JP5883879B2 - Rolling forming apparatus for performing the same method as the method for rolling forming an outer shape or a structural part for an automobile seat rail - Google Patents
Rolling forming apparatus for performing the same method as the method for rolling forming an outer shape or a structural part for an automobile seat rail Download PDFInfo
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- JP5883879B2 JP5883879B2 JP2013537042A JP2013537042A JP5883879B2 JP 5883879 B2 JP5883879 B2 JP 5883879B2 JP 2013537042 A JP2013537042 A JP 2013537042A JP 2013537042 A JP2013537042 A JP 2013537042A JP 5883879 B2 JP5883879 B2 JP 5883879B2
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- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/008—Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends
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- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
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- 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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
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- 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
- B21D37/16—Heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- General Induction Heating (AREA)
Description
本発明は、板状半仕上げ製品から、特に金属材料から、特に鋼板又はアルミニウムから外形又は構造部品を圧延成形する方法に関する。さらに本発明は、好ましくは本方法の適用によって製造されるコンポーネントに、特に自動車の座席構造物用構造部品に関し、及び本方法を行う圧延成形装置に関する。 The present invention relates to a method for rolling forming external or structural parts from plate-like semifinished products, in particular from metal materials, in particular from steel plates or aluminum. Furthermore, the invention relates to a component, preferably to a component manufactured by application of the method, in particular to a structural part for a seat structure of an automobile, and to a rolling forming apparatus for performing the method.
このような外形又は構造部品は、ほとんどの構造コンポーネントが十分な耐荷重性を有するように、特定の使用材料強度を必要とする。しかし同時に、例えば、製造において好ましいコストの構造物を達成するべく、材料の使用は可能な限り最小にする必要がある。しかしながら、周知の圧延成形処理によっては、さらなる材料節約を達成することができそうにない。これは、硬い材料、特に高強度材料は所定の制限を有する場合にのみ圧延成形され得るからであり、及び、当該材料の薄い肉厚によって、製造中又は直後の製造中に弾性回復の増加が生じるからである。この理由により、製造においては、引張強度800MPaまでかつ少なくとも肉厚1.6mmの高強度鋼が頻繁に使用される。薄い肉厚及び/又は大きな引張強度の半仕上げ製品の実現可能性は、今までのところ、少なくとも自動車の座席構造物用、特に自動車座席レール用の構造部品において低いままである。 Such contours or structural parts require specific material strength to be used so that most structural components have sufficient load bearing capability. At the same time, however, the use of materials should be minimized as much as possible, for example, to achieve a structure of favorable cost in manufacturing. However, it is unlikely that further material savings can be achieved by known rolling processes. This is because hard materials, especially high-strength materials, can only be rolled when they have certain limits, and the thin wall thickness of the material increases the elastic recovery during or immediately after production. Because it occurs. For this reason, high strength steel with a tensile strength of up to 800 MPa and a wall thickness of at least 1.6 mm is frequently used in the production. The feasibility of semi-finished products with low wall thickness and / or high tensile strength has so far remained low, at least for structural parts for automobile seat structures, in particular for automobile seat rails.
したがって、本発明の課題は、半仕上げ製品の、成形加工を受けることが意図される領域での変形能力を改良すること、及び完全仕上げコンポーネントの弾性回復挙動を最小限にすることにある。 Accordingly, it is an object of the present invention to improve the deformability of a semi-finished product in the area intended to undergo molding and minimize the elastic recovery behavior of a fully finished component.
