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Technical Paper

LIN Bus and its Potential for Use in Distributed Multiplex Applications

2001-03-05
2001-01-0072
The increasing features and complexity of today's automotive architectures are becoming increasingly difficult to manage. Each new innovation typically requires additional mechanical actuators and associated electrical controllers. The sheer number of black boxes and wiring are being limited not by features or cost but by the inability to physically assemble them into a vehicle. A new architecture is required which will support the ability to add new features but also enable the Vehicle Assembly Plants to easily assemble and test each subsystem. One such architecture is a distributed multiplex arrangement that reduces the number of wires while enabling flexibility and expandability. Previous versions have had to deal with issues such as noise immunity at high switching currents. The LIN Bus with its low cost and rail-to-rail capability may be the key enabling technology to make the multiplexed architecture a reality.
Technical Paper

Automotive Miniaturization Trend: Challenges for Wiring Harness Manufacturing

2010-10-06
2010-36-0160
One of the most evident trends in automotive sector is miniaturization. It is related to considerable benefits due to the potential of mass reduction, cost reduction and efficiency improvement. It involves many different automobile components and most of them are facing challenges to achieve the targets defined by car makers and final consumers. Specifically for wiring harness, it seems to be many manufacturing and process challenges to be surpassed in order to fully perceive the benefits expected with miniaturization, internally and externally. So this article aims to present an overview of literature as well as reporting of experts on this issue mentioning some of the challenges that global automotive wiring harness manufacturers are facing. Subjects as assembly automation, terminal connection and small gauge cables are discussed in the article and also a general overview of how those problems are being addressed in order to meet customer requirements.
Technical Paper

Resistance Welding for Automotive Wiring Harness Connection - Small Gauge Cables

2012-10-02
2012-36-0153
Miniaturization is an important trend in many technology segments, once it can enable innovative applications generating new markets. This trend was begun in electronics industry after World War II and has spawned changes into automotive sector also. For Automotive Wiring Harness, miniaturization is clearly presented in most of the components, mainly because of its benefits like the potential of mass reduction, cost reduction and efficiency improvement. Furthermore the main voice of customer points to cable gauge reduction that represents a considerable challenge for connection manufacturing process due to quality control limitations presented by conventional crimp process for 0,35 [mm₂] cables and smaller. According to that, the scope of this article is to present, in details, a manufacturing process optimization for an alternative and more robust technology of joining copper stranded cables to tin brass terminals used on automotive wiring harness, Resistance Welding.
Technical Paper

Paradox of Miniaturization Trend Versus Hybrid Electrical Vehicle Requirements

2012-10-02
2012-36-0262
In recent years, a number of key influences are contributing to accelerate technological innovation in the automotive industrial sector. Concerns about renewable energy resource, fossil-fuels crises and higher gasoline prices, global warming awareness and environmental impacts, scarcity of minerals/metals and electronics demands rising are some of the major challenges for vehicle automakers and their suppliers. The interest in alternative fuel vehicles, especially hybrid-electrical vehicles (HEV) or renewable energy power concepts for road vehicles has become intensified and represents a significant area of research and development in order to meet nowadays global demands. However because of Hybrid Vehicles unique Power Supply System the electrical/electronic architecture (E/E) is sophisticated, requesting more robust sealing and a particular wiring harness components, such as connector, terminals and cables.
Technical Paper

Globalization of the Design for Manufacturability/Assembly Process within the Automotive Wiring Assembly Business

1999-03-01
1999-01-0052
Automotive wiring assembly design and manufacturing has evolved from a locally based business to a global business. It is common today to engineer the design of a wiring assembly in one region of the world, to manufacture it in a second region, and to assemble it into the vehicle in a third region. This creates a need for global collaboration, training and communications. Design for Manufacturability (DFM) is a tool that can aid in this, in developing common processes globally, and reducing the cost and design complexity of the product in the early design stages. To develop a global DFM process, an organization must develop and implement a strategy. This paper will review the approach that an automotive wiring assembly supplier adopted. It will enumerate the benefits of developing a global Design for Manufacturability process, selecting a champion, and using a twelve-step plan to integrate DFM into each region.
Technical Paper

Profitable Recycling of Automotive Wiring Harnesses

2000-03-06
2000-01-0736
Legal requirements, especially in the European Union, rising concern about our environment and economic reasons force us to look at End of Life Vehicles (ELV's) more critically. This paper describes some projects where recycling technologies have been developed showing clearly that recycling can be profitable. The projects demonstrate the recycling of Polyvinyl Chloride (PVC) insulation in automotive wiring, a separation technology for different plastic materials by melting point, the treatment of laminated materials like flexible printed circuits, some ideas of fastening systems, suited for disassembly and several basic rules for making recycling easier and profitable.
Technical Paper

Zero Resistance Technology (ZRT)

2005-11-22
2005-01-4109
Delphi's Zero Resistance Technology (ZRT) is a revolutionary new product/process that enables the reduction of mass and volume from a traditional wiring assembly. ZRT is defined as a minimal (zero) resistance change over time. The ZRT product is an electrical/electronic connection system which provides a viable solution for high density and limited space wiring applications. The ZRT process is a semi-automated wiring harness manufacturing system with flexibility to produce harnesses to the customer demand.
Technical Paper

Environmentally Friendly Car Wiring System

2002-03-04
2002-01-0595
Legal requirements and responsibility for the environment require improved recyclability of car components. This can be achieved by a reduction in the variety of materials used, which can be separated after use. This is being demonstrated for wiring harnesses using a new hook and loop based fastening system. Easier assembly and disassembly, elimination of fixation holes in the car body, and improved serviceability can lead to considerable cost reductions. Field experience on test cars will be available at a later date.
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