Patent classifications
B21D35/007
PLATED STEEL SHEET FOR HOT STAMPING AND HOT-STAMPED MEMBER
A plated steel sheet for hot stamping according to one aspect of the present invention includes a steel sheet, a plating layer formed on either surface or both surfaces of the steel sheet and having an Al content of 60 mass % or more, and a surface film layer formed on the plating layer. A thickness t of the plating layer is 10 to 60 ?m. An average crystal grain diameter of the plating layer in a thickness range from an interface between the plating layer and the surface film layer to a position at ? of the thickness t is 2t/3 or less and 15.0 ?m or less. A surface film layer contains particles containing one or more elements selected from A group elements consisting of Sc, V, Mn, Fe, Co, Ce, Nb, Mo, and W. A total content of the A group elements is 0.01 to 10.0 g/m.sup.2. An average grain diameter of the particles containing the A group elements is 0.05 to 3.0 ?m.
Speaker grille for vehicle and manufacturing method thereof
A speaker grille for a vehicle includes a steel plate, an adhesive layer formed on the steel plate, and a metal sheet layer formed on the adhesive layer. The speaker grille is configured such that the steel plate, the adhesive layer, and the metal sheet layer are stacked in sequence. The speaker grille has a plurality of holes formed through the speaker grille, and the holes may be formed by punching. A method of method for manufacturing the speaker grille can include a step of manufacturing a stack by forming the adhesive layer on the steel plate and forming the metal sheet layer on the adhesive layer; and a step of forming the plurality of holes through the stack by perforating the stack.
Shaping method and shaping device for double pipe
A shaping method for a double pipe includes: bending the double pipe with a specified curvature to form a bent portion in the double pipe; and arranging the bent portion on a first shaping die having a first shaping surface at a position biased inward or outward in a curvature radius direction of the bent portion relative to the first shaping surface, wherein the first shaping surface is configured to shape a first outer surface of both outer surfaces of the bent portion that are located on both sides of a plane including a central axis of the bent portion, and pressing the bent portion arranged on the first shaping die by a second shaping die having a second shaping surface configured to shape a second outer surface of the both outer surfaces of the bent portion.
Hot press-formed part, and manufacturing method thereof
The present disclosure provides a hot-press formed part comprising a plated steel sheet and an aluminum alloy plated layer formed on the plated steel sheet, wherein the aluminum alloy plated layer comprises: an alloying layer (I) formed on the plated steel sheet and containing, by weight %, 5-30% of Al; an alloying layer (II) formed on the alloying layer (I) and containing, by weight %, 30 to 60% of Al; an alloying layer (III) formed on the alloying layer (II) and containing, by weight %, 20-50% of Al and 5-20% of Si; and an alloying layer (IV) formed continuously or discontinuously on at least a part of the surface of the alloying layer (III), and containing 30-60% of Al, wherein the rate of the alloying layer (III) exposed on the outermost surface of the aluminum alloy plated layer is 10% or more.
Method and system for manufacturing hybrid component
The present disclosure relates to a system for manufacturing a hybrid component including a first thermal supplier configured to heat a steel plate, a rolling roll for undercut configured to pressurize the steel plate heated by the first thermal supplier, and to form an undercut on one surface of the steel plate, a first molding roll configured to pressurize the steel plate formed with the undercut to mold the steel plate in a shape of a component to be manufactured, a composite material feeder configured to supply a composite material tape to be seated on one surface of the steel plate formed with the undercut through the first molding roll, and a composite material pressurization roll configured to pressurize the steel plate on which the composite material tape is seated.
SURFACE-TREATED STEEL SHEET PART HAVING CUT END SURFACE, AND CUTTING METHOD THEREFOR
With regard to a part having a cut end surface using a surface-treated steel sheet as the source material, provided are a part for which the cut end surface has excellent durability, and a cutting method therefor. In this part that includes a cut end surface consisting of a surface-treated steel sheet that has been cut, the shape of the cut end surface is such that the length of a first shear droop occurring in the sheet thickness direction is at least 0.10 times the sheet thickness of the surface-treated steel sheet, and the length of a second sheer droop occurring in the planar direction is at least 0.45 times the sheet thickness of the surface-treated steel sheet. Furthermore, in the cutting process a die is used for which the clearance between the punch and the die is 1-20% of the plate thickness of the surface-treated steel plate, and the shoulder portion of the die and/or the punch is provided with a radius of curvature of at least 0.12 times the plate thickness of the surface-treated steel plate.
Methods for the production of workpieces
A method for the production of workpieces includes positioning and holding a first plate-shaped material with a gripping device in a working region of a processing station so that the first plate-shaped material is moveable relative to a workpiece support, positioning and holding a second plate-shaped material with an additional gripping device in the working region of the processing station so that the second plate-shaped material is moveable relative to the workpiece support, producing a first workpiece part from the first plate-shaped material, positioning the first workpiece part with respect to the second plate-shaped material, connecting the first workpiece part to the second plate-shaped material or to a second workpiece part produced from the second plate-shaped material, wherein the second workpiece part is at least partially processed, and finishing the at least the second workpiece part that is connected to the first workpiece part in the processing station.
FORMING A NON-PLANAR COMPOSITE
Examples are disclosed that relate to composites and methods for forming non-planar composites. In one example, a method comprises: providing a first non-planar metallic skin and a second non-planar metallic skin, providing a substantially planar polymer core between the first non-planar metallic skin and the second non-planar metallic skin, and using the first non-planar metallic skin and the second non-planar metallic skin (1) to deform the core between the first non-planar metallic skin and the second non-planar metallic skin and (2) to bond the core to one or more of the first non-planar metallic skin and the second non-planar metallic skin.
ASSEMBLY FOR MANUFACTURING A METAL PART AND USE OF SUCH AN ASSEMBLY
A manufacturing assembly for manufacturing a metal part comprises a flattening module having a trolley and at least one pressing roller. The flattening module is movable along a stapling line of the metal part. The flattening module comprises at least one pressing actuator that is arranged to move the at least one pressing roller in a determined pressing direction relative to the trolley and to place the pressure roller bearing against the free surface such that the at least one pressing roller exerts pressure on the free surface in said determined pressing direction. The pressure increases auto-adaptively with an altitude of the free surface in a direction opposite the determined pressing direction.
METHOD FOR PRODUCING A PRESSURE VESSEL
The present invention relates to a method of manufacturing a pressure vessel.