本方法によれば、本課題は請求項1に係る特徴によって解決される。本方法によって製造されるコンポーネントは、請求項8に係る特徴によって特定される。また、本方法を行う圧延成形装置は、請求項12に係る特徴によって特定される。改良及び有利な実施例が各従属項に記載される。
According to the method, this problem is solved by the features according to
このような方法において、本発明によれば、圧延成形処理のための温度調整がなされる板状半仕上げ製品が与えられる。温度調整は、局所的に、特に半仕上げ製品の成形領域において行われる。当該成形領域は、成形加工を受けることが意図される。温度調整は、加熱及び/又は冷却を含み、好ましくは半仕上げ製品の成形前又は当該成形中に行われる。本方法を使用して処理される外形又は構造コンポーネントは、温度調整がなされていないものよりも高い耐荷重性を有する。 In such a method, the present invention provides a plate-like semi-finished product that is temperature adjusted for the rolling process. The temperature adjustment is carried out locally, in particular in the molding area of semifinished products. The molding region is intended to undergo a molding process. The temperature adjustment includes heating and / or cooling and is preferably performed before or during the molding of the semi-finished product. The contour or structural component processed using this method has a higher load bearing than one that is not temperature conditioned.
製造される外形又はコンポーネントの形状に応じ、圧延成形処理は所定の成形シーケンスで行われる。この文脈において、用語「成形シーケンス」とは、当該成形領域が処理すなわち成形を受けるシーケンスをいう。成形シーケンスは、処理を受ける外形又は構造部品及びそのアールに依存する。すなわち、圧延成形によって製造される各外形が、圧延成形処理中の所定成形シーケンスも含む。圧延又は成形と温度調整との適時的つながりを達成するべく、複数の成形領域には、圧延成形処理の成形シーケンスで次々と温度調整が与えられる。このようにして、一方では当該処理に必要なエネルギー入力を低減することが可能となり、他方では、製造中に成形加工を受けることが意図される半仕上げ製品に及び完全仕上げコンポーネントに作用する負荷を低減することが可能となる。 Depending on the outer shape or the shape of the component to be manufactured, the rolling forming process is performed in a predetermined forming sequence. In this context, the term “molding sequence” refers to a sequence in which the molding region undergoes processing or molding. The molding sequence depends on the contour or structural part to be processed and its radius. That is, each outer shape manufactured by rolling forming also includes a predetermined forming sequence during the rolling forming process. In order to achieve a timely connection between rolling or forming and temperature adjustment, the plurality of forming regions are successively subjected to temperature adjustment in the forming sequence of the rolling forming process. In this way, it is possible on the one hand to reduce the energy input required for the process, and on the other hand, the loads acting on semifinished products and on fully finished components intended to undergo forming during production. It becomes possible to reduce.
この処理において、好ましくは局所加熱が、半仕上げ製品の細片形状にある複数の成形領域において行われる。当該細片形状にある複数の成形領域は、圧延成形方向に整列される。成形又は処理中に力を受けかつ変形される当該複数の成形領域が、温度調整、特に加熱される。 In this process, local heating is preferably performed in a plurality of forming regions in the form of strips of semi-finished product. The plurality of forming regions in the strip shape are aligned in the rolling forming direction. The plurality of molding regions that are subjected to force and deformation during molding or processing are temperature controlled, in particular heated.
本方法の実装又は構成によれば、有利には、誘導加熱が適用されるか又はレーザ照射によるエネルギー入力が行われる。本方法に関連する双方の実装により、成形加工を受けることが意図される半仕上げ製品を加熱するオプションが、成形領域の特定箇所にすなわち狙い撃ち的に得られる。好ましい実施例において、レーザ照射がファイバレーザによって行われる。 According to the implementation or configuration of the method, induction heating is advantageously applied or energy input by laser irradiation takes place. Both implementations associated with the method provide the option to heat the semi-finished product intended to undergo the molding process, ie at a specific point in the molding area. In the preferred embodiment, the laser irradiation is performed by a fiber laser.
