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Design for Manufacture
Lean companies
- Have manufacturing people as members of the product development team with an effective voice in manufacturability issues
- Provide mechanisms for design and manufacturing jointly to plan for modular assembly, cellular manufacture, mass customization, introduction of new technologies, quality and reliability, supplier requirements, etc.
Traditional companies
- Show the manufacturing people the product design too late for some of their suggestions to be implemented
- Decline to spend enough time with manufacturing to understand its issues
- Use workload as the reason designers cannot spend more time with manufacturing
- Resist using common components
Benefits of Lean
- Produces product designs that can be manufactured easily and meet targeted quality, reliability, cost, and schedule goals
- Reduces expensive late engineering change orders
- Facilitates smooth ramp up to full production
- Speeds the entire product development process by eliminating surprises and fumbles
| "The great genius of Taiichi Ohno and his Toyota colleagues in post-war
Japan was to see that Ford had discovered only the special case for lean
thinking - high production volume with zero product variety, infinite model
life, and completely stable demand."
- Becoming Lean: Inside Stories of U. S. Manufacturers, Jeffery K. Liker
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| "The PC uses fewer screws (four screws in the whole box vs. 15 in the
previous design), instead using snap-in, snap-out parts, which Dell claims
improves serviceability and decreases manufacturing times, lowering the
overall cost to build a PC. Dell can manufacture 40 percent more of these
small systems on the same production lines as standard-size OptiPlex computers."
- Dell redesigns its PC lines, ZDNet News September 21, 2000
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| "Dell says the Optiplex GX150 can also be more easily serviced. The PC has a
clamshell-like design that allows it to be opened like a book for servicing.
Inside the PC, Dell has implemented a color-coding scheme, which it says will
make servicing much easier. The company has color-coded everything, including
labeling all of the user serviceable items, such as memory, hard drives and
graphics cards, with green."
- Dell redesigns its PC lines, ZDNet News September 21, 2000
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