1 |
A power press, used for forging, stamping and forming metal workpieces, provided with a cushioning system including die cushion combined with snubbers and intensifiers and counterbalances. During the operation of a press, abrupt changes ...
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WO/1988/005724A1 |
To drive two toggle levers (29, 29') of a press, in particular a high frequency cutting press with at least 400 strokes per minute, two separate but mutually synchronized drives (101, 101') are provided to ensure a uniform, non-wobbling ...
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WO/1987/002919A1 |
A punch and die assembly for trimming the flared end of a can body comprises a reciprocable punch (10), and a split die (15) consisting of two semi-circular segments (14, 16) movable between an open position allowing infeed of article (A...
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WO/1983/000821A1 |
The drawing device is provided with a mechanical operated punch (24) and with a hold-down clamp (5) of which the clamping force acting in a fixed cylinder (12) is exerted on the metal sheet (27) against the drawing direction through a su...
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WO/1983/000822A2 |
The machine for the manufacture of cams from sheet metal has a press stern (10) which is surrounded by a number of ram assemblies (11) carrying dies (12) cooperating with punches (13) attached to bolster (14) of circular shape. A cylindr...
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WO/1981/002399A1 |
A blank and draw press tool (11) for a press for blanking and drawing an article from sheet metal comprising a stationary first die part (13) which carries a cutting or blanking die (34) having a peripheral edge (15) corresponding in sha...
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WO/1980/001253A1 |
A method of making hollow articles by deep-drawing under changing fluid-pressure. A press (3) for making hollow articles by deep-drawing comprises a high pressure vessel (1) with a female (3) and a male (4) dies therein. The workpiece (1...
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JP2024060847A |
An object of the present invention is to provide a press mold that can easily adjust variations in warpage of a plate-shaped component. [Solution] The press mold includes a punch 29 for providing ribs on a plate-shaped part W to be press...
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JP7477754B2 |
To provide a heating furnace which enables an atmosphere around a heated object while the same is heated to be easily controlled.A heating furnace comprises: a furnace body; a forward-and-backward section which can be moved forward and b...
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JP7477809B2 |
Provided is a mold capable of manufacturing, by hot-press molding, a hot-press molded article having excellent shock absorption ability. A mold (10) according to the present disclosure is provided with an upper mold (11) having a first m...
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JP7476935B2 |
The present invention relates to a method for manufacturing a press-formed product 1 that is curved in top view and has at least a top plate part 3 and a vertical wall part 5 continuous from the top plate part 3, the method reducing an e...
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JP7475230B2 |
To suppress pressure drop in a channel of air while supplying the air to a ram shaft through the inside of a reciprocating liner motion mechanism, and to stably release a can after molding from a punch.A reciprocating linear motion mecha...
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JP7475213B2 |
To provide a press forming method for a metal plate, by which spring back can be further suppressed compared to a conventional method.A press forming method for a metal plate 1, in which a metal plate 1 is disposed between a die 31 and a...
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JP2024057061A |
An object of the present invention is to appropriately perform various types of processing on a workpiece in a press processing device. [Solution] A press working device that performs press working on a plate-like member 50 that is a wor...
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JP7473381B2 |
To solve such a problem that conventional press forming causes an SS mark in a thin sheet and which results in inferior quality depending on a raw material of a thin sheet, the production condition thereof and the like at press forming.A...
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JP7471641B2 |
To provide warm press forming apparatus and method which directly heat a tip portion of a punch that is brought into contact with a workpiece to turn a processing region of the workpiece into a warm state selectively.A warm press forming...
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JP2024516511A |
a gas cylinder assembly (400) including an outer tube (500) and a cylinder sleeve (410), an atomized non-solid lubricant (700) flowing into a cylinder sleeve (410) of the gas cylinder assembly (400); a manifold system (100) used to at le...
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JP2024052585A |
An object of the present invention is to provide a technique that can accurately apply a load to a predetermined portion within a mold even if different press devices are used. [Solution] A press molding device 10 and a press molding met...
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JP2024052586A |
An object of the present invention is to provide a press forming method that can both prevent local elongation of the drawn part and prevent the occurrence of wrinkles. [Solution] The press molding method includes a forming step of formi...
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JP7463987B2 |
To provide a die cushion device of a press machine that is equipped with a locking mechanism that can be easily installed in an existing die cushion device and can easily secure a function of temporarily stopping a cushion pad.A die cush...
