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汽车(特别是轿车)车身生产投入大、产量高;质量标准要求近乎苛刻;1％的车身制造缺陷都有可能给产品最终用户带来恶劣的影响,乃至降低整个企业的市场竞争力。因此,世界各大汽车公司都纷纷加快了上述三个方面问题的研究和应用,并取得了巨大的经济成效。特别是20世纪90年代初,由美国密西根大学吴贤铭先进制造技术中心倡导、美国政府支持、三大汽车公司(GM、Ford、Chrysler)实施的“2mm”工程,在短短三年内使美国主要品牌车身的制造偏差从1993年的4～5mm减少到1996年的2mm,迅速达到世界领先水平。而“2mm”工程所倡导的“数据驱动质量”、
Automobile (especially cars) body production investment, high yield; quality standards require almost harsh; 1% of the body defects are likely to end-product users have a bad influence, and even reduce the market competitiveness of the entire enterprise. Therefore, the world’s major automobile companies have accelerated the research and application of the above three aspects and achieved tremendous economic results. Especially in the early 1990s, advocated by the Wu Xianming Advanced Manufacturing Technology Center of the University of Michigan, the U.S. government supported the “2mm” project implemented by GM, Ford and Chrysler to make the U.S. major The manufacturing bias of the brand’s body was reduced from 4 to 5 mm in 1993 to 2 mm in 1996, rapidly reaching the world advanced level. The “2mm” project advocated by the “data-driven quality”