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[Due to the increasing size of the archives, each topic page now contains only the prior 365 days of content. Access to older stories is now solely through the Monthly Archive pages or the site search function.]

ENGEL to equip Open Hybrid LabFactory with v-duo 3600 for integrated composites research

April 24, 2015

Injection moulding machine manufacturer ENGEL is currently building an ENGEL v-duo 3600 machine for the Open Hybrid LabFactory (OHLF) public/private collaborative research partnership in Wolfsburg, Germany where the machine will support research into functionally integrated composite technologies. (BMW uses ENGEL duo injection moulding machines to manufacture car body shell components for the BMW i3 electric vehicle. Earlier post.)

With a clamping force of 36,000 kN, the ENGEL v-duo 3600 is the largest machine in its series. One machine in the same clamping force class is installed at BMW’s Landshut factory, where large structural components of fibre-reinforced plastic composites are manufactured using the HP-RTM process.

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“WaterBone” design wins grand prize in ARPA-E LITECAR Challenge

April 20, 2015

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The winning design: “WaterBone”. Click to enlarge.

Local Motors, in partnership with the Advanced Research Projects Agency-Energy (ARPA-E), announced the winner of the LIghtweighting Technologies Enabling Comprehensive Automotive Redesign (LITECAR) Challenge. The design challenge served to accelerate innovative ideas by using novel material technologies, structural designs, energy absorbing materials and unique methods of manufacturing to reduce vehicle curb weight while maintaining current US automotive safety standards. 254 conceptual designs were submitted. (Earlier post.)

The winning design, Aerodynamic Water Droplet with Strong Lightweight Bone Structure (“WaterBone”), was created by Andres Tovar, a mechanical engineering assistant professor at the School of Engineering and Technology at Indiana University-Purdue University Indianapolis, and his group of graduate students. The proposed design—which makes innovations in the structural layout, use of multi-materials, and the 3D printing manufacturing process—has the outer shape (envelope) of a water droplet with an embedded trabecular (graded porous) bone-like structure (spaceframe). The water droplet shape provides a low drag coefficient, while the spaceframe provides the mechanical strength and energy absorption capabilities (crashworthiness) required to protect the occupant in the event of a collision.

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Carbon Core of next-gen BMW 7 Series helps reduce sedan’s weight by up to 130 kg; remote control parking

April 18, 2015

BMW presented an initial selection of technology highlights for the next generation of the BMW 7 Series model range featuring developments in lightweight design, driving dynamics, comfort, intelligent connectivity and operation.

Due to the BMW EfficientLightweight strategy, the new BMW 7 Series line-up will weigh up to 130 kilograms (287 lbs) less than the outgoing generation of models. At its heart is a body structure with a Carbon Core based on the transfer of technology from the development of the BMW i models. The use of CFRP for structural elements of the passenger cell based on hybrid construction with ultra-high-strength steels—such as the B-pillars—increases both the overall strength and the torsional and bending stiffness of the passenger cell. To this end, the configuration of sheet metal elements can be adjusted as required, allowing for a significant reduction in the weight of the body.

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Ford investing $2.5B for new engine, transmission plants in Mexico

April 17, 2015

Ford is investing $2.5 billion in new engine and transmission plants in the Mexican states of Chihuahua and Guanajuato, respectively. The investment covers three projects: a new engine plant in Chihuahua; expansion of Ford’s I-4 and diesel engine lines in Chihuahua; and a new transmission plant—Ford’s first in Mexico—in Guanajuato.

The investment, which comes during the celebration of Ford’s 90th anniversary in the country, will bring 3,800 direct new jobs plus additional indirect jobs to Mexico. Ford officials announced the investment today during a ceremony with Mexican President Enrique Peña Nieto and other members of the country’s Federal Government.

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Toyota investing $1B in new TNGA plant in Mexico, realigning North American manufacturing; expansion in Guangzhou

April 15, 2015

Toyota is embarking on a multi-year plan to realign its manufacturing operations in North America in support of the Toyota New Global Architecture (TNGA) (earlier post), a comprehensive approach to achieving sustainable growth by making ever-better vehicles more efficiently. Toyota also announced an expansion of its joint venture plant, Guangzhou Toyota Motor Co., Ltd. (GTMC), in China (one of Toyota’s three assembly plants in China).

