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Improve Quality and Reliability
Lean companies
- Use robust manufacturing and test processes
- Maintain quality at all times using standard operations
- Maintain daily inspection of equipment to avoid manufacturing defects
- Train and certify operators to run multiple processes and operations
- Buy quality parts and sub-assemblies from suppliers in fulfillment
- Promote continuous improvement
Traditional companies
- Allow variability from shift to shift
- Accept unreliable, low quality parts from suppliers in fulfillment
- Rely on incoming inspection to screen and find defects
- Inspect quality into the product rather than building it in
Benefits of Lean
- Retains happy customers
- Lets customers get what they want
- Permits consistent fast throughput of quality products
- Eliminates customer returns
- Reduces warranty expenses
"GM spends about $3.5 billion a year paying dealers to fix things that break
on GM vehicles under warranty in North America, where the company's typical
warranty lasts three years. GM has made it a top priority for the entire company,
from designers to dealers, to reduce warranty repairs with improved design and
quality and early detection of problems. The goal is to eliminate some nine million
claims and to save $1.6 billion in costs by 2001. Detecting problems early also
is critical to avoiding costly recalls like the one of about a million trucks that
GM announced last month, in which it will foot the bill to fix a switch miswired
during manufacturing."
- GM Takes Tips From CDC To Debug Its Fleet of Cars, Wall Street Journal, April 8, 1999
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| "Firestone, a unit of Japan's Bridgestone Corp., recalled 6.5 million tires
on Aug. 9 due to complaints of tread separations and blowouts now blamed for at
least 101 U.S. highway deaths. Most of the tires were fitted as standard
equipment on Ford's popular Explorer. Ford will buy a substantial percentage of
tires for the new Explorers from French tire maker Michelin, which previously
made no Explorer tires. Ford's customer-choice program further distances it from
Firestone and could result in huge losses for its long-time and largest tire
supplier which makes every tire for the current Explorer. Making matters worse
for Firestone, Ford also continues to talk with Goodyear Tire & Rubber Co. about
supplying tires for the new Explorer."
- Ford Moves Away From Firestone Reuters, September 28, 2000
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