WO2014068215A1 - Procédé de fabrication d'un plancher arrière de véhicule automobile et plancher arrière réalisé par un tel procédé - Google Patents
Procédé de fabrication d'un plancher arrière de véhicule automobile et plancher arrière réalisé par un tel procédé Download PDFInfo
- Publication number
- WO2014068215A1 WO2014068215A1 PCT/FR2013/052501 FR2013052501W WO2014068215A1 WO 2014068215 A1 WO2014068215 A1 WO 2014068215A1 FR 2013052501 W FR2013052501 W FR 2013052501W WO 2014068215 A1 WO2014068215 A1 WO 2014068215A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- floor
- version
- motor vehicle
- manufacturing
- tool
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/087—Luggage compartments
Definitions
- the invention relates to a method of manufacturing a rear floor of a motor vehicle.
- the invention more particularly relates to a method of manufacturing a rear floor of a motor vehicle, made from a sheet metal flank with predetermined dimensions according to the version of the rear floor considered, the method comprising different successive operations, each operation. being associated with at least one determined tool.
- the invention also relates to a rear floor obtained by such a manufacturing method.
- Motor vehicles of the same model are generally available in several versions or ranges, namely the "classic” vehicle sedan type four or five doors, but also the type of vehicle "break", the vehicle type “sport coupe” , the “sport” version, etc.
- the automaker modifies the external structure of the vehicle, but using as many components as possible for all versions, with a view to reducing manufacturing costs.
- the rear floor of a motor vehicle is an essential component of the structure of the rolling base of the vehicle, which rear floor can integrate a spare wheel tray. It is therefore part of the elements that can remain common to different versions of the same vehicle, to optimize cost reduction.
- it is necessary to provide a manufacturing method specific to each version of the floor to take into account all the specificities inherent to each version and to each type of vehicle to achieve.
- the same range of a motor vehicle may comprise a first version 1a of a rear floor, corresponding in particular to a floor of a first vehicle configuration.
- a first version 1a of a rear floor corresponding in particular to a floor of a first vehicle configuration.
- Figure 1a five-door sedan type
- Figure 1b a second version 1b of a rear floor
- Figure 1b four-door sedan type
- Figure 1c a third version 1 c of a rear floor, corresponding in particular to a floor of a third vehicle configuration, for example of minivan type
- the three versions 1 a, 1 b and 1 c of the floors have in particular three different lengths, the length L1 of the version 1 is in particular less than the length L2 and the length L3 of the other two versions, the lengths L2 and L3 can be for example, identical.
- These differences require vehicle manufacturers to make different rear floors for different types of vehicles. These floors are generally made of pressed sheet steel, it is necessary to provide different stamping dies for the realization of different floors. This requires the use of many stamping machines and many tools, which represents a very heavy investment. The resulting manufacturing and handling costs are also very high.
- the object of the invention is to remedy all of the aforementioned drawbacks and relates to a method of manufacturing a rear floor of a motor vehicle that allows the realization of various configurations of motor vehicles, while was economical, simple to implement and reducing the costs of use and maintenance to a minimum.
- the object of the invention is characterized, more particularly, by the fact that, being intended for the realization of several versions of rear floors each corresponding to a different configuration of a motor vehicle, the method comprises at least one identical operation, whatever the version of the floor to be produced, which operation is performed using at least one common tool for all versions of the rear floors.
- Such a method thus has the main advantage of being able to use at least one tool for the production of different types of rear floors.
- the method may comprise two common operations for the three versions of rear floors.
- the method may include a common operation for two versions of rear floors. - Being intended for the realization of three different configurations of a motor vehicle, the method may comprise at least the following successive steps:
- the method may comprise a third operation, only for a first version of a rear floor, corresponding to a first configuration of a motor vehicle, made using at least a third tool specific to the manufacture of the first version of the rear floor.
- the method may comprise a third operation, only for a second version of a rear floor, corresponding to a second configuration of a motor vehicle, made using at least a fourth tool specific to the manufacture of the second version of the rear floor.
- the method may comprise a fourth operation, common to the first and second configurations of a motor vehicle, made using at least a fifth tool, identical for the manufacture of two versions of corresponding rear floors.
- the method may comprise a fifth operation, only for a third version of a rear floor, corresponding to a third configuration of a motor vehicle, made using at least a sixth tool specific to the manufacture of the third version of the rear floor.