As part of this strategy, Toyota will invest approximately US$1 billion to construct its newest North American manufacturing facility in the state of Guanajuato in Central Mexico to produce the Corolla. The plant is the first designed from the ground up with TNGA production engineering technologies and will leverage the existing supply base and transportation infrastructure in the region. Toyota will also establish a plant preparation office in the state of Queretaro.

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Toyota progress report on TNGA; half of vehicles sold in 2020 to feature new platforms

March 27, 2015

In 2012, Toyota Motor introduced its new development framework, the Toyota New Global Architecture. (Earlier post.) Designed to balance product advances with cost reductions, TNGA supports the grouping of the development of new vehicles to promote strategic sharing of parts and powertrain components. One goal is the reduction of resources required for development by 20% or more.

Toyota recently provided an update and an outlook on its progress with TNGA, focusing on new vehicle development (powertrain components and vehicle platforms) as well as production systems.

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Daimler putting ~€1B into Stuttgart-Untertürkheim to make it the center of competence for efficient engines, hybrid powertrains and fuel cell system production

March 21, 2015

Daimler is investing about €1 billion (US$1.07 billion) in the Mercedes-Benz plant in Stuttgart-Untertürkheim and is transforming it into a center of competence for highly efficient engines, hybrid powertrains and the production of fuel cell systems.

From 1 June, Untertürkheim will assume responsibility for a facility in Nabern in the greater Stuttgart area where assembly of the fuel cell system will take place. The Nabern facility will remain the center of competence for the overall development of fuel cell drive systems under the direction of Daimler AG.

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Cadillac CT6 mixed-material body structure saves 90 kg over predominantly steel construction

March 15, 2015

Cadillac will use an advanced mixed-material approach for the lightweight body structure of the upcoming CT6 range-topping full-size sedan, which will debut 31 March at the New York International Auto Show. The structure is aluminum-intensive, but the new Cadillac also includes 13 different materials customized for each area of the car to advance driving dynamics, fuel economy and cabin quietness; the mixed material approach saved 90 kg (198 pounds) compared to a predominately steel construction.

Sixty-four percent of the CT6 body structure is aluminum, including all exterior body panels. Thirteen complex high-pressure die cast components make up the lower structure of the CT6 body, along with aluminum sheets and extrusions. The vehicle underbody uses steel close-out panels on the lower structure to create a bank vault-quiet cabin without the added weight of extensive sound-deadening material, often used to compensate for aluminum panels in the occupant compartment.

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Making the Mirai fuel cell vehicle

February 24, 2015

In Japan, Toyota Motor held a production ceremony at the Motomachi Plant, which first began production in 1959, to mark the production of the Mirai fuel cell vehicle, which the company launched in November 2014, and began selling in Japan in December 2014. (Earlier post.)

Motomachi has been home to some of Toyota’s most notable models, including the Publica, Corona, Cresta, Soarer, Supra, RAV4, and the Lexus LFA supercar. The former “LFA Works”—where craftspeople hand-built each of the 500 series limited Lexus supercars—is now the home of the Mirai. Toyota released a set of 5 short videos giving an overview of Mirai production, which delivers an estimated 3 units per day.

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New human-robot cooperation in Audi’s final assembly processes

February 16, 2015

At its main plant in Ingolstadt, Audi has for the first time deployed a robot that works “hand-in-hand” with humans—without a safety barrier and ideally adapted to the employees’ working cycles. It is the first human-robot cooperation at the Volkswagen Group to be applied in final assembly. The technology makes work easier for the assembly employees and makes ergonomic improvements, the company said.

Formerly, employees of the A4/A5/Q5 assembly lines at Ingolstadt had to bend over material boxes to take out the coolant expansion tanks. This might seem a simple task, but with frequent repetitions it can lead to back problems. Now, however, the task will be taken over by a specialized KUKA robot, known internally as “PART4you” (Produktions-Assistent reicht Teil). (Volkswagen AG is increasingly working with Germany-based robot manufacturer KUKA; in late 2012, the Group awarded KUKA a contract for 6,000 robots for various plants—KUKA’s largest single blanket order.)

