EP3439807A1 - Procédé et dispositif de formage d'un demi-produit - Google Patents

Procédé et dispositif de formage d'un demi-produit

Info

Publication number
EP3439807A1
EP3439807A1 EP17714440.9A EP17714440A EP3439807A1 EP 3439807 A1 EP3439807 A1 EP 3439807A1 EP 17714440 A EP17714440 A EP 17714440A EP 3439807 A1 EP3439807 A1 EP 3439807A1
Authority
EP
European Patent Office
Prior art keywords
semifinished product
molding
forming
fixing
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17714440.9A
Other languages
German (de)
English (en)
Inventor
Michael BRÜGGENBROCK
Thomas Flehmig
Lothar HÖMIG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Original Assignee
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Steel Europe AG, ThyssenKrupp AG filed Critical ThyssenKrupp Steel Europe AG
Publication of EP3439807A1 publication Critical patent/EP3439807A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/12—Edge-curling
    • B21D19/14—Reinforcing edges, e.g. armouring same
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/22—Deep-drawing with devices for holding the edge of the blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles

Definitions

  • the present invention is based on a method for forming a semifinished product, wherein in a provisioning step, the semifinished product is provided and subsequently formed.
  • DE 698 06 887 T2 discloses a method for forming a semifinished product, wherein the semifinished product is reshaped such that a thickness of the deformed semifinished product first decreases abruptly toward an edge of the semifinished product and then increases suddenly.
  • DE 39 91 692 T1 and DE 10 2006 005 964 B3 each disclose a method for forming a semifinished product, wherein the semifinished product is reshaped such that a thickness of the deformed semifinished product increases abruptly towards an edge of the semifinished product.
  • DE 199 57 076 B4 discloses a method for punching and forming a semifinished product, wherein the semifinished product is perforated and reshaped in a method step such that a thickness of the perforated and deformed semifinished product increases abruptly towards an edge of the semifinished product.
  • the cold and hot forming of ultra-high strength steels is a major contribution to lightweight steel construction.
  • the process chain usually also includes a component trimming and a punching, which is carried out in the case of high material strengths with special tools or in a laser cell.
  • a component trimming and a punching which is carried out in the case of high material strengths with special tools or in a laser cell.
  • mechanical trimming or perforations not infrequently the cut quality with respect to the cut surface is low. Cuts and perforations known from the prior art usually have the disadvantage that edges of the cuts and perforations are susceptible to cracks or have a low resistance to crack formation and crack propagation. This is explained, for example, by the fact that the edges of the cuts have microscopically small notches.
  • This object is achieved in that in a solid forming step, a molding region of the semifinished product is reshaped such that a thickness of the deformed molding region steadily increases towards an edge of the semifinished product.
  • the method according to the invention for forming a semifinished product has the advantage over the prior art that the mechanical properties of the formed semifinished product can be adjusted in a particularly targeted manner by means of the thickness of the deformed molding area, which increases steadily to the edge of the semifinished product.
  • the method according to the invention it is advantageously possible with the method according to the invention to increase the carrying capacity of the formed semi-finished product compared to the prior art. This is achieved, in particular, by the method according to the invention being able to selectively adjust the thickness of the semifinished product in the area of the deformed molding area. In this way, it is particularly advantageously possible to match the thickness of the deformed molding region or a thickness profile of the deformed molding region substantially parallel to a main plane of extension of the semifinished product to the stress distribution which is likely to occur in the region of the edge during operation of a component produced by means of the present invention.
  • edge geometry and edge formation can be designed so that the edge crack sensitivity is reduced and the load capacity is increased with the inventive method by using material-inherent material in perforations, notches and / or edges of components or boards.
  • the method according to the invention can be increased during the production of a component at the desired locations by local accumulation of material on the outer or inner edges (recesses and / or holes) of the component or its board, the sheet thickness of said edges.
  • the spatial extent of the thickening is directly dependent on the provided material surplus and the shaping method.
  • a further advantage of the method according to the invention is that a calibration of the component produced by the method according to the invention is made possible with the aid of the specifically shaped forming area.
  • the semifinished product preferably consists of a high-strength steel, particularly preferably of a high-strength lightweight structural steel.
  • the molding region comprises a subregion of the semifinished product, preferably an edge region of the semifinished product.
  • the deformed molding region preferably comprises the molding region formed by plastic deformation (massive molding).
  • the thickness is preferably an extension of the semifinished product substantially perpendicular to a main extension plane of the semifinished product.
  • the thickness of the semi-finished product provided is preferably substantially constant.
  • the thickness of an integrally formed semifinished product is substantially constant, in which case the thickness is preferably an expansion of the semifinished product substantially perpendicular to a main extension surface.