- the invention also relates to the realization of a rear floor of a motor vehicle that can be reproduced at the simplest and fastest, with the maximum of common parts, for different configurations of motor vehicles.
- This object of the invention is characterized more particularly in that it comprises at least one identical portion for all motor vehicle configurations and at least one specific portion, corresponding to each motor vehicle configuration.
- FIGS. 1 c each represent a particular example of a rear floor of a motor vehicle, produced by a manufacturing method according to the prior art.
- Figures 2a to 2c each show a particular example of a rear floor of a motor vehicle, made by a manufacturing method according to the invention.
- FIG. 3 schematically illustrates a partial perspective view of the rear of the structure of a motor vehicle, on which the three floors according to Figures 2a to 2c are shown in superposition.
- Figures 4a to 4c each show schematically a rear floor according to the invention, with specific areas and common areas, made by a method of manufacturing a rear floor according to the invention.
- FIGS. 5a to 5e show the various successive steps of a first embodiment of a manufacturing method according to the invention, of a first version of a rear floor corresponding to a first configuration of a motor vehicle.
- Figures 6a to 6e show the different successive steps of a second embodiment of a manufacturing method according to the invention, a second version of a rear floor corresponding to a second configuration of a motor vehicle.
- Figures 7a to 7d show the different successive steps of a third embodiment of a manufacturing method according to the invention, a third version of a rear floor corresponding to a third configuration of a motor vehicle.
- the manufacturing method according to the invention is intended for producing a rear floor for several different configurations of a motor vehicle (FIG. 3), a rear floor corresponding to a configuration, with least one operation, or step, common for all versions of the vehicle, so in particular to save press tools. More particularly, the manufacturing method according to the invention makes it possible, starting from a sheet-metal flank with predetermined dimensions, to be able to choose between several different configurations of a motor vehicle and to be able to make several different floors with a maximum of identical tools and stamping operations common to all different versions.
- the manufacturing method according to the invention is intended for the production of a first floor 10a, intended for a first configuration of a motor vehicle, for example five-door sedan type (Figure 2a), of a second floor 10b, for a second configuration of a motor vehicle, for example of the four-door sedan type ( Figure 2b), or a third floor 10c, for a third configuration of a motor vehicle, for example of the type break ( Figure 2c).
- a first floor 10a intended for a first configuration of a motor vehicle, for example five-door sedan type (Figure 2a), of a second floor 10b, for a second configuration of a motor vehicle, for example of the four-door sedan type (Figure 2b), or a third floor 10c, for a third configuration of a motor vehicle, for example of the type break (Figure 2c).
- the three floors 10a, 10b, 10c shown in superposition in FIG. 3 each comprise a common part, respectively 1 1a, 1 1b, 1 1c, that is to say identical whatever the version of the floor 1 0a, 10b, 10c, and at least one, more particularly, several specific parts, respectively 12a, 12b, 12c, each floor 10a, 10b, 10c.
- the fact that the floors 10a, 10b, 10c comprise at least one common part 1 1a, 1 1b, 1 1c makes it easy to switch from the production of a first type of floor 10c (Figure 4a) to a second type of floor 10b ( Figure 4b), by a simple additional operation.
- a first type of floor 10c Figure 4a
- a second type of floor 10b Figure 4b
- an operation of trimming, or cutting, of the part 13 delimited by first dashed lines T1 in FIG. 4a, makes it possible to proceed to the realization of a second floor version, more particularly the floor 10b, as shown in Figure 4b, where the dashed lines T1 (now shown in solid lines in Figure 4b) now delimit the edge of the floor 10b.
- T2 thus makes it possible to proceed to the production of a third floor version, more particularly of the floor 10a, as represented in FIG. 4c, where the dashed lines T2 (now shown in solid lines in FIG. 4c) now delimit the edge of the floor 10a.
- FIGS. 5a to 5e the various steps of a first embodiment of a floor manufacturing method 10a corresponding to a first configuration of a vehicle are shown.
- FIGS. 6a to 6e the various steps of a second embodiment of a floor manufacturing method 10b corresponding to a second configuration of a vehicle are shown.
- Figures 7a to 7d the various steps of a third embodiment of a floor manufacturing method 10c corresponding to a third configuration of a vehicle are shown.