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ESKAM finishing electric drive axle module for commercial vehicles, new production technologies; vehicle testing this year

February 02, 2015

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Electric drive axle module with two motors and integrated power electronics. Groschopp AG. Click to enlarge.

The ESKAM (Electric Scalable Axle Module, Elektrische SKalierbare AchsantriebsModule) consortium in Germany, sponsored by the German Federal Ministry of Education and Research (BMBF), is completing the development of an optimized electric drive axle module for commercial vehicles, consisting of two motors, transmissions and power electronics. All components fit neatly and compactly into a shared housing, which is fitted in the vehicle using a special frame construction also developed by the project engineers.

The individual modules developed by the various partners are complete, as are new manufacturing techniques developed by the partners. The consortium is now putting the individual parts together to make a demonstrator. After that, they want to fit the axle module into a real vehicle for testing by the end of 2015.

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DOE to award $55.8M for advanced vehicle technologies; $35M for fuel cell and hydrogen

January 22, 2015

US Energy Secretary Ernest Moniz announced a new Vehicle Technologie program-wide funding opportunity (DE-FOA-0001201) for $55.8 million. DOE also announced up to $35 million to advance fuel cell and hydrogen technologies, including enabling the early adoption of fuel cell applications, such as light duty fuel cell electric vehicles. This new funding opportunity announcement will be available in early February.

The Vehicle Technologies funding is targeted at a wide range of research, development, and demonstration projects that aim to reduce the price and improve the efficiency of plug-in electric, alternative fuel, and conventional vehicles. Topics addressed include: advanced batteries (including manufacturing processes) and electric drive R&D; Lightweight materials; Advanced combustion engine and enabling technologies R&D; and Fuels technologies (dedicated or dual-fuel natural gas engine technologies).

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Local Motors 3D printing a Strati at NAIAS; announces two micro-factories to open

January 13, 2015

Local Motors is 3D printing and assembling a Strati—the first 3D-printed car—live from the show floor at the North American International Auto Show (NAIAS). (Earlier post.)

The design was chosen in May 2014 from more than 200 submitted to Local Motors by the company’s online co-creation community after launching a call for entries. The winning design was submitted by Michele Anoè who was awarded a cash prize plus the opportunity to see his design brought to life. Less than a year after the original design was chosen, Local Motors will premiere a mid-model refresh, which began its inaugural print on Monday, 12 January on the show floor during NAIAS.

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University of Tennessee to head $250M advanced composites manufacturing institute; Ford, Honda and Volkswagen members

January 09, 2015

The Department of Energy and a consortium of 122 companies, nonprofits, and universities led by the University of Tennessee-Knoxville will invest more than $250 million—$70 million in federal funds and more than $180 million in non-federal funds—to launch a Manufacturing Innovation Institute for Advanced Composites—the fifth institute to be awarded of the eight national institute competitions launched earlier (earlier post).

The new Institute for Advanced Composites Manufacturing Innovation (IACMI), announced today by President Obama, will focus on advanced fiber-reinforced polymer composites that combine strong fibers with tough plastics to yield materials that are lighter and stronger than steel. While advanced composites are used in selective industries such as aircraft, satellites and cars, these materials remain expensive, require large amounts of energy to manufacture and are difficult to recycle. IACMI is dedicated to overcoming these barriers by developing low-cost, high-production, energy-efficient manufacturing and recycling processes for composites applications.

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Audi boosting investment over next 5 years by 9% to €24B; 70% to new models and technology

December 27, 2014

From 2015 through 2019, Audi plans to invest €24 billion (US$29 billion)—€2 billion (US$2.4 billion), or 9% more, more than in the previous planning period. 70 percent of the investment will flow into the development of new models and technologies. Audi aims to meet stringent CO2 limits worldwide with a new generation of extremely economical combustion engines and alternative efficiency technologies as well as new features in the areas of connectivity and driver assistance.

Audi also plans to create additional production capacities worldwide in the next five years through large-scale investment. More than half of the planned investment will take place at the German sites in Ingolstadt and Neckarsulm.