  • the main extension surface extends in the semi-finished product provided along the main extension plane and in the molded and formed semi-finished product at least partially outside the main extension plane.
  • the edge is preferably an interface, particularly preferably an edge, of the formed semifinished product.
  • the edge in the main plane of extension is rectilinear, convex and / or concavely curved.
  • the process according to the invention is preferably carried out within a process for the production of very high-strength structural components with edge and / or hole reinforcements.
  • the semifinished product in a fixing step, is fixed.
  • the semifinished product does not slip in a method step following the fixing step and, if necessary, at the same time enables the semifinished product to be formed only outside a fixing region of the semifinished product during a subsequent molding of the molding region of the semifinished product.
  • the fixing step is carried out at least partially after the provisioning step, wherein the solid forming step is carried out at least partially after the fixing step.
  • the fixing step and the massive forming step are carried out at least partially simultaneously. This advantageously makes it possible for the semifinished product to be essentially fixed and reshaped within a method step. This allows a reduction in the production time in comparison to a successive performing the fixing and massive forming step and thus enables a particularly cost-saving process.
  • the semifinished product in a molding step, is formed.
  • the semifinished product is formed in a molding step.
  • the molding step is carried out at least partially in time after the provisioning step, wherein the solid molding step is carried out at least partially in time after the molding step.
  • the molding step is carried out at least partially in time after the fixing step, wherein the solid molding step is carried out at least partially in time after the molding step.
  • the fixing step and the molding step are carried out at least partially simultaneously.
  • the semifinished product preferably a fixing region of the molded semifinished product
  • the renewed fi xier suits time after the Anform suits and temporally before the massive forming step is performed.
  • the semifinished product is advantageously possible for the semifinished product to be at least partially fixed for the massive forming step, and thus only the molding region of the semifinished product to be formed in the massive forming step.
  • a plastic deformation of the molding area is made possible, without resulting in the fixing region of the semifinished product to a plastic deformation of the fixing region leading mechanical stresses during the solid forming step or introduced into the fixing.
  • the inventive method is particularly advantageous over known from the prior art multi-stage manufacturing process of randberoughELI components in which a minimal form board is provided, which contains a material reserve by additional length portions in all cross-sectional areas and is subjected to a compressive stress over the entire board, which a small material thickening leads to the flat areas of the component thus produced.
  • a compressive stress overlay generated in the massive forming step is used for calibrating the deformed semifinished product and the springback of the component is minimized.
  • the molding region of the semifinished product in the solid forming step is reshaped such that the center of mass of the molding region after the massive forming step is arranged further in the direction of the edge than before the massive forming step.
  • the molding region of the semifinished product in the solid-forming step is reshaped such that the center of mass of the molding region is arranged further in the direction of the edge before the massive molding step than after the massive molding step.
  • a redistribution of material of the semifinished product from a cutting edge or from a waste area and in the direction of the interior of the semifinished product is thus made possible.
  • the massive forming step comprises a cold forming step, a warm forging step or a hot working step.
  • the hot-forming step comprises a tailored tempering step.
  • the massive forming step comprises a recrystallization annealing step, wherein the semifinished product, preferably the deformed molding region, is at least partially recrystallization annealed.
  • the molded semi-finished product is removed from the device, preferably in time after the molding step.
  • the shaped semi-finished product is removed from the device, preferably after the massive forming step.
  • Another object of the present invention is a device for forming a semifinished product, in particular according to a method according to the invention, wherein the device comprises a mold, wherein the mold is formed such that a Anform Scheme the semifinished product is deformable such that a thickness of the deformed Anform Schemes to steadily increasing towards one edge of the semifinished product.
  • the advantages of the method according to the invention also apply correspondingly to the device according to the invention.
  • the mold comprises a first mold punch and a second mold punch.
  • the first die punch and the second punch die are formed such that the geometric shape or a spatial extent of the deformed Anform Schemes can be determined.
  • the first die punch and the second punch die are formed such that the spatial arrangement of the deformed Anform Schemes relative to a non-deformed region of the semifinished product can be determined.
  • the thickening side can be selected by the design of the molding tools (inside / outside / center).
  • the device comprises a fixing tool, wherein the fixing tool is designed such that the semifinished product is fixable.
