WO2018115282A1 - Verfahren und vorrichtung zur herstellung von blechbauteilen - Google Patents
Verfahren und vorrichtung zur herstellung von blechbauteilen Download PDFInfo
- Publication number
- WO2018115282A1 WO2018115282A1 PCT/EP2017/084087 EP2017084087W WO2018115282A1 WO 2018115282 A1 WO2018115282 A1 WO 2018115282A1 EP 2017084087 W EP2017084087 W EP 2017084087W WO 2018115282 A1 WO2018115282 A1 WO 2018115282A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- calibration
- preform
- partially
- trimming
- preforming
- Prior art date
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/30—Deep-drawing to finish articles formed by deep-drawing
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
Definitions
- the invention relates to a method for the production of sheet metal components and an apparatus for producing sheet metal components, in particular for carrying out a method according to the invention.
- the dimensional stability of the sheet metal components can no longer be met, because the springback then often deviates.
- German laid-open specification DE 10 2007 059 251 A1 German Offenlegungsschrift DE 10 2008 037 612 A1 describes the German German
- the component edge is supported at least partially
- Preform edge is ensured.
- the unwound lengths of the thus considered local cross sections are, for example, about 1.0 to 3.0% larger than required for the final geometry of the sheet metal component. If as a result of the process control in the production of the preform the unwound length of the cross sections vary too much, so too short a length would not be sufficient material surplus ready for the subsequent calibration step, whereby the dimensional accuracy of the sheet metal component would be impaired.
- the unwound length of the considered cross-section of the preform part is too large, then the overdimensioned part would become so during the subsequent calibration process
- the preforming edge For the purpose of setting an optimum calibration effect shortly before the beginning of the actual upsetting and / or calibrating process, the preforming edge must be sufficiently repeatable and reproducible in the calibration tool.
- a distanced blank holder can be used to determine the influence of friction and thus the influence of
- preforms thus produced correspond to the required geometry, but then the unwound length of the cross sections varies such that the preforms thus produced in the following
- Calibration can not or only partially processed.
- a preform part is provided, which has an excess, unwound length, at least in regions, in cross-section.
- Vorformkanten the preform during calibration at least partially form-fitting arranged Under an at least partially positive-locking arrangement is understood that certain areas of the preforming edge can also be arranged positively ..
- a form gleichEF arrangement should be understood by a form gleichEF arrangement that a movement of the preforming edges seen in cross section to the outside should not be positively prevented.
- the preforming edges are at least partially not form-fitting on
- Irregularities in the unwound length of the preform in cross section can be reduced or avoided. This has the consequence that during the forming of the preform molding processes can be applied, which could not be used because of the required exact position of the preforming edges during subsequent calibration. Thus, for example, when pulling with sheet metal holders, drawing beads or in several drawing stages can be used. The resulting irregular, unwound length of the preform in cross section
- Preform in cross section is unproblematic due to the now at least partially missing, otherwise usual form fit to the preforming edges in the calibration tool depending on batch and tribology.
- the sheet metal component can also be used final geometry (finished dimension) can be achieved (in particular the desired length of the sheet metal component in cross section).
- the trimming tool can thereby be executed close to the geometry of the geometry and does not have to be adapted to the sprung preform part, as in common practice.
- the sheet metal component preferably has a bottom region, a frame region and / or an optional flange region.
- the calibration part preferably already has a bottom region, a frame region and / or an optional flange region.
- the preform part also preferably already has a bottom region, a frame region and / or an optional flange region.
- the preform part already has a near-net-shape geometry, but is exposed to undesired springback.
- the preform can be regarded as spring-back formed part.
- unwound or stretched length of the preform in cross-section is at least partially larger than required by the final geometry of the sheet metal component.
- the preform in local cross sections has an unwound length that is greater than that required for the subsequent calibration.
- the unwound length of the preform in cross section at least partially more than 3%, preferably more than 5% greater than required for the final geometry of the sheet metal component.
- the forming, for example, the drawing or preferably thermoforming is performed for example in a drawing tool.
- deep drawing with draw beads Ziehabersn and / or be used in a multi-stage deep drawing, since it does not depend on the calibration of a repeatable length of the settlement of the local cross sections.
- the reshaping can in particular include a stretching.
- the calibration is performed, for example, in a calibration tool.
