By George Nicholas Bullen
Glossy airplane production consists of drilling and countersinking millions to hundreds of thousands of holes. Doing this paintings through hand bills for sixty five% of the price of airframe meeting, eighty five% of the standard matters, and eighty% of the misplaced time because of injuries.
The concentration of this e-book is on automating the method of drilling and countersinking holes in the course of airframe production. for the reason that this is often the realm of maximum go back on funding for airframe manufacturers, the e-book offers a stepped method for comparing attainable parts for using automation and an in depth description of the method for selecting, buying, and transitioning the correct equipment for fulfillment. It additionally offers a imaginative and prescient for a ten- to 15-year destiny kingdom of airframe manufacture. Read more...
summary: glossy plane production includes drilling and countersinking thousands to thousands of holes. Doing this paintings via hand bills for sixty five% of the price of airframe meeting, eighty five% of the standard matters, and eighty% of the misplaced time because of injuries.
The concentration of this ebook is on automating the method of drilling and countersinking holes in the course of airframe production. for the reason that this can be the world of maximum go back on funding for airframe manufacturers, the ebook presents a stepped procedure for comparing attainable components for utilizing automation and an in depth description of the method for selecting, buying, and transitioning the precise equipment for achievement. It additionally presents a imaginative and prescient for a ten- to 15-year destiny country of airframe manufacture
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Extra resources for Automated/mechanized drilling and countersinking of airframes
As a result, the large complex fixtures are surrounded by work stands to enable mechanics to access the elevated airframe subassemblies and assemblies. 1 illustrates the size and complexity of a military assembly tool. Test fixtures and special test equipment are built for system, continuity, and leak checks as the subassemblies grow and mature. The progressively larger subassemblies are lifted out of their boxes to the mate tools by crane. A modern military airframe can require hundreds of crane moves to facilitate the assembly of the airframe.
8 Work area cluttered with the necessary paraphernalia to support the hand D/C operation. 5 Summary The motivation to reduce price is driven by the ever-pressing desire of customers to reduce price and increase performance. The airplane producers have been caught between the better-for-less dilemmas. Early in the 1990s, the government established and funded programs that promoted design-to-cost initiatives. These initiatives have been largely defeated due to the ever-increasing complexity of airplane production and the demand of the customer, both military and commercial, to improve performance.
And airplane sales are highly price sensitive. Assuming there is demand (price sensitivity), a reduction in price attributable to cost reduction (without performance penalty) would result in increased sales. Even if sales remained flat, reducing cost would increase the profitability of the airplane producer. In order to determine where cost can be reduced without a performance penalty, cost contributors have to be defined and quantified as to their contribution to the airplane’s price. 40 Airframe Manufacturing Cost Drivers Fig.