  • a further advantage of the method according to the invention and of the device according to the invention is that the rigidity of the component produced from the semifinished product and in particular, of course, the edge itself increases.
  • Another advantage is that the targeted reshaped molding area or thickening, the application of further shaping methods, such as. the thread forming or edge widening allow. Additional positive effects also result from the reduction in edge crack susceptibility. As a result, for example, both the fatigue strength of the component is increased and increases the drawability of Grenz sectionen thermoforming components.
  • the rim or edge is formed on hardened and preferably polished tool geometries, thereby reducing the micro-notches and enabling higher (smoother and defined) loads.
  • the targeted adjustment of the deformed Anform Schemes or by the concentrated at the edge or at outer edges thickening to increase the rigidity of the component produced by the method according to the invention and thus for example to reduce the length of flanges or this whole omit.
  • space can be gained and allow a particularly weight-saving design method.
  • the method according to the invention to partially avoid inner measures on measures such as the use of washers or the welding of thickening areas.
  • the solid forming step or the thickening either before the molding of the component (for example on a circuit board) or before the molding, i. time before the molding step, during the molding of the component or during the molding, i. temporally during the molding step, or after the molding of the component or after molding, i. time after the Anform suits, is performed.
  • FIG. 1 shows a flow chart according to an exemplary method of the present invention.
  • Figure 2 to Figure 7 are schematic views according to an exemplary embodiment and their production of another object of the present invention.
  • Figures 8 to 10 are schematic views according to another exemplary embodiment and their production of the further subject of the present invention.
  • Figures 11 to 13 are schematic views according to a third exemplary embodiment and their production of the further subject of the present invention.
  • FIGS. 14 to 19 are schematic views according to a fourth exemplary embodiment and their production of the further subject matter of the present invention.
  • Figures 20 to 24 are schematic views according to a fifth exemplary embodiment and their production of the further subject of the present invention.
  • FIGS. 25 to 31 are schematic views according to a sixth exemplary embodiment and their production of the further subject matter of the present invention.
  • FIG. 1 there is shown a flow chart according to an example method of the present invention.
  • a provisioning step 101 and a massif Form step 102 shown.
  • the semifinished product 1 is provided in the provisioning step 101.
  • a molding region 5 of the semifinished product 1 is shaped such that a thickness 3 of the deformed molding region 5 increases steadily towards an edge 7 of the semifinished product 1.
  • the semifinished product 1 is additionally fixed in a fixing step. Furthermore, it is also provided, for example, that the semifinished product 1 is formed in a molding step.
  • FIGS. 2 to 7 show schematic views according to an exemplary embodiment and procedures of a further subject matter of the present invention.
  • FIGS. 8 to 10 show another exemplary embodiment and procedures
  • FIGS. 11 to 13 show a third exemplary embodiment and procedures
  • FIGS. 14 to 19 show a fourth exemplary embodiment and procedures
  • FIGS. 20 to 24 show a fifth exemplary embodiment and procedures
  • FIGS Fig. 25 to Fig. 31 show a sixth exemplary embodiment and procedures of another object of the present invention.
  • FIGS. 2 to 31 Exemplary embodiments and procedures of a device 200 for forming a semifinished product 1 are shown in FIGS. 2 to 31, wherein the device 200 comprises a molding tool 201 and a fixing tool 203, preferably a holding-down device.
  • the molding tool 201 is designed, for example, such that the molding region 5 of the semifinished product 1 can be deformed in such a way that a thickness 3 of the deformed molding region 5 continuously increases towards an edge 7 of the semifinished product 1.
  • the semifinished product 1 preferably comprises a main extension plane 100, wherein the main extension plane 100 in the provided semifinished product 1, as illustrated, for example, in FIG. 2, comprises a main extension surface or a main extension surface.
  • the main extension surface of the molded and formed semifinished product 1 is at least partially disposed outside the main extension plane 100. It is preferably provided that the main extension surface extends along a surface of the formed and formed semifinished product 1.
  • the mold 201 preferably comprises a first mold punch 205 and a second mold punch 207.
  • the first mold tool punch 205 and the second mold punch 207 formed against each other movable.
  • the first die punch 205 and the second die punch 207 are formed such that the molded molding portion 5 is at least partially receivable by the first die punch 205 and the second die punch 207.
  • the invention provides that the fixing tool 203 is designed such that the semifinished product 1 is fixable.
  • the fixing tool 203 preferably comprises a first Fixierwerkmaschinestempel 209 and a second Fixierwerkmaschinestempel 21 1.
  • the first Fixierwerkdusstempel 209 and the second Fixierwerkmaschinestempel 21 1 are mutually movable.
  • the first Fixierwerkmaschinestempel 209 and the second Fixierwerkmaschinestkov 21 1 are formed such that the semifinished product 1 at least partially between the first Fixierwerkmaschinemaschineschwmaschinemaschinemaschinemaschinemaschinemaschinemaschinestempel 21 1 can be accommodated.
  • FIG. 2 to FIG. 7 show, by way of example, times of a method for shaping thickened outer edges on a printed circuit board.
  • FIG. 2 shows the provisioning step 101, wherein the semifinished product 1, preferably a circuit board, is provided.