- the calibration of the preform part to the calibration part preferably comprises an at least partial upsetting of the preform part.
- the trimming of the calibration part is performed, for example, in a trimming tool.
- a trimming in particular with cutting knives or by means of laser beam cutting
- necessary adjustments and / or perforations are also introduced into the calibration part as part of the cut.
- trimming the calibration part after calibration is done in a separate tool.
- the trimming in the calibration tool for example after reaching the end position of the
- the reshaping, calibrating and / or trimming can be carried out in separate devices. But it is also possible that the forming, calibrating and / or trimming is performed at least partially in a combined device.
- the board and thus the preform, the calibration part and the sheet metal component with final geometry are preferably made of an aluminum material or steel material.
- a high-strength steel for example, a
- the calibration part has a flange region and the trimming of the calibration part comprises a partial removal of the flange region.
- the preform already has a flange area.
- the cross-section, at least in some areas, of an excess, unwound length of the preform part is then achieved in particular by the flange area.
- the flange area is preferably calibrated the preform at least partially calibrated, in particular compressed.
- the trimming then removes part of the flange area or the complete flange area of the calibration part. By trimming, for example, the non-calibrated part of the flange area can be removed. Likewise, for example, an at least partially calibrated region of the flange region can be removed by the trimming.
- an undesired material flow in the direction of the preforming edges of the preform part is at least partially reduced or prevented during the calibration, in particular by means of a braking effect, in particular by friction, frictional connection and / or positive locking, on the upper side of the sheet metal and / or lower side of the sheet metal. This prevents excess material from flowing to the outside and then not to the
- Calibration can contribute. In the case of an at least partially positive-fit arrangement of the preforming edges of the preform part during calibration, this can be accomplished, in particular, by providing a braking effect on the
- Sheet top and / or bottom sheet of the preform during calibration is exercised.
- the unwanted material flow to the outside is counteracted exclusively in this way.
- the preform part, in particular the flange region of the preform part is clamped in the calibration train.
- the material flow during the forming of the board to the preform at least
- the material flow during forming, in particular deep drawing is slowed down, for example, an undesirable wrinkling can be reduced or avoided and the preforms particularly complex geometries particularly advantageous, in particular largely free of ripples produced.
- the length of the processing of the local cross-sections of the preform part may change depending on the batch under certain circumstances. However, this is not problematic due to the at least partially positive-fit arrangement of the preforming edges during calibration.
- Sheet metal component to achieve without cracks and wrinkles, according to a preferred embodiment of the method according to the invention during the forming, in particular deep drawing of the board to the preform one or more draw beads, one or more drawing dies and / or a multi-stage forming used. In this way, the existing limits for the production of a suitable preform part can be significantly expanded.
- the method is carried out without any trimming from the forming of the board to the trimming of the calibrating part after the calibration.
- no interim trimming operation takes place before the calibration.
- At least regionally calibrated areas are removed by trimming the calibration part after calibration.
- an at least partially calibrated optional flange area is removed by the trimming after calibration.
- the forming of the blank into the preform already comprises
- Compensation measures with the aim to produce a particularly near-net shape geometry of the preform For example, during deep drawing, for example by appropriate design of the thermoforming tool, a molding of the preform (For example, an overbending of the frame area) contrary to the expected
- the preform part has surplus material in a bottom region of the preform part, in a frame region of the preform part, in an optional flange region of the preform part and / or in one or more transition regions between them. It has been found that a surplus of material can be provided in these areas and can be used for calibrating during the calibration despite an at least partially form-fitting arrangement for calibration.
- the sheet-metal component seen in cross-section, is at least partially substantially hat-shaped.
- the sheet metal component along its main extension may have cross-sectional changes.
- cross-sectional changes when viewed in cross section hat-shaped sheet metal parts, in particular in combination with cross-sectional changes often resulting thinning, waves and cracks can be reduced or avoided in the production with the described method.
- Forming means for forming a circuit board to a preform such that the preform in cross-section, at least in some areas, an excess, unwound length;
- Calibration means for at least partially calibrating the preform to a calibration part with at least partially using the excess, unwound length of the cross section of the preform, in particular for the construction of additional compressive stresses, such that the preforming edges of the preform part are arranged without form-fitting at least in regions during the calibration;
- Cutting means for at least partially trimming the calibration part after calibration to produce the sheet metal component.
