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A Top Electronic-Device Manufacturer, Taiwan

At the Motorola Quality Institute (MQI) in Taiwan, Motorola instructor Steven Lee trains teams of Motorola employees, customers, and supply chain partners on how to integrate Motorola's legacy Six Sigma program with lean initiatives and DFMA (Design for Manufacture and Assembly) software.

Real-life results speak for themselves. For example, this year a top electronic-device manufacturer and MQI participant completed 12 product redesign projects in four months, saving $6.8 million.

"The average product manufacturing lifecycle is very short, about three to six months, and Motorola's global development teams and customers launch hundreds of new products each year," says Lee. "We are always under pressure to improve, to retain quality with a current heightened emphasis on cost."

MQI's focus on speeding a high quality, yet inexpensive product to the consumer, relies greatly on Design for Manufacture and Assembly (DFMA) software from Boothroyd Dewhurst, Inc., Wakefield, RI. The software is based on Design for Assembly (DFA) and Design for Manufacturing (DFM). DFA lets engineers evaluate the functional purpose of each assembly component in a conceptual design, helping them to simplify the design and reduce parts. DFM identifies and calculates the cost drivers associated with manufacturing and finishing parts in alternative processes.

A clear goal of parts-count reduction goes a long way toward focusing a DFA project because parts-count reduction is the mechanism for eliminating labor content. While no design tool removes labor content from a product, reduced labor content is the result of parts-count reduction. That is, DFA takes parts out of the product thereby reducing labor content.

"Our primary mission is to provide learning solutions to internal and external customers to enhance overall business performance," says Lee. "Six Sigma can enhance product quality, cost, delivery, service, and customer satisfaction, and the DFMA program is key to optimal design and reducing manufacturing costs."

MQI courses engage design engineers, industrial engineers, and business managers in practical design projects. Metrics play a key role in these efforts, notes Lee.

"We encourage customers to build their annual business balance scorecards according to customer cost strategies and key performance Indexes that integrate Six Sigma and DFMA methodologies." These scorecards help quantify project goals and results.

His students find DFMA user friendly, and they're impressed by the significant reductions in parts-count and assembly time. Lee notes that at MQI "overall average parts-count reduction is 35% for new product design and 11% for existing product redesign. We find that introducing DFMA at the initial design stage generally gives the most cost benefits."

Lee says when the value of engineering tools such as DFMA is made clear to management and to Motorola customers, these tools become "institutionalized as part of a greater business strategy. They then return to their companies, taking with them lean, Six Sigma, and DFMA real-world experience."

Laptop Design at Head of the Class

This year, a top Asian electronic-device manufacturer (EDM) wanted to reduce the manufacturing cost of their laptop by at least 30% within 6 months. The company had used Six Sigma for several years but was "looking for a systematic methodology to improve overall performance," says Lee. He trained a team of the EDM's employees to reduce the parts count and assembly time of the laptop with DFMA.

Parts-count reduction as a means to reduce labor content is fast becoming a cost reduction strategy to offset rising labor costs in Asia. "Each year labor costs in China increase by 10%, driving either cost reduction or shifting labor to Vietnam or back to home countries," says Lee.

The EDM training class had more than 100 participants, including design engineering, manufacturing, and product management, with professional experience ranging from 2 to 20 years. Some were Six Sigma black belts and green belts. To stay on track, Lee had just one day to train his class in DFA software, and two days for project coaching.

Along with the Six Sigma statistical methods and lean principles, Lee taught the EDM team to integrate DFMA - for its ease of use in design iteration, benchmarking, and overall cost reduction. Cost information stored in the program reduces the time spent recalculating. "To improve manufacturing time, we simply consult the program instead of standing on a factory floor with a stopwatch and doing time studies, which have become obsolete," notes Lee.

The Motorola/EDM team reduced their laptop parts by 36% in 90 days, using the DFA Project Quick Win model. They were also trained in DFMA practices. In total they completed 12 projects, saving 30% on part count and assembly time for a PDA, 41.3% part count reduction on an LCD TV, and 57.5% reduced part count on a server. For the laptop, DFA identified fasteners and clamps for elimination, parts for consolidation, and improved ease and time of assembly.

Laptop Old Design New Design Difference
Parts 124 79 36.3
Assembly Time (secs) 870 708 36.3%

LCD TV Old Design New Design Difference
Parts 155 91 41.3
Assembly Time (secs) 749 474 36.7%

Server Old Design New Design Difference
Parts 146 62 57.5%
Assembly Time (secs) 977 549 43.8%

Quick Win Wins

Laptop design engineers brought their original design to the table, and in collaboration with Motorola instructors and its product design tools and project strategy, the laptop design was refined and improved dramatically, using a smooth and focused collaborative process. Lee notes that DFA is a "systematic and objective methodology, which clearly promotes the evolution of design iterations and overcomes any hypothetical resistance against innovation."

The laptop project is an effective example of why Motorola University and its network of global campuses exist. MU's Six Sigma, lean and DFMA project model, says Lee, through "sponsorship" by business unit heads, business scorecards, and presentations of final product design, engages business management in the product design process. Lee observes that in other organizations, engineering is separated from business management, while the Motorola approach bridges that divide and brings business leaders right to the CAD table.

"To realize maximum cost efficiency in the long term it is imperative to foster a shared perspective between management and engineering," Lee concludes.

 

Industry
Electronics, Manufacturing

Country
Taiwan

 

"This year, a top electronic-device manufacturer and MQI participant completed 12 product redesign projects in four months, saving $6.8 million."

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