  • the semifinished product 1 is placed in the fixing tool 203 or in a receptacle of the fixing tool 203 or on the second Fixierwerkmaschinestempel 21 1.
  • the second Fixierwerkmaschinestempel 21 1 and the receptacle comprises a recess 215, preferably in the form of a notch.
  • FIG. 3 shows the device 200 including semifinished product 1 after the fixing step, wherein the semifinished product 1 shown in FIG. 3 is arranged fixed in the device 200.
  • the first fixing tool punch 209 has been moved in the direction of the second fixing tool punch 21 1.
  • the fixing tool 203 is closed in such a way that the semifinished product 1 is fixed only with a fixing region of the semifinished product 1, wherein the application region 5 is not fixed.
  • a chamfering area of the semifinished product 1 is not covered.
  • FIG. 4 shows the device 200 including semifinished product 1 after the molding step, wherein the semifinished product 1 shown in FIG. 4 is formed by means of the device 200.
  • the device 200 comprises a molding tool 213 for molding the semifinished product 1, preferably the molding region 5 of the semifinished product 1, wherein the molding tool 213 comprises a molding tool.
  • stamp for example, the Anformwerkmaschineschwtempel opposite the second Fixierwerkmaschineschwtkov 21 1 is designed to be movable.
  • the Anformtechnikmaschineschwstkov is preferably designed as a V-punch.
  • the forming die is moved in the direction of the second fixing tool punch 21 1 and in the direction of the recess 215, so that a pre-beveling with a fold or a rounding or rounding off of the semifinished product 1 is carried out.
  • the semifinished product 1 formed in the molding step is removed from a first device unit of the device 200 shown in FIG. 4 and inserted into a second device unit of the device 200 shown in FIG.
  • the integrally formed semifinished product 1 or the beveled or beveled board lies on a base of the molding tool 201.
  • the molding area 5 projects beyond the base of the molding tool 201 in the direction of the second molding die 207.
  • the beveled or beveled board rests freely on the base of the molding tool 201 with one edge.
  • the semifinished product 1 between the first mold punch 205 and the base of the mold 201 is fixed.
  • FIG. 6 shows the device 200 or the second device unit of the device 200, including the semi-finished product 1 formed after a renewed fixing step.
  • the first forming die 205 preferably at least partially a further holding-down device, holds the non-molded-on region or the remaining region of the semifinished product 1 flat.
  • FIG. 7 shows the device 200 including semifinished product 1 after the massive forming step 102.
  • the second molding tool 207 preferably an edge molding die, is preferably moved in the direction of the first molding tool 205.
  • the formed molding region 5 or the pre-bent region of the semifinished product 1 is deformed or bent in the direction of the first molding tool 205 and a reshaped molding region 5 or a thickening is produced by plastic deformation or by material flow.
  • a thickening of the semifinished product 1 or the board is advantageously possible because the semifinished product 1 is pressed by the first mold die 205 to the pad of the mold 201 such that the semifinished product 1 during the massive forming step 102 can not slip.
  • the length of the main extension surface of the integrally formed semifinished product 1 is longer in the image plane than the spatial extent of the deformed forming region 5 as shown in FIG.
  • the bevel or bevel of the board is longer than the thickened area. This ensures that the excess material flows into the thickness 3.
  • Characteristic of the thickening is that the thickness 3 at the outer edge is the largest and decreases toward the inside of the board.
  • the device 200 is designed as a combination tool and comprises the first device unit and the second device unit.
  • the thickening can be made in a combination tool.
  • the method according to the invention is carried out in a device 200 or in a tool together with a semifinished product or blank cut (for the bevel, however, elsewhere).
  • the semifinished product cut is performed on a side of the semifinished product 1 facing away from the edge 7.
  • FIG. 8 to FIG. 10 show, by way of example, times of a method for shaping thickened outer edges of a nearly finished component with a flange.
  • FIG. 8 shows the provisioning step 101, wherein the semifinished product 1, preferably a virtually finished component, is provided.
  • the semifinished product 1 comprises an already pre-cut and / or formed flange.
  • the flange is formed in a first region at least partially substantially at right angles to the main extension planes 100 and in a second region at least partially substantially away from an orientation of the first region and toward an orientation of the main extension plane 100.
  • the device 200 is designed such that the semifinished product 1 can be received by the device 200.
  • the receptacle of the device 200 has the shape of the deformed semifinished product 1 or component with a region that can accommodate the deformed molding region 5 or the thickening.
  • the forming of the semifinished product 1 or the thickening of the outer edge of the component takes place substantially analogously to the exemplary embodiment illustrated in FIGS. 2 to 7.
  • the semifinished product 1 is clamped between the first fixing tool punch 209 and the second fixing tool punch 21 1.
  • the flange of the semifinished product 1 or the bevelled part of the semifinished product 1 is left free.
  • the first die punch 205 preferably a thickening punch
  • the second region of the flange or the longer, oblique flange is pressed into the shorter, even-lying form of a receptacle of the second mold punch 207 and thereby plastically deformed into the deformed molding region 5.
  • the second Fixierwerkmaschinestempel 21 1 and the second mold punch 207 are shown formed as a tool punch.