半仕上げ製品を成形後に硬化することも、すなわち、例えば油浴等の冷却剤の使用によって急冷することもできる。この態様で製造されるコンポーネントは、特に予め局所加熱された成形領域又はアール領域において、依然高い強度すなわち改良された強度を含むことができる。この処理において、これらの局所加熱された複数の成形領域又はアール領域は、成形又は圧延成形の前、最中、又は後に加熱されたものであり得る。 The semi-finished product can be cured after molding, i.e. quenched by the use of a coolant such as an oil bath. Components manufactured in this manner can still include high or improved strength, particularly in pre-locally heated forming or rounded regions. In this process, these locally heated forming or rounded regions may have been heated before, during, or after forming or rolling.
さらに、この結果、通常使用される軟性材料から、特に所定の軟鋼からコンポーネント又は構造部品を製造するという、本方法のさらなる適用オプションが得られる。当該軟性材料は一般に経済的であり、当該軟鋼は、引き続いての急冷によって硬化される。さらに、局所的温度調整、特に局所加熱を、その後急冷又は硬化される圧延成形と組み合わせて行うことができる。このようにして、例えばマンガンボロン鋼の形成が容易な軟性材料の耐荷重性を改良することができる。したがって、これらの材料から製造される外形もまた、さらに最適化することができる。 Furthermore, this results in a further application option of the method of producing components or structural parts from commonly used soft materials, in particular from certain mild steels. The soft material is generally economical and the mild steel is hardened by subsequent quenching. Furthermore, local temperature adjustment, in particular local heating, can be performed in combination with rolling forming which is then quenched or hardened. In this way, for example, it is possible to improve the load resistance of a soft material in which manganese boron steel can be easily formed. Thus, the contours produced from these materials can also be further optimized.
アールとして構成される少なくとも一つの成形領域によって相互接続され、互いに対して角度をなす複数の板状セクションを有する自動車の座席構造物用コンポーネント、特に構造コンポーネントにおいて、本発明によれば、当該成形領域を、材料特性を変化させる温度調整処理を受けており、かつ、当該温度調整処理に起因する微細構造の変化を含むようにすることができる。すなわち、複数の成形領域は、当該材料構造の点で複数の板状セクションとは異なり及び温度調整を受けておらずかつ圧延成形による処理を受けている他のコンポーネントとも異なるが、他方で前記のコンポーネントと同等以上の強度を含む。 In a component for a vehicle seat structure, in particular a structural component, having a plurality of plate-like sections interconnected by at least one forming area configured as a round and angled with respect to each other, according to the invention, the forming area Is subjected to a temperature adjustment process for changing the material characteristics, and includes a change in the fine structure caused by the temperature adjustment process. That is, the plurality of forming regions are different from the plurality of plate-like sections in terms of the material structure and different from other components that are not subjected to temperature adjustment and are subjected to processing by rolling forming. Includes strength equal to or better than components.
特に、コンポーネントは、高強度鋼から又は高強度アルミニウムから製造される。これらの強度は、そうでなければ圧延成形法又は圧延成形処理で処理されるのが典型的なものの強度よりも高く、特に鋼製コンポーネントに対しては、特に1,000MPa以上又は1,200MPa以上である。本発明によって製造されるコンポーネントは、いずれの場合も、肉厚1.5mm、又は1.4mm若しくは1.3mm以下でさえあり得る。 In particular, the component is manufactured from high strength steel or from high strength aluminum. These strengths are higher than those that would otherwise be processed by a rolling process or rolling process, especially for steel components, especially at least 1,000 MPa or above 1,200 MPa. It is. In any case, the components produced according to the invention can be 1.5 mm thick, or even 1.4 mm or even 1.3 mm or less.
記載の本方法を使用して製造されるこのようなコンポーネント又は外形は主に、負荷支承構造コンポーネントとして与えられる。好ましい実施例において、コンポーネントは、座席を調整するべく前後に調整され得る車両座席レールである。 Such a component or profile produced using the described method is mainly provided as a load bearing structural component. In a preferred embodiment, the component is a vehicle seat rail that can be adjusted back and forth to adjust the seat.