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DOE to award up to $2M to 3 projects for hydrogen and fuel cell supply chain and manufacturing analysis

December 24, 2014

The US Department of Energy (DOE) has selected three projects to receive up to $2 million in new funding for analysis of the hydrogen and fuel cells domestic supply chain and manufacturing competitiveness. Funded in part by the Clean Energy Manufacturing Initiative, this funding opportunity supports the Department’s broader effort to boost US competitiveness in the manufacturing sector.

The projects selected will support activities that facilitate the development and expansion of the domestic supply chain of components and systems necessary for the manufacturing and scale-up of hydrogen and fuel cell systems in the United States. Awardees will also conduct competitive analysis of global hydrogen and fuel cell manufacturing aimed at quantifying trade patterns and identifying key drivers of US competitiveness.

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Alcoa unveils major advance in aluminum manufacturing technology; new Micromill targeting future automotive aluminum products

December 06, 2014

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Alcoa’s Micromill has a much smaller footprint than conventional direct casting technology, and produces automotive aluminum alloys with 40% greater formability and 30% greater strength. Click to enlarge.

Alcoa has developed new manufacturing technology—the Micromill—that will produce what the company says is the most advanced aluminum sheet on the market. The Micromill will enable the next-generation of automotive aluminum products, and equip Alcoa to capture growing demand from automakers for lighter-weight, yet durable and formable materials.

The Alcoa-patented Micromill process significantly changes the microstructure of the metal, allowing the production of an aluminum alloy for automotive applications that has 40% greater formability and 30% greater strength than the incumbent aluminum used today while meeting stringent automotive surface quality requirements. The Alcoa Micromill technology and the differentiated metal it will produce are covered by more than 130 patents around the world.

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New Unipiston clutch piston technology in series production; enables better fuel economy

November 06, 2014

Federal-Mogul Powertrain’s new high-modulus injection-molded Unipiston clutch pistons are now in series production at the company’s facility in Chivasso, Italy. The technology was a 2013 Automotive News PACE Award Winner in the process category.

Unipiston is a one-piece, rubber-to-metal bonded piston that hydraulically engages clutches to activate the gearshift. The compact one-piece design reduces the number of leak paths while improving reliability and simplifying assembly, and allows transmission designers more flexibility, including increased clutch apply pressures, higher rotational clutch speeds, and larger diameter clutches. This flexibility enables transmissions with additional clutches to be packaged in a smaller space, while providing improved fuel economy, reduced emissions and enhanced vehicle performance.

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Mercedes-Benz wins MATERIALICA awards for diesel passenger car steel pistons and CFRP struts

October 25, 2014

Mercedes-Benz received two MATERIALICA Design and Technology Awards at the MATERIALICA 2014 trade fair for materials applications, surface technology and product engineering in Munich. The first was for the new steel pistons for diesel engines (earlier post), the second for high-strength carbon-fiber reinforced plastic (CFRP) struts.

The MATERIALICA Award 2014 comprised five categories: Material; Surface & Technology; Product; CO2 Efficiency; and Student. The MATERIALICA Design + Technology Award focuses on product and technological developments in all sectors which implement a successful bundling of competencies.

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New KIT process could triple manufacturing speed of electrode foils for Li-ion batteries

October 23, 2014

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Intermittent coating with precise edges: The process developed by KIT allows for the coating of electrode foils at new record speed. (Photo: M. Schmitt/KIT) Click to enlarge.

Scientists at the Karlsruhe Institute of Technology (KIT) have developed a new manufacturing process for the batch-wise coating of Li-ion battery electrode foils that they say can boost the conventional processing rate by about a factor of three to 100 meters per minute. The team headed by Professor Wilhelm Schabel and Dr. Philip Scharfer of the Thin Film Technology (TFT) group of the KIT Institute of Thermal Process Engineering developed a flexible slot die process that enables production of any pattern with high precision and at high speeds.

So far, a rate of about 25-35 meters per minute has been the industrial state-of-the-art. In its just-released “Roadmap for Battery Production”, the German Engineering Association (VDMA) is targeting reaching a coating speed of 70-100 meters per minute by 2030. (In a recent techno-economic analysis of Li-ion battery manufacturing, a CMU/MIT team used 10 meters per minute as the assumed coating processing rate. Earlier post.)