  • the second Fixierwerkmaschineschwmaschinestempel 21 1 and the second mold die 207 are two separate tool punches.
  • FIGS. 11 to 13 show by way of example times of a method for shaping thickened outer edges of a virtually finished component without a flange.
  • the semifinished product 1 preferably a virtually finished component without a flange, comprises a frame, wherein the frame is already pre-cut and / or formed.
  • the frame is preferably designed with a length excess, wherein the length excess is greater than a normal compression dimension, preferably greater than an upsetting dimension used in the prior art.
  • the device 200 comprises a die 207, 21 1, wherein the die preferably comprises the functions of the second die punch 207 and the second fixing tool punch 21 1.
  • the device 200 comprises an upsetting die 205, 209, wherein the upsetting die essentially comprises the functions of the first forming die 205 and the first fixing tool punch 209.
  • the die is formed such that the die has substantially the shape of the component or the semifinished product 1.
  • the die comprises a frame area for receiving the deformed forming area 5 or the thickening after the massive forming step 102. As shown in FIG.
  • the semifinished product 1 or the component is inserted in the die 207, 21 1 and then as in FIG Figure 13 shown in the massive forming step 102 with the upsetting punch 205, 209 thickened the outer edges of the frame.
  • the recess 215 in the device 200 is replaced by plastic deformation. mung of the semifinished product 1 filled.
  • the deformed semifinished product 1 is removed, for example, from the device 200.
  • the semifinished product 1 is fixed temporally parallel to the massive forming step 102 in the fixing step.
  • FIG. 14 through FIG. 19 show, by way of example, times of a method for shaping thickened outer edges of a component with a flange during part forming.
  • the semifinished product 1 preferably an already predetermined minimum-form-printed circuit board.
  • the semi-finished product 1 is first fixed between the first Fixierwerkmaschinestempel 209 and the second Fixierwerkmaschinestempel 21 1.
  • the semifinished product 1 is at least partially on the second mold ram 207.
  • the forming tool 213, preferably a distanced holding-down device, is moved in the direction of the semifinished product 1 to a position spaced from the semifinished product 1 shown in FIG.
  • the semifinished product 1 can move in the region of the molding tool 213 essentially in a direction parallel to the main extension plane 100 and in the image plane.
  • the device 200 and the semifinished product 1 are embodied such that a flange region of the semifinished product 1 after the molding comprises a border region folded in the direction of the first molding die 205.
  • the main extension surface of the semifinished product 1 in the region of the recess 215 is longer than the one extent of the recess 215 substantially parallel to the main extension plane 100.
  • the flange region of the semifinished product 1 or the part of the semifinished product 1, during the shaping shortly before a bottom dead center (the first fixing tool punch 209 and the second fixing tool punch 21 1) shown in FIG. 19 provides a flange with the edge region folded over, is longer than the space provided for this purpose in the tool. This causes the flange to thicken from its edge at bottom dead center.
  • FIG. 20 to FIG. 24 show, by way of example, times of a method for shaping thickened outer edges of a component without a flange during part forming.
  • the semifinished product preferably an already predetermined minimum-form-printed circuit board
  • the device 200 comprises a two-part first forming die 205, preferably an upsetting die.
  • a first partial punch of the first punch 205 facing the semifinished product 1 in FIG. 20 is connected to a second punch of the first punch 205 facing away from the semifinished product 1 in FIG.
  • FIGS. 25 to 31 show, by way of example, times of a method for shaping thickened inner edges.
  • FIG. 25 shows by way of example that the semifinished product 1, preferably a circuit board, is provided and is fixed between the first fixing tool punch 209 and the second fixing tool punch 21 1. Subsequently, the semifinished product 1 as shown in FIG 26 is then at least partially formed and punched simultaneously. Subsequently, the semifinished product 1 is further formed in time after punching. This is shown by way of example in FIG. 27. Here, the perforation is widened to a collar or a deep sinking. The clear dimension of the expansion determines the size of the later hole shown in FIG.
  • the molded semi-finished product 1 is formed.
  • first of all the molded semifinished product 1 is fixed and then, as illustrated in FIG. 30, it is reshaped using the first forming die 205, preferably an upsetting die, and the second forming die 207.
  • an upsetting punch compresses the collar or the depression so that a thickened region with a desired opening dimension is created.
  • FIG. 25 to FIG. 31 show that the method according to the invention is carried out in two stages.
  • FIG. 25 to FIG. 27 show a first device unit of the device 200 and FIG. 28 to FIG. 31 a second device unit of the device 200.
  • the method is implemented in two stages, each with a combination tool for punching and collar molding and a tool for collar diving carried out.
  • the punching of the semifinished product 1 is carried out in a third device unit of the device 200
  • the molding of the semifinished product 1 is carried out in a fourth device unit of the device 200 and the forming of the semifinished product 1 in a fifth device unit Device 200 is performed.
  • each operation is performed in a single tool.
  • the device 200 is integrated in a complex, press-bound tool.
  • the inventive method is carried out in the complex, press-bonded tool, with the complex, press-bound tool further forming steps for further forming the semifinished product 1 are performed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