- the device may include one or more tools for performing the different steps.
- the device can in particular comprise a tool system with a plurality of tools.
- a tool system with a plurality of tools.
- the forming means comprise a preforming tool with a preforming punch, a
- the forming means may be arranged for a multi-stage forming. As already stated, the unwound lengths of the local cross-sections of the preform need not be repeated exactly during forming. As a result, aids such as
- the calibration means comprise one or more calibration tools with one or more calibration punches and one or more calibration matrices. A sufficiently exact positioning of the preform can already be achieved by radius of the punch or die.
- the trimming means comprise at least one or more trimming tools
- the trimming tool comprises one or more cutting knives.
- the trimming tool can be set up to perform a laser beam cutting.
- the trimming tool can be set up to carry out any necessary punctures and / or perforations.
- Fig. 1 shows an embodiment of a preforming tool for performing a
- Fig. 2 shows an embodiment of a spring-back preform after the
- Fig. 3a, b an embodiment of a calibration tool for performing a
- Fig. 6 shows an embodiment of a sheet metal component after trimming.
- Fig. 1 shows first an embodiment of a preforming tool 1 to perform a forming step according to an embodiment of a method according to the invention.
- the preforming tool 1 comprises a preforming punch 2 and a preforming die 4.
- an optional holding-down device 6 is shown, which can be arranged, for example, on the plunger cushion or springs.
- the preforming tool 1 has sheet metal holders 8 with draw beads 8a.
- pull handles 9 are provided.
- the board is already formed by deep drawing to the preform 10.
- the board has been reshaped such that the geometry of the preform 10 with a contained material storage in the bottom area and / or in the frame area and / or in the flange area and / or in a transition areas between
- Floor area and frame area and / or frame area and flange area corresponds to the minimum required for the subsequent calibration step geometry.
- the preform part 10 produced in this way is characterized in that the unwound length of the preform part 10 is at least partially larger in cross-section than required for the subsequent calibration.
- common tools such as the draw stitches 8a or the drawstrings 9 are possible.
- the preform part 10 with particularly critical components in several forming stages. In this way, the previously applicable limits for the production of a suitable preform part 10 are significantly expanded.
- the preform member 10 Upon removal from the preforming tool 1, the preform member 10 will spring back as a result of the inhomogeneous stress condition, as shown in FIG.
- the calibration tool 20 includes a Kalibrierst
- a Kalibriermatrize 24 and hanging overhead sheet or holder 26th
- FIGS. 4a, b show alternative embodiments of calibration tools 30, 40 for carrying out the calibration step.
- the calibration tool 30 is designed as a two-part tool with a Kalibrierstempel 32 and a Kalibriermatrize 34. A hold-down is dispensable in this case.
- the calibration tool 40 includes a Kalibrierstempel 42, a Kalibriermatrize 44, hanging above
- the preforming edges of the preform part 10, 10 ' are arranged without form-fitting at least in regions during the calibration.
- the preform part 10, 10 ' is thus calibrated completely or at least in sections, without the preforming edge being prevented in a form-fitting manner from evading.
- An undesired flow of material to the outside in the direction of the preforming edge is achieved only via the braking action on the upper side of the sheet metal and the underside of the sheet, but not via a braking action on the preforming edge.
- Calibration part took place. This means that in the resulting calibration part to be removed later by trimming (for example by trimming) Beitesreste be at least partially initially calibrated in the calibration tool 20, 30, 40 with. In this way, a dimensionally stable calibration part is achieved, which is then trimmed in order to arrive at the final sheet metal component.
- a calibration part 50 is shown, which was made from the preform 10.
- the region to be separated is exemplified by the dashed lines 52.
- the trimming carried out after the calibration can be carried out in one or more steps and has the particular advantage that the trimming tools do not have to be adapted to the rebounded component, as usual practice, but instead can be performed close to the geometry. In principle, however, is also conceivable that the trimming after reaching the lower end position in the calibration tool 20, 30, 40 is integrated (not shown here).
- 10 In relation to the forming of the preform 10, 10 'in particular complex components can be produced, which can be partially represented only by forming with tools such as blank holder 8, draw beads 8a, Ziehab instrumentsn 9 and / or a multi-stage forming.
- tools such as blank holder 8, draw beads 8a, Ziehab instrumentsn 9 and / or a multi-stage forming.