本方法を行うのに適切な圧延成形装置において、本特許に係る課題は、成形加工を受けるべく意図される半仕上げ製品に温度調整を行う様々な手段が与えられることで解決される。特に、加熱装置、誘導加熱装置、及び/又はレーザ特にファイバレーザが与えられる。冷却を目的として、例えばペルチェ素子を使用することができる。この配列において各温度調整手段は、有利なことに、圧延成形装置の圧延ローラ組が交換可能である。その結果、様々な適用に対する最適配列を確保し、かつ、様々なコンポーネントを一の圧延成形装置で製造することができる。 In a rolling forming apparatus suitable for carrying out the method, the problem according to the patent is solved by providing various means for adjusting the temperature of a semi-finished product intended to undergo forming. In particular, heating devices, induction heating devices and / or lasers, in particular fiber lasers, are provided. For the purpose of cooling, for example, a Peltier element can be used. In this arrangement, each temperature adjusting means is advantageously exchangeable for the rolling roller set of the rolling forming device. As a result, an optimum arrangement for various applications can be ensured, and various components can be manufactured with a single rolling forming apparatus.
本発明において使用される圧延成形方法は、外形ロール成形として知られており、例えばドイツ工業規格DIN8586に記載されている。その内容は、上述を参照して本願の主題に組み込まれる。 The rolling forming method used in the present invention is known as external roll forming, and is described, for example, in German Industrial Standard DIN 8586. The contents of which are hereby incorporated by reference into the subject matter of the present application.
図面において、好ましい実施例を参照して本発明がさらに説明される。 In the drawings, the invention is further described with reference to preferred embodiments.
図1に示されるコンポーネント1は、圧延成形によって外形が画定され、及び典型的には製造される。このコンポーネント1は、板状半仕上げ製品からもたらされた、実質的に変わらない複数の板状セクション3を含む。板状セクション3は、ハッチングで示される成形領域4a、4b、4c、4dによってコンポーネント1のアール領域に相互接続される。成形領域4a、4b、4c、4dは、圧延成形処理中に成形される。特に高強度鋼、特にRm>800MPaを有する高強度鋼の成形において、これらの成形領域4a、4b、4c、4dは、成形可能性の点で、とりわけ急なアールの成形中に、大きな問題を抱える。
The
図2は、コンポーネント1の断面の基本展開2を示す。図1に当てはまるように、成形領域4a、4b、4c、4dは、ハッチングで示され、対応する線によって画定され、及びいずれも圧延成形の方向に延びる。圧延成形装置を通り抜けて動くとき又は圧延成形中、これらの成形領域4a、4b、4c、4dには温度調整がなされる。すなわち、加熱又は冷却がなされる。局所的加熱又は冷却によって、要求に応じた材料特性が調整される。したがって、コンポーネント1は、当該成形領域又はアール領域において変化を受けた微細構造を含む。
FIG. 2 shows a
Claims (9)
前記板状半仕上げ製品は、圧延成形処理のために温度調整がなされ、
温度調整は、局所的に成形加工を受けることが意図される前記板状半仕上げ製品の複数の成形領域(4a、4b、4c、4d)において行われ、
前記成形領域(4a、4b、4c、4d)は細片形状にされて圧延成形方向に整列される方法。 A method of rolling and forming an outer shape or a structural part for an automobile seat rail from a plate-like semifinished product of a metal material including a steel plate or aluminum,
The plate-shaped semi-finished product is temperature-adjusted for the rolling process,
The temperature adjustment is performed in a plurality of molding regions (4a, 4b, 4c, 4d) of the plate-like semi-finished product intended to be locally subjected to a molding process,
The forming region (4a, 4b, 4c, 4d) is formed into a strip shape and aligned in the rolling forming direction.
成形加工を受けることが意図される半仕上げ製品に温度調整を行う手段が設けられる圧延成形装置。 A roll forming apparatus for performing the method according to any one of claims 1 to 6,
A rolling forming apparatus provided with means for adjusting the temperature of a semi-finished product intended to undergo forming processing.
