CN101563256B - 用于汽车应用中的结构性结合的电阻植入焊接法 - Google Patents

用于汽车应用中的结构性结合的电阻植入焊接法 Download PDF

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CN101563256B
CN101563256B CN2007800471099A CN200780047109A CN101563256B CN 101563256 B CN101563256 B CN 101563256B CN 2007800471099 A CN2007800471099 A CN 2007800471099A CN 200780047109 A CN200780047109 A CN 200780047109A CN 101563256 B CN101563256 B CN 101563256B
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CN101563256A (zh
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史蒂夫·格尔加奇
大卫·丹尼斯·鲁伊松
马丁·R·麦克劳德
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Magna International Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/344—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint being a woven or non-woven fabric or being a mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3468—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/30341—Particular design of joint configurations the joint involving an anchoring effect making use of additional elements, e.g. meshes non-integral with the parts to be joined, e.g. making use of extra elements
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    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
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    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
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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
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    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]

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  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

一种熔接部件，具有由聚合体材料制成的第一部分和第二部分。位于第一部分和第二部分之间的是导体，并且在所述第一部分和所述第二部分之间沿导体的表面区域形成有焊接线。该焊接线的强度等于或大于800磅/平方英寸。所形成的熔接部件可以是诸如尾板、踏板、上边梁、上翻式车门或前端托架的任意类型的汽车部件。