- the solidification of modern multiphase steels can be exploited. This in turn can lead to reduced sheet thicknesses and thus to a reduced component weight, in particular compared with a process management with embossing and lifting with comparable component performance.
- edge crack critical areas can be reduced or avoided.
- the preform 10, 10 can be optimally designed for the calibration step without consideration of the final sheet metal component edge.
- the classic compensation can in principle be combined with the described method. It may also be advantageous that the at least partially positively locking arrangement of
- Vorformkanten in the calibration no high surface pressures in the area of the tool supporting preforming edges during upsetting and / or
- Calibration process can form more and thus the service life of the calibration tool can be increased.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Forging (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020197021163A KR20190113779A (ko) | 2016-12-23 | 2017-12-21 | 시트 금속 구성요소를 제조하는 방법 및 장치 |
MX2019007605A MX2019007605A (es) | 2016-12-23 | 2017-12-21 | Procedimiento y dispositivo para la fabricacion de componentes de chapa. |
BR112019012969A BR112019012969A2 (pt) | 2016-12-23 | 2017-12-21 | método e dispositivo para a fabricação de componentes de chapa de metal |
EP17823134.6A EP3558558A1 (de) | 2016-12-23 | 2017-12-21 | Verfahren und vorrichtung zur herstellung von blechbauteilen |
CA3050070A CA3050070C (en) | 2016-12-23 | 2017-12-21 | Method and device for producing sheet-metal components |
CN201780080186.8A CN110312580A (zh) | 2016-12-23 | 2017-12-21 | 用于生产金属板部件的方法和装置 |
JP2019533386A JP2020514059A (ja) | 2016-12-23 | 2017-12-21 | 板金部品を製造するための方法および装置 |
US16/470,768 US11179762B2 (en) | 2016-12-23 | 2017-12-21 | Method and device for producing sheet-metal components |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016125671.4A DE102016125671A1 (de) | 2016-12-23 | 2016-12-23 | Verfahren und Vorrichtung zur Herstellung von Blechbauteilen |
DE102016125671.4 | 2016-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018115282A1 true WO2018115282A1 (de) | 2018-06-28 |
Family
ID=60915520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2017/084087 WO2018115282A1 (de) | 2016-12-23 | 2017-12-21 | Verfahren und vorrichtung zur herstellung von blechbauteilen |
Country Status (10)
Country | Link |
---|---|
US (1) | US11179762B2 (de) |
EP (1) | EP3558558A1 (de) |
JP (1) | JP2020514059A (de) |
KR (1) | KR20190113779A (de) |
CN (1) | CN110312580A (de) |
BR (1) | BR112019012969A2 (de) |
CA (1) | CA3050070C (de) |
DE (1) | DE102016125671A1 (de) |
MX (1) | MX2019007605A (de) |
WO (1) | WO2018115282A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109773024A (zh) * | 2018-12-29 | 2019-05-21 | 安徽省爱力特家电成套装备有限公司 | 一种油罐车人行步道板的加工方法 |
JP2020124726A (ja) * | 2019-02-05 | 2020-08-20 | フタバ産業株式会社 | プレス成形品及びプレス加工方法 |
JP2020124717A (ja) * | 2019-02-01 | 2020-08-20 | Jfeスチール株式会社 | プレス成形方法 |
JPWO2021181982A1 (de) * | 2020-03-09 | 2021-09-16 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2018003160A (es) * | 2015-09-18 | 2018-07-06 | Nippon Steel & Sumitomo Metal Corp | Producto formado tipo panel y su metodo de fabricacion. |
CN112845788A (zh) * | 2021-01-08 | 2021-05-28 | 昆山达亚汽车零部件有限公司 | 用于板材件的成型定位方法及装置 |
KR20230093862A (ko) * | 2021-12-20 | 2023-06-27 | 주식회사 포스코 | 성형부품 제조방법 |
