EP3046695B1 - Verfahren zum prägen und einschneiden von werkstücken und prägewerkzeug - Google Patents
Verfahren zum prägen und einschneiden von werkstücken und prägewerkzeug Download PDFInfo
- Publication number
- EP3046695B1 EP3046695B1 EP14766133.4A EP14766133A EP3046695B1 EP 3046695 B1 EP3046695 B1 EP 3046695B1 EP 14766133 A EP14766133 A EP 14766133A EP 3046695 B1 EP3046695 B1 EP 3046695B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- cutting
- embossing
- ram
- die
- 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.)
- Active
Links
- 238000005520 cutting process Methods 0.000 title claims description 57
- 238000004049 embossing Methods 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 22
- 239000000463 material Substances 0.000 claims description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 241000985128 Cladium mariscus Species 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
Definitions
- the invention further relates to an embossing tool for carrying out a method of the type described above, comprising a punch, in which a notch for receiving a material of a workpiece is formed, and a cutting die opposite the punch, which has a cutting edge, which in the material of the workpiece can be such that the material is forced into the notch opposite the cutting edge, wherein the punch and the cutting die are movable relative to each other.
- the forming knife cuts into the material of the workpiece up to a defined depth.
- the material is compressed and displaced laterally. This is because the pressing force required for cutting is relatively high. It is significantly higher than a force that would be required for punching the workpiece.
- a warped workpiece may continue to be used only in severe welding process problems.
- the invention is therefore based on the object, a method and an embossing tool for embossing and cutting of workpieces, in particular of workpieces made of sheet steel, specify with which a delay in the workpiece can be minimized.
- the method mentioned above is characterized in that the material of the workpiece when cutting and pulling at least partially braked and its material flow is directed.
- the penetration of a cutting edge into a material such as steel sheet results in material flow and / or material compression. It has been recognized that significant stresses are introduced into the workpiece by the material flow and / or the material compressions. In accordance with the invention, it has been recognized that while these voltages are not prevented, they can be controlled. Specifically, it has been recognized that by a combination of the process steps cutting, pulling and braking of the Material of the material flow steered and the delay can be minimized. In that regard, a method for embossing and cutting of workpieces, in particular of workpieces made of sheet steel, specified, with which a delay in the workpiece can be minimized.
- the material is advantageous when cutting away from the cutting and directed specifically in reservoirs.
- the material which is compressed during cutting, is directed away from the cutting edge and directed into suitable reservoirs. This is made possible by a special geometry in a punch and in a cutting die.
- the required pressing force is about 20% less than the force that would be required in a flange embossing according to the prior art.
- the special geometry in the punch and cutting die prevents unwanted sickling of workpieces and optimizes their flatness.
- a sheet steel is used as a workpiece advantageously a sheet steel is used. After being treated by the method described here, such a workpiece can be used in control cabinets or distribution cabinets, since flanges can easily be produced in the latter.
- an embossing tool for embossing and cutting of workpieces with the features of the independent claim.
- the embossing tool mentioned above is characterized in that braking means are provided which retain the material at least partially.
- the braking means are advantageously arranged on a hold-down, which surrounds the stamp.
- the hold-down prevents the workpiece from dodging up when the cutting edge penetrates into it.
- the cutting die is surrounded by a drawing die.
- the drawing die deforms the workpiece and inserts inclined surfaces into it.
- Fig. 1 1 shows a detail of an embossing tool 1 for carrying out a method of the type described below, comprising a punch 2, in which a notch 3 for receiving a material of a workpiece 4 is formed, and a cutting die 5 opposite the punch 2, which has a cutting edge 6, which cuts into the material of the workpiece 4 in such a way that the material is forced into the notch 3 opposite the cutting edge 6, wherein the punch 2 and the cutting die 5 are movable relative to one another.
- Fig. 1 shows the merged embossing tool 1. Between the punch 2 and the cutting die 5, the workpiece 4 is sandwiched.
- the workpiece 4 is made of sheet steel.
- the braking means 7 which retain the material at least partially.
- the braking means 7 are formed as a rounded, semicircular in cross-section bead.
- the brake means 7 are arranged on a hold-down 8, which surrounds the punch 2 from the outside.