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CMU/MIT study finds large-scale battery manufacturing will do little to reduce unit costs past a 200-300 MWh annual production level

October 22, 2014

A new techno-economic analysis by researchers at Carnegie Mellon University (CMU) and MIT has found that economies of scale for manufacturing current Li-ion batteries for light-duty EV applications (in this case, prismatic pouch NMC333-G batteries and packs) are reached quickly at around 200-300 MWh annual production. Increased volume beyond that does little to reduce unit costs, except potentially indirectly through factors such as experience, learning, and innovation, they determined.

That’s comparable to the amount of batteries produced for the Nissan Leaf or the Chevy Volt last year,” said CMU’s Dr. Jeremy Michalek, the corresponding author of a paper on the research published in the Journal of Power Sources. “Past this point, higher volume alone won’t do much to cut cost. Battery cost is the single largest economic barrier for mainstream adoption of electric vehicles, and large factories alone aren’t likely to solve the battery cost problem.

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Mercedes-Benz realigning global production organization for passenger cars; organizing by product architecture

September 10, 2014

Mercedes-Benz is realigning its global passenger cars manufacturing activities and is strengthening its German passenger cars locations with investments worth billions of euros. “We want to continue to grow and will significantly increase our production capacities in the coming years. At the same time we want to permanently and sustainably strengthen our competitiveness with a high-performance organization,” said Markus Schäfer, Member of the Divisional Board of Mercedes-Benz Cars, Production and Supply Chain Management, during a media event at the Mercedes-Benz Sindelfingen plant.

This year alone, Mercedes-Benz is managing 18 vehicle ramp-ups at eight locations worldwide, among them the start of production of the new C-Class sedan on four continents. Through 2020, Mercedes-Benz will introduce and additional 12 models which do not have a predecessor.

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Renault and Bolloré form a partnership in electric vehicles; assembly, car-sharing and 3-seat Bluecar

September 09, 2014

Following the letter of intent signed in September 2013 (earlier post), French groups Renault and Bolloré are joining forces to promote electric vehicles through a set of three agreements involving assembly, a car-sharing JV, and new vehicle development. In order to reduce significantly the environmental impact of cars, the partners noted, the development of electric vehicles and car-sharing is not an option—it is a necessary transformation.

The overall environmental impact of an electric vehicle is virtually half that of an equivalent internal combustion engine (ICE) vehicle, Renault noted, citing its comparative study of Fluence ICE and electric vehicles. (Earlier post.) The three agreements include:

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DOE seeking information on clean energy manufacturing technologies

September 01, 2014

The US Department of Energy’s (DOE) Advanced Manufacturing Office (AMO) has issued a request for information (DE-FOA-0001158) on mid- Technology Readiness Level (TRL) research and development (R&D) needs, market challenges, supply chain challenges and shared facility needs in addressing advanced manufacturing development challenges impacting clean energy manufacturing. Submissions are due by 3 October.

Within the manufacturing sector, energy-intensive manufacturing industries account for nearly 75% of all the energy used (more than 20% of national energy use) and offer one of the largest opportunities for potential energy reductions. These industries produce and process basic materials and chemicals that go into many end-use consumer and industrial products. Energy intense industries include primary metals (e.g., steel, aluminum, metal-casting), chemicals/petrochemicals, oil and gas refining, bio-manufacturing (e.g., pulp and paper), and nonmetallic minerals (e.g., glass, cement).

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Frost & Sullivan sees 29% growth in dimensional metrology market in automotive by 2018 to more than $1.2B; automation, weight reduction and platforms

August 07, 2014

Rapid automation of automotive manufacturing plants, a focus on weight reduction, and vehicle platform strategies are key factors that will drive the demand for dimensional metrology solutions in the automotive industry, according to new analysis from Frost & Sullivan.

In a new report, Frost & Sullivan finds that the overall dimensional metrology market in the automotive industry earned revenue of $949.2 million in 2013 and forecasts this will grow 29% to approximately $1,225.1 million in 2018 (CAGR of 5.2%). While Frost & Sullivan expects the coordinate measuring machine (CMM) segment to account for 67.8% of the global dimensional metrology market in the automotive industry by 2018, it also expects that inline metrology (automated measurements fully integrated into a production line) will become the most desired solution for automotive applications, with advanced, fully-automated inline metrology systems powering the next-generation dimensional metrology solutions.