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DE102007059251A1 (de) | 2007-12-07 | 2009-06-10 | Thyssenkrupp Steel Ag | Herstellverfahren hoch maßhaltiger Halbschalen |
DE102008037612A1 (de) | 2008-11-28 | 2010-06-02 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zum Herstellen hoch maßhaltiger flanschbehafteter Halbschalen |
DE102009059197A1 (de) | 2009-12-17 | 2011-06-22 | ThyssenKrupp Steel Europe AG, 47166 | Verfahren und Vorrichtung zur Herstellung eines Halbschalenteils |
DE102013103751A1 (de) | 2013-04-15 | 2014-10-16 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung von hochmaßhaltigen Halbschalen und Vorrichtung zur Herstellung einer Halbschale |
DE102013103612A1 (de) | 2013-04-10 | 2014-10-16 | Thyssenkrupp Steel Europe Ag | Verfahrung und Stauchwerkzeug zum Herstellen von hochmaßhaltigen Halbschalen |
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2016
- 2016-12-23 DE DE102016125671.4A patent/DE102016125671A1/de active Pending
-
2017
- 2017-12-21 EP EP17823134.6A patent/EP3558558A1/de active Pending
- 2017-12-21 WO PCT/EP2017/084087 patent/WO2018115282A1/de unknown
- 2017-12-21 MX MX2019007605A patent/MX2019007605A/es unknown
- 2017-12-21 CA CA3050070A patent/CA3050070C/en active Active
- 2017-12-21 CN CN201780080186.8A patent/CN110312580A/zh active Pending
- 2017-12-21 US US16/470,768 patent/US11179762B2/en active Active
- 2017-12-21 BR BR112019012969A patent/BR112019012969A2/pt not_active Application Discontinuation
- 2017-12-21 KR KR1020197021163A patent/KR20190113779A/ko unknown
- 2017-12-21 JP JP2019533386A patent/JP2020514059A/ja active Pending
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JPS5731417A (en) * | 1980-08-05 | 1982-02-19 | Toyota Motor Corp | Deep drawing method |
DE102007059251A1 (de) | 2007-12-07 | 2009-06-10 | Thyssenkrupp Steel Ag | Herstellverfahren hoch maßhaltiger Halbschalen |
DE102008037612A1 (de) | 2008-11-28 | 2010-06-02 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zum Herstellen hoch maßhaltiger flanschbehafteter Halbschalen |
DE102009059197A1 (de) | 2009-12-17 | 2011-06-22 | ThyssenKrupp Steel Europe AG, 47166 | Verfahren und Vorrichtung zur Herstellung eines Halbschalenteils |
DE102013103612A1 (de) | 2013-04-10 | 2014-10-16 | Thyssenkrupp Steel Europe Ag | Verfahrung und Stauchwerkzeug zum Herstellen von hochmaßhaltigen Halbschalen |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109773024A (zh) * | 2018-12-29 | 2019-05-21 | 安徽省爱力特家电成套装备有限公司 | 一种油罐车人行步道板的加工方法 |
JP2020124717A (ja) * | 2019-02-01 | 2020-08-20 | Jfeスチール株式会社 | プレス成形方法 |
JP7001073B2 (ja) | 2019-02-01 | 2022-01-19 | Jfeスチール株式会社 | プレス成形方法 |
JP2020124726A (ja) * | 2019-02-05 | 2020-08-20 | フタバ産業株式会社 | プレス成形品及びプレス加工方法 |
JP7144338B2 (ja) | 2019-02-05 | 2022-09-29 | フタバ産業株式会社 | プレス加工方法 |
JPWO2021181982A1 (de) * | 2020-03-09 | 2021-09-16 | ||
WO2021181982A1 (ja) * | 2020-03-09 | 2021-09-16 | Jfeスチール株式会社 | プレス部品の製造方法、プレス成形用の金属板、及び高張力鋼板 |
JP7126079B2 (ja) | 2020-03-09 | 2022-08-26 | Jfeスチール株式会社 | プレス部品の製造方法、プレス成形用の金属板、及び高張力鋼板 |
Also Published As
Publication number | Publication date |
---|---|
CA3050070A1 (en) | 2018-06-28 |
US20200078849A1 (en) | 2020-03-12 |
KR20190113779A (ko) | 2019-10-08 |
BR112019012969A2 (pt) | 2019-12-31 |
EP3558558A1 (de) | 2019-10-30 |
JP2020514059A (ja) | 2020-05-21 |
US11179762B2 (en) | 2021-11-23 |
CA3050070C (en) | 2021-11-09 |
CN110312580A (zh) | 2019-10-08 |
MX2019007605A (es) | 2020-07-29 |
DE102016125671A1 (de) | 2018-06-28 |
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