- the stamp 2 extends starting from the braking means 7, or the bead, in regions conically.
- the center and symmetry axis of the embossing tool 1 is represented by the dashed line.
- the cutting die 5 is surrounded by a drawing die 9.
- the drawing die 9 is designed to be complementary to the conical shape of the punch 2.
- a former flat planar workpiece 4 can be provided by forming with inclined planes or flanks.
- the material of the workpiece 4 is at least partially braked during cutting and pulling and its material flow directed.
- the material flow is in Fig. 2 represented by arrows.
- the material is when cutting away from the cutting edge 6 and directed specifically into reservoir 10.
- a sheet steel is used as a workpiece 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Punching Or Piercing (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14766133T PL3046695T3 (pl) | 2013-09-16 | 2014-09-08 | Sposób wytłaczania i nacinania przedmiotów obrabianych oraz narzędzie do wytłaczania |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013015275 | 2013-09-16 | ||
PCT/EP2014/069093 WO2015036365A1 (de) | 2013-09-16 | 2014-09-08 | Verfahren zum prägen und einschneiden von werkstücken und prägewerkzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3046695A1 EP3046695A1 (de) | 2016-07-27 |
EP3046695B1 true EP3046695B1 (de) | 2017-05-31 |
Family
ID=51541063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14766133.4A Active EP3046695B1 (de) | 2013-09-16 | 2014-09-08 | Verfahren zum prägen und einschneiden von werkstücken und prägewerkzeug |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3046695B1 (ru) |
ES (1) | ES2637866T3 (ru) |
PL (1) | PL3046695T3 (ru) |
RU (1) | RU2675124C2 (ru) |
WO (1) | WO2015036365A1 (ru) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114700423B (zh) * | 2022-03-28 | 2023-10-20 | 无锡市正隆祥机械制造有限公司 | 一种软薄料冲压模具 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1041421A (en) * | 1964-03-03 | 1966-09-07 | Metal Box Co Ltd | Improvements in or relating to the scoring of thin sheet metal |
BE884123Q (nl) * | 1978-11-29 | 1981-01-05 | Continental Group | Inkerfgereedschap en -aambeeld |
SU1009575A1 (ru) * | 1981-11-18 | 1983-04-07 | Экспериментальный научно-исследовательский институт кузнечно-прессового машиностроения | Способ получени плоских изделий с боковыми ребрами типа рельсовой подкладки |
SU1368069A1 (ru) * | 1986-01-07 | 1988-01-23 | Предприятие П/Я М-5641 | Штамп дл обрезки кромок пустотелых деталей |
JP3027059B2 (ja) * | 1992-12-09 | 2000-03-27 | 新日本製鐵株式会社 | 易開缶性蓋の製造方法 |
RU2220018C2 (ru) * | 2002-02-11 | 2003-12-27 | Открытое акционерное общество "ГАЗ" | Способ вытяжки и штамп для его осуществления |
DE102011121664A1 (de) * | 2011-12-20 | 2013-06-20 | Abb Ag | Vorgeprägter Flanschausbruch, Bau- oder Gehäuseteil mit einem solchen Flanschausbruch, Schalt- oder Verteilerschrank mit einem derartigen Bau- oder Gehäuseteil sowie ein System und Verfahren zum Vorprägen von Flanschausbrüchen |
-
2014
- 2014-09-08 RU RU2016114517A patent/RU2675124C2/ru active
- 2014-09-08 PL PL14766133T patent/PL3046695T3/pl unknown
- 2014-09-08 EP EP14766133.4A patent/EP3046695B1/de active Active
- 2014-09-08 ES ES14766133.4T patent/ES2637866T3/es active Active
- 2014-09-08 WO PCT/EP2014/069093 patent/WO2015036365A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
RU2675124C2 (ru) | 2018-12-17 |
PL3046695T3 (pl) | 2017-10-31 |
EP3046695A1 (de) | 2016-07-27 |
ES2637866T3 (es) | 2017-10-17 |
WO2015036365A1 (de) | 2015-03-19 |
RU2016114517A (ru) | 2017-10-23 |
RU2016114517A3 (ru) | 2018-06-27 |
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