- the first step of the manufacturing method according to the invention comprises the cutting of a sheet metal flange 15 with predetermined dimensions according to the floor 10 to be produced, namely according to the desired vehicle configuration.
- the sheet flank 15a is for the realization of the floor 10a of a first configuration of a vehicle.
- the sheet flank 15a is of substantially trapezoidal shape, with a first length 11 (long side) of the trapezium of the order of 1340 mm, a second length 12 (short side) of the trapezoid of the order of 1230mm and a width 13 of the trapezoid of the order of 940mm.
- such a sheet flank 15a with such dimensions is particularly intended for the production of a floor 10a for a conventional sedan-type vehicle.
- the sheet flank 15b is for the realization of the floor 10b of a second configuration of a vehicle.
- the sheet flank 15b is of substantially trapezoidal shape, with a first length 14 (long side) of the trapezium of the order of 1360mm, a second length 15 (short side) of the trapezoid of the order of 1230mm and a width 16 of the trapezoid of the order of 1 1 10mm.
- such a sheet flank 15b with such dimensions is intended in particular for the production of a floor 10b for a four-door sedan-type sedan vehicle, that is to say of which the dimensions of the boot are slightly larger than for the previous vehicle considered.
- the sheet flank 15c is intended for producing the floor 10c of a third configuration of a vehicle.
- the sheet flank 15c is of substantially trapezoidal shape, with a first length 17 (long side) of the trapezium of the order of 1360mm, a second length 18 (short side) of the trapezoid of the order of 1230mm and a width 19 of the trapezoid of the order of 1 1 10mm.
- such a sheet flank 15c with such dimensions is particularly intended for the production of a floor 10c for a vehicle of the break type, that is to say the dimensions of the boot of which are substantially identical to the dimensions from the floor of the previous vehicle.
- the manufacturing method according to the invention then comprises a first stamping operation OP1, which is identical whatever the version of the floor considered and the configuration of the corresponding vehicle, that is to say -desired performed with at least one tool common to all three versions, whatever the starting sheet flank ( Figures 5a, 6a, 7a), and regardless of the version of the floor to be manufactured.
- This operation OP1 with the use of a single tool for the three versions, thus allows the realization here of three different versions of a vehicle, which thus makes it possible to save two tools and what thus generates gains in terms of process preparation, namely press machines, management of workflows, etc.
- this first stamping operation OP1 notably makes it possible to form the common parts
- the next step of the manufacturing method according to the invention comprises a second stamping operation OP2, plus particularly the OP2 operation advantageously comprises a plurality of different steps, including trimming (cutting the peripheral edges of the workpiece), punching (making common holes) and / or striking (making complementary small shapes common to the different versions) ).
- the second operation OP2 stamping is also identical regardless of the version of the floor and the configuration of the vehicle, that is to say done with the same tool common to all three versions, regardless of the flank of sheet metal ( Figures 5a, 6a, 7a), and regardless of the version of the floor to be manufactured.
- this second operation OP2 makes it possible, in particular, to finish the common parts 11a, 11b, 11c, begun during the previous step.
- This OP2 operation makes it possible again to save two tools, because this operation is performed by a single tool, regardless of the configuration of the vehicle to achieve.
- the following step is a third operation OP3, more particularly a shaping-lifting operation (the lifting consisting in straightening the docking edges of the part to put them in the final position and the complementary trimming operations being adapted to the specific need of each version).
- This operation is performed using of a specific tool for this configuration of the vehicle and therefore for the floor 10a. This operation allows more specifically to begin to form the specific parts 12a of the floor 10a.
- the following step is also a third operation OP3, more particularly a shaping-lifting operation (the lifting consisting of straightening the docking edges of the part to put them in the final position and the complementary trimming operations being adapted to the specific need of each version).
- This operation is carried out using a specific tool for this configuration of the vehicle and therefore for the floor 10b. This operation allows more specifically to begin to form the specific parts 12b of the floor 10b.
- the next step of the manufacturing method according to the invention comprises a fourth operation OP4, identical for the first two vehicle configurations, that is to say either for producing the floor 10a or for the realization of the floor 10b.
- the fourth operation identical for the first two vehicle configurations, that is to say either for producing the floor 10a or for the realization of the floor 10b.