Description

用于汽车应用中的结构性结合的电阻植入焊接法
相关申请的交叉引用
本申请是于2006年12月22日提交的美国专利申请No.11/644,209的PCT国际专利申请。将上述专利申请的内容以参引的方式合并于此。
技术领域
本发明涉及用于汽车应用中的结构性焊接的电阻植入焊接法的应用。
背景技术
在制造汽车部件的过程中，经常需要将两个或多个塑料部件接合在一起以形成焊缝或接缝。随着塑料材料在汽车应用中的用途增多，对于将这种部件焊接在一起的更多方式存在更大的需求。一个具体的要求是，所形成的焊缝必须具有足够的焊接强度值。特别地，在诸如敞篷货运轻便卡车尾板的车辆尾板中，必须将部件设计成耐受大载荷。为了满足载荷要求，将复合尾板设计成一种与加强板结合的中空结构，该中空结构具有若干加强筋和凸缘支承件。对于由热塑复合材料形成的尾板，利用专门配制的粘合剂将尾板的各个加强板和支持筋熔合在一起，以具有高焊接强度。使用这种粘合剂因其固化焊缝所花费的时间而增加了制造时长。除此之外，该粘合剂可能是昂贵的，并增加了制造尾板的总成本。虽然其它粘合剂较为廉价，并具有更快的固化时间，但它们要求进行表面处理(例如，电晕处理或等离子体处理)，以增大焊接面的表面能量。这些表面处理是二次操作，且难于控制，并增加了零件成本。因此，对于在热塑部件间形成焊缝存在这样的需求，即通过减少形成焊缝所需要的时间来缩短制造时间，而且消除了昂贵的粘合剂。
发明内容
一种熔接部件具有由塑料材料制成的第一部分和第二部分。位于第一部分和第二部分之间的是导体，并且在所述第一部分和所述第二部分之间沿导体的表面区域形成有焊接线。该焊接线的强度等于或大于800磅/平方英寸。所形成的熔接部件可以是诸如尾板、踏板、上边梁、上翻式车门、前端托架、装饰性面板或安全气囊展开门的任意类型的汽车部件。
本发明进一步的适用范围将通过下文中提供的详细说明而变得明白。应该理解到，详细说明和具体示例在表明本发明的优选实施方式的同时，仅出于说明性的目的，且并不易于限制本发明的范围。
附图说明
通过详细说明和附图将更加充分地理解本发明，其中：
图1是示例性的电阻植入焊接机的立体图；
图2是正在该电阻植入焊接机中形成的熔接部件的近距离立体图；
图3是形成为车辆尾板的一半的熔接部件的立体图；
图4是正被熔凝至第二部件的第一部件的截面图；
图5是正被熔凝至第二部件的第一部件的平面侧视图。
具体实施方式
对于优选实施方式的下述说明本质上只不过是示例性的，并且绝不旨在限制本发明、其应用或用途。
现参照图1-2，描述利用电阻植入焊接法形成熔凝或焊接部件的方法。在电阻植入焊接机12中示出了熔接部件10。该电阻焊接机12具有能够相对于熔接部件10竖向移动的上压板14。电阻植入焊接机12还具有其上安置并形成熔接部件10的下压板16。当将要焊接熔接部件10时，上压板14将竖向移动，向下压靠在熔接部件10上，并施加压力。
图2示出了一幅近距离视图，其中，将上压板14向下压靠在熔接部件10上。熔接部件10具有第一部分18、第二部分20和放置在第一部分18与第二部分20之间的导体22。取决于本发明的具体用途，第一部分18和第二部分20可采用多种形状和形态。这将参照图4-5进行更为详细的讨论。
导体22与能量源24接触，该能量源24可以是为导体22供应能量的铜触点或导体。导体22可以是金属丝网或能够在施加电流时产生热量的某些其它类型的导电材料。此外，导体22可以是单线。当上压板14向下移动并压缩第一部分18和第二部分20时，能量源24将能量施加至导体22，这导致该导体发热。导体22的热量导致部分18和20开始熔化。施加的压力迫使熔化的部分18和20在导线的周围流动或流经金属丝网，将两种材料混合在一起。与上压板14施加至下压板16的压力相结合的导体22所产生的热量导致焊接线形成。
导体22将保留在焊接线处熔接部件10中。在施压和供能操作已发生预定时间段后，将通过冷却使第一部分18和第二部分20凝固，以形成焊接线。形成在第一部分18和第二部分20之间的焊接线将具有高焊接强度，其已经表现出等于或大于利用粘合剂或机械紧固件获得的那类焊接强度。此外，用于在第一部分18和第二部分20之间形成焊缝的制造时间比利用粘合剂形成类似的焊缝的制造时间短得多。
参照图3，示出了模制尾板的视图，其中，第一部分18是该模制尾板部分，第二部分20是加强熔接部件10的加强板。第一部分18具有从第一部分18延伸的尾板凸缘26。第二部分20或加强板越过一个或多个尾板凸缘26放置。导体(未示出)沿尾板凸缘26和第二部分20之间的接触区放置。焊接线沿导体22的表面区域的长度形成。放置加强板加固了熔接部件。例如，以参照本申请所述的方式模制的尾板可耐受2,200磅左右的载荷。但是，2,200磅只不过是示例性的数字，并且取决于规格，载荷可更大或更小。
现参照图4，示出了图3中所示的尾板的一部分的截面图。第一部分18是具有从表面向上延伸的尾板凸缘26的模制尾板部分。第二部分20电阻植入焊接在第一部分上。示出了上压板14，并且该上压板14在模制工艺的过程中施加压力。在该特定的应用中，在尾板凸缘的部分下方插入有刚性支承件28，以便有助于将第一部分18焊接至第二部分20，并使该焊接平滑。在焊接工艺完成后，移除刚性支承件28。在尾板凸缘26和第二部分20之间形成有焊接线30。虽然在上面说明使用刚性支承件28，但并不是在所有的应用中必须使用它们。可以在不使用刚性支承件28的情况下形成焊缝。
图5示出了本发明的替代实施方式，其中不存在尾板凸缘26；改为将U形的第二部分32焊接在第一部分18上，该第一部分18是模制尾板。该具体实施方式消除了对于使用刚性支承件28的需要。将上压板14改型，以围绕U形的第二部分32并与其配合，且在希望获得位于第一部分18和U形的第二部分32之间的焊接线34的适当位置处施压。
图4和5中公开的实施方式可用在除形成尾板之外的其它应用中；可以形成任何类型的结构塑料部件。例如，在图4和5中提出的两个应用中，第一部分18可以是模制上翻式车门，同时第二部分20或U形的第二部分32可以是用于模制上翻式车门的加强板或模制加强筋。另一应用包括作为踏板的上半部分的第一部分18，同时第二部分20或U形的第二部分32可以是踏板的下半部分。在另一应用中，第一部分18可以是上边梁的第一半，同时第二部分20或U形的第二部分32可以是上边梁的第二半。在本发明的再一个应用中，第一部分18可以是车前端用托架模块，而第二部分20或U形的第二部分32可以是电阻植入焊接的支承梁。上述本发明还可用于将安全气囊展开槽形成于仪表板盖板，或者用于将装饰性嵌花或外皮焊接至面板、踏板、上翻式车门或尾板，由此消除了对于使用紧固件和/或粘合剂的需要。
对于本发明的说明实际上只不过是示例性的，并且由此，意欲将不背离本发明的要点的变化包含在本发明的范围内。并不将这样的变化视为对于本发明的精神和范围的背离。

