In the Boeing 787 Dreamliner wing sill processing, a piece of aluminum alloy billet after 300 procedures metamorphosed into a precision component with an error of no more than 0.05 mm, behind the millions of dollars worth of special tool matrix co-operation. However, the traditional tool management model is becoming a constraint on the aviation manufacturing industry to upgrade the invisible shackles: an aviation OEM data show that due to tool selection errors resulting in batch...