- OP4 includes, for example, the steps of tapping - punching - punching (the tying being the reverse operation of the tilt according to the working direction of the tool and the striking consisting in making the small supplementary forms specific to this version).
- this operation therefore allows the realization of two different versions of a vehicle, using the same tool regardless of the version, which allows to save a tool and what generates there further gains in terms of process preparation, namely press machines, part flow management, etc.
- this fourth operation OP4 allows in particular the finishing of the specific parts 12a and 12b started in the respective previous steps ( Figures 5d and 6d) for the manufacture of the floors 10a or 10b.
- this operation thus represents the final manufacturing step, so that the floor 10a shown in FIG. 5e and the floor 10b shown in FIG. 6e are therefore the finished floors as they will be assembled on the structure of the base. associated vehicle (with the latest finishes and tunings ready).
- the following step corresponds to the last production step for the manufacturing method according to the invention for producing the floor 10c, corresponding to the third configuration of the vehicle (which therefore follows the operation shown in FIG. in Figure 7c).
- the manufacturing method according to the invention thus comprises a fifth operation OP5 stamping, for example composed of different stages of tying - lifting - punching - strikes. This operation is performed using a specific tool for this configuration of the vehicle and therefore for the floor 10c. This operation allows more specifically to achieve the specific parts 12c of the floor 10c.
- this fifth operation OP5 thus represents the final stage of manufacture, so that the floor 10c shown in FIG. 7d is therefore the finished floor 10c as it will be assembled on the structure of the rolling base of the vehicle associated with the latest finishes and tunings ready).
- the above description of the three possible independent variants of the manufacturing method according to the invention makes it possible to illustrate the fact that, for these three configurations, a saving of at least three tools has been made. More specifically, six tools are used to independently achieve the three versions, instead of nine tools if the common steps had not been completed.
- the same range of stamping with operations common to all versions and allows significant gains, firstly in terms of management tools and presses and, on the other hand, in terms of costs.
- the invention is not limited to the various embodiments described above.
- the shape and the dimensions of the side panels required for the different variants of the manufacturing method according to the invention are non-limiting and depend in particular on the size and the type of floor to be produced.
- the shape and dimensions of the floors 10a, 10b and 10c are non-limiting and depend in particular on the various configurations considered motor vehicles.
- the number and type of operations of the manufacturing method according to the invention may be different, as long as the method comprises at least one operation using an identical tool for all versions, so as to save a maximum of tools and avoid their multiplication .
- the method of realization according to the invention can be intended for the realization of other versions of floors.
- the different versions of the floor 10 as described above can be adapted with engines adapted to vehicles of the liquefied petroleum gas type, more commonly known as LPG.
- the housing of the spare wheel, or spare wheel box can also be used to implement the gas tank, specific adaptations then being made in the floor, by adding new specific operations, with the same common tool, possibly including retractable parts, or according to a different operating setting.
- the production method according to the invention can then achieve no less than six different floors, which corresponds to six different configurations of the same motor vehicle and thanks to the same stamping operations and the same tools used.