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UK study finds low carbon policy has bolstered UK automotive sector, but trucks neglected and biofuels stalled

July 17, 2014

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Value of low carbon investments by year and cumulative. Click to enlarge.

A major new report published at the Low Carbon Vehicle Partnership’s Annual Conference shows the UK automotive sector has been revitalized by consistently applied policy centered on cutting carbon.

Carried out for LowCVP by E4tech and the Centre for Automotive Industry Research at Cardiff Business School, the study was conducted between March and June 2014. The broad industry survey, supplemented by in-depth interviews with senior executives showed that a consistent and sustained policy approach can produce both green results and growth. The link between consistently applied policy and a win-win in terms of investment and emissions performance was validated by the survey involving more than 120 senior industry and stakeholder respondents.

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Volkswagen to produce new CrossBlue-based midsize SUV in Chattanooga; $900M investment

July 14, 2014

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The new mid-size SUV is based on the CrossBlue concept. Click to enlarge.

The Board of Directors of Volkswagen Group of America has decided to award the production of its new midsize SUV to the Chattanooga plant in Tennessee. The Group will be investing a total of approximately US$900 million (€643 million) in the production of the newly developed, seven-passenger SUV, creating 2,000 additional jobs in the US. About US$600 million (€432 million) will be invested in Tennessee.

The midsize SUV, which is based on the MQB-based CrossBlue plug-in hybrid concept vehicle, was developed especially for the North American market. The CrossBlue made its global debut at the 2013 North American International Auto Show in Detroit. (Earlier post.)

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Researchers demonstrate use of 3D printing to produce and operate light-weight, low-cost electrolyzers

July 05, 2014

A team at the University of Glasgow has demonstrated the production and operation of a PEM electrolyzer constructed from silver-coated 3D-printed components fabricated from polypropylene. The use of 3D printing allows construction of light-weight, low-cost electrolyzers and the rapid prototyping of flow field design.

In a paper accepted by the RSC journal Energy & Environmental Science, the researchers report data showing that performance is excellent for a first-generation device in terms of overall efficiency, internal resistances and current-voltage response. This development opens the door to the fabrication of light-weight and inexpensive electrolyzers as well as related electrochemical devices such as flow batteries and fuel cells, they suggested.

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Renault-Nissan Alliance posts record €2.9B in synergies in 2013 ahead of launch of first common module family vehicles; targeting €4.3B in 2016

July 02, 2014

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The Common Module Family represents a new approach to engineering for the Renault/Nissan Alliance. Click to enlarge.

The Renault-Nissan Alliance posted record synergies of €2.87 billion (US$3.9B) in 2013, up from €2.69 billion (US$3.7 billion) in the previous year. Purchasing, powertrain and vehicle engineering remained the biggest contributors as the Alliance geared up for the launch of its first Common Module Family (CMF) vehicles. (Earlier post.)

Purchasing, which is jointly managed by Renault-Nissan Purchasing Organization (RNPO), generated €1.036 billion (US$1.4 billion) in synergies. Vehicle engineering, which relates to common platforms and components, accounted for €714 million (US$975 million) . The co-development and exchange of powertrains accounted for €525 million (US$717 million.

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Pilot at BMW Munich plant evaluating use in vehicle assembly of custom orthotic devices produced by 3D printing

A pilot project in BMW’s Munich vehicle assembly plan is exploring the benefits of a new and innovative ergonomic tool—a flexible finger cot, which protects workers against excess strains on the thumb joints while carrying out certain assembly activities. The project is part of a dissertation in cooperation with the Department of Ergonomics at the Technical University of Munich.

Each of the flexible assembly aids is a unique piece, customized to the match the form and size of a worker’s hand. The BMW Group makes these orthotic devices in-house, using additive production procedures—i.e., “3D printing”.

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LLNL/MIT team creates ultralight, ultrastiff metamaterials; possible applications for automotive and aerospace

June 20, 2014

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The new materials designed with additive manufacturing techniques exhibit high stiffness and low density, occupying a previously unpopulated area (upper left) of the Ashby material selection chart for Young’s modulus (stiffness) vs. density. The octet truss structure recently fabricated by Livermore researchers is a stretch-dominated lattice. Source: LLNL Click to enlarge.