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JP7458133B2 |
To form a different thickness steel plate having a corrugated shape portion into a prescribed shape by a single press forming operation without causing defective forming.A press forming metallic mold 20 is used for press forming a differ...
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JP2024039227A |
[Problem] To improve the dimensional accuracy of press-formed products. A method for manufacturing a press-formed product K3 includes a placement step (e) of arranging an intermediate molded product K2, and pressing steps (f) to (h) of p...
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JP7454433B2 |
To provide a method of manufacturing a hat-shaped formed part allowing for reducing the occurrences of wrinkles within a product in a neighborhood of an end of a metal sheet not held by a blank holder and further inhibiting damages to a ...
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JP2024030177A |
An object of the present invention is to provide a positioning structure for a pressed material and a method for positioning a pressed material, which can suppress a decrease in strength of a press-formed product while allowing shrinkage...
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JP7425392B1 |
An object of the present invention is to improve both the slow temperature rise rate of the overlapping part and the fact that one sheet part is heated for an excessive period of time when Al-based plated steel sheets are used as a mater...
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JP7421847B2 |
To prevent a molding failure such as a crack or wrinkle on a molding.A press molding method includes a preliminary molding step of molding part of a blank 17 before a punch 11 comes into contact with the blank 17.SELECTED DRAWING: Figure 8
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JP7419224B2 |
The die cushion device includes a first hydraulic cylinder 120 for supporting a cushion pad 110, and a first hydraulic circuit 140-1 for driving the first hydraulic cylinder 120. The first hydraulic circuit 140-1 is a hydraulic closed ci...
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JP7417069B2 |
To provide a method for manufacturing a molding material, capable of improving the inner diameter precision of a trunk, and reducing a risk of trim deficiency.A method for manufacturing a molding material includes manufacturing a molding...
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JP2024006554A |
The present invention provides a method for manufacturing a press-formed product that sufficiently suppresses wrinkles caused by shrinkage flange deformation and is applicable to bending. [Solution] The method for manufacturing a press-f...
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JP2024006565A |
[Problem] Conventional sequential molding methods have a problem in that it is difficult to improve the shape accuracy of molded products. [Solution] In a sequential forming method in which a metal plate W is formed into a three-dimensio...
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JP7403794B2 |
To provide a double-acting press die that can shorten a distance between upper and lower dies by driving a punch separately inside a die and can be fitted to an existing press device.A double-acting press die includes: a deep drawing die...
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JP2023179918A |
To provide a press molding method and a press die for the same which can decrease cracking due to elongation of a press part and improve shape freezing property when one side wall part of a hat-shaped cross section shape part of the pres...
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JP7401775B2 |
To inhibit breakage of the burring-subjected part.An initial-burring part 51 comprises: a plurality of first inclined wall surfaces 54 circumferentially arranged, inclined with respect to an axis O, and becoming larger while being separa...
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JP2023178858A |
To provide a press molding method and a press molding apparatus capable of suppressing generation of cracks and winkles together in a press molding formed into a hat shape in section.A press material S is press-molded to acquire a press ...
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JP7399905B2 |
To restrain formation of wrinkles on a management surface without increasing press processing load during press-molding of a press molding having a management surface that requires molding accuracy, by providing a clearance for receiving...
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JP7397382B2 |
A mold (1) is provided with a mold main body (11) including an upper mold (111) and a lower mold (112), and a cooling means (12). At least one of a forming surface (113) of the upper mold (111) and a forming surface (115) of the lower mo...
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JP7395779B1 |
An object of the present invention is to provide a mold device that can provide convenience to related parties. [Solution] A mold device 1 is a mold device that is attached to a press machine and press-works a workpiece (coil material W)...
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JP2023551083A |
The present invention includes a step of charging a blank into a heating furnace; a step of heating the blank; and a step of transferring the heated blank from the heating furnace to a mold; and an air-cooling time of the blank in the st...
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JP7390222B2 |
To increase productivity of a product by eliminating dismantling work on a product and removal working on a joint trace on the product.A die set 10 comprises a push-up part 34 for pushing up a product part Wm relative to a remainder mate...
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JP7388512B1 |
An object of the present invention is to provide a can manufacturing method that performs air assist, which allows a punch to be smoothly removed from a processed can by appropriately performing air assist. [Solution] A method for manufa...
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