- the invention applies more particularly to the manufacture of a rear floor for a motor vehicle that can, by the design of the vehicle and the manufacturing cost considered, have a maximum of common parts depending on the type of vehicle to be manufactured.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Body Structure For Vehicles (AREA)
- General Factory Administration (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13792053.4A EP2911932B1 (fr) | 2012-10-29 | 2013-10-21 | Procédé de fabrication d'un plancher arrière de véhicule automobile et plancher arrière réalisé par un tel procédé |
RU2015120321A RU2631356C2 (ru) | 2012-10-29 | 2013-10-21 | Способ изготовления заднего пола автотранспортного средства и задний пол, выполненный указанным способом |
BR112015009512-7A BR112015009512B1 (pt) | 2012-10-29 | 2013-10-21 | Processo de fabricação de um plso traseiro de um veículo automotivo, e, plso traseiro de um veículo automotivo |
CN201380056494.9A CN104755359B (zh) | 2012-10-29 | 2013-10-21 | 用于制造机动车辆后部地板的方法以及使用此方法生产的后部地板 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1260299 | 2012-10-29 | ||
FR1260299A FR2997373A1 (fr) | 2012-10-29 | 2012-10-29 | Procede de fabrication d'un plancher arriere de vehicule automobile et plancher arriere realise par un tel procede |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014068215A1 true WO2014068215A1 (fr) | 2014-05-08 |
Family
ID=47666278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2013/052501 WO2014068215A1 (fr) | 2012-10-29 | 2013-10-21 | Procédé de fabrication d'un plancher arrière de véhicule automobile et plancher arrière réalisé par un tel procédé |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2911932B1 (fr) |
CN (1) | CN104755359B (fr) |
BR (1) | BR112015009512B1 (fr) |
FR (1) | FR2997373A1 (fr) |
RU (1) | RU2631356C2 (fr) |
WO (1) | WO2014068215A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1612127A2 (fr) * | 2004-07-03 | 2006-01-04 | Bayerische Motoren Werke Aktiengesellschaft | Véhicule automobile avec un coffre |
EP1911662A1 (fr) * | 2000-03-24 | 2008-04-16 | Adam Opel GmbH | Fond de caisse d'un véhicule et système de plate-forme |
DE102008055738A1 (de) * | 2008-11-04 | 2010-05-06 | Daimler Ag | Modulsystem zum Herstellen von Karosserien für Kraftwagen |
EP2441653A1 (fr) * | 2010-10-13 | 2012-04-18 | Daimler AG | Dessous de caisse pour une multitude de versions de construction d'une carrosserie d'un véhicule de tourisme, notamment dotée d'un agrégat d'entraînement de capot |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4194142B2 (ja) * | 1998-10-07 | 2008-12-10 | 富士重工業株式会社 | 車体フロア構造及び車体フロア構造の製造方法 |
JP4019422B2 (ja) * | 2003-08-20 | 2007-12-12 | マツダ株式会社 | 自動車のフロアパネル構造 |
JP4407713B2 (ja) * | 2007-03-30 | 2010-02-03 | 日産自動車株式会社 | 車体構造 |
JP5417878B2 (ja) * | 2008-05-09 | 2014-02-19 | 日産自動車株式会社 | 自動車車体の後部構造 |
CA2778879C (fr) * | 2009-11-06 | 2017-11-07 | Honda Motor Co., Ltd. | Ensemble chassis de vehicule, systeme et procede associes |
FR2962964B1 (fr) * | 2010-07-23 | 2014-03-21 | Renault Sa | Chassis avec plancher arriere rehausse et procede d'assemblage. |
-
2012
- 2012-10-29 FR FR1260299A patent/FR2997373A1/fr active Pending
-
2013
- 2013-10-21 WO PCT/FR2013/052501 patent/WO2014068215A1/fr active Application Filing
- 2013-10-21 CN CN201380056494.9A patent/CN104755359B/zh not_active Expired - Fee Related
- 2013-10-21 RU RU2015120321A patent/RU2631356C2/ru active
- 2013-10-21 BR BR112015009512-7A patent/BR112015009512B1/pt not_active IP Right Cessation
- 2013-10-21 EP EP13792053.4A patent/EP2911932B1/fr not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1911662A1 (fr) * | 2000-03-24 | 2008-04-16 | Adam Opel GmbH | Fond de caisse d'un véhicule et système de plate-forme |
EP1612127A2 (fr) * | 2004-07-03 | 2006-01-04 | Bayerische Motoren Werke Aktiengesellschaft | Véhicule automobile avec un coffre |
DE102008055738A1 (de) * | 2008-11-04 | 2010-05-06 | Daimler Ag | Modulsystem zum Herstellen von Karosserien für Kraftwagen |
EP2441653A1 (fr) * | 2010-10-13 | 2012-04-18 | Daimler AG | Dessous de caisse pour une multitude de versions de construction d'une carrosserie d'un véhicule de tourisme, notamment dotée d'un agrégat d'entraînement de capot |
Also Published As
Publication number | Publication date |
---|---|
FR2997373A1 (fr) | 2014-05-02 |
RU2015120321A (ru) | 2016-12-20 |
CN104755359B (zh) | 2017-04-05 |
BR112015009512B1 (pt) | 2020-12-15 |
RU2631356C2 (ru) | 2017-09-21 |
CN104755359A (zh) | 2015-07-01 |
EP2911932A1 (fr) | 2015-09-02 |
EP2911932B1 (fr) | 2016-07-13 |
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