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JP2019150865A |
To provide a metal-molding metal mold capable of, when press-molding a plate-like member configured by welding a plurality of metal plates, suppressing damage of a metal mold generated by a weld bead part formed by the plate-like member,...
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JP6556594B2 |
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JP6551523B2 |
[Solution] Provided is a press-working apparatus configured to provide a molded product by performing press working on a work, the molded product including, in a cross-section, a U-shaped portion including a bottom, a wall, and a punch-n...
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JP6551553B2 |
A press formed product includes a top panel part, vertical wall parts, and ridge line parts between the vertical wall parts and the top panel part, and includes a shape-changing part in a part of the ridge line parts. A producing method ...
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JP6551637B1 |
Provided is a press molding technique capable of reducing molding defects for a molded part having a hat-shaped cross section having a shape curved so as to be convex toward the flange portion when viewed from the side. The vertical wall...
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JP2019122983A |
To provide a heating method of a hot press steel plate capable of making a boundary between an area whose temperature is maintained to temperature less than hardening temperature, and an area whose temperature is heated to a temperature ...
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JP2019122984A |
To provide a heating method of a hot press steel plate capable of making a boundary between an area whose temperature is held to temperature less than hardening temperature, and an area whose temperature is heated to a temperature equal ...
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JP6549319B2 |
A high-frequency heating method for a hot stamping process includes: a first heating step of high-frequency heating a steel sheet, which has an aluminum (Al) coating layer formed on an iron (Fe)-based base material, to a first target tem...
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JP6548620B2 |
A hot press device according to the present disclosure includes a first press, a second press, a conveyance device linking the first press and the second press together, and a heating furnace provided within a conveyance range of the con...
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JP6544831B2 |
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JP6540248B2 |
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JP6542844B2 |
A servo motor controller comprises: a position command generation unit; a position detection unit; a position control unit that generates a velocity command for position control based on a position command and a position FB; a force comm...
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JP6537940B2 |
A first step of setting a steel material heated to a temperature not lower than an A 1 transformation point on a forming table and a second step of punching a ring-form member from the steel material and thereafter forming and quenching ...
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JP2019093393A |
To provide a hot press molding method capable of manufacturing a compact having suppressed dispersion of hardness.There is provided a hot press molding method for molding a heated component by using a molding tool. In the hot press moldi...
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JP6531266B2 |
To provide a metal component manufacturing method and a metal component manufacturing device which improve moldability more than a metal component manufacturing method and a metal component manufacturing device which undergo conventional...
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JP6531265B2 |
The manufacturing apparatus for a metal component includes: a preheating portion configured to locally induction-heat a metal plate; and a stamping portion configured to stamp the metal plate. The preheating portion includes a heating co...
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JP6528701B2 |
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JP6527544B2 |
To reduce warping of vertical wall portions without causing buckling during pressing. Press-forming into a hat cross-sectional shape having one linear vertical wall portion and the other curved vertical wall portion and not having a flan...
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JP6527543B2 |
A punch and a pad sandwiching a top sheet portion, bending blades for bend-forming the vertical wall portions, and stoppers facing the bending blades are provided. The punch is supported by a first cushion component. The bending blades e...
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JP6518847B1 |
A first press device presses a blank and has a pair of bent portions that bend to one side in the plate thickness direction, and the distance between the bent portions is narrower than the width of the top plate and equal to or greater t...
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JP6515288B2 |
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JP6500927B2 |
To reduce warping of vertical wall portions without causing buckling occurring in a component shape not having a flange portion. A punch and a pad sandwiching a top sheet portion therebetween in the sheet thickness direction, bending bla...
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JP6497150B2 |
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JP6495383B2 |
The invention provides manufacturing a partially reinforced press formed product with high corrosion resistance and weldability. First and second steel plates having aluminum-based plating films are heated to an austenite range temperatu...
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JP2019042780A |
To suppress the formation of a draw mark at a press molding while suppressing the lowering of a yield, in a press-molding metal mold.A press-molding metal mold comprises: a cope 10 in which a recess 11 and a substantially-flat grip face ...
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JP6485423B2 |
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JP6468369B2 |
The present invention provides a hot-stamping formed article which is long and formed of a single steel sheet, the hot-stamping formed article including: two standing wall portions; a top sheet portion adjacent to the two standing wall p...
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JP2019013936A |
To manufacture a press molded object which is excellent in corrosion resistance and has different tensile strengths depending on regions with less number of manufacturing steps.The whole steel sheet 1 having an aluminum-based plating fil...
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JP6458802B2 |
A pressed article manufacturing method employing a press mold equipped with a punch and a die to manufacture a pressed article including a first wall, a second wall extending out from an end portion on at least one length direction side ...
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JP6454330B2 |
Disclosed is a transporting device for transporting steel parts for hot forming and/or hardening, having transporting receptacles in which the steel parts are disposed and which are specified for transporting steel parts having temperatu...
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JP6447162B2 |
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JP6448587B2 |
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JP6450608B2 |
A heating method, a heating apparatus, and a method for manufacturing a press-molded article using the heating method are provided. Electrodes are placed on a workplace to extend across a heating target region in a first direction. At le...
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JP6446046B2 |
[Problem to be Solved] Targeting mass production, the present invention provides an advanced method of manufacturing pure niobium plate end-group components from pure niobium plate material for superconducting high frequency accelerator ...
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JP2018193589A |
To provide a work heating device capable of suppressing warping of a work due to heating.A work heating device (100) comprises heat sources (H1, H2) for radiating electromagnetic waves to a work (W10), a shield coupling member (50) for t...
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JP6429519B2 |
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JP6429095B2 |
An apparatus for forming a can end (124) in a forming press (100) having a fixed base (104) and an upper punch assembly (102) movable relative to the fixed base (104), the apparatus comprising:a draw punch (109) carried by the upper punc...
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JP2018183786A |
To mold a desired character line with no correction by suppressing the occurrence of line displacements in press molding.A method for suppressing line displacement suppresses the occurrence of a linear flaw in a vicinity of the boundary ...
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JP6425976B2 |
A device for hot stamping includes a lower mold having a shape corresponding to a bottom of a product material. An upper mold has a shape corresponding to a top of the product material and presses the product material with the lower mold...
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JP6424537B2 |
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JP6426485B2 |
To provide a lift-up force calculation method for theoretically calculating lift-up force during drawing bead press molding and a press molding analysis system and program for performing drawing bead press molding analysis with high prec...
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JP6427397B2 |
A heating method, a heating apparatus and a method for fabricating a press-molded article using the heating method is provided. A plate workpiece has a main heating target region having a cross sectional area monotonically varying in a f...
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JP6423740B2 |
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JP6417412B2 |
A metal piece having at least two areas of lower mechanical strength than the body of the piece, said pieces being respectively arranged on one side and the other of a longitudinal central section (PM) of said piece and alternatively loc...
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JP2018167301A |
To suppress deterioration in surface roughness of a member of a machine component after molding.A machine component manufacturing method includes: a first process (S1 to S8) in which a steel material is located between paired first metal...
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JP6415529B2 |
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JP6413997B2 |
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JP6407670B2 |
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JP2018158385A |
To provide a device for forming a collar on a workpiece made of a sheet metal such as a sheet metal plate.The invention relates to a device for processing a workpiece, the device comprising: a punch 1 on one side of the workpiece 4; a di...
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JP2018153825A |
To provide a method for molding a laminate by which a coating layer is prevented from being damaged due to a crack or the like.A method for molding a laminate is such one as to draw a laminate 4 provided with a coating layer 6 on the sur...
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