Applications Claiming Priority (3)
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DE102010050400 | 2010-11-03 | ||
DE102010050400.9 | 2010-11-03 | ||
PCT/EP2011/005553 WO2012059233A1 (en) | 2010-11-03 | 2011-11-03 | Method for the roll-forming of profiles and a structural part produced thereby |
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JP2013544190A JP2013544190A (en) | 2013-12-12 |
JP5883879B2 true JP5883879B2 (en) | 2016-03-15 |
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JP2013537042A Expired - Fee Related JP5883879B2 (en) | 2010-11-03 | 2011-11-03 | Rolling forming apparatus for performing the same method as the method for rolling forming an outer shape or a structural part for an automobile seat rail |
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US (1) | US20130316187A1 (en) |
EP (1) | EP2635388A1 (en) |
JP (1) | JP5883879B2 (en) |
KR (1) | KR20130112902A (en) |
CN (1) | CN103189153B (en) |
WO (1) | WO2012059233A1 (en) |
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JP6262959B2 (en) * | 2013-08-23 | 2018-01-17 | 川崎重工業株式会社 | Aluminum alloy component manufacturing method and aluminum alloy plate press forming apparatus |
DE102014215676B4 (en) | 2014-06-23 | 2022-12-29 | Keiper Seating Mechanisms Co., Ltd. | Process for manufacturing a component, in particular a profile rail |
SE540035C2 (en) * | 2016-05-03 | 2018-02-27 | Rerail Ab | Process for rolling molding sheet metal into profile beams and a device for carrying out such a method |
JP6706229B2 (en) * | 2017-08-22 | 2020-06-03 | シロキ工業株式会社 | Rail member manufacturing method |
EP3511085A1 (en) * | 2018-01-16 | 2019-07-17 | Outokumpu Oyj | Bend-formed load-bearing structure of a passenger car |
CN113631288B (en) * | 2019-04-10 | 2023-06-30 | 日本制铁株式会社 | Blank and member |
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JP4072117B2 (en) * | 2003-12-03 | 2008-04-09 | 新日本製鐵株式会社 | Steel plate press forming method |
CN2825162Y (en) * | 2005-08-04 | 2006-10-11 | 湖南工程学院 | Pulley rolling installation |
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DE102007043154B4 (en) * | 2007-09-11 | 2017-01-26 | Voestalpine Krems Gmbh | Method and device for hardening profiles |
EP2143504A1 (en) * | 2008-07-07 | 2010-01-13 | Siemens Aktiengesellschaft | Method for cooling a hot-rolled strip onto a hot-rolled strip coil, a device for cooling a hot-rolled strip coil, a control and/or regulating device and metal strip |
US20100050726A1 (en) * | 2008-08-29 | 2010-03-04 | The Boeing Company | Superplastically Continuous Roll Forming Titanium |
-
2011
- 2011-11-03 CN CN201180053092.4A patent/CN103189153B/en not_active Expired - Fee Related
- 2011-11-03 US US13/883,121 patent/US20130316187A1/en not_active Abandoned
- 2011-11-03 KR KR1020137013974A patent/KR20130112902A/en not_active Application Discontinuation
- 2011-11-03 WO PCT/EP2011/005553 patent/WO2012059233A1/en active Application Filing
- 2011-11-03 JP JP2013537042A patent/JP5883879B2/en not_active Expired - Fee Related
- 2011-11-03 EP EP11794399.3A patent/EP2635388A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN103189153A (en) | 2013-07-03 |
KR20130112902A (en) | 2013-10-14 |
WO2012059233A1 (en) | 2012-05-10 |
US20130316187A1 (en) | 2013-11-28 |
EP2635388A1 (en) | 2013-09-11 |
CN103189153B (en) | 2016-06-08 |
JP2013544190A (en) | 2013-12-12 |
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