Researchers at Lawrence Livermore National Laboratory and Massachusetts Institute of Technology (MIT) have developed materials with the same weight and density as aerogel (“frozen smoke”) but with 10,000 times more stiffness using additive micro-manufacturing processes. The research team’s findings are published in an article in the journal Science.

The micro-architected metamaterials maintain a nearly constant stiffness per unit mass density, even at ultralow density. This performance derives from a network of nearly isotropic microscale unit cells with high structural connectivity and nanoscale features, the structural members of which are designed to carry loads in tension or compression, the researchers said. Materials with these properties could someday be used to develop parts and components for aircraft, automobiles and space vehicles.

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New robotic friction stir welding method for mixed materials; potential application for battery integration

June 11, 2014

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New friction stir welding tool also functions as a temperature sensor for improved quality. Click to enlarge.

Researchers at University West in Trollhättan have addressed two drawbacks to the robotic friction stir welding (FSW) joining process for mixed materials—path accuracy and temperature—with the development of a deflection model and integral temperature controller.

Car manufacturers are increasingly looking to a hybrid or mixed materials design, in which a combination of different materials such as steel and aluminium are joined, for weight reductions in their vehicles. With classic welding methods, joining of dissimilar materials has not been possible. With friction stir welding (FSW), on the other hand, high quality dissimilar joints can be obtained. (Earlier post.) The use of industrial robots also allows FSW of materials along complex joint lines.

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Ducker: automotive aluminum content to hit explosive growth from 2015 to 2025; 50 years of uninterrupted growth “guaranteed”

June 10, 2014

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NA aluminum sheet demand for auto body and closure parts. Click to enlarge.

By 2025, more than 75% of all new pickup trucks produced in North America will be aluminum-bodied, according to a survey of automakers conducted by global consulting and research firm Ducker Worldwide and commissioned by The Aluminum Association’s Aluminum Transportation Group (ATG). The study surveyed all major automakers and forecasts that Ford, General Motors and Fiat Chrysler will become the biggest users of aluminum sheet in the next decade.

It also forecasts that the number of vehicles with complete aluminum body structures will reach 18% of North American production, from less than 1% today. Vehicle segments revealed as emerging aluminum content leaders are pickup trucks, sport-utility vehicles (SUVs) and both mid-sized and full-size sedans.

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New Ford Transit debuts with new two-wet monocoat paint technology; improved durability and sustainability

May 27, 2014

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New two-wet monocoat paint process. Click to enlarge.

Ford began production of the North American Transit at Kansas City Assembly Plant on 30 April, and vans will be available in US and Canada this summer. Transit vehicles built in Kansas City are the first to use a new two-wet monocoat paint process developed by Ford and its paint suppliers. The technology results in more durable paint, uses less energy and water, and reduces carbon dioxide and particulate emissions compared with conventional paint processes.

The new paint was subjected to testing simulating typical conditions the vehicle will see over 10 year—e.g., resistance to chipping and scratching, pollutants and sun exposure. Data from preliminary advanced weathering testing indicates that paint applied with the new two-wet technology will retain 90% of its gloss at four years in service compared to 1% gloss retention for paint applied using a conventional monocoat process.

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GM’s Brownstown Battery Assembly expands; building new battery system for 2015 Chevrolet Spark EV

May 14, 2014

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General Motors Brownstown Battery Assembly Plant worker Tina Oaks attaches wiring harnesses on a Spark EV battery pack. Click to enlarge.

General Motors will bring all its electric vehicle battery pack building capabilities in-house with production of battery systems for the 2015 Chevrolet Spark EV at its expanded battery assembly plant in Brownstown, Mich.

A newly designed battery system features an overall storage capacity of 19 kWh and uses 192 lithium ion cells. The cells are produced at LG Chem’s plant in Holland, Mich. The battery system weight of 474 lbs (215 kg)—86 pounds (39 kg) lighter than the system in the 2014 Spark EV. The Spark EV battery is built on a dedicated production line at Brownstown, which also manufactures complete battery packs for the Chevrolet Volt, Opel Ampera and Cadillac ELR.

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