L'invention concerne un procédé et un dispositif (200) de formage d'un demi-produit (1), comprenant une étape de préparation (101) consistant à prendre le demi-produit (1) ; une étape de formage plastique (102) consistant à façonner une zone à mettre en forme (5) du demi-produit, de manière telle que l'épaisseur (3) de la zone à mettre en forme (5) façonnée va croissante en direction du bord (7) du demi-produit (1).
EP17714440.9A 2016-04-04 2017-03-30 Procédé et dispositif de formage d'un demi-produit Withdrawn EP3439807A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016205492.9A DE102016205492A1 (de) 2016-04-04 2016-04-04 Verfahren und Vorrichtung zum Umformen eines Halbzeugs
PCT/EP2017/057496 WO2017174425A1 (fr) 2016-04-04 2017-03-30 Procédé et dispositif de formage d'un demi-produit

Publications (1)

Publication Number Publication Date
EP3439807A1 true EP3439807A1 (fr) 2019-02-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17714440.9A Withdrawn EP3439807A1 (fr) 2016-04-04 2017-03-30 Procédé et dispositif de formage d'un demi-produit

Country Status (5)

Country Link
US (1) US11192162B2 (fr)
EP (1) EP3439807A1 (fr)
CN (1) CN109070171A (fr)
DE (1) DE102016205492A1 (fr)
WO (1) WO2017174425A1 (fr)

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DE102020202004A1 (de) * 2020-02-18 2021-08-19 Thyssenkrupp Ag Verfahren zum Herstellen von umgeformten Blechteilen und Vorrichtung
JP7757055B2 (ja) * 2021-06-02 2025-10-21 東プレ株式会社 熱間プレス製品の製造方法、及び熱間プレス成形装置
CN114904949B (zh) * 2022-05-09 2022-11-08 中天华南建设投资集团有限公司 一种带排水槽集装箱房顶用封边装置及其使用方法

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US20190105696A1 (en) 2019-04-11
DE102016205492A1 (de) 2017-10-05
CN109070171A (zh) 2018-12-21

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