Doors are a pretty niche product, with not many common-use components. I wonder if, for example, any fasteners, either more generic or special order, are insourced.
I can see other aircraft-specific assemblies following the trend, but to a limited extent. Such factories shuld be able to take advantage of supplying entire industry (A320 and 787, in this case), so assemblies would still be outsourced.
Even this type of integration could be harder in other cases. Insourcing, for example, electric motors or pneumatic actuators doesn't look as a good idea as those components are more or less generic. Integrating too much under the same roof - or even within same campus - is also problematic.
Throughout automation and continious process flow whenever possible are definitely a great idea.
I agree doors are a niche product and the article makes the point that this approach doesn't make sense for every product but the niche still has competition and the best way to stay ahead is to lower production cost especially in high labor cost regions such as France.
Production rate of A320 alone argues for high automation, and if the industry goes through a down cycle, they can just run the factory less than 24/7.
The article says "the input is base materials" and to a door manufacturer I presume that is sheet and tubular metals?
I agree one can go overboard with inboarding but it is interesting that SpaceX makes its own guidance computers and radios and Tesla now makes its own AI processor chips rather than buying from vendors such as Rockwell Collins or NVIDIA.
In aerospace applications it seems vendors find ways to claim "generic" actuators and motors aren't really generic and charge big markups.
In contrast, https://www.teslarati.com/tesla-model-3 ... ion-video/
talks about the Tesla Model 3 "Superbottle":
During a recent interview with Tesla owner-enthusiast Sean Mitchell, Detroit veteran Sandy Munro of Munro and Associates mentioned that among the Model 3’s unique components, its “Superbottle” is one of the most innovative. Combining two pumps, one heat exchanger, and one coolant valve in one cleverly-designed bottle, the Model 3’s cooling system is arguably the most unique in the auto industry.
The traditional automotive industry is all about suppliers and outsourcing the different components of a vehicle to different companies. This results in cars having redundant components. The Chevy Bolt, for example, has three cooling systems: one for its battery pack, one for its cabin, and one for its electronics. This is not the case with the Model 3, as the fondly-named Superbottle handles the entire cooling system of the whole vehicle — battery pack, cabin, and electronics included.
The Superbottle has garnered much recognition even among noted gearheads such as Jalopnik‘s David Tracy, who used to design automotive cooling systems himself. Munro, for his part, noted that the Superbottle actually gives several advantages for Tesla, such as increased modularity and packaging space, potential weight savings, reduced final assembly costs, and reduced final assembly time, to name a few. For Munro, the novel cooling system is the very definition of Tesla’s vertical integration.
Munro argues a lot of this is about traditional auto makers afraid to break traditional relationships between teams/specializations:
“The Superbottle is a great example of how the normal automotive companies don’t work together, and Tesla does. That Superbottle crosses many lines that you can’t cross here (in Detroit). If I’m in charge of engine cooling or battery cooling, I don’t want nothing to do with cooling the cabin. And yet, we’ve got the motor cooling, the battery cooling, and electronics, all going through one little bottle that’s got some clever little ball valves that open and close to make sure that everything’s getting heated or everything’s being cooled to where it needs to be. We all thought that was the best thing in the whole damn car,” Munro fondly commented.
Perhaps the "Factory 4.0" tag is being used to try to encourage specialists to be willing to change and surrender some turf for the common good.