Claims (12)

1.一种熔接部件，包括：
由聚合体材料构成的尾板凸缘；
由聚合体材料构成的加强板；
导体，所述导体放置在所述尾板凸缘和所述加强板之间，其中所述尾板凸缘和所述加强板沿所述导体的表面区域熔合，以形成所述熔接部件；
形成模制尾板部分的第一部分，所述第一部分具有从所述第一部分延伸的一个或多个尾板凸缘；
形成加强板的第二部分，所述第二部分越过一个或多个尾板凸缘放置；
导体，所述导体沿所述一个或多个尾板凸缘和所述第二部分之间的接触区放置；和
焊接线，所述焊接线沿所述导体的表面区域形成，其中，所述熔接部件能够耐受等于或大于2,200磅的力。
2.如权利要求1所述的熔接部件，其中所述导体是能够传导能量的金属丝网，并且所述金属丝网嵌入在所述熔接部件的所述焊接线内。
3.一种用于汽车的熔接部件，包括：
用于汽车的熔接部件，所述熔接部件是从由踏板、上边梁、尾板、前端托架、上翻式车门、和熔合于仪表板盖板的安全气囊展开槽构成的组中选出的一种；
所述熔接部件的第一部分，所述第一部分具有从所述第一部分延伸的一个或多个凸缘；
所述熔接部件的第二部分，所述第二部分形成加强板，所述第二部分越过一个或多个凸缘放置；
导体，所述导体沿所述一个或多个凸缘和所述第二部分之间的接触区放置；和
焊接线，所述焊接线沿所述导体的表面区域形成，其中，所述熔接部件能够耐受等于或大于2,200磅的力。
4.如权利要求3所述的熔接部件，其中竖向壁在所述竖向壁的一端处从所述至少一个凸缘延伸，并且在所述竖向壁的第二端处设有水平壁，所述水平壁垂直于所述竖直壁延伸，其中，所述至少一个凸缘、所述竖向壁和所述水平壁加强所述熔接部件的承载能力。
5.如权利要求3所述的熔接部件，其中所述第一部分是踏板的上半部，并且所述第二部分是将要电阻植入焊接至所述踏板的所述上半部的踏板的下半部。
6.如权利要求3所述的熔接部件，其中所述第一部分是模制上翻式车门，并且所述第二部分是用于附连于所述模制上翻式车门的加强板或装饰性外皮。
7.如权利要求3所述的熔接部件，其中所述第一部分是上边梁的第一半，同时所述第二部分是电阻植入焊接至所述上边梁的所述第一半的上边梁的第二半。
8.如权利要求3所述的熔接部件，其中所述导体是能够传导能量的金属丝网。
9.一种用于汽车的熔接部件，包括：
用于汽车的熔接部件，所述熔接部件是从由踏板、上边梁、尾板、前端托架、上翻式车门、和熔合于仪表板盖板的安全气囊展开槽构成的组中选出的一种；
所述熔接部件的第一部分；
所述熔接部件的第二部分，所述第二部分呈U形并焊接至所述第一部分；
导体，所述导体放置在所述第一部分与第二部分之间；和
焊接线，所述焊接线沿所述导体的表面区域形成在所述第一部分与呈U形的所述第二部分之间，其中，所述导体是能够传导能量的金属丝网。
10.如权利要求9所述的熔接部件，其中所述第一部分是踏板的上半部，并且所述第二部分是将要电阻植入焊接至所述踏板的所述上半部的踏板的下半部。
11.如权利要求9所述的熔接部件，其中所述第一部分是模制上翻式车门，并且所述第二部分是用于附连于所述模制上翻式车门的加强板或装饰性外皮。
12.如权利要求9所述的熔接部件，其中所述第一部分是上边梁的第一半，同时所述第二部分是电阻植入焊接至所述上边梁的所述第一半的上边梁的第二半。
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